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HomeMy WebLinkAboutS-292501H f ti VJ I a �a V I z N OUP O ' vI o � a F n Li O Q Z J Q d ~ � W Q U W z S � LJJ W d ti (1 a� v o Q z- U, c U J E c � ry O a�i Y� �N � �ws Z6 111111 CITY OF RENTON SANITARY SEVER NOTES AND SPECIFICATIONS 1. ALL WORK MATERIALS SHALL BE IN CONFORMANCE WITH THE STANDARDS AND SPECIFICATIONS OF THE CITY OF RENTON AND LATEST EDITION OF THE WSDOT /APWA STANDARDS AND SPECIFICATIONS. 2. THE HOURS OF WORK IN THE STREET RIGHT OF WAY SHALL E LIMITED TO 8:30 AM TO 3:30 PM ON WEEKDAYS UNLESS OTHERI APPROVED IN WRITING BY THE TRANSPORTATION DIVISION AT 27: 6222. ALL STREET CLOSURES, PARTIAL OR FULL, SHALL BE APPROVED B1' THE TRANSPORTATION DIVISION 24 HOURS IN ADV THE POLICE DEPARTMENT. FIRE DEPARTMENT AND 911 SHALL BE NOTIFIED 24 HOURS IN ADVANCE. 3, ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH "STANDA SPECIFICATIONS FOR MUNICIPAL PUBLIC WORKS CONSTRUCTION" PREPARED BY WASHINGTON STATE CHAPTER AMERICAN PUBLIC N ASSOCIATION, LATEST EDITION (APWA) AND THE CITY OF RENTON STANDARD SPECIFICATIONS. 4. ALL LOCATIONS OF EXISTING UTILITIES SHOWN ARE APPROXIMF AND IT SHALL BE THE CONTRACTORS RESPONSIBILITY TO VERIFY 5, A PRE - CONSTRUCTION CONFERENCE AND A 24 HOUR NOTICE SHALL ACCOMPLISHED BY A REPRESENTATIVE OF THE CITY OF RENTON). IT SHALL BE THE CONTRACTORS RESPONSIBILITY TO NOTIFY THE CITY INSPECTOR 24 HOURS IN ADVANCE OF BACKEILLING ALL CONSTRUCTION. 6. CONTRACTOR IS SOLELY RESPONSIBLE FOR THEM MEANS, METHODS AND SEQUENCES OF CONSTRUCTION AND FOR THE SAFETY OF WORKERS AND OTHERS ON THE CONSTRUCTION SITE. 7. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO OBTAIN STREET USE AND ANY OTHER RELATED PERMITS PRIOR TO ANY CONSTRUCTION. 8. PLANS APPROVED BY THE CITY OF RENTON, DEVELOPMENT SERVICES DIVISION, SHALL TAKE PRECEDENCE OVER ALL OTHER PLANS, 9. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 10. THE CONTRACTOR SHALL PROVIDE THE CITY OF RENTON WITH AN AS -BUILT DRAWING OF THE SANITARY SEWER SYSTEM WHICH HAS BEEN STAMPED AND SIGNED BY A LICENSED PROFESSIONAL ENGINEER OR LICENSED PROFESSIONAL SURVEYOR. 11. BACKFlLL SHALL BE PLACED EQUALLY ON BOTH SIDES OF THE PIPE IN LAYERS WITH A LOOSE AVERAGE DEPTH OF 6 INCHES, MAXIMUM DEPTH OF 8 INCHES, THOROUGHLY TAMPING EACH LAYER TO 95% OF MAXIMUM DENSITY. THESE .COMPACTED LAYERS MUST EXTEND FOR ONE PIPE DIAMETER ON EACH SIDE OF THE PIPE OR TO THE SIDE OF THE TRENCH. MATERIALS TO COMPLETE THE FILL OVER PIPE SHALL BE THE SAME AS DESCRIBED. 