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METERED BACKFLOW ASSEMBLY
(TO BE OBTAINED FROM CITY)
(1) 2'2" CONTROL VALVE
(1) CONSTRUCTION METER
(1) RPBA
METER SUPPORT (BY CONTRACTOR)
i
1` NSF 61 SUPPLY HOSE
HYDRANT ON EXISTING WATER MAIN
DI WATER MAIN
TEMPORARY BLOW -OFF ASSEMBLY
(1) 2" GALVANIZED PIPE
(1) 2" 90° BEND
(1) 2" GATE VALVE
TEMPORARY BLOCKING
POLYPIG STATION
(1)
VERTICAL CROSS (MJxFL), SIZE TO MATCH WATER MAIN
(1)
BLIND FLANGE WITH 2" TAP ON TOP OF CROSS
(1)
TEMPORARY BLOW -OFF ASSEMBLY
(1)
BLIND FLANGE ON BOTTOM OF CROSS
(1)
PLUG (MJ) ON END OF CROSS WITH TEMPORARY THRUST BLOCKING
NOTES:
1. THE BACKFLOW PREVENTION ASSEMBLY AND SUPPLY HOSE MUST BE DISCONNECTED DURING HYDROSTATIC PRESSURE TESTING OF THE
NEW WATER MAIN.
2. POLYPIG AND ALL DEBRIS SHALL BE REMOVED FROM SUMP OF VERTICAL CROSS VIA SANITARY METHOD PRIOR TO DISINFECTION OF NEW
WATER MAIN.
3. UPON REMOVAL OF POLYPIG, REMOVE TEMPORARY BLOW -OFF ASSEMBLY AND INSTALL 2" PLUG.
4. THE NEW WATER MAIN SHALL BE CONNECTED TO THE EXISTING SYSTEM ONLY AFTER NEW WATER MAIN IS POLYPIGGED, DISINFECTED
AND SATISFACTORY BACTERIOLOGICAL SAMPLE RESULTS ARE OBTAINED.
5. THE INTERIORS OF ALL PIPES AND FITTINGS TO BE USED IN FINAL CONNECTION MUST BE SWABBED OR SPRAYED WITH A 5-6%AVAILABLE
CHLORINE SOLUTION.
STD. PLAN - 300.7
} PUBLIC WORKS APPROVED:
DEPARTMENT POLYPIGGING NEW WATER MAINS T, _ 6i2si2c
Hort,aem„„o-a,,,_ V DATE
NTS
Polypigging New Water Mains
NTS
Not Used
JACOBSON
CONSULTING ENGINEERS
EXISTING
WATER MAIN
• Q
T
3xID
MIN
• PUBLIC WORKS
DEPARTMENT
90° BEND
TESTING CONNECTION
POLYPIG STATION PER STD PLAN 300.7
(1) VERTICAL CROSS (MJxFL)
(1) BLIND FLANGE ON TOP WITH 2" TAP AND 2" PLUG
(1) BLIND FLANGE ON BOTTOM
(1) PLUG (MJ) WITH 2" TAP AND TEMPORARY BLOW -OFF ASSEMBLY
WITH TEMPORARY THRUST BLOCKING
8'+
E
NEW DI WATER MAIN
TEMPORARY BLOCKING
-CONNECTION TO EXISTING MAIN (BY CITY APPROVED WET TAP CONTRACTOR)
(1) TAPPING TEE (FL) PER STD PLAN 300.6
(1) TAPPING GATE VALVE (FLxM1)
(1) PLUG (MJ) WITH 2" TAP AND TEMPORARY BLOW -OFF ASSEMBLY
WITH CONCRETE THRUST BLOCKING PER STD PLAN 330.1
FINAL CONNECTION
UPON COMPLETION OF POLYPIGGING, HYDROSTATIC TESTING,
AND DISINFECTION, REMOVE TEMPORARY THRUST BLOCKING
AND TEMPORARY BLOW -OFF ASSEMBLIES
FINAL CONNECTION (BY CITY FORCES)
(2) DI SPOOLS
(1) LONG BODY DI SLEEVE (MJ)
NEW DI WATER MAIN
