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PV Elite® 2019

Project Data Page:


PV Elite® 2019

Table of Contents

Cover Page 1
Title Page 2
Warnings and Errors: 3
Input Echo: 4
XY Coordinate Calculations: 14
Internal Pressure Calculations: 15
External Pressure Calculations: 22
Element and Detail Weights: 28
Nozzle Flange MAWP: 30
Wind Load Calculation: 31
Earthquake Load Calculation: 33
Center of Gravity Calculation: 34
Horizontal Vessel Analysis (Ope.) 35
Nozzle Summary: 46
Nozzle Calcs.: N1 48
Nozzle Calcs.: N2 54
Nozzle Calcs.: N18 60
Nozzle Calcs.: N3 66
Nozzle Calcs.: MH1 72
Nozzle Calcs.: N6 77
Nozzle Calcs.: N5 83
Nozzle Calcs.: N4 86
Nozzle Calcs.: N11 92
Nozzle Calcs.: N12 95
Nozzle Calcs.: N13 101
Nozzle Calcs.: N8 104
Nozzle Calcs.: N9 107
Nozzle Calcs.: N10 110
Nozzle Calcs.: N7 113
Nozzle Calcs.: MH2 117
Nozzle Schedule: 122
MDMT Summary: 124
API-579 Calcs: Thinning 126
Vessel Design Summary: 131
Cover Page PV Elite® 2019

DESIGN CALCULATION

In Accordance with ASME Section VIII Division 1

ASME Code Version : 2017

Analysis Performed by : SPLM Licensed User

Job File : E:\PV\FFS-579.Pvdb

Date of Analysis : Aug 29,2023 10:40am

PV Elite 2019 SP1, March 2019


Title Page PV Elite® 2019

Note:
PV Elite performs all calculations internally in Imperial Units
to remain compliant with the ASME Code and any built in assumptions
in the ASME Code formulas. The finalized results are reflected to show
the user's set of selected units.
® SPLM Licensed User
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FileName : FFS-579 Page 3 of 132
Warnings and Errors: Step: 0 10:40am Aug 29,2023

Class From To : Basic Element Checks.


==========================================================================

Class From To: Check of Additional Element Data


==========================================================================

There were no geometry errors or warnings.

PV Elite is a trademark of Intergraph CADWorx & Analysis Solutions, Inc. 2019


® SPLM Licensed User
PV Elite 2019
PV Elite 2019 SP1 Licensee:
FileName : FFS-579 Page 4 of 132
Input Echo: Step: 1 10:40am Aug 29,2023

PV Elite Vessel Analysis Program: Input Data

Design Internal Pressure (for Hydrotest) 15 kgf/cm²


Design Internal Temperature 60.0 °C
Type of Hydrotest not Specified
Hydrotest Position Horizontal
Projection of Nozzle from Vessel Top 0 mm
Projection of Nozzle from Vessel Bottom 0 mm
Minimum Design Metal Temperature -8.0 °C
Type of Construction Welded
Special Service None
Degree of Radiography RT-1
Use Higher Longitudinal Stresses (Flag) Y
Select t for Internal Pressure (Flag) N
Select t for External Pressure (Flag) N
Select t for Axial Stress (Flag) N
Select Location for Stiff. Rings (Flag) N
Consider Vortex Shedding N
Perform a Corroded Hydrotest N

Load Case 1 NP+EW+WI+FW+BW


Load Case 2 NP+EW+EE+FS+BS
Load Case 3 NP+OW+WI+FW+BW
Load Case 4 NP+OW+EQ+FS+BS
Load Case 5 NP+HW+HI
Load Case 6 NP+HW+HE
Load Case 7 IP+OW+WI+FW+BW
Load Case 8 IP+OW+EQ+FS+BS
Load Case 9 EP+OW+WI+FW+BW
Load Case 10 EP+OW+EQ+FS+BS
Load Case 11 HP+HW+HI
Load Case 12 HP+HW+HE
Load Case 13 IP+WE+EW
Load Case 14 IP+WF+CW
Load Case 15 IP+VO+OW
Load Case 16 IP+VE+EW
Load Case 17 NP+VO+OW
Load Case 18 FS+BS+IP+OW
Load Case 19 FS+BS+EP+OW

Wind Design Code ASCE-7 93


Basic Wind Speed [V] 112.65 km/hr
Surface Roughness Category C: Open Terrain
Importance Factor 1.0
Type of Surface Moderately Smooth
Base Elevation 0 cm
Percent Wind for Hydrotest 33.0
Using User defined Wind Press. Vs Elev. N
Damping Factor (Beta) for Wind (Ope) 0.0100
Damping Factor (Beta) for Wind (Empty) 0.0000
Damping Factor (Beta) for Wind (Filled) 0.0000

Seismic Design Code UBC 94


UBC Seismic Zone (1=1,2=2a,3=2b,4=3,5=4) 0.000
UBC Importance Factor 1.000
UBC Soil Type S1
UBC Horizontal Force Factor 3.000
UBC Percent Seismic for Hydrotest 0.000

Design Pressure + Static Head Y


Consider MAP New and Cold in Noz. Design N
Consider External Loads for Nozzle Des. Y
Use ASME VIII-1 Appendix 1-9 N
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Material Database Year Current w/Addenda or Code Year

Configuration Directives:

Do not use Nozzle MDMT Interpretation VIII-1 01-37 No


Use Table G instead of exact equation for "A" Yes
Shell Head Joints are Tapered Yes
Compute "K" in corroded condition Yes
Use Code Case 2286 No
Use the MAWP to compute the MDMT Yes
For thickness ratios <= 0.35, MDMT will be -155F (-104C) Yes
For PWHT & P1 Materials the MDMT can be < -55F (-48C) No

Using Metric Material Databases, ASME II D No


Calculate B31.3 type stress for Nozzles with Loads Yes
Reduce the MDMT due to lower membrane stress Yes
Consider Longitudinal Stress in MDMT calcs. (Div. 1) No

Complete Listing of Vessel Elements and Details:

Element From Node 10


Element To Node 20
Element Type Elliptical
Description HEAD 1
Distance "FROM" to "TO" 20 cm
Inside Diameter 3658 mm
Element Thickness 26.69 mm
Internal Corrosion Allowance 0 mm
Nominal Thickness 0 mm
External Corrosion Allowance 0 mm
Design Internal Pressure 15 kgf/cm²
Design Temperature Internal Pressure 60 °C
Design External Pressure 1.0299 kgf/cm²
Design Temperature External Pressure 33 °C
Effective Diameter Multiplier 1.2
Material Name SA-516 70 [Impact Tested]
Allowable Stress, Ambient 1406.1 kgf/cm²
Allowable Stress, Operating 1406.1 kgf/cm²
Allowable Stress, Hydrotest 1828 kgf/cm²
Material Density 0.00775 kg/cm³
P Number Thickness 29.997 mm
Yield Stress, Operating 2542.3 kgf/cm²
UCS-66 Chart Curve Designation Impact Tested
External Pressure Chart Name CS-2
UNS Number K02700
Product Form Plate
Efficiency, Longitudinal Seam 1.0
Efficiency, Circumferential Seam 1.0
Elliptical Head Factor 1.5
Weld is pre-Heated No

Element From Node 20


Element To Node 30
Element Type Cylinder
Description SHELL 1
Distance "FROM" to "TO" 186.3 cm
Inside Diameter 3658 mm
Element Thickness 24.6 mm
Internal Corrosion Allowance 0 mm
Nominal Thickness 0 mm
External Corrosion Allowance 0 mm
Design Internal Pressure 15 kgf/cm²
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Design Temperature Internal Pressure 60 °C


Design External Pressure 1.0299 kgf/cm²
Design Temperature External Pressure 33 °C
Effective Diameter Multiplier 1.2
Material Name SA-516 70 [Impact Tested]
Efficiency, Longitudinal Seam 1.0
Efficiency, Circumferential Seam 1.0
Weld is pre-Heated No

Element From Node 20


Detail Type Saddle
Detail ID Lft Sdl
Dist. from "FROM" Node / Offset dist 86.3 cm
Width of Saddle 300 mm
Height of Saddle at Bottom 2429 mm
Saddle Contact Angle 135.0
Height of Composite Ring Stiffener 0 mm
Width of Wear Plate 500 mm
Thickness of Wear Plate 24 mm
Contact Angle, Wear Plate (degrees) 162.0
Friction coefficient 0.0
Moment Factor 3.0
Dimension E at base (optional) 2000 mm
Circumferential Eff. over Saddle 1.0
Circumferential Eff. at Midspan 1.0
Tangent to Tangent dist. (optional) 0 cm

Element From Node 20


Detail Type Nozzle
Detail ID N1
Dist. from "FROM" Node / Offset dist 30 cm
Nozzle Diameter 4 in.
Nozzle Schedule 40
Nozzle Class 150
Layout Angle 90.0
Blind Flange (Y/N) N
Weight of Nozzle ( Used if > 0 ) 0 kgf
Grade of Attached Flange GR 1.1
Nozzle Matl SA-106 B

Element From Node 20


Detail Type Nozzle
Detail ID N2
Dist. from "FROM" Node / Offset dist 100 cm
Nozzle Diameter 6 in.
Nozzle Schedule 40
Nozzle Class 150
Layout Angle 90.0
Blind Flange (Y/N) N
Weight of Nozzle ( Used if > 0 ) 0 kgf
Grade of Attached Flange GR 1.1
Nozzle Matl SA-106 B

Element From Node 20


Detail Type Nozzle
Detail ID N18
Dist. from "FROM" Node / Offset dist 20 cm
Nozzle Diameter 6 in.
Nozzle Schedule 40
Nozzle Class 150
Layout Angle 270.0
Blind Flange (Y/N) N
Weight of Nozzle ( Used if > 0 ) 0 kgf
Grade of Attached Flange GR 1.1
Nozzle Matl SA-106 B
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Element From Node 30


Element To Node 40
Element Type Cylinder
Description SHELL 2
Distance "FROM" to "TO" 186.3 cm
Inside Diameter 3658 mm
Element Thickness 24.78 mm
Internal Corrosion Allowance 0 mm
Nominal Thickness 0 mm
External Corrosion Allowance 0 mm
Design Internal Pressure 15 kgf/cm²
Design Temperature Internal Pressure 60 °C
Design External Pressure 1.0299 kgf/cm²
Design Temperature External Pressure 33 °C
Effective Diameter Multiplier 1.2
Material Name SA-516 70 [Impact Tested]
Efficiency, Longitudinal Seam 1.0
Efficiency, Circumferential Seam 1.0
Weld is pre-Heated No

Element From Node 30


Detail Type Nozzle
Detail ID N3
Dist. from "FROM" Node / Offset dist 20 cm
Nozzle Diameter 6 in.
Nozzle Schedule 40
Nozzle Class 150
Layout Angle 90.0
Blind Flange (Y/N) N
Weight of Nozzle ( Used if > 0 ) 0 kgf
Grade of Attached Flange GR 1.1
Nozzle Matl SA-106 B

Element From Node 40


Element To Node 50
Element Type Cylinder
Description SHELL 3
Distance "FROM" to "TO" 186.3 cm
Inside Diameter 3658 mm
Element Thickness 24.78 mm
Internal Corrosion Allowance 0 mm
Nominal Thickness 0 mm
External Corrosion Allowance 0 mm
Design Internal Pressure 15 kgf/cm²
Design Temperature Internal Pressure 60 °C
Design External Pressure 1.0299 kgf/cm²
Design Temperature External Pressure 33 °C
Effective Diameter Multiplier 1.2
Material Name SA-516 70 [Impact Tested]
Efficiency, Longitudinal Seam 1.0
Efficiency, Circumferential Seam 1.0
Weld is pre-Heated No

Element From Node 40


Detail Type Saddle
Detail ID Lft Sdl
Dist. from "FROM" Node / Offset dist 176.3 cm
Width of Saddle 300 mm
Height of Saddle at Bottom 2429 mm
Saddle Contact Angle 135.0
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Height of Composite Ring Stiffener 0 mm


Width of Wear Plate 500 mm
Thickness of Wear Plate 24 mm
Contact Angle, Wear Plate (degrees) 162.0
Friction coefficient 0.0
Moment Factor 3.0
Dimension E at base (optional) 0 mm
Circumferential Eff. over Saddle 1.0
Circumferential Eff. at Midspan 1.0
Tangent to Tangent dist. (optional) 0 cm

Element From Node 50


Element To Node 60
Element Type Cylinder
Description SHELL 4
Distance "FROM" to "TO" 186.3 cm
Inside Diameter 3658 mm
Element Thickness 28.2 mm
Internal Corrosion Allowance 0 mm
Nominal Thickness 0 mm
External Corrosion Allowance 0 mm
Design Internal Pressure 15 kgf/cm²
Design Temperature Internal Pressure 60 °C
Design External Pressure 1.0299 kgf/cm²
Design Temperature External Pressure 33 °C
Effective Diameter Multiplier 1.2
Material Name SA-516 70 [Impact Tested]
Efficiency, Longitudinal Seam 1.0
Efficiency, Circumferential Seam 1.0
Weld is pre-Heated No

Element From Node 50


Detail Type Nozzle
Detail ID MH1
Dist. from "FROM" Node / Offset dist 100 cm
Nozzle Diameter 20 in.
Nozzle Schedule 40
Nozzle Class 150
Layout Angle 90.0
Blind Flange (Y/N) Y
Weight of Nozzle ( Used if > 0 ) 0 kgf
Grade of Attached Flange GR 1.1
Nozzle Matl SA-106 B

Element From Node 50


Detail Type Nozzle
Detail ID N6
Dist. from "FROM" Node / Offset dist 40 cm
Nozzle Diameter 3 in.
Nozzle Schedule 40
Nozzle Class 150
Layout Angle 90.0
Blind Flange (Y/N) N
Weight of Nozzle ( Used if > 0 ) 0 kgf
Grade of Attached Flange GR 1.1
Nozzle Matl SA-106 B

Element From Node 60


Element To Node 70
Element Type Cylinder
Description SHELL 5
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Distance "FROM" to "TO" 186.3 cm


Inside Diameter 3658 mm
Element Thickness 24.77 mm
Internal Corrosion Allowance 0 mm
Nominal Thickness 0 mm
External Corrosion Allowance 0 mm
Design Internal Pressure 15 kgf/cm²
Design Temperature Internal Pressure 60 °C
Design External Pressure 1.0299 kgf/cm²
Design Temperature External Pressure 33 °C
Effective Diameter Multiplier 1.2
Material Name SA-516 70 [Impact Tested]
Efficiency, Longitudinal Seam 1.0
Efficiency, Circumferential Seam 1.0
Weld is pre-Heated No

Element From Node 60


Detail Type Nozzle
Detail ID N5
Dist. from "FROM" Node / Offset dist 40 cm
Nozzle Diameter 2 in.
Nozzle Schedule 40
Nozzle Class 150
Layout Angle 90.0
Blind Flange (Y/N) N
Weight of Nozzle ( Used if > 0 ) 0 kgf
Grade of Attached Flange GR 1.1
Nozzle Matl SA-106 B

Element From Node 60


Detail Type Nozzle
Detail ID N4
Dist. from "FROM" Node / Offset dist 80 cm
Nozzle Diameter 4 in.
Nozzle Schedule 40
Nozzle Class 150
Layout Angle 90.0
Blind Flange (Y/N) N
Weight of Nozzle ( Used if > 0 ) 0 kgf
Grade of Attached Flange GR 1.1
Nozzle Matl SA-106 B

Element From Node 60


Detail Type Nozzle
Detail ID N11
Dist. from "FROM" Node / Offset dist 40 cm
Nozzle Diameter 2 in.
Nozzle Schedule 40
Nozzle Class 150
Layout Angle 270.0
Blind Flange (Y/N) N
Weight of Nozzle ( Used if > 0 ) 0 kgf
Grade of Attached Flange GR 1.1
Nozzle Matl SA-106 B

Element From Node 60


Detail Type Nozzle
Detail ID N12
Dist. from "FROM" Node / Offset dist 80 cm
Nozzle Diameter 6 in.
Nozzle Schedule 40
Nozzle Class 150
Layout Angle 270.0
Blind Flange (Y/N) N
Weight of Nozzle ( Used if > 0 ) 0 kgf
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Grade of Attached Flange GR 1.1


Nozzle Matl SA-106 B

Element From Node 60


Detail Type Nozzle
Detail ID N13
Dist. from "FROM" Node / Offset dist 120 cm
Nozzle Diameter 2 in.
Nozzle Schedule 40
Nozzle Class 150
Layout Angle 270.0
Blind Flange (Y/N) N
Weight of Nozzle ( Used if > 0 ) 0 kgf
Grade of Attached Flange GR 1.1
Nozzle Matl SA-106 B

Element From Node 60


Detail Type For./Mom.
Detail ID F/M:[1 of 1]
Dist. from "FROM" Node / Offset dist 0 cm
Force in X Direction 0 kgf
Force in Y Direction 0 kgf
Force in Z Direction 0 kgf
Moment about X Axis 0 kgf-m.
Moment about Y Axis 0 kgf-m.
Moment about Z Axis 0 kgf-m.
Force/Moment Combination Method SRSS

Element From Node 70


Element To Node 80
Element Type Cylinder
Description SHELL 6
Distance "FROM" to "TO" 186.3 cm
Inside Diameter 3658 mm
Element Thickness 24.8 mm
Internal Corrosion Allowance 0 mm
Nominal Thickness 0 mm
External Corrosion Allowance 0 mm
Design Internal Pressure 15 kgf/cm²
Design Temperature Internal Pressure 60 °C
Design External Pressure 1.0299 kgf/cm²
Design Temperature External Pressure 33 °C
Effective Diameter Multiplier 1.2
Material Name SA-516 70 [Impact Tested]
Efficiency, Longitudinal Seam 1.0
Efficiency, Circumferential Seam 1.0
Weld is pre-Heated No

Element From Node 80


Element To Node 90
Element Type Cylinder
Description SHELL 7
Distance "FROM" to "TO" 186.3 cm
Inside Diameter 3658 mm
Element Thickness 24.78 mm
Internal Corrosion Allowance 0 mm
Nominal Thickness 0 mm
External Corrosion Allowance 0 mm
Design Internal Pressure 15 kgf/cm²
Design Temperature Internal Pressure 60 °C
Design External Pressure 1.0299 kgf/cm²
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Design Temperature External Pressure 33 °C


Effective Diameter Multiplier 1.2
Material Name SA-516 70 [Impact Tested]
Efficiency, Longitudinal Seam 1.0
Efficiency, Circumferential Seam 1.0
Weld is pre-Heated No

Element From Node 80


Detail Type Saddle
Detail ID Lft Sdl
Dist. from "FROM" Node / Offset dist 10 cm
Width of Saddle 300 mm
Height of Saddle at Bottom 2429 mm
Saddle Contact Angle 135.0
Height of Composite Ring Stiffener 0 mm
Width of Wear Plate 500 mm
Thickness of Wear Plate 24 mm
Contact Angle, Wear Plate (degrees) 162.0
Friction coefficient 0.0
Moment Factor 3.0
Dimension E at base (optional) 0 mm
Circumferential Eff. over Saddle 1.0
Circumferential Eff. at Midspan 1.0
Tangent to Tangent dist. (optional) 0 cm

Element From Node 80


Detail Type Nozzle
Detail ID N8
Dist. from "FROM" Node / Offset dist 50 cm
Nozzle Diameter 2 in.
Nozzle Schedule 40
Nozzle Class 150
Layout Angle 270.0
Blind Flange (Y/N) N
Weight of Nozzle ( Used if > 0 ) 0 kgf
Grade of Attached Flange GR 1.1
Nozzle Matl SA-106 B

Element From Node 80


Detail Type Nozzle
Detail ID N9
Dist. from "FROM" Node / Offset dist 80 cm
Nozzle Diameter 2 in.
Nozzle Schedule 40
Nozzle Class 150
Layout Angle 270.0
Blind Flange (Y/N) N
Weight of Nozzle ( Used if > 0 ) 0 kgf
Grade of Attached Flange GR 1.1
Nozzle Matl SA-106 B

Element From Node 80


Detail Type Nozzle
Detail ID N10
Dist. from "FROM" Node / Offset dist 110 cm
Nozzle Diameter 2 in.
Nozzle Schedule 40
Nozzle Class 150
Layout Angle 270.0
Blind Flange (Y/N) N
Weight of Nozzle ( Used if > 0 ) 0 kgf
Grade of Attached Flange GR 1.1
Nozzle Matl SA-106 B
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Element From Node 90


Element To Node 100
Element Type Cylinder
Description SHELL 8
Distance "FROM" to "TO" 186.3 cm
Inside Diameter 3658 mm
Element Thickness 24.77 mm
Internal Corrosion Allowance 0 mm
Nominal Thickness 0 mm
External Corrosion Allowance 0 mm
Design Internal Pressure 15 kgf/cm²
Design Temperature Internal Pressure 60 °C
Design External Pressure 1.0299 kgf/cm²
Design Temperature External Pressure 33 °C
Effective Diameter Multiplier 1.2
Material Name SA-516 70 [Impact Tested]
Efficiency, Longitudinal Seam 1.0
Efficiency, Circumferential Seam 1.0
Weld is pre-Heated No

Element From Node 100


Element To Node 110
Element Type Cylinder
Description SHELL 9
Distance "FROM" to "TO" 186.3 cm
Inside Diameter 3658 mm
Element Thickness 24.78 mm
Internal Corrosion Allowance 0 mm
Nominal Thickness 0 mm
External Corrosion Allowance 0 mm
Design Internal Pressure 15 kgf/cm²
Design Temperature Internal Pressure 60 °C
Design External Pressure 1.0299 kgf/cm²
Design Temperature External Pressure 33 °C
Effective Diameter Multiplier 1.2
Material Name SA-516 70 [Impact Tested]
Efficiency, Longitudinal Seam 1.0
Efficiency, Circumferential Seam 1.0
Weld is pre-Heated No

Element From Node 100


Detail Type Saddle
Detail ID Lft Sdl
Dist. from "FROM" Node / Offset dist 100 cm
Width of Saddle 300 mm
Height of Saddle at Bottom 2529 mm
Saddle Contact Angle 135.0
Height of Composite Ring Stiffener 0 mm
Width of Wear Plate 500 mm
Thickness of Wear Plate 24 mm
Contact Angle, Wear Plate (degrees) 162.0
Friction coefficient 0.0
Moment Factor 3.0
Dimension E at base (optional) 2000 mm
Circumferential Eff. over Saddle 1.0
Circumferential Eff. at Midspan 1.0
Tangent to Tangent dist. (optional) 0 cm

Element From Node 100


Detail Type Nozzle
Detail ID N7
Dist. from "FROM" Node / Offset dist 160 cm
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Nozzle Diameter 2 in.


Nozzle Schedule 40
Nozzle Class 150
Layout Angle 270.0
Blind Flange (Y/N) N
Weight of Nozzle ( Used if > 0 ) 0 kgf
Grade of Attached Flange GR 1.1
Nozzle Matl SA-106 B

Element From Node 110


Element To Node 120
Element Type Elliptical
Description HEAD 2
Distance "FROM" to "TO" 20 cm
Inside Diameter 3658 mm
Element Thickness 26.77 mm
Internal Corrosion Allowance 0 mm
Nominal Thickness 0 mm
External Corrosion Allowance 0 mm
Design Internal Pressure 15 kgf/cm²
Design Temperature Internal Pressure 60 °C
Design External Pressure 1.0299 kgf/cm²
Design Temperature External Pressure 33 °C
Effective Diameter Multiplier 1.2
Material Name SA-516 70 [Impact Tested]
Efficiency, Longitudinal Seam 1.0
Efficiency, Circumferential Seam 1.0
Elliptical Head Factor 1.5
Weld is pre-Heated No

Element From Node 110


Detail Type Nozzle
Detail ID MH2
Dist. from "FROM" Node / Offset dist 0 mm
Nozzle Diameter 20 in.
Nozzle Schedule 40
Nozzle Class 150
Layout Angle 0.0
Blind Flange (Y/N) Y
Weight of Nozzle ( Used if > 0 ) 0 kgf
Grade of Attached Flange GR 1.1
Nozzle Matl SA-106 B

PV Elite is a trademark of Intergraph CADWorx & Analysis Solutions, Inc. 2019


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FileName : FFS-579 Page 14 of 132
XY Coordinate Calculations: Step: 2 10:40am Aug 29,2023

XY Coordinate Calculations:

From To X (Horiz.) Y (Vert.) DX (Horiz.) DY (Vert.)


cm cm cm cm

HEAD 1 20 ... 20 ...


SHELL 1 206.3 ... 186.3 ...
SHELL 2 392.6 ... 186.3 ...
SHELL 3 578.9 ... 186.3 ...
SHELL 4 765.2 ... 186.3 ...
SHELL 5 951.5 ... 186.3 ...
SHELL 6 1137.8 ... 186.3 ...
SHELL 7 1324.1 ... 186.3 ...
SHELL 8 1510.4 ... 186.3 ...
SHELL 9 1696.7 ... 186.3 ...
HEAD 2 1716.7 ... 20 ...

PV Elite is a trademark of Intergraph CADWorx & Analysis Solutions, Inc. 2019


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FileName : FFS-579 Page 15 of 132
Internal Pressure Calculations: Step: 3 10:40am Aug 29,2023

Element Thickness, Pressure, Diameter and Allowable Stress :

Int. Press Nominal Total Corr Element Allowable


From To + Liq. Hd Thickness Allowance Diameter Stress(SE)
kgf/cm² mm mm mm kgf/cm²

HEAD 1 15 ... ... 3658 1406.1


SHELL 1 15 ... ... 3658 1406.1
SHELL 2 15 ... ... 3658 1406.1
SHELL 3 15 ... ... 3658 1406.1
SHELL 4 15 ... ... 3658 1406.1
SHELL 5 15 ... ... 3658 1406.1
SHELL 6 15 ... ... 3658 1406.1
SHELL 7 15 ... ... 3658 1406.1
SHELL 8 15 ... ... 3658 1406.1
SHELL 9 15 ... ... 3658 1406.1
HEAD 2 15 ... ... 3658 1406.1

Element Required Thickness and MAWP :

Design M.A.W.P. M.A.P. Minimum Required


From To Pressure Corroded New & Cold Thickness Thickness
kgf/cm² kgf/cm² kgf/cm² mm mm

HEAD 1 15 20.3412 28.9089 26.69 13.835


SHELL 1 15 18.7611 18.7611 24.6 19.6365
SHELL 2 15 18.8973 18.8973 24.78 19.6365
SHELL 3 15 18.8973 18.8973 24.78 19.6365
SHELL 4 15 21.4815 21.4815 28.2 19.6365
SHELL 5 15 18.8897 18.8897 24.77 19.6365
SHELL 6 15 18.9124 18.9124 24.8 19.6365
SHELL 7 15 18.8973 18.8973 24.78 19.6365
SHELL 8 15 18.8897 18.8897 24.77 19.6365
SHELL 9 15 18.8973 18.8973 24.78 19.6365
HEAD 2 15 20.4017 28.9954 26.77 13.835

Minimum 18.761 18.761

MAWP: 15.218 kgf/cm², limited by: Nozzle Reinforcement.

Internal Pressure Calculation Results :

ASME Code, Section VIII Division 1, 2017

Elliptical Head From 10 To 20 SA-516 70 at 60 °C

HEAD 1

Material UNS Number: K02700

Required Thickness due to Internal Pressure [tr]:


= (P*D*Kcor)/(2*S*E-0.2*P) Appendix 1-4(c)
= (15.0*3658.0*0.708)/(2*1406.14*1.0-0.2*15.0)
= 13.8350 + 0.0000 = 13.8350 mm

Max. Allowable Working Pressure at given Thickness, corroded [MAWP]:


= (2*S*E*t)/(Kcor*D+0.2*t) per Appendix 1-4 (c)
= (2*1406.14*1.0*26.69)/(0.708*3658.0+0.2*26.69)
= 28.909 kgf/cm²

Maximum Allowable Pressure, New and Cold [MAPNC]:


= (2*S*E*t)/(K*D+0.2*t) per Appendix 1-4 (c)
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Internal Pressure Calculations: Step: 3 10:40am Aug 29,2023

= (2*1406.14*1.0*26.69)/(0.708*3658.0+0.2*26.69)
= 28.909 kgf/cm²

Actual stress at given pressure and thickness, corroded [Sact]:


= (P*(Kcor*D+0.2*t))/(2*E*t)
= (15.0*(0.708*3658.0+0.2*26.69))/(2*1.0*26.69)
= 729.605 kgf/cm²

Straight Flange Required Thickness:


= (P*R)/(S*E-0.6*P) + c per UG-27 (c)(1)
= (15.0*1829.0)/(1406.14*1.0-0.6*15.0)+0.0
= 19.637 mm

Straight Flange Maximum Allowable Working Pressure:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14 * 1.0 * 26.69)/(1829.0 + 0.6 * 26.69 )
= 20.341 kgf/cm²

Percent Elong. per UCS-79, VIII-1-01-57 (75*tnom/Rf)*(1-Rf/Ro) 3.151 %

MDMT Calculations in the Knuckle Portion:

Note: This Element/Detail was specified as being Impact Tested.

MDMT Calculations in the Head Straight Flange:

Note: This Element/Detail was specified as being Impact Tested.

Cylindrical Shell From 20 To 30 SA-516 70 at 60 °C

SHELL 1

Material UNS Number: K02700

Required Thickness due to Internal Pressure [tr]:


= (P*R)/(S*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406.14*1.0-0.6*15.0)
= 19.6365 + 0.0000 = 19.6365 mm

Max. Allowable Working Pressure at given Thickness, corroded [MAWP]:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14*1.0*24.6)/(1829.0+0.6*24.6)
= 18.761 kgf/cm²

Maximum Allowable Pressure, New and Cold [MAPNC]:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14*1.0*24.6)/(1829.0+0.6*24.6)
= 18.761 kgf/cm²

Actual stress at given pressure and thickness, corroded [Sact]:


= (P*(R+0.6*t))/(E*t)
= (15.0*(1829.0+0.6*24.6))/(1.0*24.6)
= 1124.244 kgf/cm²

% Elongation per Table UG-79-1 (50*tnom/Rf*(1-Rf/Ro)) 0.668 %

Minimum Design Metal Temperature Results:

Note: This Element/Detail was specified as being Impact Tested.

Cylindrical Shell From 30 To 40 SA-516 70 at 60 °C


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SHELL 2

Material UNS Number: K02700

Required Thickness due to Internal Pressure [tr]:


= (P*R)/(S*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406.14*1.0-0.6*15.0)
= 19.6365 + 0.0000 = 19.6365 mm

Max. Allowable Working Pressure at given Thickness, corroded [MAWP]:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14*1.0*24.78)/(1829.0+0.6*24.78)
= 18.897 kgf/cm²

Maximum Allowable Pressure, New and Cold [MAPNC]:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14*1.0*24.78)/(1829.0+0.6*24.78)
= 18.897 kgf/cm²

Actual stress at given pressure and thickness, corroded [Sact]:


= (P*(R+0.6*t))/(E*t)
= (15.0*(1829.0+0.6*24.78))/(1.0*24.78)
= 1116.143 kgf/cm²

% Elongation per Table UG-79-1 (50*tnom/Rf*(1-Rf/Ro)) 0.673 %

Minimum Design Metal Temperature Results:

Note: This Element/Detail was specified as being Impact Tested.

Cylindrical Shell From 40 To 50 SA-516 70 at 60 °C

SHELL 3

Material UNS Number: K02700

Required Thickness due to Internal Pressure [tr]:


= (P*R)/(S*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406.14*1.0-0.6*15.0)
= 19.6365 + 0.0000 = 19.6365 mm

Max. Allowable Working Pressure at given Thickness, corroded [MAWP]:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14*1.0*24.78)/(1829.0+0.6*24.78)
= 18.897 kgf/cm²

Maximum Allowable Pressure, New and Cold [MAPNC]:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14*1.0*24.78)/(1829.0+0.6*24.78)
= 18.897 kgf/cm²

Actual stress at given pressure and thickness, corroded [Sact]:


= (P*(R+0.6*t))/(E*t)
= (15.0*(1829.0+0.6*24.78))/(1.0*24.78)
= 1116.143 kgf/cm²

% Elongation per Table UG-79-1 (50*tnom/Rf*(1-Rf/Ro)) 0.673 %

Minimum Design Metal Temperature Results:


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Note: This Element/Detail was specified as being Impact Tested.

Cylindrical Shell From 50 To 60 SA-516 70 at 60 °C

SHELL 4

Material UNS Number: K02700

Required Thickness due to Internal Pressure [tr]:


= (P*R)/(S*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406.14*1.0-0.6*15.0)
= 19.6365 + 0.0000 = 19.6365 mm

Max. Allowable Working Pressure at given Thickness, corroded [MAWP]:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14*1.0*28.2)/(1829.0+0.6*28.2)
= 21.482 kgf/cm²

Maximum Allowable Pressure, New and Cold [MAPNC]:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14*1.0*28.2)/(1829.0+0.6*28.2)
= 21.482 kgf/cm²

Actual stress at given pressure and thickness, corroded [Sact]:


= (P*(R+0.6*t))/(E*t)
= (15.0*(1829.0+0.6*28.2))/(1.0*28.2)
= 981.872 kgf/cm²

% Elongation per Table UG-79-1 (50*tnom/Rf*(1-Rf/Ro)) 0.765 %

Minimum Design Metal Temperature Results:

Note: This Element/Detail was specified as being Impact Tested.

Cylindrical Shell From 60 To 70 SA-516 70 at 60 °C

SHELL 5

Material UNS Number: K02700

Required Thickness due to Internal Pressure [tr]:


= (P*R)/(S*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406.14*1.0-0.6*15.0)
= 19.6365 + 0.0000 = 19.6365 mm

Max. Allowable Working Pressure at given Thickness, corroded [MAWP]:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14*1.0*24.77)/(1829.0+0.6*24.77)
= 18.890 kgf/cm²

Maximum Allowable Pressure, New and Cold [MAPNC]:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14*1.0*24.77)/(1829.0+0.6*24.77)
= 18.890 kgf/cm²

Actual stress at given pressure and thickness, corroded [Sact]:


= (P*(R+0.6*t))/(E*t)
= (15.0*(1829.0+0.6*24.77))/(1.0*24.77)
= 1116.590 kgf/cm²

% Elongation per Table UG-79-1 (50*tnom/Rf*(1-Rf/Ro)) 0.673 %


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Minimum Design Metal Temperature Results:

Note: This Element/Detail was specified as being Impact Tested.

Cylindrical Shell From 70 To 80 SA-516 70 at 60 °C

SHELL 6

Material UNS Number: K02700

Required Thickness due to Internal Pressure [tr]:


= (P*R)/(S*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406.14*1.0-0.6*15.0)
= 19.6365 + 0.0000 = 19.6365 mm

Max. Allowable Working Pressure at given Thickness, corroded [MAWP]:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14*1.0*24.8)/(1829.0+0.6*24.8)
= 18.912 kgf/cm²

Maximum Allowable Pressure, New and Cold [MAPNC]:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14*1.0*24.8)/(1829.0+0.6*24.8)
= 18.912 kgf/cm²

Actual stress at given pressure and thickness, corroded [Sact]:


= (P*(R+0.6*t))/(E*t)
= (15.0*(1829.0+0.6*24.8))/(1.0*24.8)
= 1115.250 kgf/cm²

% Elongation per Table UG-79-1 (50*tnom/Rf*(1-Rf/Ro)) 0.673 %

Minimum Design Metal Temperature Results:

Note: This Element/Detail was specified as being Impact Tested.

Cylindrical Shell From 80 To 90 SA-516 70 at 60 °C

SHELL 7

Material UNS Number: K02700

Required Thickness due to Internal Pressure [tr]:


= (P*R)/(S*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406.14*1.0-0.6*15.0)
= 19.6365 + 0.0000 = 19.6365 mm

Max. Allowable Working Pressure at given Thickness, corroded [MAWP]:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14*1.0*24.78)/(1829.0+0.6*24.78)
= 18.897 kgf/cm²

Maximum Allowable Pressure, New and Cold [MAPNC]:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14*1.0*24.78)/(1829.0+0.6*24.78)
= 18.897 kgf/cm²

Actual stress at given pressure and thickness, corroded [Sact]:


= (P*(R+0.6*t))/(E*t)
= (15.0*(1829.0+0.6*24.78))/(1.0*24.78)
= 1116.143 kgf/cm²
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Internal Pressure Calculations: Step: 3 10:40am Aug 29,2023

% Elongation per Table UG-79-1 (50*tnom/Rf*(1-Rf/Ro)) 0.673 %

Minimum Design Metal Temperature Results:

Note: This Element/Detail was specified as being Impact Tested.

