Thrust Blocking, Pipe Connection Details
Thrust Blocking, Pipe Connection Details
Thrust Blocking, Pipe Connection Details
TABLE A TABLE C
A B C D E
PIPE Table Bend Concrete Cube Stirrup Stirrup Stirrup
DIA. Pressure Angle Volume Size Dia. Embmt. Bar
Table Tee & 22.5 11.25
PIPE 90 deg 45 deg in. PSI (deg) (cy) (ft) (in) (in) #
Pressure Dead deg deg
DIA. Bend Bend
PSI Ends Bend Bend
11.25 0.21 1.8
4" 250 3035 4320 2315 1215 610 4" 250 5
22.5 0.43 2.3 8 17 5
TEE CROSS STRADDLE
6" 250 6860 9735 5215 2720 1375
45 0.77 2.8
8" 250 12185 17310 9265 4835 2430 11.25 0.48 2.4
10" 250 19045 27045 14480 7560 3800 6" 250 22.5 0.95 3.0 5
17 5
8
UL-2020
14" 250 37320 53010 28370 14815 7445 11.25 0.86 2.9
20-J
16" 250 48740 69245 37050 19360 9735 8" 250 22.5 1.65 3.5 5
8
17 5
45 3.22 4.4
Soil Type
(B) in PSF 45 4.97 4.1
Stirrup (Typ.)
THRUST BLOCK BEARING AREA EQUATION
NOTE: WHEN THRUST BLOCK BEARING AREA IS NOT SPECIFIED ON THE PLANS OR
CONVEX WYE
DETERMINED BY THE ENGINEER, USE THE FOLLOWING PROCEDURE TO
DETERMINE REQUIRED BEARING AREA. VERTICAL BEND
(See Table C)
1. Determine thrust (T) for type of fitting or joint and size of pipe from Table A.
GENERAL NOTES FOR ALL DETAILS ON THIS SHEET: CALC. BOOK NO. N/A SDR DATE 25-JUL-2017
2. Determine Design (Test) Pressure from Standard Specifications or Special Provisions.
2. Pour concrete blocking against undisturbed earth. The selection and use of this
4. Determine Soil Bearing Capacity (B) of soil from Table B.
OREGON STANDARD DRAWINGS
Standard Drawing, while de-
3. All concrete shall be commercial grade concrete.
5. Determine required bearing area (A) in sq. ft. as follows: signed in accordance with
T Design (Test) Pressure 4. Wrap pipe and/or fittings with 2 layers of polyethylene film where in generally accepted engineer-
Thrust Block
Bearing Area
= A =
(B )
( Table Pressure ) contact with concrete ing principles and practices,
THRUST BLOCKING
RD250
RD250
Effective Date: June 1, 2021 - November 30, 2021
6"
min.
Concrete
6" ductile iron pipe thrust block
HYDRANT ASSEMBLY
1. When pipe is shorter than 18', no joints allowed. Use mechanical joint retainer glands. 6. Extensions required for hydrant systems shall be installed to the manufacturer's specifications. the current Oregon Standard Specifications
3
Two 4" galvanized tie rods may be used in lieu of thrust blocks for installations The selection and use of this
less than 18' long. Coat tie rods with two coats of coal tar epoxy. 7. Hydrants shall be placed to provide a minimum of 5' clearance from driveways, poles, and other OREGON STANDARD DRAWINGS
obstructions. Standard Drawing, while de-
2. When pipe is longer that 18' retainer glands not required. signed in accordance with
8. Hydrant pumper port shall face direction of access.
generally accepted engineer-
3. There shall be a minimum of 18" horizontal clearance around hydrant.
HYDRANT INSTALLATION
ing principles and practices,
RD254
4. When placed adjacent to curb, hydrant port shall be 24" from face of curb.
is the sole responsibility of
10. See project plans for details not shown. the user and should not be 2021
5. Concrete thrust blocks shall be constructed as per thrust blocking Std. Dwg. RD250. used without consulting a DATE REVISION DESCRIPTION
Do not block drain holes.
