HomeMy WebLinkAboutWTR2703226.8WATER UTILITY GENERAL NOTES
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1. Al I_ WORK MATERIALS SHALL BE IN CONFORMANCE WITH THE STANDARDS AND
SPECIFICATIONS OF THE CITY OF RENTON UTILITY DEPARTMENT AND THE LATEST
EDITION OF THE WSDOT/APWA STANDARDS AND SPECIFICATIONS, AS APPROVED BY
THE CITY OF RENTON. A SET OF APPROVED PLANS SHALL BE KEPT ON SITE AT ALL
TIMES DURING CONSTRUCTION.
2. THE HOURS OF WORK IN THE STREET RIGHT-OF-WAY SHALL BE LIMITED TO 8:30
TO 3:30 PM ON WEEKDAYS UNLESS OTHERWISE APPROVED IN WRITING BY THE
DEPARTMENT OF PUBLIC WORKS AT 235-2635. ALL STREET CLOSURES, PARTIAL OR
FULL, SHALL BE APPROVED BY THE DEPARTMENT OF 'DUBLIC WORKS 24 HOURS IN
ADVANCE. THE POLICE DEPARTMENT, FIRE DEPARTMENT, AND 911 SHALL BE NOTIFIED
24 HOURS IN ADVANCE.
9B. ALL WATER MAINS AND SERVICES SHALL BE DISINFECTED BY THE INJECTION OF A
50 PPM (MINIMUM CONCENTRATION) CHLORINE/WATER SOLUTION. DRY CALCIUM
HYPOCHLORITE SHALL NOT BE PLACED IN THE PIPE AS LAID. CHLORINE SHALL BE
METERED/INJECTED IN ACCORDANCE WITH SECTION 7-11.3(12)E OR 7-11.3(12)F OF THE
STANDARD SPECIFICATIONS REFERENCED IN 1 ABOVE.
AM 10. A PRECONSTRUCTION CONFERENCE IS REQUIRED PRIOR TO ANY CONSTRUCTION.
A MINIMUM OF THREE (3) WORKING DAYS NOTICE IS REQUIRED FOR SCHEDULING.
PRIOR TO SCHEDULING THE PRECON A PERMIT INFORMATION SHEET MUST BE
SUPPLIED TO THE UTILITY ENGINEER'S OFFICE. TWENTY-FOUR HOUR NOTICE WILL BE
REQUIRED PRIOR TO STARTING NEW CONSTRUCTION.
3. ALL LOCATIONS OF EXISTING UTILITIES SHOWN ARE APPROXIMATE AND IT SHALL BE
THE CONTRACTOR'S RESPONSIBILITY TO VERIFY THE TRUE AND CORRECT LOCATION
SO AS TO AVOID DAMAGE OR DISTURBANCE. FOR UTILITY LOCATE CALL UTILITIES
UNDERGROUND LOCATION CENTER, 1-800-424-5555.
4. ALL WATER MAIN PIPE TO BE CEMENT LINED DUCTILE IRON PIPE CONFORMING TO
AWWA C110 AND C111 OR LATEST REVISION, THICKNESS CLASS 52 CEMENT MORTAR
LINING AND SEAL COATING SHALL CONFORM TO AWWA C104 OR LATEST REVISION.
PIPE JOINTS TO BE PUSH -ON OR MECHANICAL JOINT. BEDDING TO BE CLASS C. ALL
DUCTILE IRON PIPE INSTALLED SOUTH OF SUNSET BLVD. (EMPIRE WAY, SR 900) AND
WEST OF SR 167 (EAST VALLEY FREEWAY) OR IN SOILS OF HIGH RESISTIVITY SHALL BE
POLYETHYLENE WRAPPED PER ANSI/AWWA C105-77 STANDARDS.