12. OPEN CUT ROAD CROSSINGS FOR UTILITY TRENCHES ON EXISTING TRAVELED ROADWAY SHALL BE BACKFILLED WITH CRUSHED ROCK AND MECHANICALLY COMPACTED. CUTS INTO THE EXISTING ASPHALT SHALL BE NEATLINE CUT WITH SAW IN A CONTINUOUS LINE. A TEMPORARY MIX PATCH MUST BE PLACED IMMEDIATELY AFTER BACKFlLL AND COMPACTION. A PERMANENT HOT MIX PATCH SHALL BE PLACED WITHIN 1G DAYS AND SHALL BE PER CITY OF RENTON CURRENT STANDARDS. 13. DATUM SHALL BE CITY OF RENTON U.S.C. AND G.S. 14, ALL DISTURBED AREAS SHALL BE SEEDED AND MULCHED OR OTHERWISE STABILIZED TO THE SATISFACTION OF THE DEPARTMENT FOR THE PREVENTION OF ONSITE EROSION AFTER THE COMPLETION OF CONSTRUCTION. 15. ALL PIPE AND APPURTENANCES SHALL. BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH SECTION 7- 02.3(1) OF THE CURRENT STATE OF WASHINGTON STANDARD SPECIFICATIONS FOR ROAD AND BRIDGE CONSTRUCTION, THIS SHALL INCLUDE NECESSARY STATE OF WASHINGTON STANDARD SPECIFICATIONS FOR ROAD AND BRIDGE CONSTRUCTION. THIS SHALL INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL AS WELL AS PLACEMENT AND COMPACTION OF REQUIRED BEDDING MATERIAL TO UNIFORM GARDE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON A UNIFORMLY DENSE UNYIELDING BASE. PIPE BEDDING SHALL BE PEA GRAVEL 6" ABOVE AND BELOW THE PIPE. 16. SANITARY SEWER PIPE SHALL BE POLYVINYL CHLORIDE (PVC) RUBBER GASKETED ASTM 3034, SDR 35, OR DUCTILE IRON CLASS 50. 17. IN UNIMPROVED AREAS, MANHOLE TO EXTEND MINIMUM 6 INCHES AND MAXIMUM 18 INCH ABOVE FINISHED GRADE'. IN PAVED AREA, COVER MUST SLOPE IN ALL DIRECTIONS TO MATCH PAVING. LEGEND FIR TREE MAPLE TREE CEDAR TREE "'COTTONWOOD TPEE ��\��\��`��`'''' ':��, ALDER TREE HOLLY TREE �Y "'PLE TREE la-1 AP ,_DECIDL'OUS TREE ® WATER METER FIRE HYDRANT POWER POLE ©SIGNAL POLE V SEWER MANHOLE a CATCH BASIN S- ?9750/ 1+00 ` RECOMMENDED 0 - FOR APPROVAL j I i I f . 74 FR (I' 3�fl I` 14 11332 `�ti By r f 7 -23 a/ SIONAL BY ,_, % O O AVOID CUTTING UNDERGROUND UTILITY LINES. IT'S COSTLY EXPIRES 11/30/02 Calf UNDERCROUND SERVICE (USA) NOTE: before. you 7 EXISTING UTILITY LOCATIONS SHOWN HEREON ARE APPROXIMATE_' ONt. f. IT SHALL BE THE CONTRACTOR'S',RESPONSIBILJTY '1'0 DETERMINE THE fi. L/ j Dg EXACT VERTICAL AND HORIZONTAL LOCATION OF ALL EXI "PING UNDER- TO COMMENCING CONSTRUCTION 40 (,ROUND UTILITIES PRIOR REPRESENTATION IS MADE THAT ALL EXISTING UTILITIES ARE SHOWN C C 1- 800 - 424 -5555 HEREON. THE ENGINEER ASSUMES NO RESPONSIBILITY FOR UTIUTIES NOT SHOWN LORBEFOREEYCIU T SHOWN IN THEIR PROPER LOCATION_ SCANNED FES 15 2002 1-