HomeMy WebLinkAbout360.4M
PLAN
ELEVATION
DCB
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24"
MIN
12"
MIN
6"
MIN
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SERVICE
FROM METER
SERVICE
TO BUILDING
G
TO OWNER'S
ELECTRICAL PANEL
4"
MIN 2"FINISHED
GRADE
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H
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I12" MIN
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E
KPROPERTY LINEH
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PUBLIC WORKS
DEPARTMENT
APPROVED:
DATEMartin Pastucha
Public Works Administrator
3" TO 10" RPDA
HEATED ENCLOSURE INSTALLATION
FIRE SPRINKLER SYSTEMS
STD. PLAN - 360.4 Sht. 1 of 2
6/28/2023
REDUCED PRESSURE
DETECTOR ASSEMBLY
LINE-SIZED WASHINGTON STATE-APPROVED RPDA WITH TWO (2) RESILIENT-SEATED SHUT-OFF VALVES AND
FOUR (4) RESILIENT-SEATED TEST COCKS. RPBA SHALL BE INSTALLED EQUIDISTANT FROM ENDS OF
CONCRETE VAULT; TWO (2) VALVE SUPERVISORY SWITCHES (ONE PER VALVE) PER RRFA REQUIREMENTS
BYPASS 3/4" DETECTOR BYPASS, ALL MATERIALS TO BE BRASS OR COPPER
BYPASS METER 3/4" AMI WATER METER WITH RADIO AND BATTERY UNIT, TO BE PROVIDED BY THE CITY
DOUBLE CHECK
VALVE ASSEMBLY
3/4" WASHINGTON STATE-APPROVED DCVA WITH TWO (2) RESILIENT-SEATED SHUT-OFF VALVES AND FOUR
(4) RESILIENT-SEATED TEST COCKS
PIPE SUPPORT ADJUSTABLE PIPE SADDLE SUPPORT, GRINNELL FIG 264 OR EQUAL, WITH BASE, BOLTED TO FLOOR
ADAPTER RESTRAINED FLANGE ADAPTER, EBAA IRON SERIES 2100 MEGAFLANGE OR EQUAL
WATER MAIN CLASS 53 DI PIPE WITH RESTRAINED JOINTS
BEND 90° BEND (FLxFL OR FLxMJ WITH RESTRAINED JOINTS)
PIPE PENETRATION SEAL PIPE PENETRATION WITH WATER-TIGHT GROUT
ENCLOSURE INSULATED ENCLOSURE SIZED TO FIT RPDA, ASSE 1060 CERTIFIED, SAFE-T-COVER OR EQUAL
(NOTE: BURIED VAULT IS NOT PERMITTED FOR RPDA)
ELECTRICAL CONDUIT RIGID CONDUIT PER ELECTRICAL PERMIT REQUIREMENTS
ELECTRICAL OUTLET 120-VOLT OUTDOOR ELECTRICAL OUTLET WITH COVER, INSTALL HEAT TAPE FOR FREEZE PROTECTION
CONCRETE SLAB CONCRETE SLAB (MINIMUM 2,000 PSI) SIZED TO FIT RPDA AND ENCLOSURE PER MANUFACTURER,
REINFORCED WITH 6x6 W2.9xW2.9 WELDED WIRE FABRIC
BLOCKING CONCRETE BLOCKING PER STD PLAN 330.1
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MATERIALS
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NOTES:
1.THE RPDA AND DCVA MUST BE LISTED ON THE LATEST VERSION OF "BACKFLOW ASSEMBLIES APPROVED FOR INSTALLATION IN
WASHINGTON STATE," PUBLISHED BY THE STATE OF WASHINGTON DEPARTMENT OF HEALTH.
2.THE RPDA AND DCVA MUST BE TESTED BY A WASHINGTON STATE CERTIFIED BACKFLOW ASSEMBLY TESTER UPON INSTALLATION AND
ANNUALLY THEREAFTER. ASSEMBLY TO BE MAINTAINED BY PROPERTY OWNER. A COPY OF THE TEST REPORT SHALL BE SENT TO THE CITY
OF RENTON WATER UTILITY CROSS CONNECTION CONTROL SPECIALIST, FAX 425-430-7207, EMAIL BACKFLOW@RENTONWA.GOV.
3.EACH VALVE SHALL BE MARKED WITH MODEL NUMBER AND DESIGNATION OF RESILIENT SEAT, SUCH AS "RS" OR "R", WHICH MUST BE
CAST, MOLDED, OR AFFIXED ONTO THE BODY OR BONNET OF THE VALVE. ALL FERROUS-BODIED VALVES SHALL BE COATED WITH A
MINIMUM OF 4 MILS EPOXY OR EQUIVALENT POLYMERIZED COATING.
4.RPDA AND ENCLOSURE SHALL BE LOCATED ON PRIVATE PROPERTY AND AS NEAR AS POSSIBLE TO THE WATER METER.
5.PROVIDE MINIMUM 24" OF LEVEL, UNOBSTRUCTED AREA AROUND HATCH.
M
N
PUBLIC WORKS
DEPARTMENT
APPROVED:
DATEMartin Pastucha
Public Works Administrator
3" TO 10" RPDA
HEATED ENCLOSURE INSTALLATION
FIRE SPRINKLER SYSTEMS
STD. PLAN - 360.4 Sht. 2 of 2
6/28/2023