5. CAST IRON AND DUCTILE IRON FITTINGS SHALL BE CEMENT LINED, PRESSURE RATED
AS NOTED ON PLANS, AND IN ACCORDANCE WITH ANSI/AWWA C110/A21.10-82. CEMENT
LINING SHALL BE IN ACCORDANCE WITH ANSI/AWWA C104/A21.4-85. IF FITTINGS ARE 3
INCHES TO 12 INCHES IN DIAMETER AND HAVE MECHANICAL JOINTS, THE FITTINGS
SHALL BE IN ACCORDANCE WITH EITHER ANSI/AWWA C110/A21.10-82 OR ANSI/AWWA
C153/A21.53-84. 3-INCH TO 12-INCH DIAMETER FITTINGS WHICH HAVE MECHANICAL
JOINTS AND/OR FLANGED JOINTS SHALL BE IN ACCORDANCE WITH ANSI/AWWA
C110/A21.10.82 OR A COMBINATION OF ANSI/AWWA C110/A21.10.82 AND ANSI/AWWA
C153/A21.53-84 SUCH THAT THE PORTION OF THE FITTING WITH A MECHANICAL JOINT(S),
MAY BE IN ACCORDANCE WITH ANSI/AWWA C153/A21.53-84 AND THAT PORTION OF THE
FITTING WITH FLANGED JOINT(S) SHALL BE IN ACCORDANCE WITH ANSI/AWWA
C110/A21.10-82. ACCEPTANCE TESTING IN ACCORDANCE WITH SECTION 53-5.3 OF
ANSI/AWWA C153/A21.53-84 OR WITH SECTION 10-13 OF ANSI/AWWA C110/A21.10-82
SHALL BE OBTAINED BY THE CONTRACTOR AND TRANSMITTED TO THE OWNER.
6. GATE VALVES SHALL CONFORM TO AWWA C500 AND SHALL BE IRON BODY,
BRONZED -MOUNTED, DOUBLE DISC WITH BRONZE WEDGING DEVICE AND 0-RING
STUFFING BOX. VALVES SHALL BE DESIGNED FOR A MINIMUM WATER OPERATING
PRESSURE OF 200 PSI. GATE VALVES SHALL BE CLOW LIST 14, MUELLER COMPANY
A2380, OR M&H. ALL VALVES 12" IN DIAMETER AND LARGER, SHALL BE INSTALLED
VAULT. SEE WATER STANDARD DETAIL FOR 12" GATE VALVE ASSEMBLY VAULT AND
BYPASS INSTALLATION.
11. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO SECURE ALL NECESSARY
PERMITS PRIOR TO STARTING CONSTRUCTION.
12. INSTALLATION OF CORPORATE STOPS, WATER SERViC�:_S, LINES AND METERS
SHALL NOT BE DONE UNTIL ALL SERVICE AGREEMENTS, METER APPLICATIONS,
CONSTRUCTION PERMITS, AND PAYMENT OF FEES HAVE BEEN MADE TO THE CITY OF
RENTON.
13. ALL CONNECTION TO EXISTING MAINS TO BE ACCOMPLISHED BY THE CITY OF
RENTON, EXCEPT WET TAPS WHICH MAY BE MADE BY APPROVED WET TAP
CONTRACTORS WITH PRIOR APPROVAL OF FROM THE DEPARTMENT OF PUBLIC WORKS.
ALL NECESSARY EXCAVATION AND MATERIALS TO BE SUPPLIED BY THE CONTRACTOR
AND BE ON -SITE PRIOR TO CITY NOTIFICATIONS.
14. INSPECTION WILL BE ACCOMPLISHED BY A REPRESENTATIVE OF THE CITY OF
RENTON. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO NOTIFY THE UTILITY
DEPARTMENT 24 HOURS IN ADVANCE OF BACKFILLING ALL CONSTRUCTION. THE
CONTRACTOR, AS WELL AS THE ENGINEERS, SHALL KEEP AS -BUILT DRAWINGS.
15. CONTRACTOR TO PROVIDE PLUGS AND TEMPORARY BLOW -OFF ASSEMBLIES FOR
TESTING AND PURITY ACCEPTANCE PRIOR TO FINAL TIE-IN.
16. ALL JOINT RESTRAINT SYSTEMS (SHACKLE RODS, NUTS, BOLTS, ETC.) SHALL BE AS
MANUFACTURED BY THE STAR MANUFACTURING COMPANY OF COLUMBUS, OHIO OR
EQUAL APPROVED IN WRITING BY THE DEPARTMENT OF PUBLIC WORKS.