NOTES:
1. ALL CONNECTIONS TO EXISTING WATER MAINS WILL BE CONDUCTED BY CITY FORCES AS
SPECIFIED IN SECTION 5-14.2 OF THE CITY OF RENTON WATER UTILITY CONSTRUCTION
STANDARDS
2. LONG BODY DI SLEEVE FOR CONNECTION FROM DI TO DI PIPE AND FROM DI TO CI PIPE WITH
SAME OUTSIDE DIAMETER
STD. PLAN - 300.5
CONNECTION TO WATER MAIN
TAPPING TEE AND VALVE
45° BEND
A C
I
CAP / PLUG
TEE
n
22 Y2 BEND
11 Y40 BEND
I, f�, DATE
v„ dKWak:aem�m�ac
NTS 2
Connection to Water Main
MINIMUM BEARING AREA
AGAINST UNDISTURBED SOIL (SF)
PIPE
PRESSURE
A)
B� C` D OE
SIZE
(PSI)
1/(NONE) 1/(NONE) NONE NONE
4"
200 2/(1)
300 3/(2)
2/(2) 2/(1) 1/(1) NONE
3/(2) 3/(1) 1/(1) 1/(NONE)
6'
200 4/(3)
300 6/(4)
4/(3) 3/(2) 2/(1) 1/(NONE)
8
200 7/(5)
5/(3) 4/(3)
2/(2) 1/(1)
300 11/(8)
8/(5) 6/(4)
3/(2) 2/(1)
200
11/(8)
8/(6) 6/(4)
3/(2)
2/(1)
10.1
275
200
16/(11)
11/(7) 9/(6)
5/(3)
3/(2)
3/(2)
12"
16/(11)
11/(8) 9/(6)
5/(3)
250
24/(16)
17/(11) 13/(9)
7/(5)
4/(3)
14"
200
22/(13)
16/(11)
12/(8)
6/(4)
3/(2)
250
200
33/(22)
29/(19)
23/(16)
21/(14)
18/(12)
16/(11)
9/(6)
5/(3)
5/(3)
16"
8/(6)
225
32/(21)
23/(16)
17/(12)
9/(6)
5/(3)
5/(4)
18"
200 36/(24)
26/(17)
20/(13)
10/(7)
20"
200 45/(29)
32/(21)
24/(16)
13/(8)
7/(4)
24"
1 200
64/(43)
46/(30)
35/(23)
18/(12)
9/(6)
* VALUES BASED ON SAFE BEARING LOAD OF 2,000/(3,000) PSF
SOIL TYPE
SAFE BEARING LOAD (PSF)
MUCK OR PEAT
0
SOFT CLAY
1,000
SAND
2,000
SAND AND GRAVEL
3,000
CEMENTED WITH CLAY
4,000
HARD SHALE
10,000
NOTES:
1. MINIMUM BEARING AREA MUST BE ADJUSTED FOR PIPE SIZE, PRESSURE, AND SOIL CONDITIONS.
2. FITTINGS SHALL BE POLYWRAPPED PRIOR TO POURING CONCRETE BLOCKING.
3. CONCRETE BLOCKING SHALL BE CAST IN PLACE AND SHALL HAVE A MINIMUM OF 0.25 SF BEARING AREA AGAINST THE FITTING.
4. CONCRETE BLOCKING SHALL BEAR AGAINST FITTINGS ONLY AND SHALL BE CLEAR OF JOINTS TO PERMIT TAKING UP OR DISMANTLING
JOINT.
5. CONTRACTOR SHALL INSTALL BLOCKING ADEQUATE TO WITHSTAND FULL HYDROSTATIC TEST PRESSURE AS WELL AS TO CONTINUOUSLY
WITHSTAND OPERATING PRESSURE UNDER ALL CONDITIONS OF SERVICE.
6. ALL CONCRETE SHALL BE MECHANICALLY MIXED. JOB SITE MIXING, HAND -MIXED CONCRETE, AND MOBILE CONCRETE MIXERS ARE NOT
ALLOWED.
7. IN MUCK OR PEAT, ALL THRUSTS SHALL BE RESTRAINED BY PILES OR TIE RODS TO SOLID FOUNDATION OR MUCK OR PEAT SHALL BE
REMOVED AND REPLACED WITH BALLAST OF SUFFICIENT STABILITY TO RESIST THRUST.