Registered Professional En-
gineer.
RD254
Effective Date: June 1, 2021 - November 30, 2021
1
4" cap
4"
2"
1
12" 2"
1
1
4" rad.
n.
4"
mi
3
16" (Typ.)
2"
2"
Bollard Weld vertical
8"
8"
1 (4" dia. steel pipe, sides to
2" reflective tape
1
60" long, Sch. 40) collar
8"
8"
(Color as required)
1
4
4
1
4"
2"
2"
2"
4"
Weld vertical
Collar
1
sides to sleeve
44"
66"
Collar
1
(5" dia. steel pipe, 12"
Sleeve
2" long, Sch. 80) 3
20-J
Typical both
2"
for lock (Typ.)
rd255.
1"
both tabs
4"
Finish grade
1
2" rad.
(Typ.)
12"
22"
18"
Concrete
LOCK TABS
Concrete (2"x2"x
1
4" steel angle)
30"
6"
3"
ELEVATION
sides of
for lock (Typ.)
both tabs is the sole responsibility of
(See general note 6)
the user and should not be 2021
used without consulting a DATE REVISION DESCRIPTION
RD255
Effective Date: June 1, 2021 - November 30, 2021
Sliding type cast iron
Wrought
valve box and cover
iron rod
W ATER
PVC valve box extension
Operator extension
(See detail this sheet)
COVER PLAN 3
4"-0 compacted
aggregate base (4" thick)
or conc. block,
UL-2020
Raised lettering
Cast iron cover
20-J
Finish grade
VALVE BOX
dgn
ASSEMBLY DETAIL
n.
rd258.
4"m i
From 12"m ax.
36"m ax.
*
n.
ustabl
to 6"m i
Adj
GENERAL NOTES FOR ALL DETAILS ON THIS SHEET:
2. Operator extension required when valve nut is deeper than 4' from finish grade.
PVC valve box extension
2" square operator nut 4. Valves 12" and smaller shall be provided with compacted aggr. base on undisturbed ground.
welded to pipe shaft 6"
Valves greater than 12" shall be installed on precast concrete block, (4" thick).
*See general note 8
1
5. Welds shall be minimum 4" all around.
Operator extension
1
1 2" Schedule 80
6. Hot dip galvanize operator extension after fabrication.
pipe shaft
RD258
Effective Date: June 1, 2021 - November 30, 2021
24"
8"
2" coupling with
UL-2020
24"
dgn
(Typical)
rd262.
2" galvanized
2" iron body screwed steel riser
gate valve with 2"
standard operating nut
Notch PVC
riser
2" galvanized
steel pipe
Gravel bedding
(Typ.)
1. Wrap main and fittings in thrust block zone with two layers of polyethylene film to facilitate
future removal.
2. In lieu of concrete thrust block, restrain pipe or pour concrete straddle block.
RD262
Effective Date: June 1, 2021 - November 30, 2021
Match existing 2'x2' meter
grade box & cover Brass nipple & cap
(See general note 4)
n.
12"m i
UL-2020
Burry depth
8"nom .
4"-6"
m um depth
20-J
n
ofwaterm ai
dgn
ni
ed m i
rd266.
3 3
4" Type K 4" curb stop
copper pipe Brass pipe & fittings
(Typ.)
3
4" corporation
stop
Pipe saddle
~
3. Provide insulation and additional depth when specified for freeze protection.
RD266
Effective Date: June 1, 2021 - November 30, 2021
4"x4"x80" pressure
Galvanized outlet and pipe to be treated wood post
same size as inlet pipe with
beehive strainer and outlet
Metal strap
n.
Match existing grade
18"m i
n.
Union
UL-2020
6"m i
20-J
Slope
n.
dgn
3'm i
rd270.