Cylindrical Shell From 90 To 100 SA-516 70 at 60 °C

SHELL 8

Material UNS Number: K02700

Required Thickness due to Internal Pressure [tr]:


= (P*R)/(S*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406.14*1.0-0.6*15.0)
= 19.6365 + 0.0000 = 19.6365 mm

Max. Allowable Working Pressure at given Thickness, corroded [MAWP]:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14*1.0*24.77)/(1829.0+0.6*24.77)
= 18.890 kgf/cm²

Maximum Allowable Pressure, New and Cold [MAPNC]:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14*1.0*24.77)/(1829.0+0.6*24.77)
= 18.890 kgf/cm²

Actual stress at given pressure and thickness, corroded [Sact]:


= (P*(R+0.6*t))/(E*t)
= (15.0*(1829.0+0.6*24.77))/(1.0*24.77)
= 1116.590 kgf/cm²

% Elongation per Table UG-79-1 (50*tnom/Rf*(1-Rf/Ro)) 0.673 %

Minimum Design Metal Temperature Results:

Note: This Element/Detail was specified as being Impact Tested.

Cylindrical Shell From 100 To 110 SA-516 70 at 60 °C

SHELL 9

Material UNS Number: K02700

Required Thickness due to Internal Pressure [tr]:


= (P*R)/(S*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406.14*1.0-0.6*15.0)
= 19.6365 + 0.0000 = 19.6365 mm

Max. Allowable Working Pressure at given Thickness, corroded [MAWP]:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14*1.0*24.78)/(1829.0+0.6*24.78)
= 18.897 kgf/cm²

Maximum Allowable Pressure, New and Cold [MAPNC]:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14*1.0*24.78)/(1829.0+0.6*24.78)
= 18.897 kgf/cm²

Actual stress at given pressure and thickness, corroded [Sact]:


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Internal Pressure Calculations: Step: 3 10:40am Aug 29,2023

= (P*(R+0.6*t))/(E*t)
= (15.0*(1829.0+0.6*24.78))/(1.0*24.78)
= 1116.143 kgf/cm²

% Elongation per Table UG-79-1 (50*tnom/Rf*(1-Rf/Ro)) 0.673 %

Minimum Design Metal Temperature Results:

Note: This Element/Detail was specified as being Impact Tested.

Elliptical Head From 110 To 120 SA-516 70 at 60 °C

HEAD 2

Material UNS Number: K02700

Required Thickness due to Internal Pressure [tr]:


= (P*D*Kcor)/(2*S*E-0.2*P) Appendix 1-4(c)
= (15.0*3658.0*0.708)/(2*1406.14*1.0-0.2*15.0)
= 13.8350 + 0.0000 = 13.8350 mm

Max. Allowable Working Pressure at given Thickness, corroded [MAWP]:


= (2*S*E*t)/(Kcor*D+0.2*t) per Appendix 1-4 (c)
= (2*1406.14*1.0*26.77)/(0.708*3658.0+0.2*26.77)
= 28.995 kgf/cm²

Maximum Allowable Pressure, New and Cold [MAPNC]:


= (2*S*E*t)/(K*D+0.2*t) per Appendix 1-4 (c)
= (2*1406.14*1.0*26.77)/(0.708*3658.0+0.2*26.77)
= 28.995 kgf/cm²

Actual stress at given pressure and thickness, corroded [Sact]:


= (P*(Kcor*D+0.2*t))/(2*E*t)
= (15.0*(0.708*3658.0+0.2*26.77))/(2*1.0*26.77)
= 727.429 kgf/cm²

Straight Flange Required Thickness:


= (P*R)/(S*E-0.6*P) + c per UG-27 (c)(1)
= (15.0*1829.0)/(1406.14*1.0-0.6*15.0)+0.0
= 19.637 mm

Straight Flange Maximum Allowable Working Pressure:


= (S*E*t)/(R+0.6*t) per UG-27 (c)(1)
= (1406.14 * 1.0 * 26.77)/(1829.0 + 0.6 * 26.77 )
= 20.402 kgf/cm²

Percent Elong. per UCS-79, VIII-1-01-57 (75*tnom/Rf)*(1-Rf/Ro) 3.161 %

MDMT Calculations in the Knuckle Portion:

Note: This Element/Detail was specified as being Impact Tested.

MDMT Calculations in the Head Straight Flange:

Note: This Element/Detail was specified as being Impact Tested.

Elements Suitable for Internal Pressure.

PV Elite is a trademark of Intergraph CADWorx & Analysis Solutions, Inc. 2019


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External Pressure Calculations: Step: 4 10:40am Aug 29,2023

External Pressure Calculation Results :

External Pressure Calculations:

Section Outside Corroded Factor Factor


From To Length Diameter Thickness A B
cm mm mm kgf/cm²

10 20 No Calc 3711.38 26.69 0.0012981 947.453


20 30 1797.99 3707.2 24.6 0.00013539 138.028
30 40 1797.99 3707.56 24.78 0.00013677 139.432
40 50 1797.99 3707.56 24.78 0.00013677 139.432
50 60 1797.99 3714.4 28.2 0.0001662 169.438
60 70 1797.99 3707.54 24.77 0.00013668 139.34
70 80 1797.99 3707.6 24.8 0.00013695 139.617
80 90 1797.99 3707.56 24.78 0.00013677 139.432
90 100 1797.99 3707.54 24.77 0.00013668 139.34
100 110 1797.99 3707.56 24.78 0.00013677 139.432
110 120 No Calc 3711.54 26.77 0.0013019 948.284

External Pressure Calculations:

External External External External


From To Actual T. Required T. Design Pressure M.A.W.P.
mm mm kgf/cm² kgf/cm²

10 20 26.69 7.30681 1.02988 9.83901


20 30 24.6 22.8389 1.02988 1.22122
30 40 24.78 22.8401 1.02988 1.24255
40 50 24.78 22.8401 1.02988 1.24255
50 60 28.2 22.8626 1.02988 1.71518
60 70 24.77 22.84 1.02988 1.24123
70 80 24.8 22.8403 1.02988 1.24519
80 90 24.78 22.8401 1.02988 1.24255
90 100 24.77 22.84 1.02988 1.24123
100 110 24.78 22.8401 1.02988 1.24255
110 120 26.77 7.30712 1.02988 9.87673

Minimum 1.221

External Pressure Calculations:

Actual Length Allowable Length Ring Inertia Ring Inertia


From To Bet. Stiffeners Bet. Stiffeners Required Available
cm cm cm**4 cm**4

10 20 No Calc No Calc No Calc No Calc


20 30 1797.99 2101.06 No Calc No Calc
30 40 1797.99 2134.49 No Calc No Calc
40 50 1797.99 2134.49 No Calc No Calc
50 60 1797.99 2860.83 No Calc No Calc
60 70 1797.99 2132.43 No Calc No Calc
70 80 1797.99 2138.62 No Calc No Calc
80 90 1797.99 2134.49 No Calc No Calc
90 100 1797.99 2132.43 No Calc No Calc
100 110 1797.99 2134.49 No Calc No Calc
110 120 No Calc No Calc No Calc No Calc

Elements Suitable for External Pressure.

ASME Code, Section VIII Division 1, 2017


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External Pressure Calculations: Step: 4 10:40am Aug 29,2023

Elliptical Head From 10 to 20 Ext. Chart: CS-2 at 33 °C

HEAD 1

Elastic Modulus from Chart: CS-2 at 33 °C : 0.204E+07 kgf/cm²

Results for Maximum Allowable External Pressure (MAEP):


Tca OD D/t Factor A B
26.690 3711.38 139.06 0.0012981 947.45
EMAP = B/(K0*D/t) = 947.4533/( 0.6925 *139.0551 ) = 9.839 kgf/cm²

Results for Required Thickness (Tca):


Tca OD D/t Factor A B
7.307 3711.38 507.93 0.0003554 362.28
EMAP = B/(K0*D/t) = 362.2838/( 0.6925 *507.9347 ) = 1.03 kgf/cm²

Check the requirements of UG-33(a)(1) using P = 1.67 * External Design


pressure for this head.

Material UNS Number: K02700

Required Thickness due to Internal Pressure [tr]:


= (P*D*Kcor)/(2*S*E-0.2*P) Appendix 1-4(c)
= (1.72*3658.0*0.708)/(2*1406.14*1.0-0.2*1.72)
= 1.5848 + 0.0000 = 1.5848 mm

Max. Allowable Working Pressure at given Thickness, corroded [MAWP]:


= ((2*S*E*t)/(Kcor*D+0.2*t))/1.67 per Appendix 1-4 (c)
= ((2*1406.14*1.0*26.69)/(0.708*3658.0+0.2*26.69))/1.67
= 17.311 kgf/cm²

Maximum Allowable External Pressure [MAEP]:


= min( MAEP, MAWP )
= min( 9.84, 17.3107 )
= 9.839 kgf/cm²

Thickness requirements per UG-33(a)(1) do not govern the required


thickness of this head.

Cylindrical Shell From 20 to 30 Ext. Chart: CS-2 at 33 °C

SHELL 1

Elastic Modulus from Chart: CS-2 at 33 °C : 0.204E+07 kgf/cm²

Results for Maximum Allowable External Pressure (MAEP):


Tca OD SLEN D/t L/D Factor A B
24.600 3707.20 17979.89 150.70 4.8500 0.0001354 138.03
EMAP = (4*B)/(3*(D/t)) = (4*138.0277)/(3*150.6992) = 1.2212 kgf/cm²

Results for Required Thickness (Tca):


Tca OD SLEN D/t L/D Factor A B
22.839 3707.20 17979.89 162.32 4.8500 0.0001230 125.39
EMAP = (4*B)/(3*(D/t)) = (4*125.3851)/(3*162.3197) = 1.0299 kgf/cm²

Results for Maximum Stiffened Length (Slen):


Tca OD SLEN D/t L/D Factor A B
24.600 3707.20 21010.63 150.70 5.6675 0.0001143 116.48
EMAP = (4*B)/(3*(D/t)) = (4*116.4817)/(3*150.6992) = 1.0306 kgf/cm²

Cylindrical Shell From 30 to 40 Ext. Chart: CS-2 at 33 °C

SHELL 2
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External Pressure Calculations: Step: 4 10:40am Aug 29,2023

Elastic Modulus from Chart: CS-2 at 33 °C : 0.204E+07 kgf/cm²

Results for Maximum Allowable External Pressure (MAEP):


Tca OD SLEN D/t L/D Factor A B
24.780 3707.56 17979.89 149.62 4.8495 0.0001368 139.43
EMAP = (4*B)/(3*(D/t)) = (4*139.4322)/(3*149.619) = 1.2426 kgf/cm²

Results for Required Thickness (Tca):


Tca OD SLEN D/t L/D Factor A B
22.840 3707.56 17979.89 162.33 4.8495 0.0001230 125.39
EMAP = (4*B)/(3*(D/t)) = (4*125.3912)/(3*162.3267) = 1.0299 kgf/cm²

Results for Maximum Stiffened Length (Slen):


Tca OD SLEN D/t L/D Factor A B
24.780 3707.56 21344.91 149.62 5.7571 0.0001134 115.65
EMAP = (4*B)/(3*(D/t)) = (4*115.6547)/(3*149.619) = 1.0307 kgf/cm²

Cylindrical Shell From 40 to 50 Ext. Chart: CS-2 at 33 °C

SHELL 3

Elastic Modulus from Chart: CS-2 at 33 °C : 0.204E+07 kgf/cm²

Results for Maximum Allowable External Pressure (MAEP):


Tca OD SLEN D/t L/D Factor A B
24.780 3707.56 17979.89 149.62 4.8495 0.0001368 139.43
EMAP = (4*B)/(3*(D/t)) = (4*139.4322)/(3*149.619) = 1.2426 kgf/cm²

Results for Required Thickness (Tca):


Tca OD SLEN D/t L/D Factor A B
22.840 3707.56 17979.89 162.33 4.8495 0.0001230 125.39
EMAP = (4*B)/(3*(D/t)) = (4*125.3912)/(3*162.3267) = 1.0299 kgf/cm²

Results for Maximum Stiffened Length (Slen):


Tca OD SLEN D/t L/D Factor A B
24.780 3707.56 21344.91 149.62 5.7571 0.0001134 115.65
EMAP = (4*B)/(3*(D/t)) = (4*115.6547)/(3*149.619) = 1.0307 kgf/cm²

Cylindrical Shell From 50 to 60 Ext. Chart: CS-2 at 33 °C

SHELL 4

Elastic Modulus from Chart: CS-2 at 33 °C : 0.204E+07 kgf/cm²

Results for Maximum Allowable External Pressure (MAEP):


Tca OD SLEN D/t L/D Factor A B
28.200 3714.40 17979.89 131.72 4.8406 0.0001662 169.44
EMAP = (4*B)/(3*(D/t)) = (4*169.4377)/(3*131.7163) = 1.7152 kgf/cm²

Results for Required Thickness (Tca):


Tca OD SLEN D/t L/D Factor A B
22.863 3714.40 17979.89 162.47 4.8406 0.0001231 125.50
EMAP = (4*B)/(3*(D/t)) = (4*125.4983)/(3*162.466) = 1.0299 kgf/cm²

Results for Maximum Stiffened Length (Slen):


Tca OD SLEN D/t L/D Factor A B
28.200 3714.40 28608.34 131.72 7.7020 0.0000999 101.83
EMAP = (4*B)/(3*(D/t)) = (4*101.8284)/(3*131.7163) = 1.0308 kgf/cm²

Cylindrical Shell From 60 to 70 Ext. Chart: CS-2 at 33 °C

SHELL 5

Elastic Modulus from Chart: CS-2 at 33 °C : 0.204E+07 kgf/cm²


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External Pressure Calculations: Step: 4 10:40am Aug 29,2023

Results for Maximum Allowable External Pressure (MAEP):


Tca OD SLEN D/t L/D Factor A B
24.770 3707.54 17979.89 149.68 4.8495 0.0001367 139.34
EMAP = (4*B)/(3*(D/t)) = (4*139.3396)/(3*149.6786) = 1.2412 kgf/cm²

Results for Required Thickness (Tca):


Tca OD SLEN D/t L/D Factor A B
22.840 3707.54 17979.89 162.33 4.8495 0.0001230 125.39
EMAP = (4*B)/(3*(D/t)) = (4*125.3908)/(3*162.3263) = 1.0299 kgf/cm²

Results for Maximum Stiffened Length (Slen):


Tca OD SLEN D/t L/D Factor A B
24.770 3707.54 21324.25 149.68 5.7516 0.0001135 115.70
EMAP = (4*B)/(3*(D/t)) = (4*115.7004)/(3*149.6786) = 1.0307 kgf/cm²

Cylindrical Shell From 70 to 80 Ext. Chart: CS-2 at 33 °C

SHELL 6

Elastic Modulus from Chart: CS-2 at 33 °C : 0.204E+07 kgf/cm²

Results for Maximum Allowable External Pressure (MAEP):


Tca OD SLEN D/t L/D Factor A B
24.800 3707.60 17979.89 149.50 4.8495 0.0001370 139.62
EMAP = (4*B)/(3*(D/t)) = (4*139.6172)/(3*149.5) = 1.2452 kgf/cm²

Results for Required Thickness (Tca):


Tca OD SLEN D/t L/D Factor A B
22.840 3707.60 17979.89 162.33 4.8495 0.0001230 125.39
EMAP = (4*B)/(3*(D/t)) = (4*125.3919)/(3*162.3275) = 1.0299 kgf/cm²

Results for Maximum Stiffened Length (Slen):


Tca OD SLEN D/t L/D Factor A B
24.800 3707.60 21386.21 149.50 5.7682 0.0001134 115.56
EMAP = (4*B)/(3*(D/t)) = (4*115.5637)/(3*149.5) = 1.0307 kgf/cm²

Cylindrical Shell From 80 to 90 Ext. Chart: CS-2 at 33 °C

SHELL 7

Elastic Modulus from Chart: CS-2 at 33 °C : 0.204E+07 kgf/cm²

Results for Maximum Allowable External Pressure (MAEP):


Tca OD SLEN D/t L/D Factor A B
24.780 3707.56 17979.89 149.62 4.8495 0.0001368 139.43
EMAP = (4*B)/(3*(D/t)) = (4*139.4322)/(3*149.619) = 1.2426 kgf/cm²

Results for Required Thickness (Tca):


Tca OD SLEN D/t L/D Factor A B
22.840 3707.56 17979.89 162.33 4.8495 0.0001230 125.39
EMAP = (4*B)/(3*(D/t)) = (4*125.3912)/(3*162.3267) = 1.0299 kgf/cm²

Results for Maximum Stiffened Length (Slen):


Tca OD SLEN D/t L/D Factor A B
24.780 3707.56 21344.91 149.62 5.7571 0.0001134 115.65
EMAP = (4*B)/(3*(D/t)) = (4*115.6547)/(3*149.619) = 1.0307 kgf/cm²

Cylindrical Shell From 90 to 100 Ext. Chart: CS-2 at 33 °C

SHELL 8

Elastic Modulus from Chart: CS-2 at 33 °C : 0.204E+07 kgf/cm²

Results for Maximum Allowable External Pressure (MAEP):


Tca OD SLEN D/t L/D Factor A B
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External Pressure Calculations: Step: 4 10:40am Aug 29,2023

24.770 3707.54 17979.89 149.68 4.8495 0.0001367 139.34


EMAP = (4*B)/(3*(D/t)) = (4*139.3396)/(3*149.6786) = 1.2412 kgf/cm²

Results for Required Thickness (Tca):


Tca OD SLEN D/t L/D Factor A B
22.840 3707.54 17979.89 162.33 4.8495 0.0001230 125.39
EMAP = (4*B)/(3*(D/t)) = (4*125.3908)/(3*162.3263) = 1.0299 kgf/cm²

Results for Maximum Stiffened Length (Slen):


Tca OD SLEN D/t L/D Factor A B
24.770 3707.54 21324.25 149.68 5.7516 0.0001135 115.70
EMAP = (4*B)/(3*(D/t)) = (4*115.7004)/(3*149.6786) = 1.0307 kgf/cm²

Cylindrical Shell From 100 to 110 Ext. Chart: CS-2 at 33 °C

SHELL 9

Elastic Modulus from Chart: CS-2 at 33 °C : 0.204E+07 kgf/cm²

Results for Maximum Allowable External Pressure (MAEP):


Tca OD SLEN D/t L/D Factor A B
24.780 3707.56 17979.89 149.62 4.8495 0.0001368 139.43
EMAP = (4*B)/(3*(D/t)) = (4*139.4322)/(3*149.619) = 1.2426 kgf/cm²

Results for Required Thickness (Tca):


Tca OD SLEN D/t L/D Factor A B
22.840 3707.56 17979.89 162.33 4.8495 0.0001230 125.39
EMAP = (4*B)/(3*(D/t)) = (4*125.3912)/(3*162.3267) = 1.0299 kgf/cm²

Results for Maximum Stiffened Length (Slen):


Tca OD SLEN D/t L/D Factor A B
24.780 3707.56 21344.91 149.62 5.7571 0.0001134 115.65
EMAP = (4*B)/(3*(D/t)) = (4*115.6547)/(3*149.619) = 1.0307 kgf/cm²

Elliptical Head From 110 to 120 Ext. Chart: CS-2 at 33 °C

HEAD 2

Elastic Modulus from Chart: CS-2 at 33 °C : 0.204E+07 kgf/cm²

Results for Maximum Allowable External Pressure (MAEP):


Tca OD D/t Factor A B
26.770 3711.54 138.65 0.0013019 948.28
EMAP = B/(K0*D/t) = 948.2844/( 0.6925 *138.6455 ) = 9.8767 kgf/cm²

Results for Required Thickness (Tca):


Tca OD D/t Factor A B
7.307 3711.54 507.93 0.0003554 362.28
EMAP = B/(K0*D/t) = 362.2839/( 0.6925 *507.9345 ) = 1.03 kgf/cm²

Check the requirements of UG-33(a)(1) using P = 1.67 * External Design


pressure for this head.

Material UNS Number: K02700

Required Thickness due to Internal Pressure [tr]:


= (P*D*Kcor)/(2*S*E-0.2*P) Appendix 1-4(c)
= (1.72*3658.0*0.708)/(2*1406.14*1.0-0.2*1.72)
= 1.5848 + 0.0000 = 1.5848 mm

Max. Allowable Working Pressure at given Thickness, corroded [MAWP]:


= ((2*S*E*t)/(Kcor*D+0.2*t))/1.67 per Appendix 1-4 (c)
= ((2*1406.14*1.0*26.77)/(0.708*3658.0+0.2*26.77))/1.67
= 17.363 kgf/cm²
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External Pressure Calculations: Step: 4 10:40am Aug 29,2023

Maximum Allowable External Pressure [MAEP]:


= min( MAEP, MAWP )
= min( 9.88, 17.3625 )
= 9.877 kgf/cm²

Thickness requirements per UG-33(a)(1) do not govern the required


thickness of this head.

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Element and Detail Weights: Step: 5 10:40am Aug 29,2023

Element and Detail Weights:

Element Element Corroded Corroded Extra due


From To Metal Wgt. ID Volume Metal Wgt. ID Volume Misc %
kg cm³ kg cm³ kg

10 20 4772.44 10644839 4772.44 10644839 ...


20 30 4109.37 19578984 4109.37 19578984 ...
30 40 4139.64 19578984 4139.64 19578984 ...
40 50 4139.64 19578984 4139.64 19578984 ...
50 60 4715.34 19578984 4715.34 19578984 ...
60 70 4137.96 19578984 4137.96 19578984 ...
70 80 4143.01 19578984 4143.01 19578984 ...
80 90 4139.64 19578984 4139.64 19578984 ...
90 100 4137.96 19578984 4137.96 19578984 ...
100 110 4139.64 19578984 4139.64 19578984 ...
110 120 4786.94 10644839 4786.94 10644839 ...

Total 47361 0.198E+09 47361 0.198E+09 0

Weight of Details:

Weight of X Offset, Y Offset,


From Type Detail Dtl. Cent. Dtl. Cent. Description
kg cm cm

20 Sadl 1719.76 86.3 210.47 Lft Sdl


20 Nozl 15.5957 30 187.98 N1
20 Nozl 20.1386 100 190.52 N2
20 Nozl 20.1785 20 190.52 N18
30 Nozl 21.8286 20 190.52 N3
40 Sadl 1719.76 176.3 210.461 Lft Sdl
50 Nozl 303.319 100 208.3 MH1
50 Nozl 11.8412 40 186.71 N6
60 Nozl 4.35718 40 185.44 N5
60 Nozl 15.8135 80 187.98 N4
60 Nozl 4.49351 40 185.44 N11
60 Nozl 23.4224 80 190.52 N12
60 Nozl 4.35054 120 185.44 N13
60 Forc ... ... ... F/M:[1 of 1]
80 Sadl 1719.76 10 210.461 Lft Sdl
80 Nozl 4.43731 50 185.44 N8
80 Nozl 4.52292 80 185.44 N9
80 Nozl 4.54562 110 185.44 N10
100 Sadl 1809.62 100 215.461 Lft Sdl
100 Nozl 14.8045 160 185.44 N7
110 Nozl 249.884 141.933 ... MH2

Total Weight of Each Detail Type:

Saddles 6968.9
Nozzles 723.5

Sum of the Detail Weights 7692.4 kg

Weight Summation Results: (kg)

Fabricated Shop Test Shipping Erected Empty Operating

Main Elements 47361.6 47361.6 47361.6 47361.6 47361.6 47361.6


Saddles 6968.9 6968.9 6968.9 6968.9 6968.9 6968.9
Nozzles 723.5 723.5 723.5 723.5 723.5 723.5
Test Liquid ... 197411.9 ... ... ... ...
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Element and Detail Weights: Step: 5 10:40am Aug 29,2023

Totals 55054.0 252465.9 55054.0 55054.0 55054.0 55054.0

Weight Summary:

Fabricated Wt. - Bare Weight without Removable Internals 55054.0 kg


Shop Test Wt. - Fabricated Weight + Water ( Full ) 252465.9 kg
Shipping Wt. - Fab. Weight + removable Intls.+ Shipping App. 55054.0 kg
Erected Wt. - Fab. Wt + or - loose items (trays,platforms etc.) 55054.0 kg
Ope. Wt. no Liq - Fab. Weight + Internals. + Details + Weights 55054.0 kg
Operating Wt. - Empty Weight + Operating Liq. Uncorroded 55054.0 kg
Oper. Wt. + CA - Corr Wt. + Operating Liquid 55054.0 kg
Field Test Wt. - Empty Weight + Water (Full) 252465.9 kg

Note:
The Corroded Weight and thickness are used in the Horizontal
Vessel Analysis (Ope Case) and Earthquake Load Calculations.

Outside Surface Areas of Elements:

Surface
From To Area
cm²

10 20 193587
20 30 216975
30 40 216996
40 50 216996
50 60 217396
60 70 216994
70 80 216998
80 90 216996
90 100 216994
100 110 216996
110 120 193603

Total 2340529.000 cm²

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Nozzle Flange MAWP: Step: 6 10:40am Aug 29,2023

Nozzle Flange MAWP Results:

Nozzle Flange Rating Design Grade/ Equiv. - - - - - - Max Pressure


Description Ope. Ambient Temp Class Group Press PVP 50% DNV
kgf/cm² kgf/cm² °C kgf/cm²

N1 19.27 19.99 60 150 GR 1.1 ... ... ... ...


N2 19.27 19.99 60 150 GR 1.1 ... ... ... ...
N18 19.27 19.99 60 150 GR 1.1 ... ... ... ...
N3 19.27 19.99 60 150 GR 1.1 ... ... ... ...
MH1 19.27 19.99 60 150 GR 1.1 ... ... ... ...
N6 19.27 19.99 60 150 GR 1.1 ... ... ... ...
N5 19.27 19.99 60 150 GR 1.1 ... ... ... ...
N4 19.27 19.99 60 150 GR 1.1 ... ... ... ...
N11 19.27 19.99 60 150 GR 1.1 ... ... ... ...
N12 19.27 19.99 60 150 GR 1.1 ... ... ... ...
N13 19.27 19.99 60 150 GR 1.1 ... ... ... ...
N8 19.27 19.99 60 150 GR 1.1 ... ... ... ...
N9 19.27 19.99 60 150 GR 1.1 ... ... ... ...
N10 19.27 19.99 60 150 GR 1.1 ... ... ... ...
N7 19.27 19.99 60 150 GR 1.1 ... ... ... ...
MH2 19.27 19.99 60 150 GR 1.1 ... ... ... ...

Min Rating 19.273 19.987 kgf/cm² [for Core Elements] 0.000 0.000 0.000

Selected Method for Derating ANSI B16.5 Flange MAWP: None Selected

ANSI Ratings are per ANSI/ASME B16.5 2013 Metric Edition

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Wind Load Calculation: Step: 7 10:40am Aug 29,2023

Wind Analysis Results

User Entered Importance Factor is 1.000


Gust Factor (Gh, Gbar) Static Dynamic 1.197
Shape Factor (Cf) for the Vessel is 0.567
User Entered Basic Wind Speed 112.7 km/hr
Exposure Category C
Table Lookup Value Alpha from Table C6 7.0000
Table Lookup Value Zg from Table C6 900.0000
Table Lookup Value Do from Table C6 0.0050

Wind Load Results per ASCE-7 93:

Sample Calculation for the First Element:

Rougness Factor = 1.0

Values [cf1] and [cf2]


Because RoughFact = 1 and DQZ > 2.5 and H/D < 7.0
Interpolating to find the final cf:
Because H / D < 7.0
CF = CF1 + (CF2-CF1)*( H/D - 1) / (7 - 1)
= 0.5 + ( 0.6- 0.5)*( 5.038 - 1)/(7 - 1)
= 0.567

Value of Alpha, Zg is taken from Table C6-2 [Alpha, Zg]


For Exposure Category C:
Alpha = 7.0, Zg = 27432.0 cm

Height of Interest for First Element [z]


= Centroid Hgt + Base Height
= 252.9 + 0.0 = 252.9 cm
but: z = Max(457.2, 252.9) = 457.2 cm

Note: Because z < 15 feet, use 15 feet to compute kz.

Velocity Pressure Coefficient [kZ]:


= 2.58( z/zg )^(2/Alpha) : z is Elevation of First Element
= 2.58( 457.2/900 )^(2/7.0)
= 0.801

Determine if Static or Dynamic Gust Factor Applies

Height to Diameter ratio :


= Maximum Height(length)^2 / Sum of Area of the Elements
= 1841.311(^2)/672938
= 5.038

Vibration Frequency = 33.0 Hz


Because H/D > 5 Or Freqency < 1.0: Dynamic Analysis Implemented

Element O/Dia =3 cm
Vibration Damping Factor (Operating) Beta = 0.01
For Terrain Category C
S = 1.0, Gamma = 0.23, Drag Coeff. = 0.005, Alpha = 7.0

Compute [fbar]
= 10.5 * Frequency(Hz) * Vessel Height(ft) / (S * Vr(mph))
= 10.5 * 33.0(Hz) * 60.41(ft)/S * 1.0(mph)
= 299.032

Because FBAR > 40: FBAR = 40.0


Wind Pressure - (performed in Imperial Units) [qz]
Importance Factor: I = 1.0
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Wind Load Calculation: Step: 7 10:40am Aug 29,2023

Wind Speed = 112.651 km/hr Converts to 70.0 mph


qz = 0.00256 * kZ * (I * Vr)²
= 0.00256 * 0.801*(1.0 * 70.0)² = 10.046 psf
Converts to: 49.051 kgf/m²

Force on the First Element [Fz]


= qz * Gh * CF * Wind Area
= 49.051 * 1.197 * 0.567 * 45227.789
= 150.63 kgf

Element z GH Area qz Force


cm cm² kgf/m² kgf

HEAD 1 252.9 1.197 45227.8 49.1 150.6


SHELL 1 252.9 1.197 82878.2 49.1 276.0
SHELL 2 252.9 1.197 82886.2 49.1 276.1
SHELL 3 252.9 1.197 82886.2 49.1 276.1
SHELL 4 252.9 1.197 83039.1 49.1 276.6
SHELL 5 252.9 1.197 82885.8 49.1 276.0
SHELL 6 252.9 1.197 82887.1 49.1 276.1
SHELL 7 252.9 1.197 82886.2 49.1 276.1
SHELL 8 252.9 1.197 82885.8 49.1 276.0
SHELL 9 252.9 1.197 82886.2 49.1 276.1
HEAD 2 252.9 1.197 45232.1 49.1 150.6

Wind Load Calculation:

Wind Wind Wind Wind Element


From To Height Diameter Area Pressure Wind Load
cm cm cm² kgf/m² kgf

10 20 252.9 445.366 45227.8 49.0511 150.63


20 30 252.9 444.864 82878.2 49.0511 276.024
30 40 252.9 444.907 82886.2 49.0511 276.051
40 50 252.9 444.907 82886.2 49.0511 276.051
50 60 252.9 445.728 83039.1 49.0511 276.56
60 70 252.9 444.905 82885.8 49.0511 276.05
70 80 252.9 444.912 82887.1 49.0511 276.054
80 90 252.9 444.907 82886.2 49.0511 276.051
90 100 252.9 444.905 82885.8 49.0511 276.05
100 110 252.9 444.907 82886.2 49.0511 276.051
110 120 252.9 445.385 45232.1 49.0511 150.645

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Earthquake Load Calculation: Step: 8 10:40am Aug 29,2023

Earthquake Analysis Results

The UBC Zone Factor for the Vessel is ............. 0.0000


The Importance Factor as Specified by the User is 1.000
The UBC Frequency and Soil Factor (C) is ......... 2.750
The UBC Force Factor as Specified by the User is .. 3.000
The UBC Total Weight (W) for the Vessel is ........ 55054.0 kgf
The UBC Total Shear (V) for the Vessel is ......... 0.0 kgf
The UBC Top Shear (Ft) for the Vessel is .......... 0.0 kgf

Earthquake Load Calculation:

Earthquake Earthquake Element


From To Height Weight Ope Load
cm kgf kgf

10 20 182.9 3670.27 ...


20 30 182.9 3670.27 ...
20 30 182.9 3670.27 ...
30 40 182.9 3670.27 ...
40 0 182.9 3670.27 ...
40 50 182.9 3670.27 ...
50 60 182.9 3670.27 ...
60 70 182.9 3670.27 ...
70 80 182.9 3670.27 ...
80 90 182.9 3670.27 ...
80 90 182.9 3670.27 ...
90 100 182.9 3670.27 ...
100 0 182.9 3670.27 ...
100 110 182.9 3670.27 ...
110 120 182.9 3670.27 ...

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Center of Gravity Calculation: Step: 9 10:40am Aug 29,2023

Shop/Field Installation Options :

Note : The CG is computed from the first Element From Node

Center of Gravity of Saddles 868.047 cm


Center of Gravity of Nozzles 1060.021 cm

Center of Gravity of Bare Shell New and Cold 856.831 cm


Center of Gravity of Bare Shell Corroded 856.831 cm

Vessel CG in the Operating Condition 860.921 cm


Vessel CG in the Fabricated (Shop/Empty) Condition 860.921 cm
Vessel CG in the Test Condition 858.911 cm

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Horizontal Vessel Analysis (Ope.): Step: 10 10:40am Aug 29,2023

ASME Horizontal Vessel Analysis: Stresses for the Left Saddle


(per ASME Sec. VIII Div. 2 based on the Zick method.)

Horizontal Vessel Stress Calculations : Operating Case

Note: There are more than two saddles present in this model. The load on
the saddle supports has been taken as the total weight divided by the
number of saddles. Insure that this is an appropriate assumption for
this vessel model.

Note:
Wear Pad Width (500.00) is less than 1.56*sqrt(rm*t)
and less than 2a. The wear plate will be ignored.

Minimum Wear Plate Width to be considered in analysis [b1]:


= min( b + 1.56*sqrt( Rm * t ), 2a )
= min( 300.0 + 1.56*sqrt( 1841.2999 * 24.6 ), 2 * 1000.0 )
= 632.0125 mm

Input and Calculated Values:

Vessel Mean Radius Rm 1841.30 mm


Stiffened Vessel Length per 4.15.6 L 1716.70 cm
Distance from Saddle to Vessel tangent a 1000.00 mm

Saddle Width b 300.00 mm


Saddle Bearing Angle theta 135.00 degrees

Inside Depth of Head h2 121.93 cm

Shell Allowable Stress used in Calculation 1406.14 kgf/cm²


Head Allowable Stress used in Calculation 1406.14 kgf/cm²
Circumferential Efficiency in Plane of Saddle 1.00
Circumferential Efficiency at Mid-Span 1.00

Saddle Force Q, Operating Case 16301.40 kgf

Horizontal Vessel Analysis Results: Actual Allowable


kgf/cm² kgf/cm²

Long. Stress at Top of Midspan 542.89 1406.14


Long. Stress at Bottom of Midspan 579.86 1406.14
Long. Stress at Top of Saddles 565.57 1406.14
Long. Stress at Bottom of Saddles 559.00 1406.14

Tangential Shear in Shell 27.84 1124.91


Circ. Stress at Horn of Saddle 78.71 1757.68
Circ. Compressive Stress in Shell 74.53 1406.14

Intermediate Results: Saddle Reaction Q due to Wind or Seismic

Saddle Reaction Force due to Wind Ft [Fwt]:


= Ftr * ( Ft/Num of Saddles + Z Force Load ) * B / E
= 3.0 * ( 2786.2/4 + 0 ) * 2429.0/2000.0
= 2537.9 kgf

Saddle Reaction Force due to Wind Fl or Friction [Fwl]:


= max( Fl, Friction Load, Sum of X Forces) * B / Ls
= max( 635.35, 0.0, 0 ) * 2429.0/15804.001
= 97.6 kgf

Load Combination Results for Q + Wind or Seismic [Q]:


= Saddle Load + Max( Fwl, Fwt, Fsl, Fst )
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Horizontal Vessel Analysis (Ope.): Step: 10 10:40am Aug 29,2023

= 13764 + Max( 98, 2538, 0, 0 )


= 16301.4 kgf

Summary of Loads at the base of this Saddle:


Vertical Load (including saddle weight) 18021.16 kgf
Transverse Shear Load Saddle Ft 696.55 kgf
Longitudinal Shear Load Saddle 635.35 kgf

Formulas and Substitutions for Horizontal Vessel Analysis:

Note: Wear Plate is not Welded to the Shell, k = 1.0

The Computed K values from Table 4.15.1:


K1 = 0.1320 K2 = 0.9584 K3 = 0.6538 K4 = 0.3439
K5 = 0.7108 K6 = 0.0413 K7 = 0.0130 K8 = 0.3234
K9 = 0.2463 K10 = 0.0471 K1* = 0.2339

Note: Dimension a is greater than or equal to Rm / 2.