8. CONCRETE BLOCKING SHALL BE LEFT OPEN OR SHEETED FOR MINIMUM 24 HOURS.
STD. PLAN - 330.1
`0e+ PUBLIC WORKS CONCRETE BLOCKING APPROVED:
DEPARTMENT FOR HORIZONTAL FITTINGS 6/28/2023
,�'
v„ 17;1.11A1,.,1,,,.-. DATE
NTS
A r Concrete Blocking for Horizontal Fittings
COP-1
CIVIL PERMIT SUBMITTAL
..� CIVIL PERMIT RESUBMITTAL
w� CITY AS -BUILT REVIEW
43 T OL CITY AS -BUILT REVIEW RESUBMITTAL
L
NO. REVISION
WATER PLAN GENERAL NOTES Standard Plan No. 300
1. ALL WORK AND MATERIALS SHALL BE IN ACCORDANCE WITH THE LATEST EDITION OF THE CITY OF RENTON PUBLIC WORKS
STANDARD SPECIFICATIONS AND SPECIAL PROVISIONS AND WSDOT / APWA STANDARD SPECIFICATIONS, LATEST EDITION AS
AMENDED BY THE CITY OF RENTON. A SET OF CITY APPROVED PLANS SHALL BE KEPT AT THE JOB SITE WHENEVER CONSTRUCTION
IS IN PROGRESS. A PRE -CONSTRUCTION CONFERENCE SHALL BE HELD PRIOR TO THE START OF CONSTRUCTION. THE CONTRACTOR
AND OR DEVELOPER SHALL BE RESPONSIBLE FOR SECURING ALL NECESSARY PERMITS PRIOR TO CONSTRUCTION.
2. ALL EXISTING UTILITIES SHALL REMAIN IN SERVICE DURING CONSTRUCTION UNLESS OTHERWISE NOTED. THE CONTRACTOR SHALL
CALL 1-800-424-5555 TO VERIFY UTILITY LOCATIONS BEFORE BEGINNING EXCAVATION.
3. ALL MATERIALS USED FOR THE CONSTRUCTION OF WATER SYSTEM IMPROVEMENTS SHALL BE NEW AND UNDAMAGED, AND
"CATALOG CUTS" FOR ALL MATERIALS SHALL BE APPROVED IN WRITING BY THE CITY OF RENTON PRIOR TO BRINGING ANY
MATERIALS ON -SITE.
4. ALL WATER MAIN PIPE MATERIALS SHALL BE CEMENT LINED DUCTILE IRON PIPE, THICKNESS CLASS 52 PER AWWA C 151 AND C
104. PIPE JOINTS SHALL BE PUSH -ON OR MECHANICAL JOINT. CAST IRON OR DUCTILE IRON PIPE FITTINGS SHALL BE CLASS 250 AS
PER ANSI/AWWA C110/A21.10-82. ALL DUCTILE IRON PIPE AND FITTINGS SHALL BE WRAPPED WITH 8-MIL BLACK, TUBE -TYPE,
POLYETHYLENE PLASTIC PER AWWA C105 STANDARDS.
5. MINIMUM COVER FROM TOP OF WATER MAINS TO FINISHED GRADE SHALL BE 36 INCHES FOR PIPE DIAMETER OF 10-INCH OR LESS
AND 48 INCHES FOR PIPE DIAMETER OF 12-INCH AND LARGER. MAXIMUM COVER FOR ALL WATER MAINS SHALL BE 60 INCHES.
ANY DEVIATIONS MUST BE APPROVED BY THE CITY OF RENTON PRIOR TO CONSTRUCTION, WHERE UTILITY CONFLICTS OCCUR,
THE PROFILE OF THE WATER MAIN SHALL BE ADJUSTED AS NECESSARY TO CLEAR CONFLICTS AND TO PROVIDE MINIMUM COVER.
PIPE DEFLECTION SHALL NOT EXCEED ONE-HALF OF PIPE MANUFACTURER'S SPECIFICATION FOR SIZE OF PIPE USED. ALL TRENCH
BACKFILL SHALL BE COMPACTED TO 95 PERCENT MAXIMUM DRY DENSITY AS DETERMINED BY THE MODIFIED PROCTOR TEST
METHOD (MDD) IN ROADWAYS, ROADWAY SHOULDERS, ROADWAY PRISM AND DRIVEWAYS, AND 85 PERCENT MDD IN UNPAVED
AREAS. ALL PIPE ZONE COMPACTION SHALL BE 95 MDD.
