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Home My WebLink AboutS-3352030 0 0 N O yy m � S 0 I O Z Q O � O J Z Q (n J Q f1 � � Z Of O O = Z !n W (i ry L'I Z Z w 07 a 0 oz 3 z n E- W a' U� r� s� one 0 V) w K SEWER GENERAL NOTES 1. ALL 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. 2. THE HOURS OF WORK IN THE STREET RIGHT OF WAY SHALL BE LIMITED TO 8:30 A.M. TO 3:30 P.M. ON WEEKDAYS UNLESS OTHERWISE APPROVED IN WRITING BY THE PLANNING /BUILDING /PUBLIC WORKS DEPARTMENT AT 235 -2620. ALL STREET CLOSURES, PARTIAL OR FULL, SHALL BE APPROVED BY THE PLANNING /BUILDING /PUBLIC WORKS DEPARTMENT 72 HOURS IN ADVANCE. THE POLICE DEPARTMENT, FIRE DEPARTMENT, AND 911 SHALL BE NOTIFIED 24 HOURS IN ADVANCE OF ANY WORK IN THE RIGHT OF WAY. 3. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH "STANDARD SPECIFICATIONS FOR MUNICIPAL PUBLIC WORKS CONSTRUCTION" PREPARED BY WASHINGTON STATE CHAPTER AMERICAN PUBLIC WORKS ASSOCIATION, LATEST EDITION (APWA) AND CITY OF RENTON STANDARD SPECIFICATIONS. 4, 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. 5. A PRECONSTRUCTION CONFERENCE AND A 24 HOUR NOTICE SHALL BE REQUIRED PRIOR TO STARTING NEW CONSTRUCTION. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO SECURE ALL NECESSARY PERMITS PRIOR TO STARTING CONSTRUCTION. (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. 6. CONTRACTOR IS SOLELY RESPONSIBLE FOR THE 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, PUBLIC WORKS DEPARTMENT, 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. BACKFILL 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 PERCENT 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 BACKFILLEO 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 BACKFILL AND COMPACTION. A PERMANENT HOT MIX PATCH SHALL BE PLACED WITHIN 10 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 ON -SITE 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 LEVELING OF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL AS WELL AS PLACEMENT AND COMPACTION OF REQUIRED BEDDING MATERIAL TO UNIFORM GRADE 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 D 3034, SDR 35, OR DUCTILE IRON CLASS 50. 17. IN UNIMPROVED AREAS, MANHOLE TO EXTEND MINIMUM 6 INCH AND MAXIMUM 18 INCH ABOVE FINISHED GRADE. IN PAVED AREA, COVER MUST SLOPE IN ALL DIRECTIONS TO MATCH PAVING. ROLL 2,06 FR STORM DRAINAGE GENERAL NOTES 1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE - CONSTRUCTION MEETING MUST BE HELD WITH THE. CITY OF RENTON PLAN REVIEWER. 2. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE "1994 STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION" PREPARED BY W.S.D.O.T., AND THE AMERICAN PUBLIC WORKS ASSOCIATION (APWA), AS AMENDED BY THE CITY OF RENTON DEPARTMENT OF PUBLIC WORKS. 3. THE SURFACE WATER DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS WHICH ARE ON FILE IN THE DEPARTMENT OF PUBLIC WORKS. ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN APPROVAL FROM THE CITY OF RENTON DEPARTMENT OF PUBLIC WORKS OR SURFACE WATER UTILITY. 4. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 5. DATUM SHALL BE NAVD 88. UNLESS OTHERWISE APPROVED BY CITY OF RENTON DEPARTMENT OF PUBLIC WORKS. REFERENCE BENCHMARK AND ELEVATION ARE NOTED ON THE PLANS. 6. ALL SEDIMENTATION /EROSION FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING AND BUILDING CONSTRUCTION, AND THEY MUST BE SATISFACTORILY MAINTAINED UNTIL CONSTRUCTION IS COMPLETED AND THE POTENTIAL FQR• ON -SITE EROSION HAS PASSED. 