Moment per Equation 4.15.3 [M1]:


= -Q*a [1 - (1- a/L + (R²-h2²)/(2a*L))/(1+(4h2)/3L)]
= -16301*100.0[1-(1-100.0/1716.7+(184.13²-121.933²)/
(2*100.0*1716.7))/(1+(4*121.93)/(3*1716.7))]
= -1452.1 kgf-m.

Moment per Equation 4.15.4 [M2]:


= Q*L/4(1+2(R²-h2²)/(L²))/(1+(4h2)/( 3L))-4a/L
= 16301*1717/4(1+2(184²-122²)/(1717²))/(1+(4*122)/
(3*1717))-4*100/1717
= 48433.4 kgf-m.

Longitudinal Stress at Top of Shell (4.15.6) [Sigma1]:


= P * Rm/(2t) - M2/(pi*Rm²t)
= 15.0 * 1841.3/(2*24.6) - 48433.4/(pi*1841.3²*24.6)
= 542.89 kgf/cm²

Longitudinal Stress at Bottom of Shell (4.15.7) [Sigma2]:


= P * Rm/(2t) + M2/(pi * Rm² * t)
= 15.0 * 1841.3/(2 * 24.6) + 48433.4/(pi * 1841.3² * 24.6 )
= 579.86 kgf/cm²

Longitudinal Stress at Top of Shell at Support (4.15.10) [Sigma*3]:


= P * Rm/(2t) - M1/(K1*pi*Rm²t)
= 15.0*1841.3/(2*24.6)--1452.1/(0.132*pi*1841.3²*24.6)
= 565.57 kgf/cm²

Longitudinal Stress at Bottom of Shell at Support (4.15.11) [Sigma*4]:


= P * Rm/(2t) + M1/(K1* * pi * Rm² * t)
= 15.0*1841.3/(2*24.6)+-1452.1/(0.2339*pi*1841.3²*24.6)
= 559.00 kgf/cm²

Maximum Shear Force in the Saddle (4.15.5) [T]:


= Q(L-2a)/(L+(4*h2/3))
= 16301( 1716.7 - 2 * 100.0)/(1716.7 + ( 4 * 121.93/3))
= 13156.3 kgf

Shear Stress in the shell no rings, not stiffened (4.15.14) [tau2]:


= K2 * T / ( Rm * t )
= 0.9584 * 13156.29/( 1841.2999 * 24.6 )
= 27.84 kgf/cm²

Decay Length (4.15.22) [x1,x2]:


= 0.78 * sqrt( Rm * t )
= 0.78 * sqrt( 1841.3 * 24.6 )
= 166.006 mm
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Circumferential Stress in shell, no rings (4.15.23) [sigma6]:


= -K5 * Q * k / ( t * ( b + X1 + X2 ) )
= - 0.7108 * 16301 * 1.0/( 24.6 * ( 300.0 + 166.01 + 166.01 ) )
= -74.53 kgf/cm²

Circ. Comp. Stress at Horn of Saddle, L>=8Rm (4.15.24) [sigma7]:


= -Q/(4*t*(b+X1+X2)) - 3*K7*Q/(2*t²)
= -16301/(4*24.6*(300.0+166.006+166.006)) -
3* 0.013*16301/(2*24.6²)
= -78.71 kgf/cm²

Effective reinforcing plate width (4.15.1) [B1]:


= min( b + 1.56 * sqrt( Rm * t ), 2a )
= min( 300.0 + 1.56 * sqrt( 1841.3 * 24.6 ), 2 * 100.0 )
= 632.01 mm

Results for Vessel Ribs, Web and Base:


Baseplate Length Bplen 2989.9900 mm
Baseplate Thickness Bpthk 22.0000 mm
Baseplate Width Bpwid 380.0000 mm
Number of Ribs ( inc. outside ribs ) Nribs 6
Rib Thickness Ribtk 22.0000 mm
Web Thickness Webtk 22.0000 mm
Web Location Webloc Center
Saddle Yield Stress Sy 2446.7 kgf
Height of Web at Center Hw,c 250.0 mm
Friction Coefficient mu 0.000

Note: In the tables below Io is I for the rectangle + Area * Centroid Distance^2

Moment of Inertia of Saddle - Transverse Direction (90 degrees to long axis)

B D Y A AY Io

Shell 830.9 24.6 12.3 204.4 251414.2 0.553E+05


Wearplate 500.0 24.0 36.6 120.0 439200.0 0.236E+05
Web 22.0 529.4 313.3 116.5 3648940.5 0.490E+05
BasePlate 380.0 22.0 589.0 83.6 4924038.0 0.142E+06
Totals ... ... ... 524.5 9263593.0 0.270E+06

Distance to Centroid [C1]:


= AY / A
= 3647.084/524.47
= 176.628 mm

Angle [beta]:
= 180 - Saddle Angle/2
= 180 - 135.0/2
= 112.5

Saddle Splitting Coefficient [K1]:


= ( 1 + cos(beta) - 0.5*sin(beta)² )/(pi - beta + sin(beta)cos(beta) )
= ( 1 + cos(112.5) - 0.5*sin(112.5)² )/(pi - 1.963 + sin(112.5)cos(112.5) )
= 0.2311

Saddle Splitting Force [Fh]:


= K1 * Q
= 0.231 * 16301.398
= 3767.0107 kgf

Tension Stress, St = ( Fh/As ) = 11.7694 kgf/cm²


Allowed Stress, Sa = 0.6 * Yield Str = 1468.0079 kgf/cm²

Saddle Splitting Dimension [d]:


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= B - R * sin( theta )/ theta


= 2429.0 - 1829.0 * sin( 1.1781 )/1.1781
= 994.674 mm

Bending Moment, M = Fh * d = 3746.9517 kgf-m.

Bending Stress, Sb = ( M * C1 / I ) = 24.5082 kgf/cm²


Allowed Stress, Sa = 2/3 * Yield Str = 1631.1200 kgf/cm²

Minimum Thickness of Baseplate per Moss:


= ( 3( Q + Saddle_Wt )BasePlateWidth / ( 4 * BasePlateLength * AllStress ))½
= ( 3(16301 + 1720)380.0/( 4 * 2989.99 * 1631.12 ))½
= 10.262 mm

Calculation of Axial Load, Intermediate Values and Compressive Stress:

Web Length Dimension [ Web Length ]:


= 2 * cos( 90 - Saddle Angle/2 )( Inside Radius + Shell Thk + Wear Plate Thk )
= 2 * cos( 90 - 135.0/2 )( 1829.0 + 24.6 + 24.0 )
= 3469.353 mm

Distance between Ribs [e]:


= Web Length / ( Nribs - 1 )
= 3469.3525/( 6 - 1 )
= 693.871 mm

Baseplate Pressure Area [Ap]:


= e * Bpwid / 2
= 693.8705 * 380.0/2
= 1318.354 cm²

Axial Load [P]:


= Ap * Bp
= 1318.4 * 1.43
= 1891.488 kgf

Area of the Rib and Web [Ar]:


= Rib Area + Web Area
= 61.16 + 76.326
= 137.486 cm²

Compressive Stress [Sc]:


= P/Ar
= 1891.5/137.4858
= 13.758 kgf/cm²

Check of Outside Ribs:

Inertia of Saddle, Outer Ribs - Longitudinal Direction

B D Y A AY Io

Rib+Web 22.0 300.0 ... 66.0 ... 0.495E+04

Rib dimension [D]:


= Saddle Width - Web Thickness
= 300.0 - 22.0
= 278.000 mm

Distance to Centroid from Datum [ytot]:


= AY / A
= 0.0/137.486
= 0.000 mm

Distance to Centroid [C1]:


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= Saddle Width / 2
= 300.0/2
= 150.000 mm

Radius of Gyration [r]:


= sqrt( Total Inertia / Total Area )
= sqrt( 4950.0/137.486 )
= 60.003 mm

Intermediate Term [Cc]:


= sqrt( 2 * pi² * Elastic Modulus / Yield Stress )
= sqrt( 2 * pi² * 2038900/2446.7 )
= 128.255

Slenderness ratio [KL/r]:


= KL/r
= 1 * 712.686/60.003
= 11.877

Bending Moment [Rm]:


= Fl /( 2 * Bplen ) * e * L / 2
= 635.3/( 2 * 2989.99 ) * 693.871 * 712.69/2
= 26.270 kgf-m.

Compressive Allowable, KL/r < Cc ( 11.8775 < 128.255 ) per AISC E2-1 [Sca]:
= ( 1-(Klr)²/(2*Cc²))Fy/(5/3+3*(Klr)/(8*Cc)-(Klr³)/(8*Cc³)
= ( 1-( 11.88 )²/(2 * 128.25² ))2447/
( 5/3+3*(11.88)/(8* 128.25)-( 11.88³)/(8*128.25³)
= 1432 kgf/cm²

AISC Unity Check of Outside Ribs ( must be <= 1 )


= Sc/Sca + ( Rm * C1 / I )/Sba
= 13.76/1431.96 + ( 26.27 * 150.0/49499996 )/1631.12
= 0.014

Check of Inside Ribs:

Inertia of Saddle, Inner Ribs - Axial Direction


B D Y A AY Io

Rib 22.0 278.0 0.0 61.2 0.0 0.495E+04


Web 693.9 22.0 0.0 152.7 0.0 61.6
Totals ... ... ... 213.8 ... 0.501E+04

Distance to Centroid from Datum [ytot]:


= AY / A
= 0.0/213.812
= 0.000 mm

Distance to Centroid [C1]:


= Saddle Width / 2
= 300.0/2
= 150.000 mm

Length of Inner Rib [L]:


= Saddle Height - sqrt( (Ro + Wpdthk)^2 - (Pitch/2)^2 ) - Bpthk
= 2429.0 - sqrt( (1877.6 + 24.0)^2 - (693.871/2)^2 ) - 22.0
= 561.731 mm

Radius of Gyration [r]:


= sqrt( Total Inertia / Total Area )
= sqrt( 5009.6/213.812 )
= 48.405 mm

Slenderness ratio [KL/r]:


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= KL/r
= 1 * 561.731/48.405
= 11.605

Unit Force [Force,u]:


= Fl / ( 2 * Baseplate Length )
= 635.347/( 2 * 2989.99 )
= 0.106 kgf/mm

Moment at base of inner Rib [Mbase,c]:


= Unit Force * e * L
= 0.106 * 693.871 * 561.731
= 41.411 kgf-m.

Bending Stress due to Transverse Force and Weight Load [SigmaB,base,c]:


= Bending Moment / Section Modulus
= 41.411/333974.438
= 12.400 kgf/cm²

Compressive Allowable, KL/r < Cc ( 11.6049 < 128.255 ) per AISC E2-1 [Sca]:
= ( 1-(Klr)²/(2*Cc²))Fy/(5/3+3*(Klr)/(8*Cc)-(Klr³)/(8*Cc³)
= ( 1-( 11.6 )²/(2 * 128.25² ))2447/
( 5/3+3*(11.6)/(8* 128.25)-( 11.6³)/(8*128.25³)
= 1433 kgf/cm²

AISC Unity Check of Inside Ribs ( must be <= 1 )


= Sc/Sca + ( Mbase,c * C1/I )/Sba
= 16.75/1432.91 + ( 41.41 * 150.0/5009.617 )/1631.12
= 0.019

ASME Horizontal Vessel Analysis: Stresses for the Right Saddle


(per ASME Sec. VIII Div. 2 based on the Zick method.)

Note:
Wear Pad Width (500.00) is less than 1.56*sqrt(rm*t)
and less than 2a. The wear plate will be ignored.

Minimum Wear Plate Width to be considered in analysis [b1]:


= min( b + 1.56*sqrt( Rm * t ), 2a )
= min( 300.0 + 1.56*sqrt( 1841.3899 * 24.78 ), 2 * 1000.0 )
= 633.2331 mm

Input and Calculated Values:

Vessel Mean Radius Rm 1841.39 mm


Stiffened Vessel Length per 4.15.6 L 1716.70 cm
Distance from Saddle to Vessel tangent a 1000.00 mm

Saddle Width b 300.00 mm


Saddle Bearing Angle theta 135.00 degrees

Inside Depth of Head h2 121.93 cm

Shell Allowable Stress used in Calculation 1406.14 kgf/cm²


Head Allowable Stress used in Calculation 1406.14 kgf/cm²
Circumferential Efficiency in Plane of Saddle 1.00
Circumferential Efficiency at Mid-Span 1.00

Saddle Force Q, Operating Case 16405.88 kgf

Horizontal Vessel Analysis Results: Actual Allowable


kgf/cm² kgf/cm²

Long. Stress at Top of Midspan 542.80 1406.14


Long. Stress at Bottom of Midspan 580.00 1406.14
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Long. Stress at Top of Saddles 561.52 1406.14


Long. Stress at Bottom of Saddles 554.95 1406.14

Tangential Shear in Shell 27.81 1124.91


Circ. Stress at Horn of Saddle 78.20 1757.68
Circ. Compressive Stress in Shell 74.32 1406.14

Intermediate Results: Saddle Reaction Q due to Wind or Seismic

Saddle Reaction Force due to Wind Ft [Fwt]:


= Ftr * ( Ft/Num of Saddles + Z Force Load ) * B / E
= 3.0 * ( 2786.2/4 + 0 ) * 2529.0/2000.0
= 2642.4 kgf

Saddle Reaction Force due to Wind Fl or Friction [Fwl]:


= max( Fl, Friction Load, Sum of X Forces) * B / Ls
= max( 635.47, 0.0, 0 ) * 2529.0/15804.001
= 101.7 kgf

Load Combination Results for Q + Wind or Seismic [Q]:


= Saddle Load + Max( Fwl, Fwt, Fsl, Fst )
= 13764 + Max( 102, 2642, 0, 0 )
= 16405.9 kgf

Summary of Loads at the base of this Saddle:


Vertical Load (including saddle weight) 18215.50 kgf
Transverse Shear Load Saddle Ft 696.55 kgf
Longitudinal Shear Load Saddle 635.47 kgf

Formulas and Substitutions for Horizontal Vessel Analysis:

Note: Wear Plate is not Welded to the Shell, k = 1.0

The Computed K values from Table 4.15.1:


K1 = 0.1320 K2 = 0.9584 K3 = 0.6538 K4 = 0.3439
K5 = 0.7108 K6 = 0.0413 K7 = 0.0130 K8 = 0.3234
K9 = 0.2463 K10 = 0.0471 K1* = 0.2339

Note: Dimension a is greater than or equal to Rm / 2.

Moment per Equation 4.15.3 [M1]:


= -Q*a [1 - (1- a/L + (R²-h2²)/(2a*L))/(1+(4h2)/3L)]
= -16406*100.0[1-(1-100.0/1716.7+(184.139²-121.933²)/
(2*100.0*1716.7))/(1+(4*121.93)/(3*1716.7))]
= -1461.2 kgf-m.

Moment per Equation 4.15.4 [M2]:


= Q*L/4(1+2(R²-h2²)/(L²))/(1+(4h2)/( 3L))-4a/L
= 16406*1717/4(1+2(184²-122²)/(1717²))/(1+(4*122)/
(3*1717))-4*100/1717
= 48744.0 kgf-m.

Longitudinal Stress at Top of Shell (4.15.6) [Sigma1]:


= P * Rm/(2t) - M2/(pi*Rm²t)
= 15.0 * 1841.39/(2*24.6) - 48744.0/(pi*1841.4²*24.6)
= 542.80 kgf/cm²

Longitudinal Stress at Bottom of Shell (4.15.7) [Sigma2]:


= P * Rm/(2t) + M2/(pi * Rm² * t)
= 15.0 * 1841.39/(2 * 24.6) + 48744.0/(pi * 1841.4² * 24.6 )
= 580.00 kgf/cm²

Longitudinal Stress at Top of Shell at Support (4.15.10) [Sigma*3]:


= P * Rm/(2t) - M1/(K1*pi*Rm²t)
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= 15.0*1841.39/(2*24.78)--1461.2/(0.132*pi*1841.4²*24.78)
= 561.52 kgf/cm²

Longitudinal Stress at Bottom of Shell at Support (4.15.11) [Sigma*4]:


= P * Rm/(2t) + M1/(K1* * pi * Rm² * t)
= 15.0*1841.39/(2*24.78)+-1461.2/(0.2339*pi*1841.4²*24.78)
= 554.95 kgf/cm²

Maximum Shear Force in the Saddle (4.15.5) [T]:


= Q(L-2a)/(L+(4*h2/3))
= 16406( 1716.7 - 2 * 100.0)/(1716.7 + ( 4 * 121.93/3))
= 13240.6 kgf

Shear Stress in the shell no rings, not stiffened (4.15.14) [tau2]:


= K2 * T / ( Rm * t )
= 0.9584 * 13240.62/( 1841.3899 * 24.78 )
= 27.81 kgf/cm²

Decay Length (4.15.22) [x1,x2]:


= 0.78 * sqrt( Rm * t )
= 0.78 * sqrt( 1841.39 * 24.78 )
= 166.617 mm

Circumferential Stress in shell, no rings (4.15.23) [sigma6]:


= -K5 * Q * k / ( t * ( b + X1 + X2 ) )
= - 0.7108 * 16406 * 1.0/( 24.78 * ( 300.0 + 166.62 + 166.62 ) )
= -74.32 kgf/cm²

Circ. Comp. Stress at Horn of Saddle, L>=8Rm (4.15.24) [sigma7]:


= -Q/(4*t*(b+X1+X2)) - 3*K7*Q/(2*t²)
= -16406/(4*24.78*(300.0+166.617+166.617)) -
3* 0.013*16406/(2*24.78²)
= -78.20 kgf/cm²

Effective reinforcing plate width (4.15.1) [B1]:


= min( b + 1.56 * sqrt( Rm * t ), 2a )
= min( 300.0 + 1.56 * sqrt( 1841.39 * 24.78 ), 2 * 100.0 )
= 633.23 mm

Results for Vessel Ribs, Web and Base:

Baseplate Length Bplen 2989.9900 mm


Baseplate Thickness Bpthk 22.0000 mm
Baseplate Width Bpwid 380.0000 mm
Number of Ribs ( inc. outside ribs ) Nribs 6
Rib Thickness Ribtk 22.0000 mm
Web Thickness Webtk 22.0000 mm
Web Location Webloc Center
Saddle Yield Stress Sy 2446.7 kgf
Height of Web at Center Hw,c 250.0 mm
Friction Coefficient mu 0.000

Note: In the tables below Io is I for the rectangle + Area * Centroid Distance^2

Moment of Inertia of Saddle - Transverse Direction (90 degrees to long axis)

B D Y A AY Io

Shell 832.1 24.8 12.4 206.2 255477.9 0.802E+05


Wearplate 500.0 24.0 36.8 120.0 441360.0 0.359E+05
Web 22.0 629.2 363.4 138.4 5030347.5 0.784E+05
BasePlate 380.0 22.0 689.0 83.6 5760039.0 0.192E+06
Totals ... ... ... 548.2 11487225.0 0.387E+06

Distance to Centroid [C1]:


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Horizontal Vessel Analysis (Ope.): Step: 10 10:40am Aug 29,2023

= AY / A
= 4522.53/548.225
= 209.535 mm

Angle [beta]:
= 180 - Saddle Angle/2
= 180 - 135.0/2
= 112.5

Saddle Splitting Coefficient [K1]:


= ( 1 + cos(beta) - 0.5*sin(beta)² )/(pi - beta + sin(beta)cos(beta) )
= ( 1 + cos(112.5) - 0.5*sin(112.5)² )/(pi - 1.963 + sin(112.5)cos(112.5) )
= 0.2311

Saddle Splitting Force [Fh]:


= K1 * Q
= 0.231 * 16405.883
= 3791.1555 kgf

Tension Stress, St = ( Fh/As ) = 11.0843 kgf/cm²


Allowed Stress, Sa = 0.6 * Yield Str = 1468.0079 kgf/cm²

Saddle Splitting Dimension [d]:


= B - R * sin( theta )/ theta
= 2529.0 - 1829.0 * sin( 1.1781 )/1.1781
= 1094.674 mm

Bending Moment, M = Fh * d = 4150.0845 kgf-m.

Bending Stress, Sb = ( M * C1 / I ) = 22.4830 kgf/cm²


Allowed Stress, Sa = 2/3 * Yield Str = 1631.1200 kgf/cm²

Minimum Thickness of Baseplate per Moss:


= ( 3( Q + Saddle_Wt )BasePlateWidth / ( 4 * BasePlateLength * AllStress ))½
= ( 3(16406 + 1810)380.0/( 4 * 2989.99 * 1631.12 ))½
= 10.317 mm

Calculation of Axial Load, Intermediate Values and Compressive Stress:

Web Length Dimension [ Web Length ]:


= 2 * cos( 90 - Saddle Angle/2 )( Inside Radius + Shell Thk + Wear Plate Thk )
= 2 * cos( 90 - 135.0/2 )( 1829.0 + 24.78 + 24.0 )
= 3469.685 mm

Distance between Ribs [e]:


= Web Length / ( Nribs - 1 )
= 3469.6851/( 6 - 1 )
= 693.937 mm

Baseplate Pressure Area [Ap]:


= e * Bpwid / 2
= 693.937 * 380.0/2
= 1318.480 cm²

Axial Load [P]:


= Ap * Bp
= 1318.5 * 1.44
= 1903.794 kgf

Area of the Rib and Web [Ar]:


= Rib Area + Web Area
= 61.16 + 76.333
= 137.493 cm²

Compressive Stress [Sc]:


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Horizontal Vessel Analysis (Ope.): Step: 10 10:40am Aug 29,2023

= P/Ar
= 1903.8/137.4931
= 13.846 kgf/cm²

Check of Outside Ribs:

Inertia of Saddle, Outer Ribs - Longitudinal Direction

B D Y A AY Io

Rib+Web 22.0 300.0 ... 66.0 ... 0.495E+04

Rib dimension [D]:


= Saddle Width - Web Thickness
= 300.0 - 22.0
= 278.000 mm

Distance to Centroid from Datum [ytot]:


= AY / A
= 0.0/137.493
= 0.000 mm

Distance to Centroid [C1]:


= Saddle Width / 2
= 300.0/2
= 150.000 mm

Radius of Gyration [r]:


= sqrt( Total Inertia / Total Area )
= sqrt( 4950.0/137.493 )
= 60.002 mm

Intermediate Term [Cc]:


= sqrt( 2 * pi² * Elastic Modulus / Yield Stress )
= sqrt( 2 * pi² * 2038900/2446.7 )
= 128.255

Slenderness ratio [KL/r]:


= KL/r
= 1 * 621.207/60.002
= 10.353

Bending Moment [Rm]:


= Fl /( 2 * Bplen ) * e * L / 2
= 635.5/( 2 * 2989.99 ) * 693.937 * 621.21/2
= 22.905 kgf-m.

Compressive Allowable, KL/r < Cc ( 10.3532 < 128.255 ) per AISC E2-1 [Sca]:
= ( 1-(Klr)²/(2*Cc²))Fy/(5/3+3*(Klr)/(8*Cc)-(Klr³)/(8*Cc³)
= ( 1-( 10.35 )²/(2 * 128.25² ))2447/
( 5/3+3*(10.35)/(8* 128.25)-( 10.35³)/(8*128.25³)
= 1437 kgf/cm²

AISC Unity Check of Outside Ribs ( must be <= 1 )


= Sc/Sca + ( Rm * C1 / I )/Sba
= 13.85/1437.18 + ( 22.9 * 150.0/49499996 )/1631.12
= 0.014

Check of Inside Ribs:

Inertia of Saddle, Inner Ribs - Axial Direction


B D Y A AY Io

Rib 22.0 278.0 0.0 61.2 0.0 0.495E+04


Web 693.9 22.0 0.0 152.7 0.0 61.6
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Horizontal Vessel Analysis (Ope.): Step: 10 10:40am Aug 29,2023

Totals ... ... ... 213.8 ... 0.501E+04

Distance to Centroid from Datum [ytot]:


= AY / A
= 0.0/213.826
= 0.000 mm

Distance to Centroid [C1]:


= Saddle Width / 2
= 300.0/2
= 150.000 mm

Length of Inner Rib [L]:


= Saddle Height - sqrt( (Ro + Wpdthk)^2 - (Pitch/2)^2 ) - Bpthk
= 2529.0 - sqrt( (1877.78 + 24.0)^2 - (693.937/2)^2 ) - 22.0
= 661.554 mm

Radius of Gyration [r]:


= sqrt( Total Inertia / Total Area )
= sqrt( 5009.6/213.826 )
= 48.403 mm

Slenderness ratio [KL/r]:


= KL/r
= 1 * 661.554/48.403
= 13.668

Unit Force [Force,u]:


= Fl / ( 2 * Baseplate Length )
= 635.471/( 2 * 2989.99 )
= 0.106 kgf/mm

Moment at base of inner Rib [Mbase,c]:


= Unit Force * e * L
= 0.106 * 693.937 * 661.554
= 48.784 kgf-m.

Bending Stress due to Transverse Force and Weight Load [SigmaB,base,c]:


= Bending Moment / Section Modulus
= 48.784/333974.844
= 14.607 kgf/cm²

Compressive Allowable, KL/r < Cc ( 13.6676 < 128.255 ) per AISC E2-1 [Sca]:
= ( 1-(Klr)²/(2*Cc²))Fy/(5/3+3*(Klr)/(8*Cc)-(Klr³)/(8*Cc³)
= ( 1-( 13.67 )²/(2 * 128.25² ))2447/
( 5/3+3*(13.67)/(8* 128.25)-( 13.67³)/(8*128.25³)
= 1426 kgf/cm²

AISC Unity Check of Inside Ribs ( must be <= 1 )


= Sc/Sca + ( Mbase,c * C1/I )/Sba
= 16.86/1425.62 + ( 48.78 * 150.0/5009.623 )/1631.12
= 0.021

PV Elite is a trademark of Intergraph CADWorx & Analysis Solutions, Inc. 2019


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Nozzle Summary: Step: 28 10:40am Aug 29,2023

Nozzle Calculation Summary:

Description MAWP Ext MAPNC UG-45 [tr] Weld Areas or


kgf/cm² kgf/cm² mm Path Stresses

N1 18.76 OK ... OK 5.26 OK Passed


N2 15.22 OK ... OK 6.22 OK Passed
N18 15.23 OK ... OK 6.22 OK Passed
N3 16.82 OK ... OK 6.22 OK Passed
MH1 16.55 OK ... ... OK Passed
N6 20.63 OK ... OK 4.80 OK Passed
N5 18.89 ... ... OK 4.52 OK No Calc[*]
N4 18.89 OK ... OK 5.26 OK Passed
N11 18.89 ... ... OK 4.52 OK No Calc[*]
N12 18.13 OK ... OK 6.22 OK Passed
N13 18.89 ... ... OK 4.52 OK No Calc[*]
N8 18.90 ... ... OK 4.52 OK No Calc[*]
N9 18.90 ... ... OK 4.52 OK No Calc[*]
N10 18.90 ... ... OK 4.52 OK No Calc[*]
N7 18.90 ... ... OK 4.52 OK No Calc[*]
MH2 19.24 OK ... ... OK Passed

MAWP Summary:
Minimum MAWP Nozzles : 15.218 Nozzle : N2
Minimum MAWP Shells/Flanges : 18.761 Element : SHELL 1
Minimum MAPnc Shells/Flanges : 18.761 Element : SHELL 1

Computed Vessel M.A.W.P. : 15.218 kgf/cm²

[*] - This was a small opening and the areas were not computed.

Note: MAWPs (Internal Case) shown above are at the High Point.

Warning: A Nozzle Reinforcement is governing the MAWP of this Vessel.

Check the Spatial Relationship between the Nozzles

From Node Nozzle Description X Coordinate Layout Angle Dia. Limit


mm deg mm

20 N1 500.000 90.000 203.200


20 N2 1200.000 90.000 304.800
20 N18 400.000 270.000 304.800
30 N3 2263.000 90.000 304.800
50 MH1 6789.000 90.000 1016.000
50 N6 6189.000 90.000 152.400
60 N5 8052.000 90.000 110.120
60 N4 8452.000 90.000 203.200
60 N11 8052.000 270.000 111.340
60 N12 8452.000 270.000 304.800
60 N13 8852.001 270.000 110.060
80 N8 11878.000 270.000 110.860
80 N9 12178.001 270.000 111.620
80 N10 12478.001 270.000 111.820
100 N7 16704.000 270.000 110.100
110 MH2 0.000 0.000 1016.000

The nozzle spacing is computed by the following:


= Sqrt( ll² + lc² ) where
ll - Arc length along the inside vessel surface in the long. direction.
lc - Arc length along the inside vessel surface in the circ. direction
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If any interferences/violations are found, they will be noted below.


No interference violations have been detected !

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Nozzle Calcs.: N1 Nozl: 17 10:40am Aug 29,2023

Input, Nozzle Desc: N1 From: 20

Pressure for Reinforcement Calculations P 15.000 kgf/cm²


Temperature for Internal Pressure Temp 60 °C
Design External Pressure Pext 1.03 kgf/cm²
Temperature for External Pressure Tempex 33 °C

Shell Material [Impact Tested] SA-516 70


Shell Allowable Stress at Temperature Sv 1406.14 kgf/cm²
Shell Allowable Stress At Ambient Sva 1406.14 kgf/cm²

Inside Diameter of Cylindrical Shell D 3658.00 mm


Design Length of Section L 17979.8906 mm
Shell Finished (Minimum) Thickness t 24.6000 mm
Shell Internal Corrosion Allowance c 0.0000 mm
Shell External Corrosion Allowance co 0.0000 mm

Distance from Bottom/Left Tangent 50.00 cm

User Entered Minimum Design Metal Temperature -8.00 °C

Type of Element Connected to the Shell : Nozzle

Material SA-106 B
Material UNS Number K03006
Material Specification/Type Smls. pipe
Allowable Stress at Temperature Sn 1202.25 kgf/cm²
Allowable Stress At Ambient Sna 1202.25 kgf/cm²

Diameter Basis (for tr calc only) ID


Layout Angle 90.00 deg
Diameter 4.0000 in.

Size and Thickness Basis Actual


Actual Thickness tn 5.6200 mm

Flange Material SA-105


Flange Type Weld Neck Flange

Corrosion Allowance can 0.0000 mm


Joint Efficiency of Shell Seam at Nozzle E1 1.00
Joint Efficiency of Nozzle Neck En 1.00

Outside Projection ho 150.0000 mm


Weld leg size between Nozzle and Pad/Shell Wo 10.0000 mm
Groove weld depth between Nozzle and Vessel Wgnv 24.6000 mm
Inside Projection h 0.0000 mm
Weld leg size, Inside Element to Shell Wi 0.0000 mm

Pad Material SA-516 70


Pad Allowable Stress at Temperature Sp 1406.14 kgf/cm²
Pad Allowable Stress At Ambient Spa 1406.14 kgf/cm²
Diameter of Pad along vessel surface Dp 216.0000 mm
Thickness of Pad te 24.8300 mm
Weld leg size between Pad and Shell Wp 20.0000 mm
Groove weld depth between Pad and Nozzle Wgpn 24.8300 mm
Reinforcing Pad Width 51.5800 mm

Class of attached Flange 150


Grade of attached Flange GR 1.1

The Pressure Design option was Design Pressure + static head.

Nozzle Sketch (may not represent actual weld type/configuration)


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Insert/Set-in Nozzle With Pad, no Inside projection

Reinforcement CALCULATION, Description: N1

ASME Code, Section VIII, Div. 1, 2017, UG-37 to UG-45

Actual Inside Diameter Used in Calculation 4.000 in.


Actual Thickness Used in Calculation 0.221 in.

Nozzle input data check completed without errors.

Reqd thk per UG-37(a) of Cylindrical Shell, Tr [Int. Press]


= (P*R)/(Sv*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406*1.0-0.6*15.0)
= 19.6365 mm

Reqd thk per UG-37(a) of Nozzle Wall, Trn [Int. Press]


= (P*R)/(Sn*E-0.6*P) per UG-27 (c)(1)
= (15.0*50.8)/(1202*1.0-0.6*15.0)
= 0.6386 mm

Required Nozzle thickness under External Pressure per UG-28 : 0.4034 mm

UG-40, Limits of Reinforcement : [Internal Pressure]


Parallel to Vessel Wall (Diameter Limit) Dl 203.2000 mm
Parallel to Vessel Wall, opening length d 101.6000 mm
Normal to Vessel Wall (Thickness Limit), pad side Tlwp 38.8800 mm

Note: The Pad diameter is greater than the Diameter Limit. The excess will not be considered.

Weld Strength Reduction Factor [fr1]:


= min( 1, Sn/Sv )
= min( 1, 1202.2/1406.1 )
= 0.855

Weld Strength Reduction Factor [fr2]:


= min( 1, Sn/Sv )
= min( 1, 1202.2/1406.1 )
= 0.855

Weld Strength Reduction Factor [fr4]:


= min( 1, Sp/Sv )
= min( 1, 1406.1/1406.1 )
= 1.000

Weld Strength Reduction Factor [fr3]:


= min( fr2, fr4 )
= min( 0.855, 1.0 )
= 0.855

Results of Nozzle Reinforcement Area Calculations: (cm²)


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AREA AVAILABLE, A1 to A5 Design External Mapnc

Area Required Ar 20.271 11.788 NA


Area in Shell A1 4.962 1.761 NA
Area in Nozzle Wall A2 3.312 3.468 NA
Area in Inward Nozzle A3 0.000 0.000 NA
Area in Welds A41+A42+A43 0.855 0.855 NA
Area in Element A5 22.436 22.436 NA
TOTAL AREA AVAILABLE Atot 31.565 28.520 NA

The Internal Pressure Case Governs the Analysis.

Nozzle Angle Used in Area Calculations 90.00 Degs.

The area available without a pad is Insufficient.


The area available with the given pad is Sufficient.

SELECTION OF POSSIBLE REINFORCING PADS: Diameter Thickness


Based on given Pad Thickness: 157.7128 24.8300 mm
Based on given Pad Diameter: 216.0000 12.3306 mm
Based on the Estimated Diameter Limit: 201.6125 12.5511 mm

Area Required [A]:


= ( d * tr*F + 2 * tn * tr*F * (1-fr1) ) UG-37(c)
= (101.6*19.6365*1.0+2*5.62*19.6365*1.0*(1-0.86))
= 20.271 cm²

Reinforcement Areas per Figure UG-37.1

Area Available in Shell [A1]:


= d( E1*t - F*tr ) - 2 * tn( E1*t - F*tr ) * ( 1 - fr1 )
= 101.6( 1.0 * 24.6 - 1.0 * 19.637 ) - 2 * 5.62
( 1.0 * 24.6 - 1.0 * 19.6365 ) * ( 1 - 0.855 )
= 4.962 cm²

Area Available in Nozzle Wall Projecting Outward [A2]:


= ( 2 * Tlwp ) * ( tn - trn ) * fr2
= ( 2 * 38.88 ) * ( 5.62 - 0.64 ) * 0.855
= 3.312 cm²

Area Available in Welds [A41 + A42 + A43]:


= Wo² * fr3 + (Wi-can/0.707)² * fr2 + Wp² * fr4
= 10.0² * 0.86 + (0.0)² * 0.86 + 0.0² * 1.0
= 0.855 cm²

Area Available in Element [A5]:


= (min(Dp,DL)-(Nozzle OD))*(min(tp,Tlwp,te)) * fr4
= ( 203.2 - 112.84 ) * 24.83 * 1.0
= 22.436 cm²

UG-45 Minimum Nozzle Neck Thickness Requirement: [Int. Press.]