6. CONCRETE BLOCKING FOR WATER MAINS SHALL BE DESIGNED, INSTALLED AND POURED IN PLACE IN ACCORDANCE WITH CITY OF
RENTON STANDARD DETAILS AND SPECIFICATIONS AND SHALL BE INSTALLED AT ALL VERTICAL AND HORIZONTAL BENDS, FITTINGS
AND BASE OF HYDRANTS. MEGA -LUGS (OR SIMILAR PRODUCT) MAY BE REQUIRED ON ALL MECHANICAL JOINTS IN ADDITION TO
CONCRETE BLOCKING.
7. ALL NEW WATER MAIN PIPES AND FITTINGS SHALL HAVE A FOAM PIPE PIG RUN THROUGH THEM PRIOR TO BEING FLUSHED,
DISINFECTED, AND TESTED. CLEANING, PRESSURE AND PURITY TESTING SHALL BE DONE IN THE PRESENCE OF AND UNDER THE
SUPERVISION OF A CITY OF RENTON UTILITY INSPECTOR. THE CONTRACTOR SHALL SUPPLY, INSTALL AND REMOVE PLUGS,
CORPORATION STOPS, BLOW -OFF ASSEMBLIES, AND THRUST RESTRAINT / BLOCKING FOR TESTING AND PURITY ACCEPTANCE. NO
CONNECTION SHALL BE MADE BETWEEN THE NEW MAIN OR BETWEEN THE NEW WET -TAP VALVE TO AN EXISTING MAIN UNTIL
THE NEW PIPING HAS BEEN FOAM -PIGGED, DISINFECTED, FLUSHED, AND PASSED BOTH PRESSURE AND PURITYTESTING.
8. NEW WATER MAINS INCLUDING SERVICE LATERALS SHALL BE TESTED AT A STATIC PRESSURE OF 150 PSI ABOVE WORKING
PRESSURE WITH A MINIMUM OF 225 PSI TEST PRESSURE FOR 120 MINUTES WITH A MAXIMUM OF 5 PSI PRESSURE DROP DURING
THE ENTIRE TEST PERIOD. UPON SATISFACTORY COMPLETION OF THE PRESSURE TEST, THE LINE SHALL BE DISINFECTED, FLUSHED,
AND THEN WATER SAMPLES SHALL BE TAKEN FOR PURITY TESTING BY THE PUBLIC WORKS INSPECTOR.
9. THE CONTRACTOR SHALL NOTIFY THE CITY OF RENTON WATER UTILITY AND MAINTENANCE DEPARTMENTS AT LEAST 10 WORKING
DAYS PRIOR TO MAKING CONNECTIONS TO THE EXISTING WATER SYSTEM. THE CONTRACTOR SHALL EXPOSE THE EXISTING WATER
MAIN AND FITTINGS AT THE CONNECTION POINT BEFORE ORDERING THE NECESSARY ADAPTORS AND FITTINGS REQUIRED FOR
THE FINAL CONNECTION. THE CONTRACTOR SHALL EXCAVATE REMOVE ALL SURFACE MATERIALS AND PROVIDE SHORING AND
ALL MATERIALS REQUIRED FOR THE CITY OF RENTON TO PERFORM THE CONNECTION TO THE EXISTING WATER SYSTEM. THE
CONTRACTOR SHALL PROVIDE AND INSTALL BACKFILL, CONCRETE BLOCKING, AND COMPLETE SURFACE RESTORATION.