Gravel bedding
m um depth
Type K
Brass pipe & fittings
copper pipe
GENERAL NOTES FOR ALL DETAILS ON THIS SHEET:
4. Provide insulation and additional depth when specified for freeze protection.
RD270
Effective Date: June 1, 2021 - November 30, 2021
Use felt strip or 10 mil.
poly. isolation joint if meter
box is set in concrete
Service Main
UL-2020
20-J dgn
rd274.
PLAN
4" min.
Isolation joint
3" to 6" 1. Meter to be centered and set plumb inside meter box.
3
2. Manufactured meter setter may be used for 4" to 2" services.
Customer
service line
3. Set meter box 4" minimum behind curb or sidewalk.
RD274
Effective Date: June 1, 2021 - November 30, 2021
12" clear from all
fittings & valves 15
(See general note 11)
10 5 11
11
7
6
4 14
1 3 3
2
UL-2020
6
GENERAL NOTES FOR ALL DETAILS ON THIS SHEET:
20-J
6 12 13 8 7
7 1. Vaults shall be sized per specifications and minimum clearances.
When required, vaults shall be designed for site specific conditions by a resistered
9 9
professonal engineer.
dgn
2. All vaults shall be supported with adequate concrete floor and shall be designed
rd278.
3. Precast concrete utility vaults may be used in lieu of cast-in-place when sizes are
12" clear from all
available.
fittings & valves
(See general note 11)
4. Backflow devices to be installed on service and irrigation lines as required.
8. Vault depth shall be such that there is a minimum clearance to the vault lid of 6"
3 Flange gate valve
when the valves are fully open.
4 Meter (Domestic)
9. Provide flexible connections on piping within 18" of vault wall.
5 Meter (Irrigation) 10. Provide opening and ladder locations, vault drainage and pipe penetrations in
accordance with special provisions and contract drawings.
6 Companion flange
11. Provide 12" clear from all fittings & valves to floor.
7 Brass nipples
12. See project plans for details not shown.
8 Mechanical coupling
10 I.P. x I.P. gate valve (Optional) NOTE: All material and workmanship shall be in accordance with
the current Oregon Standard Specifications
11 I.P. x meter flange gate valve The selection and use of this
OREGON STANDARD DRAWINGS
Standard Drawing, while de-
12 I.P. x I.P. gate valve
signed in accordance with
RD278
Effective Date: June 1, 2021 - November 30, 2021
Sampling station 12"
Padlock
provision
1
With optional 4" ball
1
valve in place of 4" Hinge (2)
petcock on vent pipe Use 2 layers of polyethylene film
UL-2020
n.
Concrete pad
4"m i
dgn
rd282.
-0"
-0"To 3'
2'
Curbstop
Elbow
GENERAL NOTES FOR ALL DETAILS ON THIS SHEET:
Gravel bedding
3
1. Provide insulation and additional depth when specified for freeze protection.
4" service line
45°
2. See project plans for details not shown.
3
4" corporation stop
RD282
Effective Date: June 1, 2021 - November 30, 2021
5' 5'
Root barrier
ess
10' long x 4' high x 10 GA,
Curb
galv. steel or HDPE
10'orl
Water pipe
1'
UL-2020
20-J
PLAN
dgn
rd286.
TREE
1. Where existing parkway trees have been root pruned, install continuous,
lineal root barrier adjacent to the pipe.
2. Root sealer shall be applied to all cut root areas which are larger that 2" in
10' or less
diameter. The sealer shall be applied as soon as practical after the cuts have
1'
Curb been made. Root sealer shall be approved by the engineer at least 48 hours
in advance of the pruning operation.
3. Root barriers shall be fabricated from a high density, high impact plastic or hot
dipped galvanized steel.
Water pipe
SECTION
is the sole responsibility of
the user and should not be 2021
used without consulting a DATE REVISION DESCRIPTION
RD286
Effective Date: June 1, 2021 - November 30, 2021