PACKAGE : SEA WATER INTAKE SYSTEM

FICHTNER Consulting Engineers (India)

Private Limited, (FI) Chennai.

EQUIPMENT: DESALINATION PLANT FEED WATER PUMP VENDOR DRAWING REVIEW STATUS

o Action - I Approved
o Action - II Approved except as noted on drawing. Revise
drawing and resubmit for records.
o
REFERENCE DRAWING NO: -
Action - III Returned with Comments. Resubmit for approval.
o Action - IV Rejected
o Action - V Information received.
o Action - VI Information noted Retained for reference and records.
This document has been reviewed as noted with regard to general

VENDOR: M/s. WPIL Ltd

conformity with the Contract specifications and requirements. The Vendor /
Contractor is responsible for correctness of design calculation and details.
Approval of this document does not relieve the Vendor / Contractor of his
responsibility in carrying out the work correctly and fulfilling the complete
requirements of the contract nor does it limit the purchaser's rights under the
contract.

VENDOR REFERENCE NUMBER: - BGR/DFWP/P/TDS-05 FI Letter Ref. No. Date:

10/08/2013
CNT 1109171/ PM-6.2/5319/4482

Signature Initials: AS

D Revised as per email DTD.02.08.2013 07-08-2013 DN/PMH AS AS

C Revised as per MOM DTD.08.07.2013 19-07-2013 DN/PMH AS AS
Revised as per TPCIL/FI comments Letter No.CNT
B 24.03.2012 PMH VAR AS
1109171/ PM-6.2/9722/790 dtd. 13.03.2012
A First issue for Approval 18.02.2012 PMH VAR AS
REV DESCRIPTION DATE PPD CHKD APPD
OWNER
THERMAL POWERTECH CORPORATION (India) Ltd
HYDERABAD , ANDHRA PRADESH

PROJECT
2 x 660 MW SUPER CRITICAL THERMAL POWER PLANT
KRISHNAPATNAM , ANDHRA PRADESH

OWNER'S CONSULTANT
FICHTNER CONSULTING ENGINEERS (India) Pvt.Ltd
CHENNAI - INDIA

BOP CONTRACTOR
BGR ENERGY SYSTEMS LIMITED
CHENNAI - INDIA

NAME SIGN DATE SHEET NO.OF

PPD. P MAHESH PMH 18.02.2012 SHEETS
CHD. V A RAMESH VAR 18.02.2012 A4 6
APPD. A SATHURAPPAN AS 18.02.2012
DEPT. UNTOL. DIMS. SCALE WEIGHT (KG) REF.TO ASSY. DRG. ITEM NO. NO.OF
GR. ITEMS
N.A N.A N.A N.A
CODE C/M/F -
TITLE CARD BGR DOCUMENT NO:. REV.

Datasheet for desalination plant feed water pump CODE GID-145-ME-GAA-DS-5025 C

NA
Client : BGR Energy Systems Limited
Project : 2X660 MW Supercritical TPP, Krishnapatnam
Owner doc. No. : BGR/DFWP/P/TDS-05
BGRESL doc. no. : GID-145-ME-GAA-DS-5025
KKS tag no. : 12GAF01AP001 & 12GAF02AP002
Model : VT-32-27/1 Stg. Rev. No. : A6
Application : Desalination Feed Water Pump Dtd. : 06‐08‐13