Wall Thickness for Internal/External pressures ta = 0.6386 mm
Wall Thickness per UG16(b), tr16b = 1.5000 mm
Wall Thickness, shell/head, internal pressure trb1 = 19.6365 mm
Wall Thickness tb1 = max(trb1, tr16b) = 19.6365 mm
Wall Thickness, shell/head, external pressure trb2 = 1.3402 mm
Wall Thickness tb2 = max(trb2, tr16b) = 1.5000 mm
Wall Thickness per table UG-45 tb3 = 5.2578 mm

Determine Nozzle Thickness candidate [tb]:


= min[ tb3, max( tb1,tb2) ]
= min[ 5.258, max( 19.6365, 1.5 ) ]
= 5.2578 mm

Minimum Wall Thickness of Nozzle Necks [tUG-45]:


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= max( ta, tb )
= max( 0.6386, 5.2578 )
= 5.2578 mm

Available Nozzle Neck Thickness = 5.6200 mm --> OK

Nozzle Junction Minimum Design Metal Temperature (MDMT) Calculations:

Nozzle Neck to Flange Weld, Curve: B

Govrn. thk, tg = 5.62, tr = 0.639, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.114, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for the Nozzle, Curve: B

Govrn. thk, tg = 5.62, tr = 0.639, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.114, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for Reinforcement pad, Curve: B

Govrn. thk, tg = 5.62, tr = 0.639, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.114, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Shell to Pad Weld Junction at Pad OD, Curve: B

Govrn. thk, tg = 24.6, tr = 19.637, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.798, Temp. Reduction = 11 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -1 °C


Min Metal Temp. at Required thickness (UCS 66.1) -13 °C

Nozzle-Shell/Head Weld (UCS-66(a)1(b)), Curve: B

Govrn. thk, tg = 5.62, tr = 0.639, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.114, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Governing MDMT of the Nozzle : -104 °C


Governing MDMT of the Reinforcement Pad : -13 °C
Governing MDMT of all the sub-joints of this Junction : -13 °C

ANSI Flange MDMT including Temperature reduction per UCS-66.1:

Unadjusted MDMT of ANSI B16.5/47 flanges per UCS-66(c) -29 °C


Flange MDMT with Temp reduction per UCS-66(b)(1)(-b) -43 °C
Flange MDMT with Temp reduction per UCS-66(b)(1)(-c) -104 °C

Where the Stress Reduction Ratio per UCS-66(b)(1)(-b) is :


Design Pressure/Ambient Rating = 15.00/19.99 = 0.750

Note:
Using the min value from (b)(1)(-b) and (b)(1)(-c) above as the computed nozzle flange MDMT.

Weld Size Calculations, Description: N1


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Intermediate Calc. for nozzle/shell Welds Tmin 5.6200 mm


Intermediate Calc. for pad/shell Welds TminPad 19.0000 mm

Results Per UW-16.1:


Required Thickness Actual Thickness
Nozzle Weld 3.9340 = 0.7 * tmin. 7.0700 = 0.7 * Wo mm
Pad Weld 9.5000 = 0.5*TminPad 14.1400 = 0.7 * Wp mm

Weld Strength and Weld Loads per UG-41.1, Sketch (a) or (b)

Weld Load [W]:


= max( 0, (A-A1+2*tn*fr1*(E1*t-tr))Sv)
= max( 0, (20.2708 - 4.962 + 2 * 5.62 * 0.855 *
(1.0 * 24.6 - 19.6365 ) )1406)
= 22196.99 kgf

Note: F is always set to 1.0 throughout the calculation.

Weld Load [W1]:


= (A2+A5+A4-(Wi-Can/.707)²*fr2)*Sv
= ( 3.3119 + 22.4364 + 0.855 - 0.0 * 0.86 ) * 1406
= 37407.87 kgf

Weld Load [W2]:


= (A2 + A3 + A4 + (2 * tn * t * fr1)) * Sv
= ( 3.3119 + 0.0 + 0.855 + ( 2.3641 ) ) * 1406
= 9183.47 kgf

Weld Load [W3]:


= (A2+A3+A4+A5+(2*tn*t*fr1))*S
= ( 3.3119 + 0.0 + 0.855 + 22.4364 + ( 2.3641 ) ) * 1406
= 40732.14 kgf

Strength of Connection Elements for Failure Path Analysis

Shear, Outward Nozzle Weld [Sonw]:


= (pi/2) * Dlo * Wo * 0.49 * Snw
= ( 3.1416/2.0 ) * 112.84 * 10.0 * 0.49 * 1202
= 10442. kgf

Shear, Pad Element Weld [Spew]:


= (pi/2) * DP * WP * 0.49 * SEW
= ( 3.1416/2.0 ) * 216.0 * 20.0 * 0.49 * 1406
= 46755. kgf

Shear, Nozzle Wall [Snw]:


= (pi *( Dlr + Dlo )/4 ) * ( Thk - Can ) * 0.7 * Sn
= (3.1416 * 53.61) * ( 5.62 - 0.0 ) * 0.7 * 1202
= 7966. kgf

Tension, Pad Groove Weld [Tpgw]:


= ( pi/2) * Dlo * Wgpn * 0.74 * Seg
= (3.1416/2 ) * 112.84 * 24.83 * 0.74 * 1406
= 45795. kgf

Tension, Shell Groove Weld [Tngw]:


= (pi/2) * Dlo * (Wgnvi-Cas) * 0.74 * Sng
= ( 3.1416/2.0 ) * 112.84 * ( 24.6 - 0.0 ) * 0.74 * 1406
= 45371. kgf

Strength of Failure Paths:

PATH11 = ( SPEW + SNW ) = ( 46755 + 7966 ) = 54721 kgf


PATH22 = ( Sonw + Tpgw + Tngw + Sinw )
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= ( 10442 + 45795 + 45371 + 0 ) = 101608 kgf


PATH33 = ( Spew + Tngw + Sinw )
= ( 46755 + 45371 + 0 ) = 92126 kgf

Summary of Failure Path Calculations:


Path 1-1 = 54720 kgf, must exceed W = 22196 kgf or W1 = 37407 kgf
Path 2-2 = 101607 kgf, must exceed W = 22196 kgf or W2 = 9183 kgf
Path 3-3 = 92125 kgf, must exceed W = 22196 kgf or W3 = 40732 kgf

Maximum Allowable Pressure for this Nozzle at this Location:


Converged Max. Allow. Pressure in Operating case 18.761 kgf/cm²

Note: The MAWP of this junction was limited by the parent Shell/Head.

Nozzle is O.K. for the External Pressure 1.030 kgf/cm²

The Drop for this Nozzle is : 0.8705 mm


The Cut Length for this Nozzle is, Drop + Ho + H + T : 175.4705 mm

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Input, Nozzle Desc: N2 From: 20

Pressure for Reinforcement Calculations P 15.000 kgf/cm²


Temperature for Internal Pressure Temp 60 °C
Design External Pressure Pext 1.03 kgf/cm²
Temperature for External Pressure Tempex 33 °C

Shell Material [Impact Tested] SA-516 70


Shell Allowable Stress at Temperature Sv 1406.14 kgf/cm²
Shell Allowable Stress At Ambient Sva 1406.14 kgf/cm²

Inside Diameter of Cylindrical Shell D 3658.00 mm


Design Length of Section L 17979.8906 mm
Shell Finished (Minimum) Thickness t 24.6000 mm
Shell Internal Corrosion Allowance c 0.0000 mm
Shell External Corrosion Allowance co 0.0000 mm

Distance from Bottom/Left Tangent 120.00 cm

User Entered Minimum Design Metal Temperature -8.00 °C

Type of Element Connected to the Shell : Nozzle

Material SA-106 B
Material UNS Number K03006
Material Specification/Type Smls. pipe
Allowable Stress at Temperature Sn 1202.25 kgf/cm²
Allowable Stress At Ambient Sna 1202.25 kgf/cm²

Diameter Basis (for tr calc only) ID


Layout Angle 90.00 deg
Diameter 6.0000 in.

Size and Thickness Basis Actual


Actual Thickness tn 7.7000 mm

Flange Material SA-105


Flange Type Weld Neck Flange

Corrosion Allowance can 0.0000 mm


Joint Efficiency of Shell Seam at Nozzle E1 1.00
Joint Efficiency of Nozzle Neck En 1.00

Outside Projection ho 150.0000 mm


Weld leg size between Nozzle and Pad/Shell Wo 10.0000 mm
Groove weld depth between Nozzle and Vessel Wgnv 24.6000 mm
Inside Projection h 0.0000 mm
Weld leg size, Inside Element to Shell Wi 0.0000 mm

Pad Material SA-516 70


Pad Allowable Stress at Temperature Sp 1406.14 kgf/cm²
Pad Allowable Stress At Ambient Spa 1406.14 kgf/cm²
Diameter of Pad along vessel surface Dp 216.0000 mm
Thickness of Pad te 28.0000 mm
Weld leg size between Pad and Shell Wp 20.0000 mm
Groove weld depth between Pad and Nozzle Wgpn 24.8300 mm
Reinforcing Pad Width 24.1000 mm

Class of attached Flange 150


Grade of attached Flange GR 1.1

The Pressure Design option was Design Pressure + static head.

Nozzle Sketch (may not represent actual weld type/configuration)


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Insert/Set-in Nozzle With Pad, no Inside projection

Reinforcement CALCULATION, Description: N2

ASME Code, Section VIII, Div. 1, 2017, UG-37 to UG-45

Actual Inside Diameter Used in Calculation 6.000 in.


Actual Thickness Used in Calculation 0.303 in.

Nozzle input data check completed without errors.

Reqd thk per UG-37(a) of Cylindrical Shell, Tr [Int. Press]


= (P*R)/(Sv*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406*1.0-0.6*15.0)
= 19.6365 mm

Reqd thk per UG-37(a) of Nozzle Wall, Trn [Int. Press]


= (P*R)/(Sn*E-0.6*P) per UG-27 (c)(1)
= (15.0*76.2)/(1202*1.0-0.6*15.0)
= 0.9579 mm

Required Nozzle thickness under External Pressure per UG-28 : 0.5073 mm

UG-40, Limits of Reinforcement : [Internal Pressure]


Parallel to Vessel Wall (Diameter Limit) Dl 304.8000 mm
Parallel to Vessel Wall, opening length d 152.4000 mm
Normal to Vessel Wall (Thickness Limit), pad side Tlwp 47.2500 mm

Weld Strength Reduction Factor [fr1]:


= min( 1, Sn/Sv )
= min( 1, 1202.2/1406.1 )
= 0.855

Weld Strength Reduction Factor [fr2]:


= min( 1, Sn/Sv )
= min( 1, 1202.2/1406.1 )
= 0.855

Weld Strength Reduction Factor [fr4]:


= min( 1, Sp/Sv )
= min( 1, 1406.1/1406.1 )
= 1.000

Weld Strength Reduction Factor [fr3]:


= min( fr2, fr4 )
= min( 0.855, 1.0 )
= 0.855

Results of Nozzle Reinforcement Area Calculations: (cm²)

AREA AVAILABLE, A1 to A5 Design External Mapnc


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Area Required Ar 30.365 17.658 NA


Area in Shell A1 7.453 2.645 NA
Area in Nozzle Wall A2 5.447 5.811 NA
Area in Inward Nozzle A3 0.000 0.000 NA
Area in Welds A41+A42+A43 4.855 4.855 NA
Area in Element A5 13.496 13.496 NA
TOTAL AREA AVAILABLE Atot 31.252 26.807 NA

The Internal Pressure Case Governs the Analysis.

Nozzle Angle Used in Area Calculations 90.00 Degs.

The area available without a pad is Insufficient.


The area available with the given pad is Sufficient.

SELECTION OF POSSIBLE REINFORCING PADS: Diameter Thickness


Based on given Pad Thickness: 212.8309 28.0000 mm
Based on given Pad Diameter: 216.0000 26.1590 mm
Based on the Estimated Diameter Limit: 303.2125 9.3113 mm

Area Required [A]:


= ( d * tr*F + 2 * tn * tr*F * (1-fr1) ) UG-37(c)
= (152.4*19.6365*1.0+2*7.7*19.6365*1.0*(1-0.86))
= 30.365 cm²

Reinforcement Areas per Figure UG-37.1

Area Available in Shell [A1]:


= d( E1*t - F*tr ) - 2 * tn( E1*t - F*tr ) * ( 1 - fr1 )
= 152.4( 1.0 * 24.6 - 1.0 * 19.637 ) - 2 * 7.7
( 1.0 * 24.6 - 1.0 * 19.6365 ) * ( 1 - 0.855 )
= 7.453 cm²

Area Available in Nozzle Wall Projecting Outward [A2]:


= ( 2 * Tlwp ) * ( tn - trn ) * fr2
= ( 2 * 47.25 ) * ( 7.7 - 0.96 ) * 0.855
= 5.447 cm²

Area Available in Welds [A41 + A42 + A43]:


= Wo² * fr3 + (Wi-can/0.707)² * fr2 + Wp² * fr4
= 10.0² * 0.86 + (0.0)² * 0.86 + 20.0² * 1.0
= 4.855 cm²

Area Available in Element [A5]:


= (min(Dp,DL)-(Nozzle OD))*(min(tp,Tlwp,te)) * fr4
= ( 216.0 - 167.8 ) * 28.0 * 1.0
= 13.496 cm²

UG-45 Minimum Nozzle Neck Thickness Requirement: [Int. Press.]


Wall Thickness for Internal/External pressures ta = 0.9579 mm
Wall Thickness per UG16(b), tr16b = 1.5000 mm
Wall Thickness, shell/head, internal pressure trb1 = 19.6365 mm
Wall Thickness tb1 = max(trb1, tr16b) = 19.6365 mm
Wall Thickness, shell/head, external pressure trb2 = 1.3402 mm
Wall Thickness tb2 = max(trb2, tr16b) = 1.5000 mm
Wall Thickness per table UG-45 tb3 = 6.2200 mm

Determine Nozzle Thickness candidate [tb]:


= min[ tb3, max( tb1,tb2) ]
= min[ 6.22, max( 19.6365, 1.5 ) ]
= 6.2200 mm

Minimum Wall Thickness of Nozzle Necks [tUG-45]:


= max( ta, tb )
= max( 0.9579, 6.22 )
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= 6.2200 mm

Available Nozzle Neck Thickness = 7.7000 mm --> OK

Nozzle Junction Minimum Design Metal Temperature (MDMT) Calculations:

Nozzle Neck to Flange Weld, Curve: B

Govrn. thk, tg = 7.7, tr = 0.958, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.124, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for the Nozzle, Curve: B

Govrn. thk, tg = 7.7, tr = 0.958, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.124, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for Reinforcement pad, Curve: B

Govrn. thk, tg = 7.7, tr = 0.958, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.124, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Shell to Pad Weld Junction at Pad OD, Curve: B

Govrn. thk, tg = 24.6, tr = 19.637, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.798, Temp. Reduction = 11 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -1 °C


Min Metal Temp. at Required thickness (UCS 66.1) -13 °C

Nozzle-Shell/Head Weld (UCS-66(a)1(b)), Curve: B

Govrn. thk, tg = 7.7, tr = 0.958, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.124, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Governing MDMT of the Nozzle : -104 °C


Governing MDMT of the Reinforcement Pad : -13 °C
Governing MDMT of all the sub-joints of this Junction : -13 °C

ANSI Flange MDMT including Temperature reduction per UCS-66.1:

Unadjusted MDMT of ANSI B16.5/47 flanges per UCS-66(c) -29 °C


Flange MDMT with Temp reduction per UCS-66(b)(1)(-b) -43 °C
Flange MDMT with Temp reduction per UCS-66(b)(1)(-c) -104 °C

Where the Stress Reduction Ratio per UCS-66(b)(1)(-b) is :


Design Pressure/Ambient Rating = 15.00/19.99 = 0.750

Note:
Using the min value from (b)(1)(-b) and (b)(1)(-c) above as the computed nozzle flange MDMT.

Weld Size Calculations, Description: N2

Intermediate Calc. for nozzle/shell Welds Tmin 7.7000 mm


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Intermediate Calc. for pad/shell Welds TminPad 19.0000 mm

Results Per UW-16.1:


Required Thickness Actual Thickness
Nozzle Weld 5.3900 = 0.7 * tmin. 7.0700 = 0.7 * Wo mm
Pad Weld 9.5000 = 0.5*TminPad 14.1400 = 0.7 * Wp mm

Weld Strength and Weld Loads per UG-41.1, Sketch (a) or (b)

Weld Load [W]:


= max( 0, (A-A1+2*tn*fr1*(E1*t-tr))Sv)
= max( 0, (30.3646 - 7.4535 + 2 * 7.7 * 0.855 *
(1.0 * 24.6 - 19.6365 ) )1406)
= 33135.14 kgf

Note: F is always set to 1.0 throughout the calculation.

Weld Load [W1]:


= (A2+A5+A4-(Wi-Can/.707)²*fr2)*Sv
= ( 5.4475 + 13.496 + 4.855 - 0.0 * 0.86 ) * 1406
= 33463.91 kgf

Weld Load [W2]:


= (A2 + A3 + A4 + (2 * tn * t * fr1)) * Sv
= ( 5.4475 + 0.0 + 0.855 + ( 3.2391 ) ) * 1406
= 13416.72 kgf

Weld Load [W3]:


= (A2+A3+A4+A5+(2*tn*t*fr1))*S
= ( 5.4475 + 0.0 + 4.855 + 13.496 + ( 3.2391 ) ) * 1406
= 38018.51 kgf

Strength of Connection Elements for Failure Path Analysis

Shear, Outward Nozzle Weld [Sonw]:


= (pi/2) * Dlo * Wo * 0.49 * Snw
= ( 3.1416/2.0 ) * 167.8 * 10.0 * 0.49 * 1202
= 15528. kgf

Shear, Pad Element Weld [Spew]:


= (pi/2) * DP * WP * 0.49 * SEW
= ( 3.1416/2.0 ) * 216.0 * 20.0 * 0.49 * 1406
= 46755. kgf

Shear, Nozzle Wall [Snw]:


= (pi *( Dlr + Dlo )/4 ) * ( Thk - Can ) * 0.7 * Sn
= (3.1416 * 80.05) * ( 7.7 - 0.0 ) * 0.7 * 1202
= 16296. kgf

Tension, Pad Groove Weld [Tpgw]:


= ( pi/2) * Dlo * Wgpn * 0.74 * Seg
= (3.1416/2 ) * 167.8 * 24.83 * 0.74 * 1406
= 68100. kgf

Tension, Shell Groove Weld [Tngw]:


= (pi/2) * Dlo * (Wgnvi-Cas) * 0.74 * Sng
= ( 3.1416/2.0 ) * 167.8 * ( 24.6 - 0.0 ) * 0.74 * 1406
= 67469. kgf

Strength of Failure Paths:

PATH11 = ( SPEW + SNW ) = ( 46755 + 16296 ) = 63051 kgf


PATH22 = ( Sonw + Tpgw + Tngw + Sinw )
= ( 15528 + 68100 + 67469 + 0 ) = 151097 kgf
PATH33 = ( Spew + Tngw + Sinw )
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= ( 46755 + 67469 + 0 ) = 114224 kgf

Summary of Failure Path Calculations:


Path 1-1 = 63051 kgf, must exceed W = 33135 kgf or W1 = 33463 kgf
Path 2-2 = 151097 kgf, must exceed W = 33135 kgf or W2 = 13416 kgf
Path 3-3 = 114224 kgf, must exceed W = 33135 kgf or W3 = 38018 kgf

Maximum Allowable Pressure for this Nozzle at this Location:


Converged Max. Allow. Pressure in Operating case 15.218 kgf/cm²

Nozzle is O.K. for the External Pressure 1.030 kgf/cm²

The Drop for this Nozzle is : 1.9253 mm


The Cut Length for this Nozzle is, Drop + Ho + H + T : 176.5253 mm

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Input, Nozzle Desc: N18 From: 20

Pressure for Reinforcement Calculations P 15.000 kgf/cm²


Temperature for Internal Pressure Temp 60 °C
Design External Pressure Pext 1.03 kgf/cm²
Temperature for External Pressure Tempex 33 °C

Shell Material [Impact Tested] SA-516 70


Shell Allowable Stress at Temperature Sv 1406.14 kgf/cm²
Shell Allowable Stress At Ambient Sva 1406.14 kgf/cm²

Inside Diameter of Cylindrical Shell D 3658.00 mm


Design Length of Section L 17979.8906 mm
Shell Finished (Minimum) Thickness t 24.6000 mm
Shell Internal Corrosion Allowance c 0.0000 mm
Shell External Corrosion Allowance co 0.0000 mm

Distance from Bottom/Left Tangent 40.00 cm

User Entered Minimum Design Metal Temperature -8.00 °C

Type of Element Connected to the Shell : Nozzle

Material SA-106 B
Material UNS Number K03006
Material Specification/Type Smls. pipe
Allowable Stress at Temperature Sn 1202.25 kgf/cm²
Allowable Stress At Ambient Sna 1202.25 kgf/cm²

Diameter Basis (for tr calc only) ID


Layout Angle 270.00 deg
Diameter 6.0000 in.

Size and Thickness Basis Actual


Actual Thickness tn 7.7800 mm

Flange Material SA-105


Flange Type Weld Neck Flange

Corrosion Allowance can 0.0000 mm


Joint Efficiency of Shell Seam at Nozzle E1 1.00
Joint Efficiency of Nozzle Neck En 1.00

Outside Projection ho 150.0000 mm


Weld leg size between Nozzle and Pad/Shell Wo 10.0000 mm
Groove weld depth between Nozzle and Vessel Wgnv 24.6000 mm
Inside Projection h 0.0000 mm
Weld leg size, Inside Element to Shell Wi 0.0000 mm

Pad Material SA-516 70


Pad Allowable Stress at Temperature Sp 1406.14 kgf/cm²
Pad Allowable Stress At Ambient Spa 1406.14 kgf/cm²
Diameter of Pad along vessel surface Dp 216.0000 mm
Thickness of Pad te 28.0000 mm
Weld leg size between Pad and Shell Wp 20.0000 mm
Groove weld depth between Pad and Nozzle Wgpn 24.8000 mm
Reinforcing Pad Width 24.0200 mm

Class of attached Flange 150


Grade of attached Flange GR 1.1

The Pressure Design option was Design Pressure + static head.

Nozzle Sketch (may not represent actual weld type/configuration)


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Insert/Set-in Nozzle With Pad, no Inside projection

Reinforcement CALCULATION, Description: N18

ASME Code, Section VIII, Div. 1, 2017, UG-37 to UG-45

Actual Inside Diameter Used in Calculation 6.000 in.


Actual Thickness Used in Calculation 0.306 in.

Nozzle input data check completed without errors.

Reqd thk per UG-37(a) of Cylindrical Shell, Tr [Int. Press]


= (P*R)/(Sv*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406*1.0-0.6*15.0)
= 19.6365 mm

Reqd thk per UG-37(a) of Nozzle Wall, Trn [Int. Press]


= (P*R)/(Sn*E-0.6*P) per UG-27 (c)(1)
= (15.0*76.2)/(1202*1.0-0.6*15.0)
= 0.9579 mm

Required Nozzle thickness under External Pressure per UG-28 : 0.5076 mm

UG-40, Limits of Reinforcement : [Internal Pressure]


Parallel to Vessel Wall (Diameter Limit) Dl 304.8000 mm
Parallel to Vessel Wall, opening length d 152.4000 mm
Normal to Vessel Wall (Thickness Limit), pad side Tlwp 47.4500 mm

Weld Strength Reduction Factor [fr1]:


= min( 1, Sn/Sv )
= min( 1, 1202.2/1406.1 )
= 0.855

Weld Strength Reduction Factor [fr2]:


= min( 1, Sn/Sv )
= min( 1, 1202.2/1406.1 )
= 0.855

Weld Strength Reduction Factor [fr4]:


= min( 1, Sp/Sv )
= min( 1, 1406.1/1406.1 )
= 1.000

Weld Strength Reduction Factor [fr3]:


= min( fr2, fr4 )
= min( 0.855, 1.0 )
= 0.855

Results of Nozzle Reinforcement Area Calculations: (cm²)

AREA AVAILABLE, A1 to A5 Design External Mapnc


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Area Required Ar 30.369 17.661 NA


Area in Shell A1 7.452 2.644 NA
Area in Nozzle Wall A2 5.535 5.901 NA
Area in Inward Nozzle A3 0.000 0.000 NA
Area in Welds A41+A42+A43 4.855 4.855 NA
Area in Element A5 13.451 13.451 NA
TOTAL AREA AVAILABLE Atot 31.294 26.851 NA

The Internal Pressure Case Governs the Analysis.

Nozzle Angle Used in Area Calculations 90.00 Degs.

The area available without a pad is Insufficient.


The area available with the given pad is Sufficient.

SELECTION OF POSSIBLE REINFORCING PADS: Diameter Thickness


Based on given Pad Thickness: 212.6971 28.0000 mm
Based on given Pad Diameter: 216.0000 26.0749 mm
Based on the Estimated Diameter Limit: 303.2125 9.2615 mm

Area Required [A]:


= ( d * tr*F + 2 * tn * tr*F * (1-fr1) ) UG-37(c)
= (152.4*19.6365*1.0+2*7.78*19.6365*1.0*(1-0.86))
= 30.369 cm²

Reinforcement Areas per Figure UG-37.1

Area Available in Shell [A1]:


= d( E1*t - F*tr ) - 2 * tn( E1*t - F*tr ) * ( 1 - fr1 )
= 152.4( 1.0 * 24.6 - 1.0 * 19.637 ) - 2 * 7.78
( 1.0 * 24.6 - 1.0 * 19.6365 ) * ( 1 - 0.855 )
= 7.452 cm²

Area Available in Nozzle Wall Projecting Outward [A2]:


= ( 2 * Tlwp ) * ( tn - trn ) * fr2
= ( 2 * 47.45 ) * ( 7.78 - 0.96 ) * 0.855
= 5.535 cm²

Area Available in Welds [A41 + A42 + A43]:


= Wo² * fr3 + (Wi-can/0.707)² * fr2 + Wp² * fr4
= 10.0² * 0.86 + (0.0)² * 0.86 + 20.0² * 1.0
= 4.855 cm²

Area Available in Element [A5]:


= (min(Dp,DL)-(Nozzle OD))*(min(tp,Tlwp,te)) * fr4
= ( 216.0 - 167.96 ) * 28.0 * 1.0
= 13.451 cm²

UG-45 Minimum Nozzle Neck Thickness Requirement: [Int. Press.]


Wall Thickness for Internal/External pressures ta = 0.9579 mm
Wall Thickness per UG16(b), tr16b = 1.5000 mm
Wall Thickness, shell/head, internal pressure trb1 = 19.6365 mm
Wall Thickness tb1 = max(trb1, tr16b) = 19.6365 mm
Wall Thickness, shell/head, external pressure trb2 = 1.3402 mm
Wall Thickness tb2 = max(trb2, tr16b) = 1.5000 mm
Wall Thickness per table UG-45 tb3 = 6.2200 mm

Determine Nozzle Thickness candidate [tb]:


= min[ tb3, max( tb1,tb2) ]
= min[ 6.22, max( 19.6365, 1.5 ) ]
= 6.2200 mm

Minimum Wall Thickness of Nozzle Necks [tUG-45]:


= max( ta, tb )
= max( 0.9579, 6.22 )
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= 6.2200 mm

Available Nozzle Neck Thickness = 7.7800 mm --> OK

Nozzle Junction Minimum Design Metal Temperature (MDMT) Calculations:

Nozzle Neck to Flange Weld, Curve: B

Govrn. thk, tg = 7.78, tr = 0.958, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.123, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for the Nozzle, Curve: B

Govrn. thk, tg = 7.78, tr = 0.958, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.123, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for Reinforcement pad, Curve: B

Govrn. thk, tg = 7.78, tr = 0.958, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.123, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Shell to Pad Weld Junction at Pad OD, Curve: B

Govrn. thk, tg = 24.6, tr = 19.637, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.798, Temp. Reduction = 11 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -1 °C


Min Metal Temp. at Required thickness (UCS 66.1) -13 °C

Nozzle-Shell/Head Weld (UCS-66(a)1(b)), Curve: B

Govrn. thk, tg = 7.78, tr = 0.958, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.123, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Governing MDMT of the Nozzle : -104 °C


Governing MDMT of the Reinforcement Pad : -13 °C
Governing MDMT of all the sub-joints of this Junction : -13 °C

ANSI Flange MDMT including Temperature reduction per UCS-66.1:

Unadjusted MDMT of ANSI B16.5/47 flanges per UCS-66(c) -29 °C


Flange MDMT with Temp reduction per UCS-66(b)(1)(-b) -43 °C
Flange MDMT with Temp reduction per UCS-66(b)(1)(-c) -104 °C

Where the Stress Reduction Ratio per UCS-66(b)(1)(-b) is :


Design Pressure/Ambient Rating = 15.00/19.99 = 0.750

Note:
Using the min value from (b)(1)(-b) and (b)(1)(-c) above as the computed nozzle flange MDMT.

Weld Size Calculations, Description: N18

Intermediate Calc. for nozzle/shell Welds Tmin 7.7800 mm


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Intermediate Calc. for pad/shell Welds TminPad 19.0000 mm

Results Per UW-16.1:


Required Thickness Actual Thickness
Nozzle Weld 5.4460 = 0.7 * tmin. 7.0700 = 0.7 * Wo mm
Pad Weld 9.5000 = 0.5*TminPad 14.1400 = 0.7 * Wp mm

Weld Strength and Weld Loads per UG-41.1, Sketch (a) or (b)

Weld Load [W]:


= max( 0, (A-A1+2*tn*fr1*(E1*t-tr))Sv)
= max( 0, (30.3691 - 7.4523 + 2 * 7.78 * 0.855 *
(1.0 * 24.6 - 19.6365 ) )1406)
= 33152.71 kgf

Note: F is always set to 1.0 throughout the calculation.

Weld Load [W1]:


= (A2+A5+A4-(Wi-Can/.707)²*fr2)*Sv
= ( 5.5354 + 13.4512 + 4.855 - 0.0 * 0.86 ) * 1406
= 33524.62 kgf

Weld Load [W2]:


= (A2 + A3 + A4 + (2 * tn * t * fr1)) * Sv
= ( 5.5354 + 0.0 + 0.855 + ( 3.2727 ) ) * 1406
= 13587.74 kgf

Weld Load [W3]:


= (A2+A3+A4+A5+(2*tn*t*fr1))*S
= ( 5.5354 + 0.0 + 4.855 + 13.4512 + ( 3.2727 ) ) * 1406
= 38126.54 kgf

Strength of Connection Elements for Failure Path Analysis

Shear, Outward Nozzle Weld [Sonw]:


= (pi/2) * Dlo * Wo * 0.49 * Snw
= ( 3.1416/2.0 ) * 167.96 * 10.0 * 0.49 * 1202
= 15542. kgf

Shear, Pad Element Weld [Spew]:


= (pi/2) * DP * WP * 0.49 * SEW
= ( 3.1416/2.0 ) * 216.0 * 20.0 * 0.49 * 1406
= 46755. kgf

Shear, Nozzle Wall [Snw]:


= (pi *( Dlr + Dlo )/4 ) * ( Thk - Can ) * 0.7 * Sn
= (3.1416 * 80.09) * ( 7.78 - 0.0 ) * 0.7 * 1202
= 16474. kgf

Tension, Pad Groove Weld [Tpgw]:


= ( pi/2) * Dlo * Wgpn * 0.74 * Seg
= (3.1416/2 ) * 167.96 * 24.8 * 0.74 * 1406
= 68083. kgf

Tension, Shell Groove Weld [Tngw]:


= (pi/2) * Dlo * (Wgnvi-Cas) * 0.74 * Sng
= ( 3.1416/2.0 ) * 167.96 * ( 24.6 - 0.0 ) * 0.74 * 1406
= 67534. kgf

Strength of Failure Paths:

PATH11 = ( SPEW + SNW ) = ( 46755 + 16474 ) = 63229 kgf


PATH22 = ( Sonw + Tpgw + Tngw + Sinw )
= ( 15542 + 68083 + 67534 + 0 ) = 151159 kgf
PATH33 = ( Spew + Tngw + Sinw )
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= ( 46755 + 67534 + 0 ) = 114289 kgf

Summary of Failure Path Calculations:


Path 1-1 = 63228 kgf, must exceed W = 33152 kgf or W1 = 33524 kgf
Path 2-2 = 151158 kgf, must exceed W = 33152 kgf or W2 = 13587 kgf
Path 3-3 = 114288 kgf, must exceed W = 33152 kgf or W3 = 38126 kgf

Maximum Allowable Pressure for this Nozzle at this Location:


Converged Max. Allow. Pressure in Operating case 15.227 kgf/cm²

Nozzle is O.K. for the External Pressure 1.030 kgf/cm²

The Drop for this Nozzle is : 1.9290 mm


The Cut Length for this Nozzle is, Drop + Ho + H + T : 176.5290 mm

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Input, Nozzle Desc: N3 From: 30

Pressure for Reinforcement Calculations P 15.000 kgf/cm²


Temperature for Internal Pressure Temp 60 °C
Design External Pressure Pext 1.03 kgf/cm²
Temperature for External Pressure Tempex 33 °C

Shell Material [Impact Tested] SA-516 70


Shell Allowable Stress at Temperature Sv 1406.14 kgf/cm²
Shell Allowable Stress At Ambient Sva 1406.14 kgf/cm²

Inside Diameter of Cylindrical Shell D 3658.00 mm


Design Length of Section L 17979.8906 mm
Shell Finished (Minimum) Thickness t 24.7800 mm
Shell Internal Corrosion Allowance c 0.0000 mm
Shell External Corrosion Allowance co 0.0000 mm

Distance from Bottom/Left Tangent 226.30 cm

User Entered Minimum Design Metal Temperature -8.00 °C

Type of Element Connected to the Shell : Nozzle

Material SA-106 B
Material UNS Number K03006
Material Specification/Type Smls. pipe
Allowable Stress at Temperature Sn 1202.25 kgf/cm²
Allowable Stress At Ambient Sna 1202.25 kgf/cm²

Diameter Basis (for tr calc only) ID


Layout Angle 90.00 deg
Diameter 6.0000 in.

Size and Thickness Basis Actual


Actual Thickness tn 7.0300 mm

Flange Material SA-105


Flange Type Weld Neck Flange

Corrosion Allowance can 0.0000 mm


Joint Efficiency of Shell Seam at Nozzle E1 1.00
Joint Efficiency of Nozzle Neck En 1.00

Outside Projection ho 150.0000 mm


Weld leg size between Nozzle and Pad/Shell Wo 10.0000 mm
Groove weld depth between Nozzle and Vessel Wgnv 24.7800 mm
Inside Projection h 0.0000 mm
Weld leg size, Inside Element to Shell Wi 0.0000 mm

Pad Material SA-516 70


Pad Allowable Stress at Temperature Sp 1406.14 kgf/cm²
Pad Allowable Stress At Ambient Spa 1406.14 kgf/cm²
Diameter of Pad along vessel surface Dp 250.0000 mm
Thickness of Pad te 24.8000 mm
Weld leg size between Pad and Shell Wp 20.0000 mm
Groove weld depth between Pad and Nozzle Wgpn 24.7800 mm
Reinforcing Pad Width 41.7700 mm

Class of attached Flange 150


Grade of attached Flange GR 1.1

The Pressure Design option was Design Pressure + static head.

Nozzle Sketch (may not represent actual weld type/configuration)


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Insert/Set-in Nozzle With Pad, no Inside projection

Reinforcement CALCULATION, Description: N3

ASME Code, Section VIII, Div. 1, 2017, UG-37 to UG-45

Actual Inside Diameter Used in Calculation 6.000 in.


Actual Thickness Used in Calculation 0.277 in.

Nozzle input data check completed without errors.

Reqd thk per UG-37(a) of Cylindrical Shell, Tr [Int. Press]


= (P*R)/(Sv*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406*1.0-0.6*15.0)
= 19.6365 mm

Reqd thk per UG-37(a) of Nozzle Wall, Trn [Int. Press]


= (P*R)/(Sn*E-0.6*P) per UG-27 (c)(1)
= (15.0*76.2)/(1202*1.0-0.6*15.0)
= 0.9579 mm

Required Nozzle thickness under External Pressure per UG-28 : 0.5050 mm

UG-40, Limits of Reinforcement : [Internal Pressure]


Parallel to Vessel Wall (Diameter Limit) Dl 304.8000 mm
Parallel to Vessel Wall, opening length d 152.4000 mm
Normal to Vessel Wall (Thickness Limit), pad side Tlwp 42.3750 mm

Weld Strength Reduction Factor [fr1]:


= min( 1, Sn/Sv )
= min( 1, 1202.2/1406.1 )
= 0.855

Weld Strength Reduction Factor [fr2]:


= min( 1, Sn/Sv )
= min( 1, 1202.2/1406.1 )
= 0.855

Weld Strength Reduction Factor [fr4]:


= min( 1, Sp/Sv )
= min( 1, 1406.1/1406.1 )
= 1.000

Weld Strength Reduction Factor [fr3]:


= min( fr2, fr4 )
= min( 0.855, 1.0 )
= 0.855

Results of Nozzle Reinforcement Area Calculations: (cm²)

AREA AVAILABLE, A1 to A5 Design External Mapnc


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Area Required Ar 30.326 17.637 NA


Area in Shell A1 7.734 2.917 NA
Area in Nozzle Wall A2 4.400 4.728 NA
Area in Inward Nozzle A3 0.000 0.000 NA
Area in Welds A41+A42+A43 4.855 4.855 NA
Area in Element A5 20.718 20.718 NA
TOTAL AREA AVAILABLE Atot 37.707 33.218 NA

The Internal Pressure Case Governs the Analysis.

