HomeMy WebLinkAboutW-381102WATER PLAN GENERAL NOTES Standard Plan No. 300
1. ALL WUKK ANU MA i EHIALS SHALL BE IN ACCORDANCE WITH THE LATEST EDITION OF THE CITY OF RENTON PUBLIC WORKS
STANDARD SPECIFICATIONS AND SPECIAL PROVISIONS AND WSDOT i 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 1-500-4245555 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 LINE.
D 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 AN
51 AWWA C
110 A21,
102, ALL DUCTILE IRON PIPE E AND FITTINGS
SHALL BE WRAPPED WITH 8 -MIL BLACK, TUBE -TYPE,
POLYETHYLENE PLASTIC PER AWWA C105 STANDARDS.
S. 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.
5. 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 PURIM' 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-PIGG ED, DISINFECTED, FLUSHED, AND PASSED BOTH PRESSURE AND PURITY TESTING.
8. NEW WATER MAINS INCLUDING G SERVICE LATERALS SHALL BE TESTEDT
A ASTATIC 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 E EXISTING
WATER SYSTEM. THE CONTRACTOR SHALL EXPOSE THE EXISTING S 1NG WATER
MAIN AND FITTINGS AT THE CONNECTION POINT BEFORER
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 Q 0 TO PERFORM THE CONNECTION TO THE EXISTING WATER TE SYSTEM. THE
CONTRACTOR
SHALL PROVIDE AND INSTALL BACKFILL, CONCRETE BLOCKING, AND COMPLETE SURFACE RESTORATION.
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CONCRETE BLOCKING FOR STD. PLAIN — 330.2
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t HORIZONTAL AND DOWNWARD- --___ _...-------------------.-----_-_--
VERTICAL BENDS
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MIN VI M1'
MIN MIN IN
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* FOR MINIMUM STANDARDS, SEE DWG# HR -05,
SP PAGE H032
OF CURB OR
OF PAVEMENT
;ENTER LINE OR
"ANE LINE
S*
D SURFACING TOP COURSE
TYPICAL TRANSVERSE PATCH
FOR FLEXIBLE PAVEMENT
ADOPTED
CITY OF R$NMN
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STANDARD PI.AM
ISP DATE: 02/05
DWG. NAME: H032-1 SP PAGE: H032.1
W- 381 10
CITY OF RENTON
Approved by: Date:
Approved by: Date:
Approved by: Date:
Approved by: Date:
02015 TRIAD ASSOCIATES
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triad
20300 Woodinville Snohomish Rd NE
Suite A - Woodinville, WA 98072
p: 425.415,2000 f: 425.486.5059
w: triad associates. net
33333 333
PROJECT ENGP=
PROJECT LANDSCAPE ARCfltrECT
MST SUMMAL DATE: 1/8/15
SCALE: RM.:1 =10' NU.: N/A
3Pi1P NOT VALID
UNLESS SIGNED AND DATED
JOB N0. 14� 192
SSP N0. C2oF2
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