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HomeMy WebLinkAboutS-352005SANITARY SEWER NOTES & SPECIFICATIONS I 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 WSDOTIAPWA 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 DEPARTMENT OF PUBLIC WORKS AT 235 _2620. ALL STREET CLOSURES, PARTIAL OR FULL, SHALL BE APPROVED BY THE DEPARTMENT OF PUBLIC WORKS 24 HOURS IN ADVANCE. THE POLICE DEPARTMENT, FIRE DEPARTMENT, AND 911 SHALL BE NOTIFIED 24 HOURS IN ADVANCE. 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 APPROXIMATEANDIT 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. CONTRACTOR SHALL SECURE ALL NECESSARY PERMITS PRIOR TO STARTING CONSTRUCTION. INSPECTION WILL BEACCOMPLISHED BYA REPRESENTATIVE OF THE CITY OF RENTON. CONTRACTOR SHALL 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. T CONTRACTOR SHALL 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 OVERALL OTHER PLANS. 9 A COPY OF THESE APPROVED PLANSMUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 10 THE CONTRACTOR SHALL PROVIDE THE CITY OF RENTON WITH ANAS_BUILTDRAWINGOF THE SANITARYSEWER SYSTEM WHICH HAS BEEN STAMPED AND SIGNED BYA LICENSED PROFESSIONAL ENGINEER OR LICENSED PROFESSIONAL SURVEYOR. 11 BACKFILL SHALL BE PLACED EQUALLY ON BOTH SIDES OF THE PIPE IN LAYERS WITHA LOOSEAVERAGE DEPTH OF 6INCHES, MAXIMUM DEPTH OF 8INCHES, 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 SAMEAS DESCRIBED. 12 OPEN CUT ROAD CROSSINGS FOR UTILITY TRENCHES ON EXISTING TRAVELED ROADWAY SHALL BEBACKFILLED WITH CRUSHED ROCKAND MECHANICALLY COMPACTED. CUTS INTO THE EXISTING ASPHALT SHALL BE NEATLfNE CUT WITH SAW IN A CONTINUOUS LINE. A TEMPORARY MIX PATCH MUST BE PLACED IMMEDIATELYAFTER BACKFILL AND COMPACTION. APERMANENT HOT MIX PATCH MALL BE PLACED WITHIN TEN DAYS AND SHALL BE PER CITY OF RENTON CURRENT STANDARDS. 13 DATUM SHALL BE CITY OF RENTON, U. S. G. S. 14 ALL DISTURBED AREAS SHALL BE SEEDED AND MULCHED OR OTHERWISE STABILIZED TO THE SATISFACTION OF THE DEPARTMENT OF PUBLIC WORKS FOR THE PREVENTION OF ONSITE EROSION AFTER THE COMPLETION OF CONSTRUCTION. 15 ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERL Y PREPARED FOUNDATION IN ACCORDANCE WITH SECTION 7 02.3(1) OF THE CURRENT STATE OF WASHINGTON STANDARD SPECIFI CATIONS FOR ROAD AND BRIDGE CONSTRUCTION. THISSHALL INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL AS WELL AS PLACEMENT AND COMPACTION OR 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 SHALL EXTEND MINIMUM 6 -INCH AND MAXIMUM 18 4NCH ABOVE FINISHED GRADE. IN PAVED AREAS, COVER SHALL SLOPE IN ALL DIRECTIONS TO MATCH PAVING. EROSION & SEDIMENT CONTROL NOTES 1 PRIOR TO ANY CONSTRUCTION OR DEVELOPMENTACTIVIT T, A PRECONSTRUCTION MEETING SHALL BE HELD WITH THE CITY OF RENTON DEPARTMENT OF PUBLIC WORKS, DESIGN ENGINEER. 2 ALL LIMITS OF CLEARING AND AREAS OF VEGETATION PRESERVA71ON PRESENTED ON THE PLANS SHALL BE CLEARLY FLAGGED IN THE FIELD AND OBSERVED DURING CONSTRUCTION. 