ti�Y o STD. PLAN - 300.0
PUBLIC WORKS
` •`� ` DEPARTMENT WATER PLAN GENERAL NOTES
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POTHOLED TOP
OF PIPE = 456.24 12 LF 8"
DI CL52
I
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DI CL52
�\�38 LF 8" DI CL52
" ATER BEND
I E 161.91
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NTS
3
WATER MAIN
CONNECTION
REVISION
475
PROPOSED FIRE
HYDRANT ASSEMBLY
(BEYOND)
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IRE HYDRANT ASSEMBL
Scale: 1"=5' V. 1"=20'
H
IVU I CJ:
1. FIRE HYDRANT TO BE PAINTED WITH TWO COATS OF SAFETY YELLOW DTM ACRYLIC GLOSS OR ENAMEL PAINT.
2. PUMPER NOZZLE TO FACE ROADWAY OR AS DIRECTED BY RRFA.
3. A MINIMUM 3' RADIUS UNOBSTRUCTED WORKING AREA SHALL BE PROVIDED AROUND THE OUTSIDE OF THE HYDRANT.
COMPRESSION TYPE HYDRANT (SEE APPROVED MATERIALS LIST) WITH 6" MJ INLET WITH LUGS, 5 %4" MVO,
O
HYDRANT
1 %" PENTAGON OPERATING NUT, TWO (2) 2 Y2" NST HOSE NOZZLES, AND 4.875" SST PUMPER NOZZLE
EQUIPPED WITH 5" STORZ ADAPTER AND 1/8" STAINLESS STEEL CABLE, WITH EXTENSION IF NECESSARY.
OB
TEE
MAIN LINE TEE WITH 6" FLANGE SIDE OUTLET
OC
VALVE
6" GATE VALVE (FLxMJ)
OD
VALVE BOX
VALVE BOX AND LID PER STD PLAN 330.7
OE
PIPE
CLASS 52 DI, LENGTH TO FIT
OF
JOINT RESTRAINT
MECHANICAL JOINT RESTRAINT WITH CONCRETE BLOCKING OR (2) 3/4" CORTEN STEEL TIE RODS
1 Y4" WASHED DRAIN ROCK, MINIMUM V ABOVE BOOT FLANGE WITH 8-MIL POLYETHYLENE SHEETING
GO
GRAVEL
AROUND TOP AND SIDES OF GRAVEL
OCONCRETE
BLOCK
MINIMUM 16"x8"x4" CONCRETE BLOCKS UNDER FIRE HYDRANT AND GATE VALVE
OI
BLOCKING
CONCRETE BLOCKING PER STD PLAN 330.1
JO
SHEAR BLOCK
4'x4'x6" CONCRETE SHEAR BLOCK AROUND FIRE HYDRANT, SEE STANDARD DETAIL 310.2
OPAVEMENT
MARKER
BLUE REFLECTIVE PAVEMENT MARKER PER STD PLAN 310.3
STD. PLAN - 310.1
+- PUBLIC WORKS
APPROVED:
FIRE HYDRANT ASSEMBLY
DEPARTMENT
(3/28/2023
a ni��wo�k: nemm�svaoo, DATE
Fire Hydrant Profile 7
RVEYED
'12/23 1"=10 HORIZONTAL NADVD983/1991 CITY OF
DESIGNED: AP
L/30/23 SSE ' RENTON
3/12/2 DRAWN: DJD
ONE INCH DATUM
)/17/25 CHECKED: AT FULL SCALE Planning/Building/Public Works Dept.
SSE IF NOT ONE INCH
DATE APPR APPROVED: SCALE ACCORDINGLY
JAJ
ALL MECHANICAL JOINT FITTINGS
ARE WEDGE -TYPE RESTRAINED
RETAINING GLAND PER SUBMITTAL
CONSTRUCTION RECORD DRAWING
THIS CONSTRUCTION RECORD DRAWING IS A COPY OF A CAD FILE
PREPARED BY JACOBSON CONSULTING ENGINEERS, AND HAS BEEN
EDITED TO REFLECT THE AS -BUILT CONDITIONS OF THE PROJECT.
FIELD DIMENSIONS AND INFORMATION WAS PROVIDED BY MOECO,
AND PROVIDED TO JACOBSON CONSULTING ENGINEERS IN AUGUST
2025. JACOBSON CONSULTING ENGINEERS DOES NOT PROVIDE ANY
WARRANTY AS TO THE ACCURACY OR COMPLETENESS OF SUCH
INFORMATION PROVIDED BY OTHERS.
NTS
Fire Hydrant Assembly
W-428004 R-428009
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
DATE:
HAZEN HIGH SCHOOL FIE BO/18/25
PAGE:
SITEWORK FOR PORTABLE CLASSROOMS DRAWING NO:
SITE DETAILS C511
SHEET: OF:
9 OF 9
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PERMIT/PRICING REVIEW SET