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HARMS°EN &
ASSOCIATES INC.
ENGINEERS SURVEYORS PLANNERS
17614 - 162ND ST. SE
POST OFFICE BOX 516
MONROE, WA 98272-0516
360-794-781 1
206-343-5903
360-794-9087 (FAX)
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EXPIRES: 10/27/05
FINISHED GRADE ELEVATION
TEMPORARY 2" GALVANIZED
PIPE AND 2" GATE VALVE
INSTALL 2" PLUG ON
TOP BLIND FLANGE
3 FT MIN. COVER (10-INCH DIAMETER AND UNDER) AFTER REMOVAL OF POLYPIG
4 FT MIN. COVER (12-INCH DIAMETER AND OVER)
\ NEW WATER MAIN POLYPIG
VERTICAL CROSS FOR POLYPIGGING STATION:
SIZE OF VERTICAL CROSS SHALL BE THE SAME AS SIZE OF MAIN LINE
VERTICAL CROSS (MJ X FL)
ONE BLIND FLANGE ON TOP OF CROSS WITH 2" TAP & 2" TEMPORARY BLOW -OFF ASSEMBLY
(REMOVE BLOW -OFF ASSEMBLY AND INSTALL 2" PLUG AFTER REMOVAL OF CLEANING "POLY -PIG")
ONE BLIND FLANGE ON BOTTOM OF CROSS
ONE PLUG (MJ) ON END OF CROSS
CONCRETE BLOCKING
ALL DEBRIS AND POLYPIGS SHALL BE REMOVED FROM SUMP OF VERTICAL CROSS BEFORE
DISINFECTION OF NEW WATER MAIN
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WATER PAIN POLYPIGGING STATION
VERTICAL CROSS FOR POLYPIGGING
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O LOT DAM 06/2W3
DWG. NAME: BRX5 SP PAGE: Bl l4
CHECKED FOR COMPLIANCE
TO CITY STANDARDS
DATE
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DATE 30,
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TESTING DETAIL Z
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TAPPING TEE (MJxFL)
TAPPING GATE VALVE (FL XMJ)
TEMPORARY PLUG (MJ) WITH 2-INCH TAP
AND 2-INCH BLOW -OFF ASSEMBLY
CONCRETE BLOCKING
NEW D.I. WATER LINE
VERTICAL CROSS(MJxFL) FOR POLYPIGGING
1-BLIND FLANGE ON TOP WITH 2" TAP AND 2" PLUG
1-BLIND FLANGE ON BOTTOM
1-PLUG(MJ) WITH 2"TAP & 2" BLOW -OFF
TEMPORARY BLOCK
NOTES:
1. TAPPING TEES SHALL BE MADE OF DUCTILE IRON OR EPDXY -
COATED STEEL.
2. NO SIZE ON SIZE TAPS ON CAST-IRON WATER LINES.
TAP SHALL BE AT LEAST 2" SMALLER DIAMETER THAN THE EXISTING MAIN.
3. NO WET TAP ON ASBESTOS CEMENT LINE OR STEEL LINE
4. WET -TAP SHALL BE DONE ONLY BY CITY -APPROVED CONTRACTORS
5. CONTRACTOR SHALL POTHOLE AND VERIFY THE
HORIZONTAL AND VERTICAL ALIGNMENT OF EXISTING LINE
OR STUB AND SHALL START LAYING THE NEW LINE AT
THE SAME HORIZONTAL AND VERTICAL ALIGNMENT OF THE
EXISTING STUB,
CITY FORCES WILL PERFORM THE FINAL CONNECTION
FROM THE WATER LINE TO THE TAPPING VALVE WITH D.I.
SLEEVE AND D.I. SPOOL
CITY OWNED !
AND MAINTAINED PRIVATELY OWNED AND MAINTAINED
No —
MAXIMUM PIPE LENGTH FROM PROPERTY LINE
TO DDCVA MUST NOT EXCEED 50 FEET
BUILDING WALL
2 3 4
4 CONCRETE BOLLARDS zl
10 N
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13 12 11 00
1- MAIN LINE TEE (MJ x FL) WITH CONCRETE BLOCKING
(WATER MAIN LOCATED IN EASEMENT ON PRIVATE PROPERTY
SHALL NOT BE MORE THAN 50 FEET TO BUILDING)
2- BRANCH VALVE (FL x MJ) WITH VALVE BOX AND COVER
3- CLASS 52 DUCTILE IRON PIPE (4 INCH MINIMUM)
ALL PIPE AND FITTINGS SHALL BE RESTRAINED WITH SHACKLE RODS
AND CONCRETE THRUST BLOCKS PER NFPA AND AWWA STANDARDS.