VERTICAL TURBINE PUMPS

A GUARENTEED DATA Desalination feed water pumps
1 Rated capacity (m3/hr) 1760
2 Total dynamic head at rated capacity (MWC) 26
3 Efficiency of pump at rated capacity and rated head 86.5
4 BKW of the pump (Pump input power) 148.4
Power consumption at rated duty point at motor input
5 157.87
terminal, KW
Maximum value of peak to peak Amplitude of vibration
6 6.5 mm/sec
on Motor top bearing
Noise level at a distance of one (1) meter from the
7 85 dBA at a distance of 1 M
surface of equipment
8 Tolerance on guaranteed design As per HIS
a) Capacity (m3/hr) No negative tolerance
b) Total head (mwc) No negative tolerance
c) Efficiency (%) No negative tolerance
B EQUIPMENT PERFORMANCE
1 Shut-off head (MLC) 38.5
2 Bowl head at rated capacity, MLC 26.27
3 Bowl head at rated speed & closed discharge, MLC 38.5
Total head loss from suction bell inlet to pump discharge
4 0.27
flange at rated capacity, MLC
`Range of operation' within which the pump can operate
5 30%-130% of rated capacity
continuously without any problem
6 Pump rated speed (RPM) 990
Guaranteed pump efficiency at rated capacity and rated
7 86.5
head (%)
8 Bowl efficiency at rated capacity 87.75
The pumps offered have stable rising H-Q characteristics
from the specified duty point to the shut off. Pump
characteristic is such that under single pump operation
9 Yes
pump is not under run out condition and preferably
supplying 15% to 20% more flow than duty point under
specified system resistance condition.
The pumps offered have stable rising H-Q characteristics
10 Yes
through the "Range of operation"
The pumps offered are suitable to operate under two
11 pumps running in parallel throughout the range of Yes
minimum & maximum sump water level.
Are pumps and motors capable of withstanding the
12 Yes (5 minutes in unenergised condition)
reverse run-away-speed (mention the duration also)
13 Power Consumption
a. Guaranteed pump shaft input power at rated capacity
148.4
(KW)
Client : BGR Energy Systems Limited
Project : 2X660 MW Supercritical TPP, Krishnapatnam
Owner doc. No. : BGR/DFWP/P/TDS-05
BGRESL doc. no. : GID-145-ME-GAA-DS-5025
KKS tag no. : 12GAF01AP001 & 12GAF02AP002
Model : VT-32-27/1 Stg. Rev. No. : A6
Application : Desalination Feed Water Pump Dtd. : 06‐08‐13

b. Thrust bearing loss (KW)

0.6
c. Shaft losses (KW)
d. Maximum pump shaft input power required within the
157.14
working range of the pump (KW)
e. Shaft input power at pump shut-off (KW) 126.71
f. Maximum shaft input power due to overloading of
pumps in the event of tripping out of one or more 157.14 (max. Pump input power)
pumps running in parallel (KW)
g. Pump shaft input power required during starting as
126.71
per mode of starting specified by the Tenderer (KW)
h. Power consumption at rated condition at motor
157.87
terminals, KW (guaranteed)
C CONSTRUCTIONAL FEATURES
1 Pump Model No VT32-27
2 Pump duty Continuous
3 Pump type Vertical, wetpit, mixed flow
4 Pump design Non pullout/above floor discharge
5 Impeller type Closed
6 Number of stages Single
Pump specific speed NS = RPM X (Flow in USGPM)1/2
7 3081
(Head in FT)3/4 (US Unit)
Suction specific speed at NPSHA = RPM X (Flow in
8 5473
USGPM)1/2 (NPSHA in FT)3/4 (US Unit)
Suction specific specific speed at NPSHR = RPM X (Flow
9 7516
in USGPM)1/2 (NPSHR in FT)3/4 (US Unit)
10 Required NPSH at rated capacity (MLC) 8
11 Available NPSH at rated capacity (MLC) 12.21 (based on min. W.L.)
12 Required NPSH at runout capacity (MLC) 9.5
13 Available NPSH at runout capacity (MLC) 18.56 (based on max. W.L.)
Submergance required from suction bell end to minimum
14 1.449
water level at design flow (M)
Submergance required from suction bell end to minimum
15 1.655
water level at run-out flow (M)
Submergence provided below minimum water level up to
16 3.27
the bottom of suction bell (M)
17 Margin available over NPSHR at design condition (%) 52.63%

18 Margin available over NPSHR at Run out condition (%) 95.37%

Yes (However NRR assembly will be

19 Is the pump suitable for reverse flow condition?
provided to prevent the reverse rotation)
20 Pump Motor Critical Speed (RPM)
21 a. 1st 1287
22 b. 2nd 1782
Client : BGR Energy Systems Limited
Project : 2X660 MW Supercritical TPP, Krishnapatnam
Owner doc. No. : BGR/DFWP/P/TDS-05
BGRESL doc. no. : GID-145-ME-GAA-DS-5025
KKS tag no. : 12GAF01AP001 & 12GAF02AP002
Model : VT-32-27/1 Stg. Rev. No. : A6
Application : Desalination Feed Water Pump Dtd. : 06‐08‐13

