HomeMy WebLinkAbout350.2w 120 VOLT ELECTRICAL OUTLET FOR
z HEAT TAPE. INSTALL HEAT TAPE
FOR FREEZE PROTECTION CENTER BACKFLOW
ry PREVENTER IN
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0 o REDUCED PRESSURE ENCLOSURE
Of BACKFLOW ASSEMBLY
Of (RPBA) 3" MIN.
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3" MIN, INSULATED ENCLOSURE
3" MIN. "HOT BOX" OR EQUAL
3/8" X 4" ANCHOR
BOLTS PER
MANUFACTURER 0
3" MIN.
CONCRETE SLAB z UNION FINISHED
=N GRADE
FINISHED `V
GRADE � � 2 a
DRAIN
z SEE NOTE 4
6" MINIMUM SLEEVE
FREE DRAINING (TYP.)
GRAVEL z
CONNECT TO N
WATER METER
IMMEDIATELY
ADJACENT TO
RPBA
FLOW
INSTALLED W/ APP'D. TO OWNERS ELECTRICAL PANEL. FRONT VIEW
MATERIAL PER UPC DIRECT BURIAL OR IN RIGID METER SIDE
(SIZE AS REQ.) CONDUIT PER ELECTRICAL
SIDE VIEW PERMIT REQUIREMENTS.
NOTES:
1. ALL REDUCED PRESSURE BACKFLOW ASSEMBLIES (RPBA's) MUST BE LISTED ON LATEST LIST OF "BACKFLOW
PREVENTION ASSEMBLIES APPROVED FOR INSTALLATION IN WASHINGTON STATE", PUBLISHED BY STATE OF
WASHINGTON DEPARTMENT OF HEALTH.
2. THE OWNER/APPLICANT MUST OBTAIN A SEPARATE CITY OF RENTON PLUMBING PERMIT FOR THE INSPECTION
OF THE INSTALLATION OF THE RPBA AND PIPING. THE OWNER SHALL FURNISH, INSTALL AND MAINTAIN THE
RPBA AND ALL PIPING AND APPURTENANCES SHOWN ON THIS PLAN.
3. THE RPBA MUST BE TESTED BY A STATE CERTIFIED BACKFLOW ASSEMBLY TESTER AFTER ITS INITIAL
INSTALLATION, AFTER REPAIRS AND ANNUALLY THEREAFTER AT OWNER'S EXPENSE. A COPY OF THE TEST
REPORT SHALL BE SENT OR FAXED TO CITY OF RENTON WATER UTILITY ENGINEERING DEPT., ATTN: WATER
UTILITY CROSS—CONNECTION CONTROL SPECIALSIT, FAX NO. 425-430-7241.
4. DRAIN SHALL BE SIZED IN ACCORDANCE WITH AWWA CROSS CONNECTION CONTROL MANUAL STANDARDS
3" DRAIN FOR 1" OR SMALLER RPBA's, 4" DRAIN FOR 1.5" TO 2" RPBA's, 6" FOR 3" RPBA's.
5. RPBA AND ENCLOSURE SHALL BE LOCATED ON PRIVATE PROPERTY AND AS NEAR AS POSSIBLE TO THE
WATER METER.
ZY STD. PLAN — 350.2
+ e� �+ PUBLIC WORKS REDUCED PRESSURE BACKFLOW
� y DEPARTMENT ASSEMBLY IN HOT BOX
�,N,�p MARCH 2010