Nozzle Angle Used in Area Calculations 90.00 Degs.

The area available without a pad is Insufficient.


The area available with the given pad is Sufficient.

SELECTION OF POSSIBLE REINFORCING PADS: Diameter Thickness


Based on given Pad Thickness: 220.2411 24.8000 mm
Based on given Pad Diameter: 250.0000 15.9657 mm
Based on the Estimated Diameter Limit: 303.2125 9.7532 mm

Area Required [A]:


= ( d * tr*F + 2 * tn * tr*F * (1-fr1) ) UG-37(c)
= (152.4*19.6365*1.0+2*7.03*19.6365*1.0*(1-0.86))
= 30.326 cm²

Reinforcement Areas per Figure UG-37.1

Area Available in Shell [A1]:


= d( E1*t - F*tr ) - 2 * tn( E1*t - F*tr ) * ( 1 - fr1 )
= 152.4( 1.0 * 24.78 - 1.0 * 19.637 ) - 2 * 7.03
( 1.0 * 24.78 - 1.0 * 19.6365 ) * ( 1 - 0.855 )
= 7.734 cm²

Area Available in Nozzle Wall Projecting Outward [A2]:


= ( 2 * Tlwp ) * ( tn - trn ) * fr2
= ( 2 * 42.38 ) * ( 7.03 - 0.96 ) * 0.855
= 4.400 cm²

Area Available in Welds [A41 + A42 + A43]:


= Wo² * fr3 + (Wi-can/0.707)² * fr2 + Wp² * fr4
= 10.0² * 0.86 + (0.0)² * 0.86 + 20.0² * 1.0
= 4.855 cm²

Area Available in Element [A5]:


= (min(Dp,DL)-(Nozzle OD))*(min(tp,Tlwp,te)) * fr4
= ( 250.0 - 166.46 ) * 24.8 * 1.0
= 20.718 cm²

UG-45 Minimum Nozzle Neck Thickness Requirement: [Int. Press.]


Wall Thickness for Internal/External pressures ta = 0.9579 mm
Wall Thickness per UG16(b), tr16b = 1.5000 mm
Wall Thickness, shell/head, internal pressure trb1 = 19.6365 mm
Wall Thickness tb1 = max(trb1, tr16b) = 19.6365 mm
Wall Thickness, shell/head, external pressure trb2 = 1.3402 mm
Wall Thickness tb2 = max(trb2, tr16b) = 1.5000 mm
Wall Thickness per table UG-45 tb3 = 6.2200 mm

Determine Nozzle Thickness candidate [tb]:


= min[ tb3, max( tb1,tb2) ]
= min[ 6.22, max( 19.6365, 1.5 ) ]
= 6.2200 mm

Minimum Wall Thickness of Nozzle Necks [tUG-45]:


= max( ta, tb )
= max( 0.9579, 6.22 )
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= 6.2200 mm

Available Nozzle Neck Thickness = 7.0300 mm --> OK

Nozzle Junction Minimum Design Metal Temperature (MDMT) Calculations:

Nozzle Neck to Flange Weld, Curve: B

Govrn. thk, tg = 7.03, tr = 0.958, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.136, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for the Nozzle, Curve: B

Govrn. thk, tg = 7.03, tr = 0.958, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.136, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for Reinforcement pad, Curve: B

Govrn. thk, tg = 7.03, tr = 0.958, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.136, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Shell to Pad Weld Junction at Pad OD, Curve: B

Govrn. thk, tg = 24.78, tr = 19.637, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.792, Temp. Reduction = 12 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -1 °C


Min Metal Temp. at Required thickness (UCS 66.1) -13 °C

Nozzle-Shell/Head Weld (UCS-66(a)1(b)), Curve: B

Govrn. thk, tg = 7.03, tr = 0.958, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.136, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Governing MDMT of the Nozzle : -104 °C


Governing MDMT of the Reinforcement Pad : -13 °C
Governing MDMT of all the sub-joints of this Junction : -13 °C

ANSI Flange MDMT including Temperature reduction per UCS-66.1:

Unadjusted MDMT of ANSI B16.5/47 flanges per UCS-66(c) -29 °C


Flange MDMT with Temp reduction per UCS-66(b)(1)(-b) -43 °C
Flange MDMT with Temp reduction per UCS-66(b)(1)(-c) -104 °C

Where the Stress Reduction Ratio per UCS-66(b)(1)(-b) is :


Design Pressure/Ambient Rating = 15.00/19.99 = 0.750

Note:
Using the min value from (b)(1)(-b) and (b)(1)(-c) above as the computed nozzle flange MDMT.

Weld Size Calculations, Description: N3

Intermediate Calc. for nozzle/shell Welds Tmin 7.0300 mm


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Intermediate Calc. for pad/shell Welds TminPad 19.0000 mm

Results Per UW-16.1:


Required Thickness Actual Thickness
Nozzle Weld 4.9210 = 0.7 * tmin. 7.0700 = 0.7 * Wo mm
Pad Weld 9.5000 = 0.5*TminPad 14.1400 = 0.7 * Wp mm

Weld Strength and Weld Loads per UG-41.1, Sketch (a) or (b)

Weld Load [W]:


= max( 0, (A-A1+2*tn*fr1*(E1*t-tr))Sv)
= max( 0, (30.3264 - 7.7338 + 2 * 7.03 * 0.855 *
(1.0 * 24.78 - 19.6365 ) )1406)
= 32637.82 kgf

Note: F is always set to 1.0 throughout the calculation.

Weld Load [W1]:


= (A2+A5+A4-(Wi-Can/.707)²*fr2)*Sv
= ( 4.3999 + 20.7179 + 4.855 - 0.0 * 0.86 ) * 1406
= 42145.96 kgf

Weld Load [W2]:


= (A2 + A3 + A4 + (2 * tn * t * fr1)) * Sv
= ( 4.3999 + 0.0 + 0.855 + ( 2.9789 ) ) * 1406
= 11577.87 kgf

Weld Load [W3]:


= (A2+A3+A4+A5+(2*tn*t*fr1))*S
= ( 4.3999 + 0.0 + 4.855 + 20.7179 + ( 2.9789 ) ) * 1406
= 46334.68 kgf

Strength of Connection Elements for Failure Path Analysis

Shear, Outward Nozzle Weld [Sonw]:


= (pi/2) * Dlo * Wo * 0.49 * Snw
= ( 3.1416/2.0 ) * 166.46 * 10.0 * 0.49 * 1202
= 15404. kgf

Shear, Pad Element Weld [Spew]:


= (pi/2) * DP * WP * 0.49 * SEW
= ( 3.1416/2.0 ) * 250.0 * 20.0 * 0.49 * 1406
= 54115. kgf

Shear, Nozzle Wall [Snw]:


= (pi *( Dlr + Dlo )/4 ) * ( Thk - Can ) * 0.7 * Sn
= (3.1416 * 79.715) * ( 7.03 - 0.0 ) * 0.7 * 1202
= 14816. kgf

Tension, Pad Groove Weld [Tpgw]:


= ( pi/2) * Dlo * Wgpn * 0.74 * Seg
= (3.1416/2 ) * 166.46 * 24.78 * 0.74 * 1406
= 67420. kgf

Tension, Shell Groove Weld [Tngw]:


= (pi/2) * Dlo * (Wgnvi-Cas) * 0.74 * Sng
= ( 3.1416/2.0 ) * 166.46 * ( 24.78 - 0.0 ) * 0.74 * 1406
= 67420. kgf

Strength of Failure Paths:

PATH11 = ( SPEW + SNW ) = ( 54115 + 14816 ) = 68931 kgf


PATH22 = ( Sonw + Tpgw + Tngw + Sinw )
= ( 15404 + 67420 + 67420 + 0 ) = 150244 kgf
PATH33 = ( Spew + Tngw + Sinw )
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= ( 54115 + 67420 + 0 ) = 121535 kgf

Summary of Failure Path Calculations:


Path 1-1 = 68930 kgf, must exceed W = 32637 kgf or W1 = 42145 kgf
Path 2-2 = 150244 kgf, must exceed W = 32637 kgf or W2 = 11577 kgf
Path 3-3 = 121534 kgf, must exceed W = 32637 kgf or W3 = 46334 kgf

Maximum Allowable Pressure for this Nozzle at this Location:


Converged Max. Allow. Pressure in Operating case 16.815 kgf/cm²

Nozzle is O.K. for the External Pressure 1.030 kgf/cm²

The Drop for this Nozzle is : 1.8947 mm


The Cut Length for this Nozzle is, Drop + Ho + H + T : 176.6747 mm

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Input, Nozzle Desc: MH1 From: 50

Pressure for Reinforcement Calculations P 15.000 kgf/cm²


Temperature for Internal Pressure Temp 60 °C
Design External Pressure Pext 1.03 kgf/cm²
Temperature for External Pressure Tempex 33 °C

Shell Material [Impact Tested] SA-516 70


Shell Allowable Stress at Temperature Sv 1406.14 kgf/cm²
Shell Allowable Stress At Ambient Sva 1406.14 kgf/cm²

Inside Diameter of Cylindrical Shell D 3658.00 mm


Design Length of Section L 17979.8906 mm
Shell Finished (Minimum) Thickness t 28.2000 mm
Shell Internal Corrosion Allowance c 0.0000 mm
Shell External Corrosion Allowance co 0.0000 mm

Distance from Bottom/Left Tangent 678.90 cm

User Entered Minimum Design Metal Temperature -8.00 °C

Type of Element Connected to the Shell : Nozzle

Material SA-106 B
Material UNS Number K03006
Material Specification/Type Smls. pipe
Allowable Stress at Temperature Sn 1202.25 kgf/cm²
Allowable Stress At Ambient Sna 1202.25 kgf/cm²

Diameter Basis (for tr calc only) ID


Layout Angle 90.00 deg
Diameter 20.0000 in.

Size and Thickness Basis Actual


Actual Thickness tn 24.5000 mm

Flange Material SA-105


Flange Type Weld Neck Flange

Corrosion Allowance can 0.0000 mm


Joint Efficiency of Shell Seam at Nozzle E1 1.00
Joint Efficiency of Nozzle Neck En 1.00

Outside Projection ho 150.0000 mm


Weld leg size between Nozzle and Pad/Shell Wo 10.0000 mm
Groove weld depth between Nozzle and Vessel Wgnv 24.7900 mm
Inside Projection h 0.0000 mm
Weld leg size, Inside Element to Shell Wi 0.0000 mm

Pad Material SA-516 70


Pad Allowable Stress at Temperature Sp 1406.14 kgf/cm²
Pad Allowable Stress At Ambient Spa 1406.14 kgf/cm²
Diameter of Pad along vessel surface Dp 754.0000 mm
Thickness of Pad te 24.7900 mm
Weld leg size between Pad and Shell Wp 20.0000 mm
Groove weld depth between Pad and Nozzle Wgpn 24.7900 mm
Reinforcing Pad Width 98.5000 mm
This is a Manway or Access Opening.

Class of attached Flange 150


Grade of attached Flange GR 1.1

The Pressure Design option was Design Pressure + static head.


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Nozzle Sketch (may not represent actual weld type/configuration)

Insert/Set-in Nozzle With Pad, no Inside projection

Reinforcement CALCULATION, Description: MH1

ASME Code, Section VIII, Div. 1, 2017, UG-37 to UG-45

Actual Inside Diameter Used in Calculation 20.000 in.


Actual Thickness Used in Calculation 0.965 in.

Nozzle input data check completed without errors.

Reqd thk per UG-37(a) of Cylindrical Shell, Tr [Int. Press]


= (P*R)/(Sv*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406*1.0-0.6*15.0)
= 19.6365 mm

Reqd thk per UG-37(a) of Nozzle Wall, Trn [Int. Press]


= (P*R)/(Sn*E-0.6*P) per UG-27 (c)(1)
= (15.0*254.0)/(1202*1.0-0.6*15.0)
= 3.1930 mm

Required Nozzle thickness under External Pressure per UG-28 : 1.0221 mm

UG-40, Limits of Reinforcement : [Internal Pressure]


Parallel to Vessel Wall (Diameter Limit) Dl 1016.0000 mm
Parallel to Vessel Wall, opening length d 508.0000 mm
Normal to Vessel Wall (Thickness Limit), pad side Tlwp 70.5000 mm

Weld Strength Reduction Factor [fr1]:


= min( 1, Sn/Sv )
= min( 1, 1202.2/1406.1 )
= 0.855

Weld Strength Reduction Factor [fr2]:


= min( 1, Sn/Sv )
= min( 1, 1202.2/1406.1 )
= 0.855

Weld Strength Reduction Factor [fr4]:


= min( 1, Sp/Sv )
= min( 1, 1406.1/1406.1 )
= 1.000

Weld Strength Reduction Factor [fr3]:


= min( fr2, fr4 )
= min( 0.855, 1.0 )
= 0.855

Results of Nozzle Reinforcement Area Calculations: (cm²)

AREA AVAILABLE, A1 to A5 Design External Mapnc


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Area Required Ar 101.149 58.883 NA


Area in Shell A1 42.894 26.735 NA
Area in Nozzle Wall A2 25.687 28.304 NA
Area in Inward Nozzle A3 0.000 0.000 NA
Area in Welds A41+A42+A43 4.855 4.855 NA
Area in Element A5 48.836 48.836 NA
TOTAL AREA AVAILABLE Atot 122.272 108.730 NA

The Internal Pressure Case Governs the Analysis.

Nozzle Angle Used in Area Calculations 90.00 Degs.

The area available without a pad is Insufficient.


The area available with the given pad is Sufficient.

SELECTION OF POSSIBLE REINFORCING PADS: Diameter Thickness


Based on given Pad Thickness: 668.7917 24.7900 mm
Based on given Pad Diameter: 754.0000 14.0676 mm
Based on Shell or Nozzle Thickness: 670.1150 24.5000 mm

Area Required [A]:


= ( d * tr*F + 2 * tn * tr*F * (1-fr1) ) UG-37(c)
= (508.0*19.6365*1.0+2*24.5*19.6365*1.0*(1-0.86))
= 101.149 cm²

Reinforcement Areas per Figure UG-37.1

Area Available in Shell [A1]:


= d( E1*t - F*tr ) - 2 * tn( E1*t - F*tr ) * ( 1 - fr1 )
= 508.0( 1.0 * 28.2 - 1.0 * 19.637 ) - 2 * 24.5
( 1.0 * 28.2 - 1.0 * 19.6365 ) * ( 1 - 0.855 )
= 42.894 cm²

Area Available in Nozzle Wall Projecting Outward [A2]:


= ( 2 * Tlwp ) * ( tn - trn ) * fr2
= ( 2 * 70.5 ) * ( 24.5 - 3.19 ) * 0.855
= 25.687 cm²

Area Available in Welds [A41 + A42 + A43]:


= Wo² * fr3 + (Wi-can/0.707)² * fr2 + Wp² * fr4
= 10.0² * 0.86 + (0.0)² * 0.86 + 20.0² * 1.0
= 4.855 cm²

Area Available in Element [A5]:


= (min(Dp,DL)-(Nozzle OD))*(min(tp,Tlwp,te)) * fr4
= ( 754.0 - 557.0 ) * 24.79 * 1.0
= 48.836 cm²

Nozzle Junction Minimum Design Metal Temperature (MDMT) Calculations:

Nozzle Neck to Flange Weld, Curve: B

Govrn. thk, tg = 24.5, tr = 3.193, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.13, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -2 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for the Nozzle, Curve: B

Govrn. thk, tg = 24.5, tr = 3.193, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.13, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -2 °C


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Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for Reinforcement pad, Curve: B

Govrn. thk, tg = 24.5, tr = 3.193, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.13, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -2 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Shell to Pad Weld Junction at Pad OD, Curve: B

Govrn. thk, tg = 24.79, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.696, Temp. Reduction = 17 °C
Pad governing, Conservatively assuming Pad stress = Shell stress(Div. 1 L-9.3).

Min Metal Temp. w/o impact per UCS-66, Curve B -1 °C


Min Metal Temp. at Required thickness (UCS 66.1) -18 °C

Nozzle-Shell/Head Weld (UCS-66(a)1(b)), Curve: B

Govrn. thk, tg = 24.5, tr = 3.193, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.13, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -2 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Governing MDMT of the Nozzle : -104 °C


Governing MDMT of the Reinforcement Pad : -18 °C
Governing MDMT of all the sub-joints of this Junction : -18 °C

ANSI Flange MDMT including Temperature reduction per UCS-66.1:

Unadjusted MDMT of ANSI B16.5/47 flanges per UCS-66(c) -29 °C


Flange MDMT with Temp reduction per UCS-66(b)(1)(-b) -43 °C
Flange MDMT with Temp reduction per UCS-66(b)(1)(-c) -104 °C

Where the Stress Reduction Ratio per UCS-66(b)(1)(-b) is :


Design Pressure/Ambient Rating = 15.00/19.99 = 0.750

Note:
Using the min value from (b)(1)(-b) and (b)(1)(-c) above as the computed nozzle flange MDMT.

Weld Size Calculations, Description: MH1

Intermediate Calc. for nozzle/shell Welds Tmin 19.0000 mm


Intermediate Calc. for pad/shell Welds TminPad 19.0000 mm

Results Per UW-16.1:


Required Thickness Actual Thickness
Nozzle Weld 6.0000 = Min per Code 7.0700 = 0.7 * Wo mm
Pad Weld 9.5000 = 0.5*TminPad 14.1400 = 0.7 * Wp mm

Weld Strength and Weld Loads per UG-41.1, Sketch (a) or (b)

Weld Load [W]:


= max( 0, (A-A1+2*tn*fr1*(E1*t-tr))Sv)
= max( 0, (101.1488 - 42.8939 + 2 * 24.5 * 0.855 *
(1.0 * 28.2 - 19.6365 ) )1406)
= 86959.15 kgf

Note: F is always set to 1.0 throughout the calculation.

Weld Load [W1]:


= (A2+A5+A4-(Wi-Can/.707)²*fr2)*Sv
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= ( 25.6867 + 48.8363 + 4.855 - 0.0 * 0.86 ) * 1406


= 111616.43 kgf

Weld Load [W2]:


= (A2 + A3 + A4 + (2 * tn * t * fr1)) * Sv
= ( 25.6867 + 0.0 + 0.855 + ( 11.8144 ) ) * 1406
= 53933.96 kgf

Weld Load [W3]:


= (A2+A3+A4+A5+(2*tn*t*fr1))*S
= ( 25.6867 + 0.0 + 4.855 + 48.8363 + ( 11.8144 ) ) * 1406
= 128229.09 kgf

Strength of Connection Elements for Failure Path Analysis

Shear, Outward Nozzle Weld [Sonw]:


= (pi/2) * Dlo * Wo * 0.49 * Snw
= ( 3.1416/2.0 ) * 557.0 * 10.0 * 0.49 * 1202
= 51542. kgf

Shear, Pad Element Weld [Spew]:


= (pi/2) * DP * WP * 0.49 * SEW
= ( 3.1416/2.0 ) * 754.0 * 20.0 * 0.49 * 1406
= 163209. kgf

Shear, Nozzle Wall [Snw]:


= (pi *( Dlr + Dlo )/4 ) * ( Thk - Can ) * 0.7 * Sn
= (3.1416 * 266.25) * ( 24.5 - 0.0 ) * 0.7 * 1202
= 172464. kgf

Tension, Pad Groove Weld [Tpgw]:


= ( pi/2) * Dlo * Wgpn * 0.74 * Seg
= (3.1416/2 ) * 557.0 * 24.79 * 0.74 * 1406
= 225689. kgf

Tension, Shell Groove Weld [Tngw]:


= (pi/2) * Dlo * (Wgnvi-Cas) * 0.74 * Sng
= ( 3.1416/2.0 ) * 557.0 * ( 24.79 - 0.0 ) * 0.74 * 1406
= 225689. kgf

Strength of Failure Paths:

PATH11 = ( SPEW + SNW ) = ( 163209 + 172464 ) = 335673 kgf


PATH22 = ( Sonw + Tpgw + Tngw + Sinw )
= ( 51542 + 225689 + 225689 + 0 ) = 502921 kgf
PATH33 = ( Spew + Tngw + Sinw )
= ( 163209 + 225689 + 0 ) = 388899 kgf

Summary of Failure Path Calculations:


Path 1-1 = 335673 kgf, must exceed W = 86959 kgf or W1 = 111616 kgf
Path 2-2 = 502921 kgf, must exceed W = 86959 kgf or W2 = 53933 kgf
Path 3-3 = 388898 kgf, must exceed W = 86959 kgf or W3 = 128229 kgf

Maximum Allowable Pressure for this Nozzle at this Location:


Converged Max. Allow. Pressure in Operating case 16.547 kgf/cm²

Nozzle is O.K. for the External Pressure 1.030 kgf/cm²

The Drop for this Nozzle is : 21.3278 mm


The Cut Length for this Nozzle is, Drop + Ho + H + T : 199.5278 mm

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Nozzle Calcs.: N6 Nozl: 22 10:40am Aug 29,2023

Input, Nozzle Desc: N6 From: 50

Pressure for Reinforcement Calculations P 15.000 kgf/cm²


Temperature for Internal Pressure Temp 60 °C
Design External Pressure Pext 1.03 kgf/cm²
Temperature for External Pressure Tempex 33 °C

Shell Material [Impact Tested] SA-516 70


Shell Allowable Stress at Temperature Sv 1406.14 kgf/cm²
Shell Allowable Stress At Ambient Sva 1406.14 kgf/cm²

Inside Diameter of Cylindrical Shell D 3658.00 mm


Design Length of Section L 17979.8906 mm
Shell Finished (Minimum) Thickness t 28.2000 mm
Shell Internal Corrosion Allowance c 0.0000 mm
Shell External Corrosion Allowance co 0.0000 mm

Distance from Bottom/Left Tangent 618.90 cm

User Entered Minimum Design Metal Temperature -8.00 °C

Type of Element Connected to the Shell : Nozzle

Material SA-106 B
Material UNS Number K03006
Material Specification/Type Smls. pipe
Allowable Stress at Temperature Sn 1202.25 kgf/cm²
Allowable Stress At Ambient Sna 1202.25 kgf/cm²

Diameter Basis (for tr calc only) ID


Layout Angle 90.00 deg
Diameter 3.0000 in.

Size and Thickness Basis Actual


Actual Thickness tn 5.5900 mm

Flange Material SA-105


Flange Type Weld Neck Flange

Corrosion Allowance can 0.0000 mm


Joint Efficiency of Shell Seam at Nozzle E1 1.00
Joint Efficiency of Nozzle Neck En 1.00

Outside Projection ho 150.0000 mm


Weld leg size between Nozzle and Pad/Shell Wo 10.0000 mm
Groove weld depth between Nozzle and Vessel Wgnv 24.7900 mm
Inside Projection h 0.0000 mm
Weld leg size, Inside Element to Shell Wi 0.0000 mm

Pad Material SA-516 70


Pad Allowable Stress at Temperature Sp 1406.14 kgf/cm²
Pad Allowable Stress At Ambient Spa 1406.14 kgf/cm²
Diameter of Pad along vessel surface Dp 190.0000 mm
Thickness of Pad te 24.7800 mm
Weld leg size between Pad and Shell Wp 20.0000 mm
Groove weld depth between Pad and Nozzle Wgpn 24.7800 mm
Reinforcing Pad Width 51.3100 mm

Class of attached Flange 150


Grade of attached Flange GR 1.1

The Pressure Design option was Design Pressure + static head.

Nozzle Sketch (may not represent actual weld type/configuration)


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Insert/Set-in Nozzle With Pad, no Inside projection

Reinforcement CALCULATION, Description: N6

ASME Code, Section VIII, Div. 1, 2017, UG-37 to UG-45

Actual Inside Diameter Used in Calculation 3.000 in.


Actual Thickness Used in Calculation 0.220 in.

Nozzle input data check completed without errors.

Reqd thk per UG-37(a) of Cylindrical Shell, Tr [Int. Press]


= (P*R)/(Sv*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406*1.0-0.6*15.0)
= 19.6365 mm

Reqd thk per UG-37(a) of Nozzle Wall, Trn [Int. Press]


= (P*R)/(Sn*E-0.6*P) per UG-27 (c)(1)
= (15.0*38.1)/(1202*1.0-0.6*15.0)
= 0.4789 mm

Required Nozzle thickness under External Pressure per UG-28 : 0.3483 mm

UG-40, Limits of Reinforcement : [Internal Pressure]


Parallel to Vessel Wall (Diameter Limit) Dl 152.4000 mm
Parallel to Vessel Wall, opening length d 76.2000 mm
Normal to Vessel Wall (Thickness Limit), pad side Tlwp 38.7550 mm

Note: The Pad diameter is greater than the Diameter Limit. The excess will not be considered.

Weld Strength Reduction Factor [fr1]:


= min( 1, Sn/Sv )
= min( 1, 1202.2/1406.1 )
= 0.855

Weld Strength Reduction Factor [fr2]:


= min( 1, Sn/Sv )
= min( 1, 1202.2/1406.1 )
= 0.855

Weld Strength Reduction Factor [fr4]:


= min( 1, Sp/Sv )
= min( 1, 1406.1/1406.1 )
= 1.000

Weld Strength Reduction Factor [fr3]:


= min( fr2, fr4 )
= min( 0.855, 1.0 )
= 0.855

Results of Nozzle Reinforcement Area Calculations: (cm²)


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AREA AVAILABLE, A1 to A5 Design External Mapnc

Area Required Ar 15.281 8.896 NA


Area in Shell A1 6.387 3.981 NA
Area in Nozzle Wall A2 3.387 3.474 NA
Area in Inward Nozzle A3 0.000 0.000 NA
Area in Welds A41+A42+A43 0.855 0.855 NA
Area in Element A5 16.112 16.112 NA
TOTAL AREA AVAILABLE Atot 26.741 24.421 NA

The Internal Pressure Case Governs the Analysis.

Nozzle Angle Used in Area Calculations 90.00 Degs.

The area available without a pad is Insufficient.


The area available with the given pad is Sufficient.

SELECTION OF POSSIBLE REINFORCING PADS: Diameter Thickness


Based on given Pad Thickness: 106.1560 24.7800 mm
Based on given Pad Diameter: 190.0000 7.1558 mm
Based on the Estimated Diameter Limit: 150.8125 7.3349 mm

Area Required [A]:


= ( d * tr*F + 2 * tn * tr*F * (1-fr1) ) UG-37(c)
= (76.2*19.6365*1.0+2*5.59*19.6365*1.0*(1-0.86))
= 15.281 cm²

Reinforcement Areas per Figure UG-37.1

Area Available in Shell [A1]:


= d( E1*t - F*tr ) - 2 * tn( E1*t - F*tr ) * ( 1 - fr1 )
= 76.2( 1.0 * 28.2 - 1.0 * 19.637 ) - 2 * 5.59
( 1.0 * 28.2 - 1.0 * 19.6365 ) * ( 1 - 0.855 )
= 6.387 cm²

Area Available in Nozzle Wall Projecting Outward [A2]:


= ( 2 * Tlwp ) * ( tn - trn ) * fr2
= ( 2 * 38.76 ) * ( 5.59 - 0.48 ) * 0.855
= 3.387 cm²

Area Available in Welds [A41 + A42 + A43]:


= Wo² * fr3 + (Wi-can/0.707)² * fr2 + Wp² * fr4
= 10.0² * 0.86 + (0.0)² * 0.86 + 0.0² * 1.0
= 0.855 cm²

Area Available in Element [A5]:


= (min(Dp,DL)-(Nozzle OD))*(min(tp,Tlwp,te)) * fr4
= ( 152.4 - 87.38 ) * 24.78 * 1.0
= 16.112 cm²

UG-45 Minimum Nozzle Neck Thickness Requirement: [Int. Press.]


Wall Thickness for Internal/External pressures ta = 0.4789 mm
Wall Thickness per UG16(b), tr16b = 1.5000 mm
Wall Thickness, shell/head, internal pressure trb1 = 19.6365 mm
Wall Thickness tb1 = max(trb1, tr16b) = 19.6365 mm
Wall Thickness, shell/head, external pressure trb2 = 1.3402 mm
Wall Thickness tb2 = max(trb2, tr16b) = 1.5000 mm
Wall Thickness per table UG-45 tb3 = 4.8000 mm

Determine Nozzle Thickness candidate [tb]:


= min[ tb3, max( tb1,tb2) ]
= min[ 4.8, max( 19.6365, 1.5 ) ]
= 4.8000 mm

Minimum Wall Thickness of Nozzle Necks [tUG-45]:


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= max( ta, tb )
= max( 0.4789, 4.8 )
= 4.8000 mm

Available Nozzle Neck Thickness = 5.5900 mm --> OK

Nozzle Junction Minimum Design Metal Temperature (MDMT) Calculations:

Nozzle Neck to Flange Weld, Curve: B

Govrn. thk, tg = 5.59, tr = 0.479, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.086, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for the Nozzle, Curve: B

Govrn. thk, tg = 5.59, tr = 0.479, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.086, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for Reinforcement pad, Curve: B

Govrn. thk, tg = 5.59, tr = 0.479, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.086, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Shell to Pad Weld Junction at Pad OD, Curve: B

Govrn. thk, tg = 24.78, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.696, Temp. Reduction = 17 °C
Pad governing, Conservatively assuming Pad stress = Shell stress(Div. 1 L-9.3).

Min Metal Temp. w/o impact per UCS-66, Curve B -1 °C


Min Metal Temp. at Required thickness (UCS 66.1) -18 °C

Nozzle-Shell/Head Weld (UCS-66(a)1(b)), Curve: B

Govrn. thk, tg = 5.59, tr = 0.479, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.086, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Governing MDMT of the Nozzle : -104 °C


Governing MDMT of the Reinforcement Pad : -18 °C
Governing MDMT of all the sub-joints of this Junction : -18 °C

ANSI Flange MDMT including Temperature reduction per UCS-66.1:

Unadjusted MDMT of ANSI B16.5/47 flanges per UCS-66(c) -29 °C


Flange MDMT with Temp reduction per UCS-66(b)(1)(-b) -43 °C
Flange MDMT with Temp reduction per UCS-66(b)(1)(-c) -104 °C

Where the Stress Reduction Ratio per UCS-66(b)(1)(-b) is :


Design Pressure/Ambient Rating = 15.00/19.99 = 0.750

Note:
Using the min value from (b)(1)(-b) and (b)(1)(-c) above as the computed nozzle flange MDMT.
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Weld Size Calculations, Description: N6

Intermediate Calc. for nozzle/shell Welds Tmin 5.5900 mm


Intermediate Calc. for pad/shell Welds TminPad 19.0000 mm

Results Per UW-16.1:


Required Thickness Actual Thickness
Nozzle Weld 3.9130 = 0.7 * tmin. 7.0700 = 0.7 * Wo mm
Pad Weld 9.5000 = 0.5*TminPad 14.1400 = 0.7 * Wp mm

Weld Strength and Weld Loads per UG-41.1, Sketch (a) or (b)

Weld Load [W]:


= max( 0, (A-A1+2*tn*fr1*(E1*t-tr))Sv)
= max( 0, (15.2814 - 6.3865 + 2 * 5.59 * 0.855 *
(1.0 * 28.2 - 19.6365 ) )1406)
= 13658.40 kgf

Note: F is always set to 1.0 throughout the calculation.

Weld Load [W1]:


= (A2+A5+A4-(Wi-Can/.707)²*fr2)*Sv
= ( 3.3872 + 16.112 + 0.855 - 0.0 * 0.86 ) * 1406
= 28620.68 kgf

Weld Load [W2]:


= (A2 + A3 + A4 + (2 * tn * t * fr1)) * Sv
= ( 3.3872 + 0.0 + 0.855 + ( 2.6956 ) ) * 1406
= 9755.45 kgf

Weld Load [W3]:


= (A2+A3+A4+A5+(2*tn*t*fr1))*S
= ( 3.3872 + 0.0 + 0.855 + 16.112 + ( 2.6956 ) ) * 1406
= 32411.08 kgf

Strength of Connection Elements for Failure Path Analysis

Shear, Outward Nozzle Weld [Sonw]:


= (pi/2) * Dlo * Wo * 0.49 * Snw
= ( 3.1416/2.0 ) * 87.38 * 10.0 * 0.49 * 1202
= 8086. kgf

Shear, Pad Element Weld [Spew]:


= (pi/2) * DP * WP * 0.49 * SEW
= ( 3.1416/2.0 ) * 190.0 * 20.0 * 0.49 * 1406
= 41127. kgf

Shear, Nozzle Wall [Snw]:


= (pi *( Dlr + Dlo )/4 ) * ( Thk - Can ) * 0.7 * Sn
= (3.1416 * 40.895) * ( 5.59 - 0.0 ) * 0.7 * 1202
= 6044. kgf

Tension, Pad Groove Weld [Tpgw]:


= ( pi/2) * Dlo * Wgpn * 0.74 * Seg
= (3.1416/2 ) * 87.38 * 24.78 * 0.74 * 1406
= 35391. kgf

Tension, Shell Groove Weld [Tngw]:


= (pi/2) * Dlo * (Wgnvi-Cas) * 0.74 * Sng
= ( 3.1416/2.0 ) * 87.38 * ( 24.79 - 0.0 ) * 0.74 * 1406
= 35405. kgf

Strength of Failure Paths:

PATH11 = ( SPEW + SNW ) = ( 41127 + 6044 ) = 47171 kgf


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PATH22 = ( Sonw + Tpgw + Tngw + Sinw )


= ( 8086 + 35391 + 35405 + 0 ) = 78882 kgf
PATH33 = ( Spew + Tngw + Sinw )
= ( 41127 + 35405 + 0 ) = 76532 kgf

Summary of Failure Path Calculations:


Path 1-1 = 47171 kgf, must exceed W = 13658 kgf or W1 = 28620 kgf
Path 2-2 = 78882 kgf, must exceed W = 13658 kgf or W2 = 9755 kgf
Path 3-3 = 76532 kgf, must exceed W = 13658 kgf or W3 = 32411 kgf

Maximum Allowable Pressure for this Nozzle at this Location:


Converged Max. Allow. Pressure in Operating case 20.633 kgf/cm²

Nozzle is O.K. for the External Pressure 1.030 kgf/cm²

The Drop for this Nozzle is : 0.5219 mm


The Cut Length for this Nozzle is, Drop + Ho + H + T : 178.7219 mm

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Nozzle Calcs.: N5 Nozl: 23 10:40am Aug 29,2023

Input, Nozzle Desc: N5 From: 60

Pressure for Reinforcement Calculations P 15.000 kgf/cm²


Temperature for Internal Pressure Temp 60 °C
Design External Pressure Pext 1.03 kgf/cm²
Temperature for External Pressure Tempex 33 °C

Shell Material [Impact Tested] SA-516 70


Shell Allowable Stress at Temperature Sv 1406.14 kgf/cm²
Shell Allowable Stress At Ambient Sva 1406.14 kgf/cm²

Inside Diameter of Cylindrical Shell D 3658.00 mm


Design Length of Section L 17979.8906 mm
Shell Finished (Minimum) Thickness t 24.7700 mm
Shell Internal Corrosion Allowance c 0.0000 mm
Shell External Corrosion Allowance co 0.0000 mm

Distance from Bottom/Left Tangent 805.20 cm

User Entered Minimum Design Metal Temperature -8.00 °C

Type of Element Connected to the Shell : Nozzle

Material SA-106 B
Material UNS Number K03006
Material Specification/Type Smls. pipe
Allowable Stress at Temperature Sn 1202.25 kgf/cm²
Allowable Stress At Ambient Sna 1202.25 kgf/cm²

Diameter Basis (for tr calc only) ID


Layout Angle 90.00 deg
Diameter 2.0000 in.

Size and Thickness Basis Actual


Actual Thickness tn 4.8900 mm

Flange Material SA-105


Flange Type Weld Neck Flange

Corrosion Allowance can 0.0000 mm


Joint Efficiency of Shell Seam at Nozzle E1 1.00
Joint Efficiency of Nozzle Neck En 1.00

Outside Projection ho 150.0000 mm


Weld leg size between Nozzle and Pad/Shell Wo 10.0000 mm
Groove weld depth between Nozzle and Vessel Wgnv 24.7700 mm
Inside Projection h 0.0000 mm
Weld leg size, Inside Element to Shell Wi 0.0000 mm

Class of attached Flange 150


Grade of attached Flange GR 1.1

The Pressure Design option was Design Pressure + static head.