Moment of Inertia (GD)2 of the complete rotating

23 system including pump, drive element, coupling etc. (Sq. 20.16 kg/sq.m (For pump only)
Kg.M)
24 Mode of pump starting
a. Whether the pumps offered can be started with
Yes
discharge valve closed
b. If the answer is 'no', Whether the discharge valve
should be kept partially open and for what % flow. If the NA
answer is `Yes' allowable duration for such operation.
c. What precautionary measure is required to be taken
Air release valve shall be provided in the
to avoid hammering action on the valve disc if the pump
pump discharge piping
is started with valve fully closed
25 Provision for impeller adjustment available Yes
26 Type and make of coupling between pump and drive Flexible, WPIL/LOVEJOY/Reputed
Number of column pipes and maximum length of single
27 5 nos./3000 (Max.)
piece (mm)
Number of line shaft pieces and maximum length of
28 7 nos./3000 (Max.)
single piece (mm)
29 Type of shaft coupling - :
a. Between impeller & line shaft Screwed type
b. Between line & head shaft Screwed type
30 Shaft bearings
Thordon bearing in packing box, Cutless
a. Type of bearings rubber backed by Duplex SS at other
location
7 Cutless (4 for Line shafts & 3 for
b. Numbers provided
Bowl/Bell) & 1 Thordon (P/Box)
c. Type of lubrication & cooling Forced Water
d. Type of lubricant Forced Water
e. Lubricant specification for external lubrication Filtered sea water
f. Quantity of lubricant (Cu.M/Hr./Pump) 2 m3/hr per pump
31 Thrust bearing(s)
a. Location In pump
b. Numbers provided One for each pump
c. Type Antifriction
d. Manufacturer & Catalogue No. SKF/FAG/Equiv
e. Design axial load (Kg) 3028
f. Design life at pump duty point (Hrs.) 40000 (Min.)
g. Description of lubrication arrangement and lubricant. Oil/Oil bath
h. Coolant Water
i. Coolant requirement (Cu.M/Hr./Pump) : 15 LPM (approx) @ 1 kg/cm2
32 Shaft sealing arrangement
a. Type Gland Packing
b. Sealing fluid Water
Client : BGR Energy Systems Limited
Project : 2X660 MW Supercritical TPP, Krishnapatnam
Owner doc. No. : BGR/DFWP/P/TDS-05
BGRESL doc. no. : GID-145-ME-GAA-DS-5025
KKS tag no. : 12GAF01AP001 & 12GAF02AP002
Model : VT-32-27/1 Stg. Rev. No. : A6
Application : Desalination Feed Water Pump Dtd. : 06‐08‐13

External lubricating water is inducted in

c. External water requirement (Cu.M/Hr./Pump) :
stuffing box
33 Allowable force on pump flanges
Discharge side
Direction of above Refer pump GAD
34 Allowable moments on pump flanges (GID-145-ME-GAA-XD-5023)
Discharge side
Direction of above
35 Load on thrust pad, Kgs NA
D MATERIAL OF CONSTRUCTION
1 Base plate NA
2 Sole plate Fabricated steel with epoxy panting.

For Wetted parts - Duplex SS as per ASTM

3 Discharge head A240, UNS 32760
Dry parts -Fabricated steel with epoxy coating

Duplex SS as per ASTM A 890 CE3MN Gr. 5A

4 Discharge Bowl/casing
(PREN≥38)
5 Column pipe Duplex SS as per ASTM A240, UNS 32760
6 Impeller bowl/Casing Same as MOC SL. NO. 4
7 Bowl liner NA
Duplex SS as per ASTM A 890 CE3MN Gr. 5A
8 Suction bell
(PREN≥38)
Duplex SS as per ASTM A 890 CE3MN Gr. 5A
9 Impeller
(PREN≥38)
Duplex SS as per UNS S31803
10 Impeller shaft (PREN RANGE : 35 to 37)
Duplex SS as per ASTM A 890 CE3MN Gr. 5A
11 Impeller wear rings (Impeller seal ring)
(PREN≥38)
12 Casing wear rings NA
Duplex SS as per UNS S31803
13 Line shaft (PREN RANGE : 35 to 37)
Duplex SS as per UNS S31803
14 Head shaft (PREN RANGE : 35 to 37)
Duplex SS as per UNS S31803
15 Shaft sleeve (PREN RANGE : 35 to 37)
Duplex SS as per UNS S31803
16 Shaft coupling (PREN RANGE : 35 to 37)
Duplex SS as per UNS S31803
17 Shaft enclosing tube (if applicable) (PREN RANGE : 35 to 37)
Cutless Rubber Backed by Duplex SS as per
18 Line shaft bearings
ASTM A 890 Gr. 4A OR DSS UNS S31803
19 Head shaft bearings Thordon
Cutless Rubber Backed by Duplex SS as per
20 Impeller bearings
ASTM A 890 Gr. 4A OR DSS UNS S31803
Duplex SS as per ASTM A 890 CE3MN Gr. 5A
21 Stuffing box
(PREN≥38)
22 Gland packing Impregnated Teflon
Client : BGR Energy Systems Limited
Project : 2X660 MW Supercritical TPP, Krishnapatnam
Owner doc. No. : BGR/DFWP/P/TDS-05
BGRESL doc. no. : GID-145-ME-GAA-DS-5025
KKS tag no. : 12GAF01AP001 & 12GAF02AP002
Model : VT-32-27/1 Stg. Rev. No. : A6
Application : Desalination Feed Water Pump Dtd. : 06‐08‐13