7. ALL RETENTION/ DETENTION FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN CONJUNCTION WITH ALL CONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY THE DEPARTMENT OF PUBLIC WORKS, SURFACE WATER UTILITY. 8. GRASS SEED MAY BE.APPLIED BY HYDROSEEDING. THE GRASS SEED MIXTURE, OTHER THAN CITY OF RENTON APPROVED. STANDARD MIXES, SHALL BE SUBMITTED BY A LANDSCAPE ARCHITECT AND APPROVED BY THE DEPARTMENT OF PUBLIC WORKS, SURFACE WATER UTILITY. 9. 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 SPECIFICATION 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 GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON A UNIFORMLY DENSE UNYIELDING BASE. ALL PIPE BEDDING SHALL BE APWA CLASS "C WITH THE EXCEPTION OF PVC PIPE. ALL TRENCH BACKFILL SHALL BE COMPACTED TO MINIMUM 95% FOR PAVEMENT AND STRUCTURAL FILL AND 907 OTHERWISE PER ASTM D- 1557 -70. PEA GRAVEL BEDDING SHALL BE 6" OVER AND UNDER P.V.C. PIPE. 10. GALVANIZED STEEL PIPE- AND ALUMINIZED STEEL PIPE FOR ALL DRAINAGE FACILITIES SHALL HAVE ASPHALT TREATMENT #1 :•OR BETTER INSIDE AND OUTSIDE. 11. STRUCTURES SHALL NOT-BE PERMITTED WITHIN 10 FEET OF THE SPRING LINE OF ANY STORM DRAINAGE PIPE, OR 15 FEET FROM THE TOP OF ANY CHANNEL BANK. 12. ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 FEET BELOW PAVEMENT LEVEL. 13. OPEN CUT ROAD CROSSINGS THROUGH EXISTING PUBLIC RIGHT OF WAY WILL NOT BE ALLOWED UNLESS SPECIFICALLY APPROVED BY THE CITY OF RENTON ADMINISTRATOR, DEPARTMENT OF PLANNING /BUILDING /PUBLIC WORKS. 14. ROCK FOR EROSION � PROTECTION OF ROADSIDE DITCHES, WHERE REQUIRED, SHALL BE OF SOUND QUARRY ROCK PLACED-TO A DEPTH OF 1 FOOT AND MUST MEET THE FOLLOWING SPECIFICATIONS: 4 " -8 "/407 -707- PASSING; 2 " -4" ROCK /307 -407 PASSING; AND -2" ROCK /107 -207 PASSING. 15. ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE CONNECTED TO THE STORM DRAINAGE SYSTEM; UNLESS APPROVED BY THE DEPARTMENT OF DEVELOPMENT SERVICES, PLAN REVIEWER OR SURFACE WATER UTILITY. AN ACCURATELY DIMENSIONED CERTIFIED AS -BUILT DRAWING OF THIS DRAINAGE SYSTEM WIEL.BE SUBMITTED TO THE CITY OF RENTON UPON COMPLETION. 16. ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMIT BY THE CITY OF RENTON DOES NOT RELIEVE THE OWNER OF THE C61NNNUING LEGAL OBLIGATION AND /OR LIABILITY CONNECTED WITH STORM SURFACE WATER DfSPosn1ON. FURTHER, THE CITY OF RENTON DOES NOT ACCEPT ANY OBLIGATION FOR THE PROPER FUNCTIONING AND MAINTENANCE OF THE SYSTEM PROVIDED DURING CONSTRUCTION. 17. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD, SAFETY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS, AND ANY OTHER NEEDED ACTIONS TO PROTECT THE LIFT, HEALTH, AND SAFETY OF `THE PUBLIC. AND TO PROTECT PROPERTY IN CONNECTION WITH THE PERFORMANCE OF WORK COVERED BY.THE CONTRACT. ANY WORK WITHIN THE TRAVELED RIGHT OF WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE AN APPROVED TRAFFIC CONTROL PLAN BY THE TRAFFIC ENGINEERING DIVISION OF THE DEPARTMENT OF PUBLIC WORKS. ALL SECTIONS OF THE W.S.D.O.T. STANDARD SPECIFICATIONS 1- 07 -23, TRAFFIC CONTROL, SHALL APPLY. 18. SPECIAL DRAINAGE MEASURES WILL BE REQUIRED IF THE PROJECT LOCATION IS WITHIN THE AQUIFER PROTECTION AREA (APA). RECOMMENIRED FOR APPROVAL By; Dote: 12--lb-06 By Dote: By; Date: By; Dote: 0 GD:12- iiSZUS cz�,argy�A 5• i55Z G5 CSsa�i .., 0 N �•�• � t N S �pf U ° w U V z 3' Q w 1p w4� i > Or ° • ° m ° w z w 0 a ce O ce Lu Z Z W m DATE JOB NO. DWG NO V z H a � W O z z z W W IL W IL � O J W W J � Q W W J Q U7 Z z w Z 0 U w w U N 09/30/2006 7 OF 7 '.;a 2-L M7