Nozzle Sketch (may not represent actual weld type/configuration)


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Insert/Set-in Nozzle No Pad, no Inside projection

Reinforcement CALCULATION, Description: N5

ASME Code, Section VIII, Div. 1, 2017, UG-37 to UG-45

Actual Inside Diameter Used in Calculation 2.000 in.


Actual Thickness Used in Calculation 0.193 in.

Nozzle input data check completed without errors.

Reqd thk per UG-37(a) of Cylindrical Shell, Tr [Int. Press]


= (P*R)/(Sv*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406*1.0-0.6*15.0)
= 19.6365 mm

Reqd thk per UG-37(a) of Nozzle Wall, Trn [Int. Press]


= (P*R)/(Sn*E-0.6*P) per UG-27 (c)(1)
= (15.0*25.4)/(1202*1.0-0.6*15.0)
= 0.3193 mm

Required Nozzle thickness under External Pressure per UG-28 : 0.2805 mm

UG-40, Limits of Reinforcement : [Internal Pressure]


Parallel to Vessel Wall (Diameter Limit) Dl 110.1200 mm
Parallel to Vessel Wall Rn+tn+t 55.0600 mm
Normal to Vessel Wall (Thickness Limit), no pad Tlnp 12.2250 mm

Note:

Taking a UG-36(c)(3)(a) exemption for nozzle: N5.


This calculation is valid for nozzles that meet all the requirements of
paragraph UG-36. Please check the Code carefully, especially for nozzles
that are not isolated or do not meet Code spacing requirements. To force
the computation of areas for small nozzles go to Tools->Configuration
and check the box to force the UG-37 small nozzle area calculation or
force the Appendix 1-10 computation in Nozzle Design Options.

UG-45 Minimum Nozzle Neck Thickness Requirement: [Int. Press.]


Wall Thickness for Internal/External pressures ta = 0.3193 mm
Wall Thickness per UG16(b), tr16b = 1.5000 mm
Wall Thickness, shell/head, internal pressure trb1 = 19.6365 mm
Wall Thickness tb1 = max(trb1, tr16b) = 19.6365 mm
Wall Thickness, shell/head, external pressure trb2 = 1.3402 mm
Wall Thickness tb2 = max(trb2, tr16b) = 1.5000 mm
Wall Thickness per table UG-45 tb3 = 4.5200 mm

Determine Nozzle Thickness candidate [tb]:


= min[ tb3, max( tb1,tb2) ]
= min[ 4.52, max( 19.6365, 1.5 ) ]
= 4.5200 mm

Minimum Wall Thickness of Nozzle Necks [tUG-45]:


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= max( ta, tb )
= max( 0.3193, 4.52 )
= 4.5200 mm

Available Nozzle Neck Thickness = 4.8900 mm --> OK

Nozzle Junction Minimum Design Metal Temperature (MDMT) Calculations:

Nozzle Neck to Flange Weld, Curve: B

Govrn. thk, tg = 4.89, tr = 0.319, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.065, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle-Shell/Head Weld (UCS-66(a)1(b)), Curve: B

Govrn. thk, tg = 4.89, tr = 0.319, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.065, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Governing MDMT of all the sub-joints of this Junction : -104 °C

ANSI Flange MDMT including Temperature reduction per UCS-66.1:

Unadjusted MDMT of ANSI B16.5/47 flanges per UCS-66(c) -29 °C


Flange MDMT with Temp reduction per UCS-66(b)(1)(-b) -43 °C
Flange MDMT with Temp reduction per UCS-66(b)(1)(-c) -104 °C

Where the Stress Reduction Ratio per UCS-66(b)(1)(-b) is :


Design Pressure/Ambient Rating = 15.00/19.99 = 0.750

Note:
Using the min value from (b)(1)(-b) and (b)(1)(-c) above as the computed nozzle flange MDMT.

Weld Size Calculations, Description: N5

Intermediate Calc. for nozzle/shell Welds Tmin 4.8900 mm

Results Per UW-16.1:


Required Thickness Actual Thickness
Nozzle Weld 3.4230 = 0.7 * tmin. 7.0700 = 0.7 * Wo mm

Skipping the nozzle attachment weld strength calculations.


Per UW-15(b)(2) the nozzles exempted by UG-36(c)(3)(a)
(small nozzles) do not require a weld strength check.

Maximum Allowable Pressure for this Nozzle at this Location:


Converged Max. Allow. Pressure in Operating case 18.890 kgf/cm²

Note: The MAWP of this junction was limited by the parent Shell/Head.

The Drop for this Nozzle is : 0.2508 mm


The Cut Length for this Nozzle is, Drop + Ho + H + T : 175.0208 mm

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Nozzle Calcs.: N4 Nozl: 24 10:40am Aug 29,2023

Input, Nozzle Desc: N4 From: 60

Pressure for Reinforcement Calculations P 15.000 kgf/cm²


Temperature for Internal Pressure Temp 60 °C
Design External Pressure Pext 1.03 kgf/cm²
Temperature for External Pressure Tempex 33 °C

Shell Material [Impact Tested] SA-516 70


Shell Allowable Stress at Temperature Sv 1406.14 kgf/cm²
Shell Allowable Stress At Ambient Sva 1406.14 kgf/cm²

Inside Diameter of Cylindrical Shell D 3658.00 mm


Design Length of Section L 17979.8906 mm
Shell Finished (Minimum) Thickness t 24.7700 mm
Shell Internal Corrosion Allowance c 0.0000 mm
Shell External Corrosion Allowance co 0.0000 mm

Distance from Bottom/Left Tangent 845.20 cm

User Entered Minimum Design Metal Temperature -8.00 °C

Type of Element Connected to the Shell : Nozzle

Material SA-106 B
Material UNS Number K03006
Material Specification/Type Smls. pipe
Allowable Stress at Temperature Sn 1202.25 kgf/cm²
Allowable Stress At Ambient Sna 1202.25 kgf/cm²

Diameter Basis (for tr calc only) ID


Layout Angle 90.00 deg
Diameter 4.0000 in.

Size and Thickness Basis Actual


Actual Thickness tn 5.5500 mm

Flange Material SA-105


Flange Type Weld Neck Flange

Corrosion Allowance can 0.0000 mm


Joint Efficiency of Shell Seam at Nozzle E1 1.00
Joint Efficiency of Nozzle Neck En 1.00

Outside Projection ho 150.0000 mm


Weld leg size between Nozzle and Pad/Shell Wo 10.0000 mm
Groove weld depth between Nozzle and Vessel Wgnv 24.7700 mm
Inside Projection h 0.0000 mm
Weld leg size, Inside Element to Shell Wi 0.0000 mm

Pad Material SA-516 70


Pad Allowable Stress at Temperature Sp 1406.14 kgf/cm²
Pad Allowable Stress At Ambient Spa 1406.14 kgf/cm²
Diameter of Pad along vessel surface Dp 216.0000 mm
Thickness of Pad te 26.0000 mm
Weld leg size between Pad and Shell Wp 20.0000 mm
Groove weld depth between Pad and Nozzle Wgpn 26.0000 mm
Reinforcing Pad Width 51.6500 mm

Class of attached Flange 150


Grade of attached Flange GR 1.1

The Pressure Design option was Design Pressure + static head.

Nozzle Sketch (may not represent actual weld type/configuration)


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Insert/Set-in Nozzle With Pad, no Inside projection

Reinforcement CALCULATION, Description: N4

ASME Code, Section VIII, Div. 1, 2017, UG-37 to UG-45

Actual Inside Diameter Used in Calculation 4.000 in.


Actual Thickness Used in Calculation 0.219 in.

Nozzle input data check completed without errors.

Reqd thk per UG-37(a) of Cylindrical Shell, Tr [Int. Press]


= (P*R)/(Sv*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406*1.0-0.6*15.0)
= 19.6365 mm

Reqd thk per UG-37(a) of Nozzle Wall, Trn [Int. Press]


= (P*R)/(Sn*E-0.6*P) per UG-27 (c)(1)
= (15.0*50.8)/(1202*1.0-0.6*15.0)
= 0.6386 mm

Required Nozzle thickness under External Pressure per UG-28 : 0.4031 mm

UG-40, Limits of Reinforcement : [Internal Pressure]


Parallel to Vessel Wall (Diameter Limit) Dl 203.2000 mm
Parallel to Vessel Wall, opening length d 101.6000 mm
Normal to Vessel Wall (Thickness Limit), pad side Tlwp 39.8750 mm

Note: The Pad diameter is greater than the Diameter Limit. The excess will not be considered.

Weld Strength Reduction Factor [fr1]:


= min( 1, Sn/Sv )
= min( 1, 1202.2/1406.1 )
= 0.855

Weld Strength Reduction Factor [fr2]:


= min( 1, Sn/Sv )
= min( 1, 1202.2/1406.1 )
= 0.855

Weld Strength Reduction Factor [fr4]:


= min( 1, Sp/Sv )
= min( 1, 1406.1/1406.1 )
= 1.000

Weld Strength Reduction Factor [fr3]:


= min( fr2, fr4 )
= min( 0.855, 1.0 )
= 0.855

Results of Nozzle Reinforcement Area Calculations: (cm²)


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AREA AVAILABLE, A1 to A5 Design External Mapnc

Area Required Ar 20.267 11.787 NA


Area in Shell A1 5.133 1.930 NA
Area in Nozzle Wall A2 3.349 3.509 NA
Area in Inward Nozzle A3 0.000 0.000 NA
Area in Welds A41+A42+A43 0.855 0.855 NA
Area in Element A5 23.530 23.530 NA
TOTAL AREA AVAILABLE Atot 32.867 29.824 NA

The Internal Pressure Case Governs the Analysis.

Nozzle Angle Used in Area Calculations 90.00 Degs.

The area available without a pad is Insufficient.


The area available with the given pad is Sufficient.

SELECTION OF POSSIBLE REINFORCING PADS: Diameter Thickness


Based on given Pad Thickness: 154.7381 26.0000 mm
Based on given Pad Diameter: 216.0000 12.0772 mm
Based on the Estimated Diameter Limit: 201.6125 12.2929 mm

Area Required [A]:


= ( d * tr*F + 2 * tn * tr*F * (1-fr1) ) UG-37(c)
= (101.6*19.6365*1.0+2*5.55*19.6365*1.0*(1-0.86))
= 20.267 cm²

Reinforcement Areas per Figure UG-37.1

Area Available in Shell [A1]:


= d( E1*t - F*tr ) - 2 * tn( E1*t - F*tr ) * ( 1 - fr1 )
= 101.6( 1.0 * 24.77 - 1.0 * 19.637 ) - 2 * 5.55
( 1.0 * 24.77 - 1.0 * 19.6365 ) * ( 1 - 0.855 )
= 5.133 cm²

Area Available in Nozzle Wall Projecting Outward [A2]:


= ( 2 * Tlwp ) * ( tn - trn ) * fr2
= ( 2 * 39.88 ) * ( 5.55 - 0.64 ) * 0.855
= 3.349 cm²

Area Available in Welds [A41 + A42 + A43]:


= Wo² * fr3 + (Wi-can/0.707)² * fr2 + Wp² * fr4
= 10.0² * 0.86 + (0.0)² * 0.86 + 0.0² * 1.0
= 0.855 cm²

Area Available in Element [A5]:


= (min(Dp,DL)-(Nozzle OD))*(min(tp,Tlwp,te)) * fr4
= ( 203.2 - 112.7 ) * 26.0 * 1.0
= 23.530 cm²

UG-45 Minimum Nozzle Neck Thickness Requirement: [Int. Press.]


Wall Thickness for Internal/External pressures ta = 0.6386 mm
Wall Thickness per UG16(b), tr16b = 1.5000 mm
Wall Thickness, shell/head, internal pressure trb1 = 19.6365 mm
Wall Thickness tb1 = max(trb1, tr16b) = 19.6365 mm
Wall Thickness, shell/head, external pressure trb2 = 1.3402 mm
Wall Thickness tb2 = max(trb2, tr16b) = 1.5000 mm
Wall Thickness per table UG-45 tb3 = 5.2578 mm

Determine Nozzle Thickness candidate [tb]:


= min[ tb3, max( tb1,tb2) ]
= min[ 5.258, max( 19.6365, 1.5 ) ]
= 5.2578 mm

Minimum Wall Thickness of Nozzle Necks [tUG-45]:


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= max( ta, tb )
= max( 0.6386, 5.2578 )
= 5.2578 mm

Available Nozzle Neck Thickness = 5.5500 mm --> OK

Nozzle Junction Minimum Design Metal Temperature (MDMT) Calculations:

Nozzle Neck to Flange Weld, Curve: B

Govrn. thk, tg = 5.55, tr = 0.639, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.115, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for the Nozzle, Curve: B

Govrn. thk, tg = 5.55, tr = 0.639, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.115, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for Reinforcement pad, Curve: B

Govrn. thk, tg = 5.55, tr = 0.639, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.115, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Shell to Pad Weld Junction at Pad OD, Curve: B

Govrn. thk, tg = 24.77, tr = 19.637, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.793, Temp. Reduction = 12 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -1 °C


Min Metal Temp. at Required thickness (UCS 66.1) -13 °C

Nozzle-Shell/Head Weld (UCS-66(a)1(b)), Curve: B

Govrn. thk, tg = 5.55, tr = 0.639, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.115, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Governing MDMT of the Nozzle : -104 °C


Governing MDMT of the Reinforcement Pad : -13 °C
Governing MDMT of all the sub-joints of this Junction : -13 °C

ANSI Flange MDMT including Temperature reduction per UCS-66.1:

Unadjusted MDMT of ANSI B16.5/47 flanges per UCS-66(c) -29 °C


Flange MDMT with Temp reduction per UCS-66(b)(1)(-b) -43 °C
Flange MDMT with Temp reduction per UCS-66(b)(1)(-c) -104 °C

Where the Stress Reduction Ratio per UCS-66(b)(1)(-b) is :


Design Pressure/Ambient Rating = 15.00/19.99 = 0.750

Note:
Using the min value from (b)(1)(-b) and (b)(1)(-c) above as the computed nozzle flange MDMT.

Weld Size Calculations, Description: N4


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Intermediate Calc. for nozzle/shell Welds Tmin 5.5500 mm


Intermediate Calc. for pad/shell Welds TminPad 19.0000 mm

Results Per UW-16.1:


Required Thickness Actual Thickness
Nozzle Weld 3.8850 = 0.7 * tmin. 7.0700 = 0.7 * Wo mm
Pad Weld 9.5000 = 0.5*TminPad 14.1400 = 0.7 * Wp mm

Weld Strength and Weld Loads per UG-41.1, Sketch (a) or (b)

Weld Load [W]:


= max( 0, (A-A1+2*tn*fr1*(E1*t-tr))Sv)
= max( 0, (20.2668 - 5.133 + 2 * 5.55 * 0.855 *
(1.0 * 24.77 - 19.6365 ) )1406)
= 21965.29 kgf

Note: F is always set to 1.0 throughout the calculation.

Weld Load [W1]:


= (A2+A5+A4-(Wi-Can/.707)²*fr2)*Sv
= ( 3.3489 + 23.53 + 0.855 - 0.0 * 0.86 ) * 1406
= 38997.70 kgf

Weld Load [W2]:


= (A2 + A3 + A4 + (2 * tn * t * fr1)) * Sv
= ( 3.3489 + 0.0 + 0.855 + ( 2.3508 ) ) * 1406
= 9216.82 kgf

Weld Load [W3]:


= (A2+A3+A4+A5+(2*tn*t*fr1))*S
= ( 3.3489 + 0.0 + 0.855 + 23.53 + ( 2.3508 ) ) * 1406
= 42303.24 kgf

Strength of Connection Elements for Failure Path Analysis

Shear, Outward Nozzle Weld [Sonw]:


= (pi/2) * Dlo * Wo * 0.49 * Snw
= ( 3.1416/2.0 ) * 112.7 * 10.0 * 0.49 * 1202
= 10429. kgf

Shear, Pad Element Weld [Spew]:


= (pi/2) * DP * WP * 0.49 * SEW
= ( 3.1416/2.0 ) * 216.0 * 20.0 * 0.49 * 1406
= 46755. kgf

Shear, Nozzle Wall [Snw]:


= (pi *( Dlr + Dlo )/4 ) * ( Thk - Can ) * 0.7 * Sn
= (3.1416 * 53.575) * ( 5.55 - 0.0 ) * 0.7 * 1202
= 7861. kgf

Tension, Pad Groove Weld [Tpgw]:


= ( pi/2) * Dlo * Wgpn * 0.74 * Seg
= (3.1416/2 ) * 112.7 * 26.0 * 0.74 * 1406
= 47894. kgf

Tension, Shell Groove Weld [Tngw]:


= (pi/2) * Dlo * (Wgnvi-Cas) * 0.74 * Sng
= ( 3.1416/2.0 ) * 112.7 * ( 24.77 - 0.0 ) * 0.74 * 1406
= 45628. kgf

Strength of Failure Paths:

PATH11 = ( SPEW + SNW ) = ( 46755 + 7861 ) = 54616 kgf


PATH22 = ( Sonw + Tpgw + Tngw + Sinw )
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= ( 10429 + 47894 + 45628 + 0 ) = 103950 kgf


PATH33 = ( Spew + Tngw + Sinw )
= ( 46755 + 45628 + 0 ) = 92383 kgf

Summary of Failure Path Calculations:


Path 1-1 = 54616 kgf, must exceed W = 21965 kgf or W1 = 38997 kgf
Path 2-2 = 103950 kgf, must exceed W = 21965 kgf or W2 = 9216 kgf
Path 3-3 = 92382 kgf, must exceed W = 21965 kgf or W3 = 42303 kgf

Maximum Allowable Pressure for this Nozzle at this Location:


Converged Max. Allow. Pressure in Operating case 18.890 kgf/cm²

Note: The MAWP of this junction was limited by the parent Shell/Head.

Nozzle is O.K. for the External Pressure 1.030 kgf/cm²

The Drop for this Nozzle is : 0.8684 mm


The Cut Length for this Nozzle is, Drop + Ho + H + T : 175.6384 mm

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Nozzle Calcs.: N11 Nozl: 25 10:40am Aug 29,2023

Input, Nozzle Desc: N11 From: 60

Pressure for Reinforcement Calculations P 15.000 kgf/cm²


Temperature for Internal Pressure Temp 60 °C
Design External Pressure Pext 1.03 kgf/cm²
Temperature for External Pressure Tempex 33 °C

Shell Material [Impact Tested] SA-516 70


Shell Allowable Stress at Temperature Sv 1406.14 kgf/cm²
Shell Allowable Stress At Ambient Sva 1406.14 kgf/cm²

Inside Diameter of Cylindrical Shell D 3658.00 mm


Design Length of Section L 17979.8906 mm
Shell Finished (Minimum) Thickness t 24.7700 mm
Shell Internal Corrosion Allowance c 0.0000 mm
Shell External Corrosion Allowance co 0.0000 mm

Distance from Bottom/Left Tangent 805.20 cm

User Entered Minimum Design Metal Temperature -8.00 °C

Type of Element Connected to the Shell : Nozzle

Material SA-106 B
Material UNS Number K03006
Material Specification/Type Smls. pipe
Allowable Stress at Temperature Sn 1202.25 kgf/cm²
Allowable Stress At Ambient Sna 1202.25 kgf/cm²

Diameter Basis (for tr calc only) ID


Layout Angle 270.00 deg
Diameter 2.0000 in.

Size and Thickness Basis Actual


Actual Thickness tn 5.5000 mm

Flange Material SA-105


Flange Type Weld Neck Flange

Corrosion Allowance can 0.0000 mm


Joint Efficiency of Shell Seam at Nozzle E1 1.00
Joint Efficiency of Nozzle Neck En 1.00

Outside Projection ho 150.0000 mm


Weld leg size between Nozzle and Pad/Shell Wo 10.0000 mm
Groove weld depth between Nozzle and Vessel Wgnv 24.7700 mm
Inside Projection h 0.0000 mm
Weld leg size, Inside Element to Shell Wi 0.0000 mm

Class of attached Flange 150


Grade of attached Flange GR 1.1

The Pressure Design option was Design Pressure + static head.

Nozzle Sketch (may not represent actual weld type/configuration)


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Insert/Set-in Nozzle No Pad, no Inside projection

Reinforcement CALCULATION, Description: N11

ASME Code, Section VIII, Div. 1, 2017, UG-37 to UG-45

Actual Inside Diameter Used in Calculation 2.000 in.


Actual Thickness Used in Calculation 0.217 in.

Nozzle input data check completed without errors.

Reqd thk per UG-37(a) of Cylindrical Shell, Tr [Int. Press]


= (P*R)/(Sv*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406*1.0-0.6*15.0)
= 19.6365 mm

Reqd thk per UG-37(a) of Nozzle Wall, Trn [Int. Press]


= (P*R)/(Sn*E-0.6*P) per UG-27 (c)(1)
= (15.0*25.4)/(1202*1.0-0.6*15.0)
= 0.3193 mm

Required Nozzle thickness under External Pressure per UG-28 : 0.2837 mm

UG-40, Limits of Reinforcement : [Internal Pressure]


Parallel to Vessel Wall (Diameter Limit) Dl 111.3400 mm
Parallel to Vessel Wall Rn+tn+t 55.6700 mm
Normal to Vessel Wall (Thickness Limit), no pad Tlnp 13.7500 mm

Note:

Taking a UG-36(c)(3)(a) exemption for nozzle: N11.


This calculation is valid for nozzles that meet all the requirements of
paragraph UG-36. Please check the Code carefully, especially for nozzles
that are not isolated or do not meet Code spacing requirements. To force
the computation of areas for small nozzles go to Tools->Configuration
and check the box to force the UG-37 small nozzle area calculation or
force the Appendix 1-10 computation in Nozzle Design Options.

UG-45 Minimum Nozzle Neck Thickness Requirement: [Int. Press.]


Wall Thickness for Internal/External pressures ta = 0.3193 mm
Wall Thickness per UG16(b), tr16b = 1.5000 mm
Wall Thickness, shell/head, internal pressure trb1 = 19.6365 mm
Wall Thickness tb1 = max(trb1, tr16b) = 19.6365 mm
Wall Thickness, shell/head, external pressure trb2 = 1.3402 mm
Wall Thickness tb2 = max(trb2, tr16b) = 1.5000 mm
Wall Thickness per table UG-45 tb3 = 4.5200 mm

Determine Nozzle Thickness candidate [tb]:


= min[ tb3, max( tb1,tb2) ]
= min[ 4.52, max( 19.6365, 1.5 ) ]
= 4.5200 mm

Minimum Wall Thickness of Nozzle Necks [tUG-45]:


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= max( ta, tb )
= max( 0.3193, 4.52 )
= 4.5200 mm

Available Nozzle Neck Thickness = 5.5000 mm --> OK

Nozzle Junction Minimum Design Metal Temperature (MDMT) Calculations:

Nozzle Neck to Flange Weld, Curve: B

Govrn. thk, tg = 5.5, tr = 0.319, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.058, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle-Shell/Head Weld (UCS-66(a)1(b)), Curve: B

Govrn. thk, tg = 5.5, tr = 0.319, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.058, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Governing MDMT of all the sub-joints of this Junction : -104 °C

ANSI Flange MDMT including Temperature reduction per UCS-66.1:

Unadjusted MDMT of ANSI B16.5/47 flanges per UCS-66(c) -29 °C


Flange MDMT with Temp reduction per UCS-66(b)(1)(-b) -43 °C
Flange MDMT with Temp reduction per UCS-66(b)(1)(-c) -104 °C

Where the Stress Reduction Ratio per UCS-66(b)(1)(-b) is :


Design Pressure/Ambient Rating = 15.00/19.99 = 0.750

Note:
Using the min value from (b)(1)(-b) and (b)(1)(-c) above as the computed nozzle flange MDMT.

Weld Size Calculations, Description: N11

Intermediate Calc. for nozzle/shell Welds Tmin 5.5000 mm

Results Per UW-16.1:


Required Thickness Actual Thickness
Nozzle Weld 3.8500 = 0.7 * tmin. 7.0700 = 0.7 * Wo mm

Skipping the nozzle attachment weld strength calculations.


Per UW-15(b)(2) the nozzles exempted by UG-36(c)(3)(a)
(small nozzles) do not require a weld strength check.

Maximum Allowable Pressure for this Nozzle at this Location:


Converged Max. Allow. Pressure in Operating case 18.890 kgf/cm²

Note: The MAWP of this junction was limited by the parent Shell/Head.

The Drop for this Nozzle is : 0.2610 mm


The Cut Length for this Nozzle is, Drop + Ho + H + T : 175.0310 mm

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Nozzle Calcs.: N12 Nozl: 26 10:40am Aug 29,2023

Input, Nozzle Desc: N12 From: 60

Pressure for Reinforcement Calculations P 15.000 kgf/cm²


Temperature for Internal Pressure Temp 60 °C
Design External Pressure Pext 1.03 kgf/cm²
Temperature for External Pressure Tempex 33 °C

Shell Material [Impact Tested] SA-516 70


Shell Allowable Stress at Temperature Sv 1406.14 kgf/cm²
Shell Allowable Stress At Ambient Sva 1406.14 kgf/cm²

Inside Diameter of Cylindrical Shell D 3658.00 mm


Design Length of Section L 17979.8906 mm
Shell Finished (Minimum) Thickness t 24.7700 mm
Shell Internal Corrosion Allowance c 0.0000 mm
Shell External Corrosion Allowance co 0.0000 mm

Distance from Bottom/Left Tangent 845.20 cm

User Entered Minimum Design Metal Temperature -8.00 °C

Type of Element Connected to the Shell : Nozzle

Material SA-106 B
Material UNS Number K03006
Material Specification/Type Smls. pipe
Allowable Stress at Temperature Sn 1202.25 kgf/cm²
Allowable Stress At Ambient Sna 1202.25 kgf/cm²

Diameter Basis (for tr calc only) ID


Layout Angle 270.00 deg
Diameter 6.0000 in.

Size and Thickness Basis Actual


Actual Thickness tn 6.8100 mm

Flange Material SA-105


Flange Type Weld Neck Flange

Corrosion Allowance can 0.0000 mm


Joint Efficiency of Shell Seam at Nozzle E1 1.00
Joint Efficiency of Nozzle Neck En 1.00

Outside Projection ho 150.0000 mm


Weld leg size between Nozzle and Pad/Shell Wo 10.0000 mm
Groove weld depth between Nozzle and Vessel Wgnv 24.7700 mm
Inside Projection h 0.0000 mm
Weld leg size, Inside Element to Shell Wi 0.0000 mm

Pad Material SA-516 70


Pad Allowable Stress at Temperature Sp 1406.14 kgf/cm²
Pad Allowable Stress At Ambient Spa 1406.14 kgf/cm²
Diameter of Pad along vessel surface Dp 270.0000 mm
Thickness of Pad te 25.2900 mm
Weld leg size between Pad and Shell Wp 20.0000 mm
Groove weld depth between Pad and Nozzle Wgpn 25.2900 mm
Reinforcing Pad Width 51.9900 mm

Class of attached Flange 150


Grade of attached Flange GR 1.1

The Pressure Design option was Design Pressure + static head.

Nozzle Sketch (may not represent actual weld type/configuration)


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Insert/Set-in Nozzle With Pad, no Inside projection

Reinforcement CALCULATION, Description: N12

ASME Code, Section VIII, Div. 1, 2017, UG-37 to UG-45

Actual Inside Diameter Used in Calculation 6.000 in.


Actual Thickness Used in Calculation 0.268 in.

Nozzle input data check completed without errors.

Reqd thk per UG-37(a) of Cylindrical Shell, Tr [Int. Press]


= (P*R)/(Sv*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406*1.0-0.6*15.0)
= 19.6365 mm

Reqd thk per UG-37(a) of Nozzle Wall, Trn [Int. Press]


= (P*R)/(Sn*E-0.6*P) per UG-27 (c)(1)
= (15.0*76.2)/(1202*1.0-0.6*15.0)
= 0.9579 mm

Required Nozzle thickness under External Pressure per UG-28 : 0.5043 mm

UG-40, Limits of Reinforcement : [Internal Pressure]


Parallel to Vessel Wall (Diameter Limit) Dl 304.8000 mm
Parallel to Vessel Wall, opening length d 152.4000 mm
Normal to Vessel Wall (Thickness Limit), pad side Tlwp 42.3150 mm

Weld Strength Reduction Factor [fr1]:


= min( 1, Sn/Sv )
= min( 1, 1202.2/1406.1 )
= 0.855

Weld Strength Reduction Factor [fr2]:


= min( 1, Sn/Sv )
= min( 1, 1202.2/1406.1 )
= 0.855

Weld Strength Reduction Factor [fr4]:


= min( 1, Sp/Sv )
= min( 1, 1406.1/1406.1 )
= 1.000

Weld Strength Reduction Factor [fr3]:


= min( fr2, fr4 )
= min( 0.855, 1.0 )
= 0.855

Results of Nozzle Reinforcement Area Calculations: (cm²)

AREA AVAILABLE, A1 to A5 Design External Mapnc


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Area Required Ar 30.314 17.630 NA


Area in Shell A1 7.722 2.903 NA
Area in Nozzle Wall A2 4.235 4.563 NA
Area in Inward Nozzle A3 0.000 0.000 NA
Area in Welds A41+A42+A43 4.787 4.787 NA
Area in Element A5 26.297 26.297 NA
TOTAL AREA AVAILABLE Atot 43.040 38.550 NA

The Internal Pressure Case Governs the Analysis.

Nozzle Angle Used in Area Calculations 90.00 Degs.

The area available without a pad is Insufficient.


The area available with the given pad is Sufficient.

SELECTION OF POSSIBLE REINFORCING PADS: Diameter Thickness


Based on given Pad Thickness: 219.6775 25.2900 mm
Based on given Pad Diameter: 270.0000 13.0506 mm
Based on the Estimated Diameter Limit: 303.2125 9.8912 mm

Area Required [A]:


= ( d * tr*F + 2 * tn * tr*F * (1-fr1) ) UG-37(c)
= (152.4*19.6365*1.0+2*6.81*19.6365*1.0*(1-0.86))
= 30.314 cm²

Reinforcement Areas per Figure UG-37.1

Area Available in Shell [A1]:


= d( E1*t - F*tr ) - 2 * tn( E1*t - F*tr ) * ( 1 - fr1 )
= 152.4( 1.0 * 24.77 - 1.0 * 19.637 ) - 2 * 6.81
( 1.0 * 24.77 - 1.0 * 19.6365 ) * ( 1 - 0.855 )
= 7.722 cm²

Area Available in Nozzle Wall Projecting Outward [A2]:


= ( 2 * Tlwp ) * ( tn - trn ) * fr2
= ( 2 * 42.32 ) * ( 6.81 - 0.96 ) * 0.855
= 4.235 cm²

Area Available in Welds [A41 + A42 + A43]:


= (Wo² - Ar Lost)*Fr3+((Wi-can/0.707)² - Ar Lost)*fr2 + Trapfr4
= ( 1. ) * 0.86 + (0.0 ) * 0.86 + 393.24² * 1.0
= 4.787 cm²

Area Available in Element [A5]:


= (min(Dp,DL)-(Nozzle OD))*(min(tp,Tlwp,te)) * fr4
= ( 270.0 - 166.02 ) * 25.29 * 1.0
= 26.297 cm²

UG-45 Minimum Nozzle Neck Thickness Requirement: [Int. Press.]


Wall Thickness for Internal/External pressures ta = 0.9579 mm
Wall Thickness per UG16(b), tr16b = 1.5000 mm
Wall Thickness, shell/head, internal pressure trb1 = 19.6365 mm
Wall Thickness tb1 = max(trb1, tr16b) = 19.6365 mm
Wall Thickness, shell/head, external pressure trb2 = 1.3402 mm
Wall Thickness tb2 = max(trb2, tr16b) = 1.5000 mm
Wall Thickness per table UG-45 tb3 = 6.2200 mm

Determine Nozzle Thickness candidate [tb]:


= min[ tb3, max( tb1,tb2) ]
= min[ 6.22, max( 19.6365, 1.5 ) ]
= 6.2200 mm

Minimum Wall Thickness of Nozzle Necks [tUG-45]:


= max( ta, tb )
= max( 0.9579, 6.22 )
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= 6.2200 mm

Available Nozzle Neck Thickness = 6.8100 mm --> OK

Nozzle Junction Minimum Design Metal Temperature (MDMT) Calculations:

Nozzle Neck to Flange Weld, Curve: B

Govrn. thk, tg = 6.81, tr = 0.958, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.141, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for the Nozzle, Curve: B

Govrn. thk, tg = 6.81, tr = 0.958, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.141, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for Reinforcement pad, Curve: B

Govrn. thk, tg = 6.81, tr = 0.958, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.141, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Shell to Pad Weld Junction at Pad OD, Curve: B

Govrn. thk, tg = 24.77, tr = 19.637, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.793, Temp. Reduction = 12 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -1 °C


Min Metal Temp. at Required thickness (UCS 66.1) -13 °C

Nozzle-Shell/Head Weld (UCS-66(a)1(b)), Curve: B

Govrn. thk, tg = 6.81, tr = 0.958, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.141, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Governing MDMT of the Nozzle : -104 °C


Governing MDMT of the Reinforcement Pad : -13 °C
Governing MDMT of all the sub-joints of this Junction : -13 °C

ANSI Flange MDMT including Temperature reduction per UCS-66.1:

Unadjusted MDMT of ANSI B16.5/47 flanges per UCS-66(c) -29 °C


Flange MDMT with Temp reduction per UCS-66(b)(1)(-b) -43 °C
Flange MDMT with Temp reduction per UCS-66(b)(1)(-c) -104 °C

Where the Stress Reduction Ratio per UCS-66(b)(1)(-b) is :


Design Pressure/Ambient Rating = 15.00/19.99 = 0.750

Note:
Using the min value from (b)(1)(-b) and (b)(1)(-c) above as the computed nozzle flange MDMT.

Weld Size Calculations, Description: N12

Intermediate Calc. for nozzle/shell Welds Tmin 6.8100 mm


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Nozzle Calcs.: N12 Nozl: 26 10:40am Aug 29,2023

Intermediate Calc. for pad/shell Welds TminPad 19.0000 mm

Results Per UW-16.1:


Required Thickness Actual Thickness
Nozzle Weld 4.7670 = 0.7 * tmin. 7.0700 = 0.7 * Wo mm
Pad Weld 9.5000 = 0.5*TminPad 14.1400 = 0.7 * Wp mm

Weld Strength and Weld Loads per UG-41.1, Sketch (a) or (b)

Weld Load [W]:


= max( 0, (A-A1+2*tn*fr1*(E1*t-tr))Sv)
= max( 0, (30.3139 - 7.722 + 2 * 6.81 * 0.855 *
(1.0 * 24.77 - 19.6365 ) )1406)
= 32607.90 kgf

Note: F is always set to 1.0 throughout the calculation.