Duplex SS as per ASTM A 890 CE3MN Gr. 5A

23 Gland
(PREN≥38)
24 Lantern ring PTFE
25 Gaskets Neoprene rubber
26 Suction strainer NA
26 Fasteners in pump assembly
a. Submerged SS 316L
b. Above fluid level SS 304
27 TBH cooling water pipe SS 316L

E CONNECTIONS & OTHER DIMENSIONAL DETAILS

1 Discharge nozzle -
a. Diameter (mm NB) 500
b. Flange drilling standard and pressure rating AWWA C207 94D 'FF'
2 External water inlet and outlet connection (if applicable) Applicable
a. Connection size (mm) 3/8" BSP & 1/2" BSP
b. Connection type and rating Threaded, 4.3 kg/cm2
3 Column pipe O/D and thickness ( MM) 500 mm (NB) and 6 mm (Min.)
4 Suction bell diameter (mm) 762
5 Impeller diameter
a. Impeller shaft diameter (mm) 49 mm (Final design dimension)
530 (apprx.)
b. Rated impeller diameter (mm) (Actual impeller dia. can be finalised after
pump performance test)
c. Maximum impeller diameter (mm) 540
d. Minimum impeller diameter (mm) 495
6 Line shaft diameter (mm) 49 mm
7 Head shaft diameter (mm) 49 mm
8 Shaft enclosing tube O/D (If applicable) and thickness 90 mm (NB), Thk. : 8 mm (Max.)
9 Recommended Sump Dimensions
a. Bottom clearance required from the edge of suction
380
bell (mm)
b. Back wall clearance from pump center line (mm) 1000 (From pump CL to inside of wall)
c. Side wall clearance from pump center line (mm) 800 (From pump CL to inside of wall)
d. Minimum pump inlet bell submergance from sump
2035
invert level (mm)
Approx. center line elevation of discharge nozzle from
10 527
floor level (mm)
Minimum hook lift required from floor level to handle
11 7000
pump and drive (mm)
Capacity to be decided with some margin
Recommended capacity of the overhead crane for
12 based on maximum handling load of 4100
erection/maintenance of the pump & motor, tones
kg.
13 Heaviest weight to be handled by the crane during
Client : BGR Energy Systems Limited
Project : 2X660 MW Supercritical TPP, Krishnapatnam
Owner doc. No. : BGR/DFWP/P/TDS-05
BGRESL doc. no. : GID-145-ME-GAA-DS-5025
KKS tag no. : 12GAF01AP001 & 12GAF02AP002
Model : VT-32-27/1 Stg. Rev. No. : A6
Application : Desalination Feed Water Pump Dtd. : 06‐08‐13

a. Erection, (Kgs) 4100 kg (approx)

b. Maintenance, (Kgs) 4100 kg (approx)
F DRIVE DATA
1 Drive element output at ambient condition (KW) 180
2 Rated speed (RPM) 990
Whether drive element rating takes care of the
3 Yes
stipulations
4 Cooling arrangement TEFC
G INSPECTION AND TESTING
1 Material test
2 Hydro-static test pressure (Kg./Sq.cm.g)
3 Hydro-static test duration (min.)
4 Performance test
a. Testing standard As per approved QAP
b. Test to be conducted on
c. Test speed (RPM)
5 Cavitation test
6 Dynamic balancing test
H LOADING DATA
Horizontal and vertical loads for pump foundation design
1 Refer pump GAD
(Kg.f.)
(GID-145-ME-GAA-XD-5023)
2 Design load at Thrust block (Kg.f.)
3 WK2 value for pump with coupling, Kgm2 20.16 kg/sq.m (For pump only)
I WEIGHT DATA
Weight of the pump assembly without drive but with
1
base plate & all accessories(Kgs.) Refer pump GAD
Approximate weight of the pump and drive assembly (GID-145-ME-GAA-XD-5023)
2
(Kg.)
2 Sole plate weight (Kg.) 190 Kg (Approx.)
3 Motor weight (Kg.) Refer motor datasheet
4 Coupling (Pump/Motor) 20 Kg (Approx.)
All carbon steel part to be painted with
J PAINTING
epoxy painting of FRENCH BLUE colour

WPIL ref no. : IBI‐6403‐04‐TDS