4- POST -INDICATOR VALVE (MJ) WITH TAMPER SWITCH
5- 2-90' BENDS (FL x FL) WITH FLANGED DUCTILE IRON PIPE SPOOL
6- 18" LONG SPOOL (FL x PE)
7- FLANGE COUPLING ADAPTOR
8- APPROVED DDCVA ON MAIN LINE IN HORIZONTAL POSITION ONLY.
(PER LATEST DEPT. OF HEALTH APPROVED LIST OF BACKFLOW PREVENTION DEVICES)
BOTTOM OF DDCVA SHALL BE A MINIMUM OF 24 INCH ABOVE FLOOR LEVEL AND
NOT HIGHER THAN 3 FEET MAXIMUM. INSTALL 3 CONCRETE PADS OR ADJUSTABLE PIPE
SUPPORT COLUMNS UNDER DDCVA
9- O.S & Y VALVES TO BE RESILIENT SEATED WITH TAMPER SWITCHES.
ADD WIRING IN ACCORDANcE WITH L & I
10- METERED 3/4 INCH BY-PASS DCVA - BY-PASS METER SHALL BE A 3/4 INCH
"INVENSYS-ECR" SR POSITIVE DISPLACEMENT METER EQUIPPED WITH A REMOTE
READ SENSOR PLATE MOUNTED ON THE OUTSIDE OF THE BUILDING WALL.
1 1- SWING TYPE GRAVITY CHECK VALVE, FLANGE WITH BALL DRIP IN VAULT
12- 4"x 4" x 6" BULL, ELBOW, THREADED
13- UL LISTED FIRE DEPT. CONNECTION, UL LISTED BREAK AWAY CAPS, LOCATE WITHIN
50 FEET MAXIMUM OF A PUBLIC FIRE HYDRANT.
AFTER FIELD INSTALLATION, MAIN DDCVA AND BY-PASS DCVA MUST BE TESTED
SATISFACTORILY BY A DEPARTMENT OF HEALTH CERTIFIED BACKFLOW ASSEMBLY
TESTER. TEST REPORT MUST BE SL18MITTED TO CITY OF RENTON WATER UTILITY
ENGINEERING DEPARTMENT PRIOR TO ACTIVATION OF NEW LINE.
INSTALL BRASS PLUGS AT ALL TEST COCKS.
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FINAL CONNECTION DETAIL
NEW D.I. WATER LINE
AFTER ALL CLEANING BY POLYPIG, PRESSURE TESTING
AND DISINFECTION, REMOVE TEMPORAY BLOCK & BLOW -OFF
AND CONNECT TO VALVE WITH D.I. SLEEVE (MJ) & D.I. SPOOLS
FINAL CONNECTION BY CITY FORCES
WATER CONNECTION DETAIL
WET -TAP EXISTING WATER MAIN
ADOPTED
CITY OF RENTON
♦ I♦
STANDARD PLANS
IM DATE: 06 2003
PERIMETERS OF MINIMUM CLEARANCES TO BE
PAINTED ON FLOOR IN WHITE ENAMEL PAINT
STRIPE, WITH 2 INCH STENCILED BLACK LETTERS
TO SAY: "DO NOT BLOCK ACCESS"
DDCVA MUST BE INSTALLED IMMEDIATELY AFTER
PIPE PENETRATION THROUGH BUILDING FLOOR SLAB.
ROOM IN WHICH DDCVA IS LOCATED SHALL:
A. HAVE FLOOR DRAIN CONNECTED TO THE SANITARY SEWER SYSTEM.
B. HAVE A HEATING SYSTEM (40' F MIN. TEMP.) NO HEAT TAPE
C. NOT BE USED FOR STORAGE AROUND THE DDCVA
D. HAVE CLEARLY DELINEATED ACCESS WAYS TO DDCVA AND PIVs.
A RIGHT -OF -ENTRY AGREEMENT MUST BE GRANTED TO THE
CITY OF RENTON FOR INSPECTION OF THE DDCVA
AND METER.
SEPARATE FIRE SPRINKLER PLANS INCLUDING INSTALLATION OF DDCVA
MUST BE SUBMITTED TO RENTON FIRE PREVENTION DEPARTMENT FOR
REVIEW AND APPROVAL.
A SEPARATE FIRE SPRINKLER PERMIST IS REQUIRED.
24 INCH MINIMUI
36 INCH MAXIMU
6 2003
REVISE METER FROM SENSUS TO INVENSYS
AG
DATE
REVISION
BY
APPR
FINISH FLOOR LEVEL
ELEVATION VIEW OF DDCVA
1.
DWG. NAM E:
CITY OF RENTON
STANDARD PLANS
LST DATE:.