Weld Load [W1]:


= (A2+A5+A4-(Wi-Can/.707)²*fr2)*Sv
= ( 4.2345 + 26.2965 + 4.7874 - 0.0 * 0.86 ) * 1406
= 49662.61 kgf

Weld Load [W2]:


= (A2 + A3 + A4 + (2 * tn * t * fr1)) * Sv
= ( 4.2345 + 0.0 + 0.855 + ( 2.8845 ) ) * 1406
= 11212.55 kgf

Weld Load [W3]:


= (A2+A3+A4+A5+(2*tn*t*fr1))*S
= ( 4.2345 + 0.0 + 4.7874 + 26.2965 + ( 2.8845 ) ) * 1406
= 53718.60 kgf

Strength of Connection Elements for Failure Path Analysis

Shear, Outward Nozzle Weld [Sonw]:


= (pi/2) * Dlo * Wo * 0.49 * Snw
= ( 3.1416/2.0 ) * 166.02 * 10.0 * 0.49 * 1202
= 15363. kgf

Shear, Pad Element Weld [Spew]:


= (pi/2) * DP * WP * 0.49 * SEW
= ( 3.1416/2.0 ) * 270.0 * 20.0 * 0.49 * 1406
= 58444. kgf

Shear, Nozzle Wall [Snw]:


= (pi *( Dlr + Dlo )/4 ) * ( Thk - Can ) * 0.7 * Sn
= (3.1416 * 79.605) * ( 6.81 - 0.0 ) * 0.7 * 1202
= 14333. kgf

Tension, Pad Groove Weld [Tpgw]:


= ( pi/2) * Dlo * Wgpn * 0.74 * Seg
= (3.1416/2 ) * 166.02 * 25.29 * 0.74 * 1406
= 68626. kgf

Tension, Shell Groove Weld [Tngw]:


= (pi/2) * Dlo * (Wgnvi-Cas) * 0.74 * Sng
= ( 3.1416/2.0 ) * 166.02 * ( 24.77 - 0.0 ) * 0.74 * 1406
= 67215. kgf

Strength of Failure Paths:

PATH11 = ( SPEW + SNW ) = ( 58444 + 14333 ) = 72776 kgf


PATH22 = ( Sonw + Tpgw + Tngw + Sinw )
= ( 15363 + 68626 + 67215 + 0 ) = 151204 kgf
PATH33 = ( Spew + Tngw + Sinw )
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= ( 58444 + 67215 + 0 ) = 125659 kgf

Summary of Failure Path Calculations:


Path 1-1 = 72776 kgf, must exceed W = 32607 kgf or W1 = 49662 kgf
Path 2-2 = 151203 kgf, must exceed W = 32607 kgf or W2 = 11212 kgf
Path 3-3 = 125658 kgf, must exceed W = 32607 kgf or W3 = 53718 kgf

Maximum Allowable Pressure for this Nozzle at this Location:


Converged Max. Allow. Pressure in Operating case 18.128 kgf/cm²

Nozzle is O.K. for the External Pressure 1.030 kgf/cm²

The Drop for this Nozzle is : 1.8848 mm


The Cut Length for this Nozzle is, Drop + Ho + H + T : 176.6548 mm

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FileName : FFS-579 Page 101 of 132
Nozzle Calcs.: N13 Nozl: 27 10:40am Aug 29,2023

Input, Nozzle Desc: N13 From: 60

Pressure for Reinforcement Calculations P 15.000 kgf/cm²


Temperature for Internal Pressure Temp 60 °C
Design External Pressure Pext 1.03 kgf/cm²
Temperature for External Pressure Tempex 33 °C

Shell Material [Impact Tested] SA-516 70


Shell Allowable Stress at Temperature Sv 1406.14 kgf/cm²
Shell Allowable Stress At Ambient Sva 1406.14 kgf/cm²

Inside Diameter of Cylindrical Shell D 3658.00 mm


Design Length of Section L 17979.8906 mm
Shell Finished (Minimum) Thickness t 24.7700 mm
Shell Internal Corrosion Allowance c 0.0000 mm
Shell External Corrosion Allowance co 0.0000 mm

Distance from Bottom/Left Tangent 885.20 cm

User Entered Minimum Design Metal Temperature -8.00 °C

Type of Element Connected to the Shell : Nozzle

Material SA-106 B
Material UNS Number K03006
Material Specification/Type Smls. pipe
Allowable Stress at Temperature Sn 1202.25 kgf/cm²
Allowable Stress At Ambient Sna 1202.25 kgf/cm²

Diameter Basis (for tr calc only) ID


Layout Angle 270.00 deg
Diameter 2.0000 in.

Size and Thickness Basis Actual


Actual Thickness tn 4.8600 mm

Flange Material SA-105


Flange Type Weld Neck Flange

Corrosion Allowance can 0.0000 mm


Joint Efficiency of Shell Seam at Nozzle E1 1.00
Joint Efficiency of Nozzle Neck En 1.00

Outside Projection ho 150.0000 mm


Weld leg size between Nozzle and Pad/Shell Wo 10.0000 mm
Groove weld depth between Nozzle and Vessel Wgnv 24.7700 mm
Inside Projection h 0.0000 mm
Weld leg size, Inside Element to Shell Wi 0.0000 mm

Class of attached Flange 150


Grade of attached Flange GR 1.1

The Pressure Design option was Design Pressure + static head.

Nozzle Sketch (may not represent actual weld type/configuration)


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Nozzle Calcs.: N13 Nozl: 27 10:40am Aug 29,2023

Insert/Set-in Nozzle No Pad, no Inside projection

Reinforcement CALCULATION, Description: N13

ASME Code, Section VIII, Div. 1, 2017, UG-37 to UG-45

Actual Inside Diameter Used in Calculation 2.000 in.


Actual Thickness Used in Calculation 0.191 in.

Nozzle input data check completed without errors.

Reqd thk per UG-37(a) of Cylindrical Shell, Tr [Int. Press]


= (P*R)/(Sv*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406*1.0-0.6*15.0)
= 19.6365 mm

Reqd thk per UG-37(a) of Nozzle Wall, Trn [Int. Press]


= (P*R)/(Sn*E-0.6*P) per UG-27 (c)(1)
= (15.0*25.4)/(1202*1.0-0.6*15.0)
= 0.3193 mm

Required Nozzle thickness under External Pressure per UG-28 : 0.2804 mm

UG-40, Limits of Reinforcement : [Internal Pressure]


Parallel to Vessel Wall (Diameter Limit) Dl 110.0600 mm
Parallel to Vessel Wall Rn+tn+t 55.0300 mm
Normal to Vessel Wall (Thickness Limit), no pad Tlnp 12.1500 mm

Note:

Taking a UG-36(c)(3)(a) exemption for nozzle: N13.


This calculation is valid for nozzles that meet all the requirements of
paragraph UG-36. Please check the Code carefully, especially for nozzles
that are not isolated or do not meet Code spacing requirements. To force
the computation of areas for small nozzles go to Tools->Configuration
and check the box to force the UG-37 small nozzle area calculation or
force the Appendix 1-10 computation in Nozzle Design Options.

UG-45 Minimum Nozzle Neck Thickness Requirement: [Int. Press.]


Wall Thickness for Internal/External pressures ta = 0.3193 mm
Wall Thickness per UG16(b), tr16b = 1.5000 mm
Wall Thickness, shell/head, internal pressure trb1 = 19.6365 mm
Wall Thickness tb1 = max(trb1, tr16b) = 19.6365 mm
Wall Thickness, shell/head, external pressure trb2 = 1.3402 mm
Wall Thickness tb2 = max(trb2, tr16b) = 1.5000 mm
Wall Thickness per table UG-45 tb3 = 4.5200 mm

Determine Nozzle Thickness candidate [tb]:


= min[ tb3, max( tb1,tb2) ]
= min[ 4.52, max( 19.6365, 1.5 ) ]
= 4.5200 mm

Minimum Wall Thickness of Nozzle Necks [tUG-45]:


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= max( ta, tb )
= max( 0.3193, 4.52 )
= 4.5200 mm

Available Nozzle Neck Thickness = 4.8600 mm --> OK

Nozzle Junction Minimum Design Metal Temperature (MDMT) Calculations:

Nozzle Neck to Flange Weld, Curve: B

Govrn. thk, tg = 4.86, tr = 0.319, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.066, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle-Shell/Head Weld (UCS-66(a)1(b)), Curve: B

Govrn. thk, tg = 4.86, tr = 0.319, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.066, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Governing MDMT of all the sub-joints of this Junction : -104 °C

ANSI Flange MDMT including Temperature reduction per UCS-66.1:

Unadjusted MDMT of ANSI B16.5/47 flanges per UCS-66(c) -29 °C


Flange MDMT with Temp reduction per UCS-66(b)(1)(-b) -43 °C
Flange MDMT with Temp reduction per UCS-66(b)(1)(-c) -104 °C

Where the Stress Reduction Ratio per UCS-66(b)(1)(-b) is :


Design Pressure/Ambient Rating = 15.00/19.99 = 0.750

Note:
Using the min value from (b)(1)(-b) and (b)(1)(-c) above as the computed nozzle flange MDMT.

Weld Size Calculations, Description: N13

Intermediate Calc. for nozzle/shell Welds Tmin 4.8600 mm

Results Per UW-16.1:


Required Thickness Actual Thickness
Nozzle Weld 3.4020 = 0.7 * tmin. 7.0700 = 0.7 * Wo mm

Skipping the nozzle attachment weld strength calculations.


Per UW-15(b)(2) the nozzles exempted by UG-36(c)(3)(a)
(small nozzles) do not require a weld strength check.

Maximum Allowable Pressure for this Nozzle at this Location:


Converged Max. Allow. Pressure in Operating case 18.890 kgf/cm²

Note: The MAWP of this junction was limited by the parent Shell/Head.

The Drop for this Nozzle is : 0.2504 mm


The Cut Length for this Nozzle is, Drop + Ho + H + T : 175.0204 mm

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FileName : FFS-579 Page 104 of 132
Nozzle Calcs.: N8 Nozl: 28 10:40am Aug 29,2023

Input, Nozzle Desc: N8 From: 80

Pressure for Reinforcement Calculations P 15.000 kgf/cm²


Temperature for Internal Pressure Temp 60 °C
Design External Pressure Pext 1.03 kgf/cm²
Temperature for External Pressure Tempex 33 °C

Shell Material [Impact Tested] SA-516 70


Shell Allowable Stress at Temperature Sv 1406.14 kgf/cm²
Shell Allowable Stress At Ambient Sva 1406.14 kgf/cm²

Inside Diameter of Cylindrical Shell D 3658.00 mm


Design Length of Section L 17979.8906 mm
Shell Finished (Minimum) Thickness t 24.7800 mm
Shell Internal Corrosion Allowance c 0.0000 mm
Shell External Corrosion Allowance co 0.0000 mm

Distance from Bottom/Left Tangent 1187.80 cm

User Entered Minimum Design Metal Temperature -8.00 °C

Type of Element Connected to the Shell : Nozzle

Material SA-106 B
Material UNS Number K03006
Material Specification/Type Smls. pipe
Allowable Stress at Temperature Sn 1202.25 kgf/cm²
Allowable Stress At Ambient Sna 1202.25 kgf/cm²

Diameter Basis (for tr calc only) ID


Layout Angle 270.00 deg
Diameter 2.0000 in.

Size and Thickness Basis Actual


Actual Thickness tn 5.2500 mm

Flange Material SA-105


Flange Type Weld Neck Flange

Corrosion Allowance can 0.0000 mm


Joint Efficiency of Shell Seam at Nozzle E1 1.00
Joint Efficiency of Nozzle Neck En 1.00

Outside Projection ho 150.0000 mm


Weld leg size between Nozzle and Pad/Shell Wo 10.0000 mm
Groove weld depth between Nozzle and Vessel Wgnv 24.7800 mm
Inside Projection h 0.0000 mm
Weld leg size, Inside Element to Shell Wi 0.0000 mm

Class of attached Flange 150


Grade of attached Flange GR 1.1

The Pressure Design option was Design Pressure + static head.

Nozzle Sketch (may not represent actual weld type/configuration)


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FileName : FFS-579 Page 105 of 132
Nozzle Calcs.: N8 Nozl: 28 10:40am Aug 29,2023

Insert/Set-in Nozzle No Pad, no Inside projection

Reinforcement CALCULATION, Description: N8

ASME Code, Section VIII, Div. 1, 2017, UG-37 to UG-45

Actual Inside Diameter Used in Calculation 2.000 in.


Actual Thickness Used in Calculation 0.207 in.

Nozzle input data check completed without errors.

Reqd thk per UG-37(a) of Cylindrical Shell, Tr [Int. Press]


= (P*R)/(Sv*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406*1.0-0.6*15.0)
= 19.6365 mm

Reqd thk per UG-37(a) of Nozzle Wall, Trn [Int. Press]


= (P*R)/(Sn*E-0.6*P) per UG-27 (c)(1)
= (15.0*25.4)/(1202*1.0-0.6*15.0)
= 0.3193 mm

Required Nozzle thickness under External Pressure per UG-28 : 0.2824 mm

UG-40, Limits of Reinforcement : [Internal Pressure]


Parallel to Vessel Wall (Diameter Limit) Dl 110.8600 mm
Parallel to Vessel Wall Rn+tn+t 55.4300 mm
Normal to Vessel Wall (Thickness Limit), no pad Tlnp 13.1250 mm

Note:

Taking a UG-36(c)(3)(a) exemption for nozzle: N8.


This calculation is valid for nozzles that meet all the requirements of
paragraph UG-36. Please check the Code carefully, especially for nozzles
that are not isolated or do not meet Code spacing requirements. To force
the computation of areas for small nozzles go to Tools->Configuration
and check the box to force the UG-37 small nozzle area calculation or
force the Appendix 1-10 computation in Nozzle Design Options.

UG-45 Minimum Nozzle Neck Thickness Requirement: [Int. Press.]


Wall Thickness for Internal/External pressures ta = 0.3193 mm
Wall Thickness per UG16(b), tr16b = 1.5000 mm
Wall Thickness, shell/head, internal pressure trb1 = 19.6365 mm
Wall Thickness tb1 = max(trb1, tr16b) = 19.6365 mm
Wall Thickness, shell/head, external pressure trb2 = 1.3402 mm
Wall Thickness tb2 = max(trb2, tr16b) = 1.5000 mm
Wall Thickness per table UG-45 tb3 = 4.5200 mm

Determine Nozzle Thickness candidate [tb]:


= min[ tb3, max( tb1,tb2) ]
= min[ 4.52, max( 19.6365, 1.5 ) ]
= 4.5200 mm

Minimum Wall Thickness of Nozzle Necks [tUG-45]:


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= max( ta, tb )
= max( 0.3193, 4.52 )
= 4.5200 mm

Available Nozzle Neck Thickness = 5.2500 mm --> OK

Nozzle Junction Minimum Design Metal Temperature (MDMT) Calculations:

Nozzle Neck to Flange Weld, Curve: B

Govrn. thk, tg = 5.25, tr = 0.319, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.061, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle-Shell/Head Weld (UCS-66(a)1(b)), Curve: B

Govrn. thk, tg = 5.25, tr = 0.319, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.061, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Governing MDMT of all the sub-joints of this Junction : -104 °C

ANSI Flange MDMT including Temperature reduction per UCS-66.1:

Unadjusted MDMT of ANSI B16.5/47 flanges per UCS-66(c) -29 °C


Flange MDMT with Temp reduction per UCS-66(b)(1)(-b) -43 °C
Flange MDMT with Temp reduction per UCS-66(b)(1)(-c) -104 °C

Where the Stress Reduction Ratio per UCS-66(b)(1)(-b) is :


Design Pressure/Ambient Rating = 15.00/19.99 = 0.750

Note:
Using the min value from (b)(1)(-b) and (b)(1)(-c) above as the computed nozzle flange MDMT.

Weld Size Calculations, Description: N8

Intermediate Calc. for nozzle/shell Welds Tmin 5.2500 mm

Results Per UW-16.1:


Required Thickness Actual Thickness
Nozzle Weld 3.6750 = 0.7 * tmin. 7.0700 = 0.7 * Wo mm

Skipping the nozzle attachment weld strength calculations.


Per UW-15(b)(2) the nozzles exempted by UG-36(c)(3)(a)
(small nozzles) do not require a weld strength check.

Maximum Allowable Pressure for this Nozzle at this Location:


Converged Max. Allow. Pressure in Operating case 18.897 kgf/cm²

Note: The MAWP of this junction was limited by the parent Shell/Head.

The Drop for this Nozzle is : 0.2568 mm


The Cut Length for this Nozzle is, Drop + Ho + H + T : 175.0368 mm

PV Elite is a trademark of Intergraph CADWorx & Analysis Solutions, Inc. 2019


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FileName : FFS-579 Page 107 of 132
Nozzle Calcs.: N9 Nozl: 29 10:40am Aug 29,2023

Input, Nozzle Desc: N9 From: 80

Pressure for Reinforcement Calculations P 15.000 kgf/cm²


Temperature for Internal Pressure Temp 60 °C
Design External Pressure Pext 1.03 kgf/cm²
Temperature for External Pressure Tempex 33 °C

Shell Material [Impact Tested] SA-516 70


Shell Allowable Stress at Temperature Sv 1406.14 kgf/cm²
Shell Allowable Stress At Ambient Sva 1406.14 kgf/cm²

Inside Diameter of Cylindrical Shell D 3658.00 mm


Design Length of Section L 17979.8906 mm
Shell Finished (Minimum) Thickness t 24.7800 mm
Shell Internal Corrosion Allowance c 0.0000 mm
Shell External Corrosion Allowance co 0.0000 mm

Distance from Bottom/Left Tangent 1217.80 cm

User Entered Minimum Design Metal Temperature -8.00 °C

Type of Element Connected to the Shell : Nozzle

Material SA-106 B
Material UNS Number K03006
Material Specification/Type Smls. pipe
Allowable Stress at Temperature Sn 1202.25 kgf/cm²
Allowable Stress At Ambient Sna 1202.25 kgf/cm²

Diameter Basis (for tr calc only) ID


Layout Angle 270.00 deg
Diameter 2.0000 in.

Size and Thickness Basis Actual


Actual Thickness tn 5.6300 mm

Flange Material SA-105


Flange Type Weld Neck Flange

Corrosion Allowance can 0.0000 mm


Joint Efficiency of Shell Seam at Nozzle E1 1.00
Joint Efficiency of Nozzle Neck En 1.00

Outside Projection ho 150.0000 mm


Weld leg size between Nozzle and Pad/Shell Wo 10.0000 mm
Groove weld depth between Nozzle and Vessel Wgnv 24.7800 mm
Inside Projection h 0.0000 mm
Weld leg size, Inside Element to Shell Wi 0.0000 mm

Class of attached Flange 150


Grade of attached Flange GR 1.1

The Pressure Design option was Design Pressure + static head.

Nozzle Sketch (may not represent actual weld type/configuration)


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PV Elite 2019 SP1 Licensee:
FileName : FFS-579 Page 108 of 132
Nozzle Calcs.: N9 Nozl: 29 10:40am Aug 29,2023

Insert/Set-in Nozzle No Pad, no Inside projection

Reinforcement CALCULATION, Description: N9

ASME Code, Section VIII, Div. 1, 2017, UG-37 to UG-45

Actual Inside Diameter Used in Calculation 2.000 in.


Actual Thickness Used in Calculation 0.222 in.

Nozzle input data check completed without errors.

Reqd thk per UG-37(a) of Cylindrical Shell, Tr [Int. Press]


= (P*R)/(Sv*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406*1.0-0.6*15.0)
= 19.6365 mm

Reqd thk per UG-37(a) of Nozzle Wall, Trn [Int. Press]


= (P*R)/(Sn*E-0.6*P) per UG-27 (c)(1)
= (15.0*25.4)/(1202*1.0-0.6*15.0)
= 0.3193 mm

Required Nozzle thickness under External Pressure per UG-28 : 0.2844 mm

UG-40, Limits of Reinforcement : [Internal Pressure]


Parallel to Vessel Wall (Diameter Limit) Dl 111.6200 mm
Parallel to Vessel Wall Rn+tn+t 55.8100 mm
Normal to Vessel Wall (Thickness Limit), no pad Tlnp 14.0750 mm

Note:

Taking a UG-36(c)(3)(a) exemption for nozzle: N9.


This calculation is valid for nozzles that meet all the requirements of
paragraph UG-36. Please check the Code carefully, especially for nozzles
that are not isolated or do not meet Code spacing requirements. To force
the computation of areas for small nozzles go to Tools->Configuration
and check the box to force the UG-37 small nozzle area calculation or
force the Appendix 1-10 computation in Nozzle Design Options.

UG-45 Minimum Nozzle Neck Thickness Requirement: [Int. Press.]


Wall Thickness for Internal/External pressures ta = 0.3193 mm
Wall Thickness per UG16(b), tr16b = 1.5000 mm
Wall Thickness, shell/head, internal pressure trb1 = 19.6365 mm
Wall Thickness tb1 = max(trb1, tr16b) = 19.6365 mm
Wall Thickness, shell/head, external pressure trb2 = 1.3402 mm
Wall Thickness tb2 = max(trb2, tr16b) = 1.5000 mm
Wall Thickness per table UG-45 tb3 = 4.5200 mm

Determine Nozzle Thickness candidate [tb]:


= min[ tb3, max( tb1,tb2) ]
= min[ 4.52, max( 19.6365, 1.5 ) ]
= 4.5200 mm

Minimum Wall Thickness of Nozzle Necks [tUG-45]:


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Nozzle Calcs.: N9 Nozl: 29 10:40am Aug 29,2023

= max( ta, tb )
= max( 0.3193, 4.52 )
= 4.5200 mm

Available Nozzle Neck Thickness = 5.6300 mm --> OK

Nozzle Junction Minimum Design Metal Temperature (MDMT) Calculations:

Nozzle Neck to Flange Weld, Curve: B

Govrn. thk, tg = 5.63, tr = 0.319, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.057, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle-Shell/Head Weld (UCS-66(a)1(b)), Curve: B

Govrn. thk, tg = 5.63, tr = 0.319, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.057, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Governing MDMT of all the sub-joints of this Junction : -104 °C

ANSI Flange MDMT including Temperature reduction per UCS-66.1:

Unadjusted MDMT of ANSI B16.5/47 flanges per UCS-66(c) -29 °C


Flange MDMT with Temp reduction per UCS-66(b)(1)(-b) -43 °C
Flange MDMT with Temp reduction per UCS-66(b)(1)(-c) -104 °C

Where the Stress Reduction Ratio per UCS-66(b)(1)(-b) is :


Design Pressure/Ambient Rating = 15.00/19.99 = 0.750

Note:
Using the min value from (b)(1)(-b) and (b)(1)(-c) above as the computed nozzle flange MDMT.

Weld Size Calculations, Description: N9

Intermediate Calc. for nozzle/shell Welds Tmin 5.6300 mm

Results Per UW-16.1:


Required Thickness Actual Thickness
Nozzle Weld 3.9410 = 0.7 * tmin. 7.0700 = 0.7 * Wo mm

Skipping the nozzle attachment weld strength calculations.


Per UW-15(b)(2) the nozzles exempted by UG-36(c)(3)(a)
(small nozzles) do not require a weld strength check.

Maximum Allowable Pressure for this Nozzle at this Location:


Converged Max. Allow. Pressure in Operating case 18.897 kgf/cm²

Note: The MAWP of this junction was limited by the parent Shell/Head.

The Drop for this Nozzle is : 0.2634 mm


The Cut Length for this Nozzle is, Drop + Ho + H + T : 175.0434 mm

PV Elite is a trademark of Intergraph CADWorx & Analysis Solutions, Inc. 2019


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PV Elite 2019 SP1 Licensee:
FileName : FFS-579 Page 110 of 132
Nozzle Calcs.: N10 Nozl: 30 10:40am Aug 29,2023

Input, Nozzle Desc: N10 From: 80

Pressure for Reinforcement Calculations P 15.000 kgf/cm²


Temperature for Internal Pressure Temp 60 °C
Design External Pressure Pext 1.03 kgf/cm²
Temperature for External Pressure Tempex 33 °C

Shell Material [Impact Tested] SA-516 70


Shell Allowable Stress at Temperature Sv 1406.14 kgf/cm²
Shell Allowable Stress At Ambient Sva 1406.14 kgf/cm²

Inside Diameter of Cylindrical Shell D 3658.00 mm


Design Length of Section L 17979.8906 mm
Shell Finished (Minimum) Thickness t 24.7800 mm
Shell Internal Corrosion Allowance c 0.0000 mm
Shell External Corrosion Allowance co 0.0000 mm

Distance from Bottom/Left Tangent 1247.80 cm

User Entered Minimum Design Metal Temperature -8.00 °C

Type of Element Connected to the Shell : Nozzle

Material SA-106 B
Material UNS Number K03006
Material Specification/Type Smls. pipe
Allowable Stress at Temperature Sn 1202.25 kgf/cm²
Allowable Stress At Ambient Sna 1202.25 kgf/cm²

Diameter Basis (for tr calc only) ID


Layout Angle 270.00 deg
Diameter 2.0000 in.

Size and Thickness Basis Actual


Actual Thickness tn 5.7300 mm

Flange Material SA-105


Flange Type Weld Neck Flange

Corrosion Allowance can 0.0000 mm


Joint Efficiency of Shell Seam at Nozzle E1 1.00
Joint Efficiency of Nozzle Neck En 1.00

Outside Projection ho 150.0000 mm


Weld leg size between Nozzle and Pad/Shell Wo 10.0000 mm
Groove weld depth between Nozzle and Vessel Wgnv 24.7800 mm
Inside Projection h 0.0000 mm
Weld leg size, Inside Element to Shell Wi 0.0000 mm

Class of attached Flange 150


Grade of attached Flange GR 1.1

The Pressure Design option was Design Pressure + static head.

Nozzle Sketch (may not represent actual weld type/configuration)


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Insert/Set-in Nozzle No Pad, no Inside projection

Reinforcement CALCULATION, Description: N10

ASME Code, Section VIII, Div. 1, 2017, UG-37 to UG-45

Actual Inside Diameter Used in Calculation 2.000 in.


Actual Thickness Used in Calculation 0.226 in.

Nozzle input data check completed without errors.

Reqd thk per UG-37(a) of Cylindrical Shell, Tr [Int. Press]


= (P*R)/(Sv*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406*1.0-0.6*15.0)
= 19.6365 mm

Reqd thk per UG-37(a) of Nozzle Wall, Trn [Int. Press]


= (P*R)/(Sn*E-0.6*P) per UG-27 (c)(1)
= (15.0*25.4)/(1202*1.0-0.6*15.0)
= 0.3193 mm

Required Nozzle thickness under External Pressure per UG-28 : 0.2849 mm

UG-40, Limits of Reinforcement : [Internal Pressure]


Parallel to Vessel Wall (Diameter Limit) Dl 111.8200 mm
Parallel to Vessel Wall Rn+tn+t 55.9100 mm
Normal to Vessel Wall (Thickness Limit), no pad Tlnp 14.3250 mm

Note:

Taking a UG-36(c)(3)(a) exemption for nozzle: N10.


This calculation is valid for nozzles that meet all the requirements of
paragraph UG-36. Please check the Code carefully, especially for nozzles
that are not isolated or do not meet Code spacing requirements. To force
the computation of areas for small nozzles go to Tools->Configuration
and check the box to force the UG-37 small nozzle area calculation or
force the Appendix 1-10 computation in Nozzle Design Options.

UG-45 Minimum Nozzle Neck Thickness Requirement: [Int. Press.]


Wall Thickness for Internal/External pressures ta = 0.3193 mm
Wall Thickness per UG16(b), tr16b = 1.5000 mm
Wall Thickness, shell/head, internal pressure trb1 = 19.6365 mm
Wall Thickness tb1 = max(trb1, tr16b) = 19.6365 mm
Wall Thickness, shell/head, external pressure trb2 = 1.3402 mm
Wall Thickness tb2 = max(trb2, tr16b) = 1.5000 mm
Wall Thickness per table UG-45 tb3 = 4.5200 mm

Determine Nozzle Thickness candidate [tb]:


= min[ tb3, max( tb1,tb2) ]
= min[ 4.52, max( 19.6365, 1.5 ) ]
= 4.5200 mm

Minimum Wall Thickness of Nozzle Necks [tUG-45]:


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= max( ta, tb )
= max( 0.3193, 4.52 )
= 4.5200 mm

Available Nozzle Neck Thickness = 5.7300 mm --> OK

Nozzle Junction Minimum Design Metal Temperature (MDMT) Calculations:

Nozzle Neck to Flange Weld, Curve: B

Govrn. thk, tg = 5.73, tr = 0.319, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.056, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle-Shell/Head Weld (UCS-66(a)1(b)), Curve: B

Govrn. thk, tg = 5.73, tr = 0.319, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.056, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Governing MDMT of all the sub-joints of this Junction : -104 °C

ANSI Flange MDMT including Temperature reduction per UCS-66.1:

Unadjusted MDMT of ANSI B16.5/47 flanges per UCS-66(c) -29 °C


Flange MDMT with Temp reduction per UCS-66(b)(1)(-b) -43 °C
Flange MDMT with Temp reduction per UCS-66(b)(1)(-c) -104 °C

Where the Stress Reduction Ratio per UCS-66(b)(1)(-b) is :


Design Pressure/Ambient Rating = 15.00/19.99 = 0.750

Note:
Using the min value from (b)(1)(-b) and (b)(1)(-c) above as the computed nozzle flange MDMT.

Weld Size Calculations, Description: N10

Intermediate Calc. for nozzle/shell Welds Tmin 5.7300 mm

Results Per UW-16.1:


Required Thickness Actual Thickness
Nozzle Weld 4.0110 = 0.7 * tmin. 7.0700 = 0.7 * Wo mm

Skipping the nozzle attachment weld strength calculations.


Per UW-15(b)(2) the nozzles exempted by UG-36(c)(3)(a)
(small nozzles) do not require a weld strength check.

Maximum Allowable Pressure for this Nozzle at this Location:


Converged Max. Allow. Pressure in Operating case 18.897 kgf/cm²

Note: The MAWP of this junction was limited by the parent Shell/Head.

The Drop for this Nozzle is : 0.2649 mm


The Cut Length for this Nozzle is, Drop + Ho + H + T : 175.0450 mm

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Nozzle Calcs.: N7 Nozl: 31 10:40am Aug 29,2023

Input, Nozzle Desc: N7 From: 100

Pressure for Reinforcement Calculations P 15.000 kgf/cm²


Temperature for Internal Pressure Temp 60 °C
Design External Pressure Pext 1.03 kgf/cm²
Temperature for External Pressure Tempex 33 °C

Shell Material [Impact Tested] SA-516 70


Shell Allowable Stress at Temperature Sv 1406.14 kgf/cm²
Shell Allowable Stress At Ambient Sva 1406.14 kgf/cm²

Inside Diameter of Cylindrical Shell D 3658.00 mm


Design Length of Section L 17979.8906 mm
Shell Finished (Minimum) Thickness t 24.7800 mm
Shell Internal Corrosion Allowance c 0.0000 mm
Shell External Corrosion Allowance co 0.0000 mm

Distance from Bottom/Left Tangent 1670.40 cm

User Entered Minimum Design Metal Temperature -8.00 °C

Type of Element Connected to the Shell : Nozzle

Material SA-106 B
Material UNS Number K03006
Material Specification/Type Smls. pipe
Allowable Stress at Temperature Sn 1202.25 kgf/cm²
Allowable Stress At Ambient Sna 1202.25 kgf/cm²

Diameter Basis (for tr calc only) ID


Layout Angle 270.00 deg
Diameter 2.0000 in.

Size and Thickness Basis Actual


Actual Thickness tn 4.8700 mm

Flange Material SA-105


Flange Type Weld Neck Flange

Corrosion Allowance can 0.0000 mm


Joint Efficiency of Shell Seam at Nozzle E1 1.00
Joint Efficiency of Nozzle Neck En 1.00

Outside Projection ho 150.0000 mm


Weld leg size between Nozzle and Pad/Shell Wo 10.0000 mm
Groove weld depth between Nozzle and Vessel Wgnv 24.7800 mm
Inside Projection h 0.0000 mm
Weld leg size, Inside Element to Shell Wi 0.0000 mm

Pad Material SA-516 70


Pad Allowable Stress at Temperature Sp 1406.14 kgf/cm²
Pad Allowable Stress At Ambient Spa 1406.14 kgf/cm²
Diameter of Pad along vessel surface Dp 270.0000 mm
Thickness of Pad te 24.8000 mm
Weld leg size between Pad and Shell Wp 20.0000 mm
Groove weld depth between Pad and Nozzle Wgpn 24.8000 mm
Reinforcing Pad Width 104.7300 mm

Class of attached Flange 150


Grade of attached Flange GR 1.1

The Pressure Design option was Design Pressure + static head.

Nozzle Sketch (may not represent actual weld type/configuration)


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Insert/Set-in Nozzle With Pad, no Inside projection

Reinforcement CALCULATION, Description: N7

ASME Code, Section VIII, Div. 1, 2017, UG-37 to UG-45

Actual Inside Diameter Used in Calculation 2.000 in.


Actual Thickness Used in Calculation 0.192 in.

Nozzle input data check completed without errors.

Reqd thk per UG-37(a) of Cylindrical Shell, Tr [Int. Press]


= (P*R)/(Sv*E-0.6*P) per UG-27 (c)(1)
= (15.0*1829.0)/(1406*1.0-0.6*15.0)
= 19.6365 mm

Reqd thk per UG-37(a) of Nozzle Wall, Trn [Int. Press]


= (P*R)/(Sn*E-0.6*P) per UG-27 (c)(1)
= (15.0*25.4)/(1202*1.0-0.6*15.0)
= 0.3193 mm

Required Nozzle thickness under External Pressure per UG-28 : 0.2804 mm

UG-40, Limits of Reinforcement : [Internal Pressure]


Parallel to Vessel Wall (Diameter Limit) Dl 110.1000 mm
Parallel to Vessel Wall Rn+tn+t 55.0500 mm
Normal to Vessel Wall (Thickness Limit), pad side Tlwp 36.9750 mm

Note: The Pad diameter is greater than the Diameter Limit. The excess will not be considered.

Note:

Taking a UG-36(c)(3)(a) exemption for nozzle: N7.


This calculation is valid for nozzles that meet all the requirements of
paragraph UG-36. Please check the Code carefully, especially for nozzles
that are not isolated or do not meet Code spacing requirements. To force
the computation of areas for small nozzles go to Tools->Configuration
and check the box to force the UG-37 small nozzle area calculation or
force the Appendix 1-10 computation in Nozzle Design Options.

UG-45 Minimum Nozzle Neck Thickness Requirement: [Int. Press.]


Wall Thickness for Internal/External pressures ta = 0.3193 mm
Wall Thickness per UG16(b), tr16b = 1.5000 mm
Wall Thickness, shell/head, internal pressure trb1 = 19.6365 mm
Wall Thickness tb1 = max(trb1, tr16b) = 19.6365 mm
Wall Thickness, shell/head, external pressure trb2 = 1.3402 mm
Wall Thickness tb2 = max(trb2, tr16b) = 1.5000 mm
Wall Thickness per table UG-45 tb3 = 4.5200 mm

Determine Nozzle Thickness candidate [tb]:


= min[ tb3, max( tb1,tb2) ]
= min[ 4.52, max( 19.6365, 1.5 ) ]
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= 4.5200 mm

Minimum Wall Thickness of Nozzle Necks [tUG-45]:


= max( ta, tb )
= max( 0.3193, 4.52 )
= 4.5200 mm

Available Nozzle Neck Thickness = 4.8700 mm --> OK

Nozzle Junction Minimum Design Metal Temperature (MDMT) Calculations:

Nozzle Neck to Flange Weld, Curve: B

Govrn. thk, tg = 4.87, tr = 0.319, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.066, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for the Nozzle, Curve: B

Govrn. thk, tg = 4.87, tr = 0.319, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.066, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for Reinforcement pad, Curve: B

Govrn. thk, tg = 4.87, tr = 0.319, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.066, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Shell to Pad Weld Junction at Pad OD, Curve: B

Govrn. thk, tg = 24.78, tr = 19.637, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.792, Temp. Reduction = 12 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -1 °C


Min Metal Temp. at Required thickness (UCS 66.1) -13 °C

Nozzle-Shell/Head Weld (UCS-66(a)1(b)), Curve: B

Govrn. thk, tg = 4.87, tr = 0.319, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.066, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -29 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Governing MDMT of the Nozzle : -104 °C


Governing MDMT of the Reinforcement Pad : -13 °C
Governing MDMT of all the sub-joints of this Junction : -13 °C

ANSI Flange MDMT including Temperature reduction per UCS-66.1:

Unadjusted MDMT of ANSI B16.5/47 flanges per UCS-66(c) -29 °C


Flange MDMT with Temp reduction per UCS-66(b)(1)(-b) -43 °C
Flange MDMT with Temp reduction per UCS-66(b)(1)(-c) -104 °C

Where the Stress Reduction Ratio per UCS-66(b)(1)(-b) is :


Design Pressure/Ambient Rating = 15.00/19.99 = 0.750

Note:
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Using the min value from (b)(1)(-b) and (b)(1)(-c) above as the computed nozzle flange MDMT.

Weld Size Calculations, Description: N7

Intermediate Calc. for nozzle/shell Welds Tmin 4.8700 mm


Intermediate Calc. for pad/shell Welds TminPad 19.0000 mm

Results Per UW-16.1:


Required Thickness Actual Thickness
Nozzle Weld 3.4090 = 0.7 * tmin. 7.0700 = 0.7 * Wo mm
Pad Weld 9.5000 = 0.5*TminPad 14.1400 = 0.7 * Wp mm

Skipping the nozzle attachment weld strength calculations.


Per UW-15(b)(2) the nozzles exempted by UG-36(c)(3)(a)
(small nozzles) do not require a weld strength check.

Maximum Allowable Pressure for this Nozzle at this Location:


Converged Max. Allow. Pressure in Operating case 18.897 kgf/cm²

Note: The MAWP of this junction was limited by the parent Shell/Head.