17. ASPHALT AND CONCRETE STREET PAVING SHALL BE SAWCUT TO A MINIMUM DEPTH
OF TWO INCHES. OIL MAT STREETS MAY BE SPADE CUT. ALL SURFACE CONCRETE,
PAVEMENT, SIDEWALKS, CURB, GUTTERS, AND DRIVEWAY APPROACHES SHALL BE
SAWCUT TO A MINIMUM DEPTH OF TWO INCHES OR REMOVED TO AN EXISTING
EXPANSION POINT.
NO. 18. A TEMPORARY COLD MIX ASPHALT PATCH SHALL BE PLACED ON THE DAY OF INITIAL
IN A EXCAVATION WITH A PERMANENT, SEALED PATCH TO BE PLACED, TO CITY OF RENTON
1„ POLICY, WITHIN TEN DAYS. CALL FOR SUBGRADE INSPECTION PRIOR TO PLACEMENT
OF FINAL PATCH. TRENCHES WILL NOT BE LEFT OPEN OVER NIGHT WITHOUT PRIOR
WRITTEN APPROVAL OF THE INSPECTOR.
?7. FIRE HYDRANTS SHALL BE COREY TYPE (OPENING WITH THE PRESSURE) 19. FOR CITY PROJECTS SUCH AS TELEMETRY CONDUIT, THE PVC PIPE USED SHALL BE
CONFORMING TO AWWA C504-80 WITH A 6 INCH INLET AND A M.V.O. OF 5 INCHES, TWO SCHEDULE 40 IN UNIMPROVED AREAS AND SCHEDULE 80 UNDER IMPROVED AREAS. ALL
2-1/2 INCH HOSE NOZZLES WITH NATIONAL STANDARD 7 INCH, 60 DEGREES V. THREADS, CHEMICAL PROCESS LINES SHALL BE SCHEDULE 80 PVC PIPE.
O.D. THREAD 4.875 AND ROOT DIAMETER 4.6263, 1-1/4 INCH PENTAGON OPERATING NUT
OPENED BY TURNING COUNTER CLOCKWISE (LEFT).
8. ALL WATER MAIN 10 INCHES AND SMALLER TO MAINTAIN A MINIMUM COVER OF 36
INCHES BELOW FINISH GRADE. ALL WATER MAIN 12 INCHES AND LARGER SHALL BE AT
A MINIMUM OF 48 INCHES BELOW FINISH GRADE. WHERE UTILITY CONFLICTS OCCUR,
WATER MAINS ARE TO BE LOWERED TO CLEAR.
9. ALL WATER MAINS SIX (6) INCHES IN DIAMETER AND LARGER SHALL BE CLEANED
WITH PIPE CLEANING "PIGS" PRIOR TO DISINFECTION. THE "POLY PIGS" SHALL BE
GIRARD INDUSTRIES AQUA SWAB -AS OR APPROVED EQUAL, 2 LB/CU FT DENSITY FOAM
WITH 90A DUROMETER URETHANE RUBBER COATING ON THE REAR OF "PIG" ONLY.
"PIGS" SHALL BE CYLINDER SHAPED WITH BULLET NOSE OR SQUARE END. THE CITY
WILL ASSIST THE CONTRACTOR WHO WILL PERFORM THE CLEANING OPERATION.
9A. ALL WATER MAINS AND SERVICES SHALL BE PRESSURE TESTED TO A MINIMUM OF
200 PSI OR 150 PSI OVER OPERATING PRESSURE IN ACCORDANCE WITH THE
SPECIFICATIONS OF THE CITY OF RENTON AND THE WASHINGTON STATE HEALTH
DEPARTMENT. ALL PRESSURE TESTING SHALL BE DONE IN THE PRESENCE OF A
REPRESENTATIVE OF THE CITY OF RENTON.
Engineering Planning Surveying
Penhallegon Associates Consulting Engineers, Inc.
750 Sixth Street South Kirkland, WA 98033
PH: (425) 827-2014 1-800-945-8408
Kirkland Seattle
www.paceengrs.com
FAX: (425) 827-5043
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1-800-424-5555
UNDERGROUND SERVICE (USA)
SCANNED APR 2 2 jovT-