3 ALL REQUIRED SEDIMENT /EROSION CONTROL FACILITIES MUST BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING AND /OR OTHER CONSTRUCTION TO INSURE THAT SEDIMENT -LADEN WATER DOES NOT ENTER THE NATURAL DRAINAGE SYSTEM. ALL EROSION AND SEDIMENT FACILITIES SHALL BE MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH TIME THAT CLEARING AND /OR CONSTRUCTION IS COMPLETED AND THE POTENTIAL FOR ONSITE EROSION HAS PASSED, THE IMPLEMENTATION, MAINTENANCE, REPLACEMENTANDADDITIONS TO EROSION /SEDIMENTATION CONTROL SYSTEMS SHALL BE THE RESPONSIBILITY OF THE PERMITTEE. 4 THE EROSION AND SEDIMENTATION CONTROL SYSTEMS DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED SITE CONDITIONS. AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE, THE PERMITTEE SHALL ANTICIPATE THAT MORE EROSION AND SEDIMENTATION CONTROL FACILITIES WILL BE NECESSARY TO ENSURE COMPLETE SILTATION CONTROL ON THE PROPOSED SITE. DURING THE COURSE OF CONSTRUCTION, IT SHALL BE THE OBLIGATION AND RESPONSIBILITY OF THE PERMITTEE TO ADDRESS ANY NEW CONDITIONS THAT MAYBE CREATED BY THEIR ACTIVITIES AND TO PROVIDE ADDITIONAL FACILITIES, OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAYBE NEEDED TO PROTECT ADJACENT PROPERTIES AND WATER QUALITY OF THE RECEIVING DRAINAGE SYSTEM. 5 APPROVAL OF THIS PLAN IS FOR EROSION /SEDIMENTATION CONTROL ONLY. IT DOES NOT CONSTITUTE AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE OR LOCATION OF PIPES, RESTRICTORS, CHANNELS, OR RETENTION FACILITIES. 6 DURING THE TIME PERIOD OF NOVEMBER 1 THROUGH MARCH 31, ALL PROJECT DISTURBED SOIL AREAS GREATER THAN 5,000 SQUARE FEET, THAT ARE TO BE LEFT UNWORKED FOR MORE THAN TWEL VE (12) HOURS, SHALL BE COVERED BY MULCH, SODDING, OR PLASTIC COVERING, 7 ALL DISTURBED AREAS WHICH HAS BEEN STRIPPED OF VEGETATION AND WHERE NO FURTHER WORK IS ANTICIPATED FOR A PERIOD OF 30 DAYS OR MORE MUST BE IMMEDIATELY STABILIZED WITH MULCHING, GRASS PLANTING OR OTHER APPROVED EROSION CONTROL TREATMENT APPLICABLE TO THE TIME OF YEAR. GRASS SEEDING ALONE WILL BE ACCEPTABLE ONLY DURING THE MONTHS OF APRIL THROUGH SEPTEMBER INCLUSIVE. SEEDING MAYPROCEED, HOWEVER, WHENEVER IT IS IN THE INTEREST OF THE PERMITTEE, BUT MUST BEAUGMENTED WITH MULCHING, NETTING, OR OTHER TREATMENT APPROVED BY THE CITY OF RENTON, OUTSIDE THE SPECIFIED TIME PERIOD. 8 FOR ALL EROSION /SEDIMENTATION CONTROL PONDS WHERE THE DEAD STORAGE DEPTH EXCEEDS 6 INCHES SIDE SLOPES SHALL BE NO STEEPER THAN 3:1 AND A MINIMUM OF 3 FEET HIGH FENCE IS REQUIRED ALL AROUND, 9 A TEMPORARY GRAVEL CONSTRUCTION ENTRANCE PER STD DWG BR23 SHALL BE LOCATED AT ALL POINTS OF VEHICULAR INGRESS AND EGRESS TO THE CONSTRUCTION SITE. SANITARY SEWER EXTENSION FOR HARDIP GILL PROPERTY 570, T23N, R5E AS -BUILT SHEET INDEX SHE NAME 1 COVER SHEET & NOTES 2 SANITARY SEWER PLAN & PROFILE 3 STANDARD DETAILS 4 TOPOGRAPHIC SURVEY CALL 48 HOURS BEFORE YOU DIG 1- 800 - 424 -5555 Vic,uvlI r /ViHr SCALE: 1 °_O.5 MI 9164 W 0010 z 0015 0005 W I 3 2 CB " I PROTECTION N SEE DETAIL /C4 Q POD PROPOSED 8" CIA. 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SUITE A 475.23 .475.16 , 47 42 . 4]5.45 4]a.5s I LYNNWOOD WA 98038 1 425 - 776 -2926 ENGINEER: HAOZOUS ENGINEERING, P.S. ROBERT DARROW, RE 13428 — 45TH COURT W MUKILTEO, WA 98275 425 - 745 -5872 AS -BUILT SHEET INDEX SHE NAME 1 COVER SHEET & NOTES 2 SANITARY SEWER PLAN & PROFILE 3 STANDARD DETAILS 4 TOPOGRAPHIC SURVEY CALL 48 HOURS BEFORE YOU DIG 1- 800 - 424 -5555