The Drop for this Nozzle is : 0.2506 mm


The Cut Length for this Nozzle is, Drop + Ho + H + T : 175.0306 mm

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Nozzle Calcs.: MH2 Nozl: 32 10:40am Aug 29,2023

Input, Nozzle Desc: MH2 From: 110

Pressure for Reinforcement Calculations P 15.000 kgf/cm²


Temperature for Internal Pressure Temp 60 °C
Design External Pressure Pext 1.03 kgf/cm²
Temperature for External Pressure Tempex 33 °C

Shell Material [Impact Tested] SA-516 70


Shell Allowable Stress at Temperature Sv 1406.14 kgf/cm²
Shell Allowable Stress At Ambient Sva 1406.14 kgf/cm²

Inside Diameter of Elliptical Head D 3658.00 mm


Aspect Ratio of Elliptical Head Ar 1.50
Head Finished (Minimum) Thickness t 26.7700 mm
Head Internal Corrosion Allowance c 0.0000 mm
Head External Corrosion Allowance co 0.0000 mm

Distance from Head Centerline L1 0.0000 mm

User Entered Minimum Design Metal Temperature -8.00 °C

Type of Element Connected to the Shell : Nozzle

Material SA-106 B
Material UNS Number K03006
Material Specification/Type Smls. pipe
Allowable Stress at Temperature Sn 1202.25 kgf/cm²
Allowable Stress At Ambient Sna 1202.25 kgf/cm²

Diameter Basis (for tr calc only) ID


Layout Angle 0.00 deg
Diameter 20.0000 in.

Size and Thickness Basis Actual


Actual Thickness tn 24.5000 mm

Flange Material SA-105


Flange Type Weld Neck Flange

Corrosion Allowance can 0.0000 mm


Joint Efficiency of Shell Seam at Nozzle E1 1.00
Joint Efficiency of Nozzle Neck En 1.00

Outside Projection ho 75.0000 mm


Weld leg size between Nozzle and Pad/Shell Wo 10.0000 mm
Groove weld depth between Nozzle and Vessel Wgnv 26.7700 mm
Inside Projection h 0.0000 mm
Weld leg size, Inside Element to Shell Wi 0.0000 mm

Pad Material SA-516 70


Pad Allowable Stress at Temperature Sp 1406.14 kgf/cm²
Pad Allowable Stress At Ambient Spa 1406.14 kgf/cm²
Diameter of Pad along vessel surface Dp 608.0000 mm
Thickness of Pad te 25.8900 mm
Weld leg size between Pad and Shell Wp 22.0000 mm
Groove weld depth between Pad and Nozzle Wgpn 25.8900 mm
Reinforcing Pad Width 25.5000 mm
This is a Manway or Access Opening.

Class of attached Flange 150


Grade of attached Flange GR 1.1

The Pressure Design option was Design Pressure + static head.


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Nozzle Sketch (may not represent actual weld type/configuration)

Insert/Set-in Nozzle With Pad, no Inside projection

Reinforcement CALCULATION, Description: MH2

ASME Code, Section VIII, Div. 1, 2017, UG-37 to UG-45

Actual Inside Diameter Used in Calculation 20.000 in.


Actual Thickness Used in Calculation 0.965 in.

Nozzle input data check completed without errors.

Reqd thk per UG-37(a) of Elliptical Head, Tr [Int. Press]


= (P*K1*D))/(2*Sv*E-0.2*P) per UG-37(a)(3)
= (15.0*0.692*3658.0)/(2 *1406.14*1.0-0.2*15.0)
= 13.5257 mm

Reqd thk per UG-37(a) of Nozzle Wall, Trn [Int. Press]


= (P*R)/(Sn*E-0.6*P) per UG-27 (c)(1)
= (15.0*254.0)/(1202*1.0-0.6*15.0)
= 3.1930 mm

Required Nozzle thickness under External Pressure per UG-28 : 0.7547 mm

UG-40, Limits of Reinforcement : [Internal Pressure]


Parallel to Vessel Wall (Diameter Limit) Dl 1016.0000 mm
Parallel to Vessel Wall, opening length d 508.0000 mm
Normal to Vessel Wall (Thickness Limit), pad side Tlwp 66.9250 mm

Weld Strength Reduction Factor [fr1]:


= min( 1, Sn/Sv )
= min( 1, 1202.2/1406.1 )
= 0.855

Weld Strength Reduction Factor [fr2]:


= min( 1, Sn/Sv )
= min( 1, 1202.2/1406.1 )
= 0.855

Weld Strength Reduction Factor [fr4]:


= min( 1, Sp/Sv )
= min( 1, 1406.1/1406.1 )
= 1.000

Weld Strength Reduction Factor [fr3]:


= min( fr2, fr4 )
= min( 0.855, 1.0 )
= 0.855

Results of Nozzle Reinforcement Area Calculations: (cm²)

AREA AVAILABLE, A1 to A5 Design External Mapnc


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Area Required Ar 69.672 18.820 NA


Area in Shell A1 66.340 97.489 NA
Area in Nozzle Wall A2 24.384 27.175 NA
Area in Inward Nozzle A3 0.000 0.000 NA
Area in Welds A41+A42+A43 5.695 5.695 NA
Area in Element A5 13.204 13.204 NA
TOTAL AREA AVAILABLE Atot 109.623 143.562 NA

The Internal Pressure Case Governs the Analysis.

Nozzle Angle Used in Area Calculations 90.00 Degs.

The area available without a pad is Sufficient.


The area available with the given pad is Sufficient.

Area Required [A]:


= ( d * tr*F + 2 * tn * tr*F * (1-fr1) ) UG-37(c)
= (508.0*13.5257*1.0+2*24.5*13.5257*1.0*(1-0.86))
= 69.672 cm²

Reinforcement Areas per Figure UG-37.1

Area Available in Shell [A1]:


= d( E1*t - F*tr ) - 2 * tn( E1*t - F*tr ) * ( 1 - fr1 )
= 508.0( 1.0 * 26.77 - 1.0 * 13.526 ) - 2 * 24.5
( 1.0 * 26.77 - 1.0 * 13.5257 ) * ( 1 - 0.855 )
= 66.340 cm²

Area Available in Nozzle Wall Projecting Outward [A2]:


= ( 2 * Tlwp ) * ( tn - trn ) * fr2
= ( 2 * 66.93 ) * ( 24.5 - 3.19 ) * 0.855
= 24.384 cm²

Area Available in Welds [A41 + A42 + A43]:


= Wo² * fr3 + (Wi-can/0.707)² * fr2 + Wp² * fr4
= 10.0² * 0.86 + (0.0)² * 0.86 + 22.0² * 1.0
= 5.695 cm²

Area Available in Element [A5]:


= (min(Dp,DL)-(Nozzle OD))*(min(tp,Tlwp,te)) * fr4
= ( 608.0 - 557.0 ) * 25.89 * 1.0
= 13.204 cm²

Nozzle Junction Minimum Design Metal Temperature (MDMT) Calculations:

Nozzle Neck to Flange Weld, Curve: B

Govrn. thk, tg = 24.5, tr = 3.193, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.13, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -2 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for the Nozzle, Curve: B

Govrn. thk, tg = 24.5, tr = 3.193, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.13, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -2 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Nozzle Neck to Pad Weld for Reinforcement pad, Curve: B

Govrn. thk, tg = 24.5, tr = 3.193, c = 0.0 mm, E* = 1.0


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Thickness Ratio = tr * (E*)/(tg - c) = 0.13, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -2 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Shell to Pad Weld Junction at Pad OD, Curve: B

Govrn. thk, tg = 25.89, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.505, Temp. Reduction = 32 °C
Pad governing, Conservatively assuming Pad stress = Shell stress(Div. 1 L-9.3).

Min Metal Temp. w/o impact per UCS-66, Curve B 0 °C


Min Metal Temp. at Required thickness (UCS 66.1) -32 °C

Nozzle-Shell/Head Weld (UCS-66(a)1(b)), Curve: B

Govrn. thk, tg = 24.5, tr = 3.193, c = 0.0 mm, E* = 1.0


Thickness Ratio = tr * (E*)/(tg - c) = 0.13, Temp. Reduction = 78 °C

Min Metal Temp. w/o impact per UCS-66, Curve B -2 °C


Min Metal Temp. at Required thickness (UCS 66.1) -104 °C

Governing MDMT of the Nozzle : -104 °C


Governing MDMT of the Reinforcement Pad : -32 °C
Governing MDMT of all the sub-joints of this Junction : -32 °C

ANSI Flange MDMT including Temperature reduction per UCS-66.1:

Unadjusted MDMT of ANSI B16.5/47 flanges per UCS-66(c) -29 °C


Flange MDMT with Temp reduction per UCS-66(b)(1)(-b) -43 °C
Flange MDMT with Temp reduction per UCS-66(b)(1)(-c) -104 °C

Where the Stress Reduction Ratio per UCS-66(b)(1)(-b) is :


Design Pressure/Ambient Rating = 15.00/19.99 = 0.750

Note:
Using the min value from (b)(1)(-b) and (b)(1)(-c) above as the computed nozzle flange MDMT.

Weld Size Calculations, Description: MH2

Intermediate Calc. for nozzle/shell Welds Tmin 19.0000 mm


Intermediate Calc. for pad/shell Welds TminPad 19.0000 mm

Results Per UW-16.1:


Required Thickness Actual Thickness
Nozzle Weld 6.0000 = Min per Code 7.0700 = 0.7 * Wo mm
Pad Weld 9.5000 = 0.5*TminPad 15.5540 = 0.7 * Wp mm

Weld Strength and Weld Loads per UG-41.1, Sketch (a) or (b)

Weld Load [W]:


= max( 0, (A-A1+2*tn*fr1*(E1*t-tr))Sv)
= max( 0, (69.6716 - 66.34 + 2 * 24.5 * 0.855 *
(1.0 * 26.77 - 13.5257 ) )1406)
= 12486.79 kgf

Note: F is always set to 1.0 throughout the calculation.

Weld Load [W1]:


= (A2+A5+A4-(Wi-Can/.707)²*fr2)*Sv
= ( 24.3841 + 13.2039 + 5.695 - 0.0 * 0.86 ) * 1406
= 60861.93 kgf

Weld Load [W2]:


= (A2 + A3 + A4 + (2 * tn * t * fr1)) * Sv
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= ( 24.3841 + 0.0 + 0.855 + ( 11.2153 ) ) * 1406


= 51259.98 kgf

Weld Load [W3]:


= (A2+A3+A4+A5+(2*tn*t*fr1))*S
= ( 24.3841 + 0.0 + 5.695 + 13.2039 + ( 11.2153 ) ) * 1406
= 76632.18 kgf

Strength of Connection Elements for Failure Path Analysis

Shear, Outward Nozzle Weld [Sonw]:


= (pi/2) * Dlo * Wo * 0.49 * Snw
= ( 3.1416/2.0 ) * 557.0 * 10.0 * 0.49 * 1202
= 51542. kgf

Shear, Pad Element Weld [Spew]:


= (pi/2) * DP * WP * 0.49 * SEW
= ( 3.1416/2.0 ) * 608.0 * 22.0 * 0.49 * 1406
= 144767. kgf

Shear, Nozzle Wall [Snw]:


= (pi *( Dlr + Dlo )/4 ) * ( Thk - Can ) * 0.7 * Sn
= (3.1416 * 266.25) * ( 24.5 - 0.0 ) * 0.7 * 1202
= 172464. kgf

Tension, Pad Groove Weld [Tpgw]:


= ( pi/2) * Dlo * Wgpn * 0.74 * Seg
= (3.1416/2 ) * 557.0 * 25.89 * 0.74 * 1406
= 235704. kgf

Tension, Shell Groove Weld [Tngw]:


= (pi/2) * Dlo * (Wgnvi-Cas) * 0.74 * Sng
= ( 3.1416/2.0 ) * 557.0 * ( 26.77 - 0.0 ) * 0.74 * 1406
= 243716. kgf

Strength of Failure Paths:

PATH11 = ( SPEW + SNW ) = ( 144767 + 172464 ) = 317231 kgf


PATH22 = ( Sonw + Tpgw + Tngw + Sinw )
= ( 51542 + 235704 + 243716 + 0 ) = 530962 kgf
PATH33 = ( Spew + Tngw + Sinw )
= ( 144767 + 243716 + 0 ) = 388483 kgf

Summary of Failure Path Calculations:


Path 1-1 = 317230 kgf, must exceed W = 12486 kgf or W1 = 60861 kgf
Path 2-2 = 530961 kgf, must exceed W = 12486 kgf or W2 = 51259 kgf
Path 3-3 = 388482 kgf, must exceed W = 12486 kgf or W3 = 76632 kgf

Maximum Allowable Pressure for this Nozzle at this Location:


Converged Max. Allow. Pressure in Operating case 19.241 kgf/cm²

Nozzle is O.K. for the External Pressure 1.030 kgf/cm²

The Drop for this Nozzle is : 15.2933 mm


The Cut Length for this Nozzle is, Drop + Ho + H + T : 117.0633 mm

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Nozzle Schedule:

Nominal or Schd Flg Nozzle Wall Reinforcing Pad Cut Flg


Actual or FVC Type O/Dia Thk Diameter Thk Length Class
Description Size Type in mm mm mm mm

N5 2.000 in Actual WNF 2.385 4.890 ... ... 175.02 150


N11 2.000 in Actual WNF 2.433 5.500 ... ... 175.03 150
N13 2.000 in Actual WNF 2.383 4.860 ... ... 175.02 150
N8 2.000 in Actual WNF 2.413 5.250 ... ... 175.04 150
N9 2.000 in Actual WNF 2.443 5.630 ... ... 175.04 150
N10 2.000 in Actual WNF 2.451 5.730 ... ... 175.04 150
N7 2.000 in Actual WNF 2.383 4.870 270.00 24.80 175.03 150
N6 3.000 in Actual WNF 3.440 5.590 190.00 24.78 178.72 150
N1 4.000 in Actual WNF 4.443 5.620 216.00 24.83 175.47 150
N4 4.000 in Actual WNF 4.437 5.550 216.00 26.00 175.64 150
N2 6.000 in Actual WNF 6.606 7.700 216.00 28.00 176.53 150
N18 6.000 in Actual WNF 6.613 7.780 216.00 28.00 176.53 150
N3 6.000 in Actual WNF 6.554 7.030 250.00 24.80 176.67 150
N12 6.000 in Actual WNF 6.536 6.810 270.00 25.29 176.65 150
MH1 20.000 in Actual WNF 21.929 24.500 754.00 24.79 199.53 150
MH2 20.000 in Actual WNF 21.929 24.500 608.00 25.89 117.06 150

General Notes for the above table:

The Cut Length is the Outside Projection + Inside Projection + Drop +


In Plane Shell Thickness. This value does not include weld gaps,
nor does it account for shrinkage.

In the case of Oblique Nozzles, the Outside Diameter must


be increased. The Re-Pad WIDTH around the nozzle is calculated as follows:
Width of Pad = (Pad Outside Dia. (per above) - Nozzle Outside Dia.)/2

For hub nozzles, the thickness and diameter shown are those of the smaller
and thinner section.

Nozzle Material and Weld Fillet Leg Size Details (mm):

Shl Grve Noz Shl/Pad Pad OD Pad Grve Inside


Description Material Weld Weld Weld Weld Weld

N5 SA-106 B 24.770 10.000 ... ... ...


N11 SA-106 B 24.770 10.000 ... ... ...
N13 SA-106 B 24.770 10.000 ... ... ...
N8 SA-106 B 24.780 10.000 ... ... ...
N9 SA-106 B 24.780 10.000 ... ... ...
N10 SA-106 B 24.780 10.000 ... ... ...
N7 SA-106 B 24.780 10.000 20.000 24.800 ...
N6 SA-106 B 24.790 10.000 20.000 24.780 ...
N1 SA-106 B 24.600 10.000 20.000 24.830 ...
N4 SA-106 B 24.770 10.000 20.000 26.000 ...
N2 SA-106 B 24.600 10.000 20.000 24.830 ...
N18 SA-106 B 24.600 10.000 20.000 24.800 ...
N3 SA-106 B 24.780 10.000 20.000 24.780 ...
N12 SA-106 B 24.770 10.000 20.000 25.290 ...
MH1 SA-106 B 24.790 10.000 20.000 24.790 ...
MH2 SA-106 B 26.770 10.000 22.000 25.890 ...

Note: The Outside projections below do not include the flange thickness.

Nozzle Miscellaneous Data:

Elev/Distance Layout Proj Proj Installed in


Description From Datum Angle Outside Inside Component
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cm deg mm mm

N5 785.200 90.0 150.00 0.00 SHELL 5


N11 785.200 270.0 150.00 0.00 SHELL 5
N13 865.200 270.0 150.00 0.00 SHELL 5
N8 1167.800 270.0 150.00 0.00 SHELL 7
N9 1197.800 270.0 150.00 0.00 SHELL 7
N10 1227.800 270.0 150.00 0.00 SHELL 7
N7 1650.400 270.0 150.00 0.00 SHELL 9
N6 598.900 90.0 150.00 0.00 SHELL 4
N1 30.000 90.0 150.00 0.00 SHELL 1
N4 825.200 90.0 150.00 0.00 SHELL 5
N2 100.000 90.0 150.00 0.00 SHELL 1
N18 20.000 270.0 150.00 0.00 SHELL 1
N3 206.300 90.0 150.00 0.00 SHELL 2
N12 825.200 270.0 150.00 0.00 SHELL 5
MH1 658.900 90.0 150.00 0.00 SHELL 4
MH2 ... 0.0 75.00 0.00 HEAD 2

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Minimum Design Metal Temperature Results Summary :

Curve Basic Reduced UG-20(f) Thickness Gov E* PWHT


Description MDMT MDMT MDMT ratio Thk reqd
Notes °C °C °C mm

HEAD 1 [10] ! -8 -37 0.526 26.690 1.00 No


HEAD 1 [7] ! -8 -22 0.746 26.690 1.00 No
SHELL 1 [8] ! -8 -19 0.810 24.600 1.00 No
SHELL 2 [8] ! -8 -19 0.804 24.780 1.00 No
SHELL 3 [8] ! -8 -19 0.804 24.780 1.00 No
SHELL 4 [8] ! -8 -24 0.707 28.200 1.00 No
SHELL 5 [8] ! -8 -19 0.804 24.770 1.00 No
SHELL 6 [8] ! -8 -19 0.803 24.800 1.00 No
SHELL 7 [8] ! -8 -19 0.804 24.780 1.00 No
SHELL 8 [8] ! -8 -19 0.804 24.770 1.00 No
SHELL 9 [8] ! -8 -19 0.804 24.780 1.00 No
HEAD 2 [10] ! -8 -37 0.524 26.770 1.00 No
HEAD 2 [7] ! -8 -22 0.744 26.770 1.00 No
N1 [1] B -1 -13 0.798 24.600 1.00 No
Nozzle Flg [4] B -29 -104
N2 [1] B -1 -13 0.798 24.600 1.00 No
Nozzle Flg [4] B -29 -104
N18 [1] B -1 -13 0.798 24.600 1.00 No
Nozzle Flg [4] B -29 -104
N3 [1] B -1 -13 0.792 24.780 1.00 No
Nozzle Flg [4] B -29 -104
MH1 [1] B -1 -18 0.696 24.790 1.00 No
Nozzle Flg [4] B -29 -104
N6 [1] B -1 -18 0.696 24.780 1.00 No
Nozzle Flg [4] B -29 -104
N5 [1] B -29 -104 0.065 4.890 1.00 No
Nozzle Flg [4] B -29 -104
N4 [1] B -1 -13 0.793 24.770 1.00 No
Nozzle Flg [4] B -29 -104
N11 [1] B -29 -104 0.058 5.500 1.00 No
Nozzle Flg [4] B -29 -104
N12 [1] B -1 -13 0.793 24.770 1.00 No
Nozzle Flg [4] B -29 -104
N13 [1] B -29 -104 0.066 4.860 1.00 No
Nozzle Flg [4] B -29 -104
N8 [1] B -29 -104 0.061 5.250 1.00 No
Nozzle Flg [4] B -29 -104
N9 [1] B -29 -104 0.057 5.630 1.00 No
Nozzle Flg [4] B -29 -104
N10 [1] B -29 -104 0.056 5.730 1.00 No
Nozzle Flg [4] B -29 -104
N7 [1] B -1 -13 0.792 24.780 1.00 No
Nozzle Flg [4] B -29 -104
MH2 [1] B 0 -32 0.505 25.890 1.00 No
Nozzle Flg [4] B -29 -104

Warmest MDMT: 0 -13

Required Minimum Design Metal Temperature -8.0 °C


Warmest Computed Minimum Design Metal Temperature -13.0 °C

Notes:
[ ! ] - This was an impact tested material.
[ 1] - Governing Nozzle Weld.
[ 4] - ANSI Flange MDMT Calcs; Thickness ratio per UCS-66(b)(1)(-c).
[ 5] - ANSI Flange MDMT Calcs; Thickness ratio per UCS-66(b)(1)(-b).
[ 6] - MDMT Calculations at the Shell/Head Joint.
[ 7] - MDMT Calculations for the Straight Flange.
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[ 8] - Cylinder/Cone/Flange Junction MDMT.


[ 9] - Calculations in the Spherical Portion of the Head.
[10] - Calculations in the Knuckle Portion of the Head.
[11] - Calculated (Body Flange) Flange MDMT.
[12] - Calculated Flat Head MDMT per UCS-66.3
[13] - Tubesheet MDMT, shell side, if applicable
[14] - Tubesheet MDMT, tube side, if applicable
[15] - Nozzle Material
[16] - Shell or Head Material
[17] - Impact Testing required
[18] - Impact Testing not required, see UCS-66(b)(3)
[19] - Select a valid hydrotest type to get the UG-20(f) exemption
[20] - Cylinder/Cone Junction MDMT based on Longitudinal Stress considerations
[21] - Bolting Material

UG-84(b)(2) was not considered.


UCS-66(g) was not considered.
UCS-66(i) was not considered.

Notes:
Impact test temps were not entered in and not considered in the analysis.
UCS-66(i) applies to impact tested materials not by specification and
UCS-66(g) applies to materials impact tested per UG-84.1 General Note (c).
The Basic MDMT includes the (30F) PWHT credit if applicable.

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API-579 Calcs: Thinning

INPUT VALUES, Damage Description: Thinning From : 50

Inside Diameter Di 3658.000 mm


Thickness tnom 28.200 mm
Internal Pressure P 15.000 kgf/cm²
Design Temperature T 60 °C
Allowable Stress, Design S 1406.140 kgf/cm²
Allowable Stress, Ambient Sa 1406.140 kgf/cm²
Longitudinal Joint Efficiency EL 1.00
Circumferential Joint Efficiency EC 1.00
Specific Gravity G 0.00
Flaw Type General Metal Loss (Part 4)
Assessment Level Level 1 and 2
Future Corrosion Allowance FCAml 0.487 mm
Allowable Remaining Strength Factor RSFa 0.90

Measurement Method Point Thickness Readings


Number of Rows 24

Layout Angle 0.00 deg.

Rlife Thickness Approach included? Yes


Rlife MAWP Approach included? Yes
Corrosion Rate Crate 0.1220 mm/year
Previous Average Measured Thickness tam_prev 24.800 mm
Using design MAWP? No
Using overriding values? No

Thickness Measurements (mm):

No. PTR No. PTR No. PTR No. PTR No. PTR No. PTR

1 24.8 2 24.9 3 24.9 4 24.8 5 24.9 6 24.8


7 24.8 8 24.8 9 24.8 10 24.8 11 24.9 12 24.9
13 24.8 14 24.9 15 24.9 16 24.9 17 24.8 18 24.9
19 24.9 20 24.8 21 24.8 22 24.8 23 24.9 24 24.8

API 579 / ASME FFS-1, 2016 Edition

Part 4, General Metal Loss


Level 1 Assessment
Point Thickness Readings

STEP 1 - Take point thickness reading data and determine


minimum measured thickness, average measured thickness and coefficient
of variation.

Minimum Measured Thickness, [tmm]:


= 24.790 mm

Average Measured Thickness, [tam]:


= Sum of points/N
= 596.24/24
= 24.843 mm

Sum of Squares, [S]:


= SUM(trd, i - tam)^(2)
= 0.000 cm²

Coefficient of Variation, [COV]:


= ( 1 / tam )( S / ( N - 1 ) )^(0.5)
= ( 1/24.843 )( 0./( 24 - 1 ) )^(0.5)
= 0.002

STEP 2 - Determine viability of the point thickness readings


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API-579 Calcs: Thinning

through the coefficient of variation criterion.

Coefficient of Variation < 0.1


0.002 < 0.1
PASSED

The coefficient of variation is within the recommended values.

STEP 3 - Level 1 Criteria

Minimum Measured Thickness Criterion

Minimum Required Thickness from Circumferential Stress, [tmin_C]:


= ( P * R )/( S * E - 0.6 * P )
= ( 15.0 * 1829.487 )/( 1406.14 * 1.0 - 0.6 * 15.0 )
= 19.642 mm

Minimum Required Thickness from Longitudinal Stress, [tmin_L]:


= ( P * R )/( 2 * S * E + 0.4 * P )
= ( 15.0 * 1829.487 )/
( 2 * 1406.14 * 1.0 + 0.4 * 15.0 )
= 9.737 mm

Minimum Required Thickness, [tmin]:


= max( tmin_C, tmin_L )
= max( 19.642, 9.737 )

Limiting Thickness [t_lim]:


= max( 0.2 * tnom, 2.5 mm )
= max( 0.2 * 28.2, 2.5)
= 5.640 mm

( tmm - FCAml ) >= max( 0.5 * tmin, t_lim )


( 24.79 - 0.487 ) >= max( 0.5 * 19.642, 5.64 )
24.303 >= 9.821
PASSED

The minimum measured thickness criterion passed.

Average Measured Thickness Criterion

(tam - FCAml) >= tmin_C


(24.843 - 0.487) >= 19.642
24.356 >= 19.642
PASSED

The average measured thickness criterion passed.

Maximum Allowable Working Pressure Criterion

Note: Level 1 calculations assume that all supplemental loads are negligible.

Rerated MAWP, Circumferential [MAWPrC]:


= ( S * E( tam - FCAml ) )/( R + 0.6( tam - FCAml ) ) - Pstatic
= ( 1406.14 * 1.0( 24.843 - 0.487 )/
( 1829.487 + 0.6( 24.843 - 0.487 ) ) - 0.0
= 18.572 kgf/cm²

Rerated MAWP, Longitudinal [MAWPrL]:


= ( 2 * S * E( tam - FCAml ) ) )/( R - 0.4( tam - FCAml ) )
= ( 2 * 1406.14 * 1.0( 24.843 - 0.487 ) )/
( 1829.487 - 0.4( 24.843 - 0.487 ) )
= 37.641 kgf/cm²
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API-579 Calcs: Thinning

Determine the minimum MAWP, where tmin is the wall thickness.

MAWP, Circumferential [MAWPC]:


= ( S * E * tmin )/( R + 0.6 * tmin ) - Pstatic
= ( 1406.14 * 1.0 * 19.642 )/( 1829.487 + 0.6 * 19.642 ) - 0.0
= 15.000 kgf/cm²

MAWP, Longitudinal [MAWPL]:


= ( 2 * S * E * tmin )/( R - 0.4 * tmin )
= ( 2 * 1406.14 * 1.0 * 19.642 )/
( 1829.487 - 0.4 * 19.642 )
= 30.323 kgf/cm²

Minimum MAWP, [MAWP]:


= min( MAWPC, MAWPL )
= min( 15.0, 30.323 )
= 15.000 kgf/cm²

MAWPrC >= MAWP


18.572 >= 15.0
PASSED

The maximum allowable working pressure criterion passed.

Summary of Level 1 Assessment: P/F

Minimum Measured Thickness Criterion: PASSED


Average Measured Thickness Criterion: PASSED
Maximum Allowable Working Pressure Criterion: PASSED

This analysis passed the API 579 Part 4, Level 1 Assessment.

Part 4, General Metal Loss


Level 2 Assessment

Average Measured Thickness Criterion

Determine tmin_C and tmin_L using P * RSFa.

Minimum Required Thickness from Circumferential Stress, [tmin_C]:


= ( ( P * RSFa ) * R )/( S * E - 0.6( P * RSFa ) )
= ( ( 15.0 * 0.9 ) * 1829.487 )/
( 1406.14 * 1.0 - 0.6( 15.0 * 0.9 ) )
= 17.666 mm

Minimum Required Thickness from Longitudinal Stress, [tmin_L]:


= ( ( P * RSFa ) * R )/( 2 * S * E + 0.4( P * RSFa ) ) + tsl
= ( ( 15.0 * 0.9 ) * 1829.487 )/
( 2 * 1406.14 * 1.0 + 0.4( 15.0 * 0.9 ) ) + 0.0
= 8.765 mm

( tam - FCAml ) >= max( tmin_C, tmin_L )


( 24.843 - 0.487 ) >= max( 17.666, 8.765 )
24.356 >= 17.666
PASSED

The average measured thickness criterion passed.

Maximum Allowable Working Pressure Criterion


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Summary of Level 2 Assessment: P/F

Minimum Measured Thickness Criterion: PASSED


Average Measured Thickness Criterion: PASSED
Maximum Allowable Working Pressure Criterion: PASSED

This analysis passed the API 579 Part 4, Level 2 Assessment.

Remaining Life Assessment


Thickness Approach

Remaining Life, [R_life]:


= ( tam_prev - tmin )/Crate
= ( 24.8 - 17.666 )/0.122
= 58.5 years

MAWP Approach

STEP 1- Determine the metal loss of the component.

Metal Loss, [t_loss]:


= tnom - tam_prev
= 28.2 - 24.8
= 3.400 mm

STEP 2 - Determine the MAWP based on the effective corrosion allowance,


for a series of increasing time increments, and the nominal thickness.

Effective Corrosion Allowance, [CAe]:


= t_loss + Crate * time
= 3.4 + 0.122 * time

time CAe MAWPr


year(s) mm kgf/cm²

1.0 3.51 18.82


2.0 3.63 18.73
3.0 3.75 18.64
4.0 3.88 18.55
5.0 4.00 18.46
6.0 4.12 18.36
7.0 4.24 18.27
8.0 4.36 18.18
9.0 4.49 18.09
10.0 4.61 17.99
11.0 4.73 17.90
12.0 4.85 17.81
13.0 4.97 17.72
14.0 5.10 17.62
15.0 5.22 17.53
16.0 5.34 17.44
17.0 5.46 17.35
18.0 5.58 17.25
19.0 5.71 17.16
20.0 5.83 17.07
21.0 5.95 16.98
22.0 6.07 16.89
23.0 6.19 16.79
24.0 6.32 16.70
25.0 6.44 16.61
26.0 6.56 16.52
27.0 6.68 16.42
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28.0 6.80 16.33


29.0 6.93 16.24
30.0 7.05 16.15
31.0 7.17 16.05
32.0 7.29 15.96
33.0 7.41 15.87
34.0 7.54 15.78
35.0 7.66 15.68
36.0 7.78 15.59
37.0 7.90 15.50
38.0 8.02 15.41
39.0 8.15 15.31
40.0 8.27 15.22
41.0 8.39 15.13
42.0 8.51 15.04

STEP 3 - Determine the remaining life from the time at which the
iterative MAWP intersects the design MAWP.

Final Values:

42.3 8.56 15.00

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Vessel Design Summary: Step: 31 10:40am Aug 29,2023

ASME Code, Section VIII Division 1, 2017

Diameter Spec : 3658.000 mm ID


Vessel Design Length, Tangent to Tangent 1716.70 cm

Specified Datum Line Distance 20.00 cm

Internal Design Temperature 60 °C


Internal Design Pressure 15.000 kgf/cm²

External Design Temperature 33 °C


External Design Pressure 1.030 kgf/cm²

Maximum Allowable Working Pressure 15.218 kgf/cm²


External Max. Allowable Working Pressure 1.221 kgf/cm²
Hydrostatic Test Pressure 0.000 kgf/cm²

Required Minimum Design Metal Temperature -8.0 °C


Warmest Computed Minimum Design Metal Temperature -13.0 °C

Wind Design Code ASCE-93


Earthquake Design Code UBC-94

Materials of Construction:
Component Normal Impact
Type Material Class Thickness UNS # ized Tested

Shell SA-516 70 ... ... K02700 No Yes


Head SA-516 70 ... ... K02700 No Yes
Nozzle SA-106 B ... ... K03006 No No
Re-Pad SA-516 70 ... ... K02700 No No
Nozzle Flg SA-105 ... ... K03504 No No
Hrz Bolting SA-193 B7 ... 2 1/2 < t <= 4 G41400 No No

Normalized is determined based on the UCS-66 material curve selection and Figure UCS-66.
Impact Tested is based on material selection and material data properties.

Element Pressures and MAWP (kgf/cm² & mm):

Design Str. In
Element Description Pressure Ext. Element Corrosion Flg. Creep
or Type + Stat. head Press. M.A.W.P Allowance Gov. Range

HEAD 1 15.000 1.03 20.341 0.0000 Yes No


SHELL 1 15.000 1.03 18.761 0.0000 N/A No
SHELL 2 15.000 1.03 18.897 0.0000 N/A No
SHELL 3 15.000 1.03 18.897 0.0000 N/A No
SHELL 4 15.000 1.03 21.482 0.0000 N/A No
SHELL 5 15.000 1.03 18.890 0.0000 N/A No
SHELL 6 15.000 1.03 18.912 0.0000 N/A No
SHELL 7 15.000 1.03 18.897 0.0000 N/A No
SHELL 8 15.000 1.03 18.890 0.0000 N/A No
SHELL 9 15.000 1.03 18.897 0.0000 N/A No
HEAD 2 15.000 1.03 20.402 0.0000 Yes No

Element Types and Properties:

Element "To" Elev Element Nominal Finished Reqd Thk Reqd Thk Long Circ
Length Thickness Thickness Internal External Eff Eff
Type cm cm mm mm mm mm

Ellipse 0.0 20.0 ... 26.7 13.8 7.3 1.00 1.00


Cylinder 186.3 186.3 ... 24.6 19.6 22.8 1.00 1.00
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Cylinder 372.6 186.3 ... 24.8 19.6 22.8 1.00 1.00


Cylinder 558.9 186.3 ... 24.8 19.6 22.8 1.00 1.00
Cylinder 745.2 186.3 ... 28.2 19.6 22.9 1.00 1.00
Cylinder 931.5 186.3 ... 24.8 19.6 22.8 1.00 1.00
Cylinder 1117.8 186.3 ... 24.8 19.6 22.8 1.00 1.00
Cylinder 1304.1 186.3 ... 24.8 19.6 22.8 1.00 1.00
Cylinder 1490.4 186.3 ... 24.8 19.6 22.8 1.00 1.00
Cylinder 1676.7 186.3 ... 24.8 19.6 22.8 1.00 1.00
Ellipse 1696.7 20.0 ... 26.8 13.8 7.3 1.00 1.00

Saddle Parameters:
Saddle Width 300.000 mm
Saddle Bearing Angle 135.000 deg.
Centerline Dimension 2429.000 mm
Wear Pad Width 500.000 mm
Wear Pad Thickness 24.000 mm
Wear Pad Bearing Angle 162.000 deg.
Distance from Saddle to Tangent 1000.000 mm

Baseplate Length 2989.990 mm


Baseplate Thickness 22.000 mm
Baseplate Width 380.000 mm
Number of Ribs (including outside ribs) 6
Rib Thickness 22.000 mm
Web Thickness 22.000 mm
Height of Center Web 250.000 mm

Baseplate Sketch

|------------------- 2989.990 mm --------------------|


------------------------------------------------------ ---
| |
| | 380.000 mm
| |
------------------------------------------------------ ---
Baseplate Plan View

------------------------------------------------------ ---
| | 22.000 mm
------------------------------------------------------ ---
Baseplate Side View

Note: The Wind and Seismic loads were not load factored in this analysis.

Weights:
Fabricated - Bare W/O Removable Internals 55054.0 kg
Shop Test - Fabricated + Water ( Full ) 252465.9 kg
Shipping - Fab. + Rem. Intls.+ Shipping App. 55054.0 kg
Erected - Fab. + Rem. Intls.+ Insul. (etc) 55054.0 kg
Empty - Fab. + Intls. + Details + Wghts. 55054.0 kg
Operating - Empty + Operating Liquid (No CA) 55054.0 kg
Field Test - Empty Weight + Water (Full) 252465.9 kg

PV Elite is a trademark of Intergraph CADWorx & Analysis Solutions, Inc. 2019

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