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Home My WebLink AboutWWP2703520.6SANITARY SEWER NOTES & SPECIFICATIONS 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 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 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. CONTRACTOR SHALL SECURE ALL NECESSARY PERMITS PRIOR TO STARTING CONSTRUCTION. INSPECTION WILL BE ACCOMPLISHED BY A 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. 7 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 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 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 BACKFLLLED 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 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 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 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 ASTv D 3034, SDR 35, OR DUCTILE IRON CLASS 50. 17 IN UNIMPROVED AREAS, MANHOLE SHALL EXTEND MINIMUM 6-INCH AND MAXIMUM 18-INCH 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 DEVELOPMENT ACTIVITY, 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 PRESERVATION 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, REPLACEMENT AND ADDITIONS 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 MAY BE CREATED BY THEIR ACTIVITIES AND TO PROVIDE ADDITIONAL FACILITIES, OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE 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 TWELVE (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 APPLiCABLF T O THE T'ME GF YEAR. GRASS SEEDING ALONE WILL BE ACCEPTABLE ONLY DURING THE MONTHS OF APR.IL THROUGH SEPTEMBER INCLUSIVE. SEEDING MAY PROCEED, HOWEVER, WHENEVER IT IS IN THE INTEREST OF THE PERMITTEE, BUT MUST BE AUGMENTED 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. J 0010 2 SANITARY SEWER EXTENSION PARK FOR HARDIP GILL PROPERTY NE � S 10) T23N, R5E � 0005 9164 CB PROTECTION As-euiLr A LAJ Z N j Q w W Q 2 O rn O lh NE 4TH ST O NE 7TH PL - SITE VICINITY MAP SCALE: 1 "--0.5 MI W i W&S IN IE=468.08 N OUT IE=468.08 S 352005 `�-IONAZ� 0 20 40 SCALE: 1 "- 20' .68 C. W&S IN IE=468.18 C. N OUT IE=468.18 OWNER: HARDIP GILL 2315 SE 3RD STREET RENTON, WA 98056 206-380-1141 SURVEYOR: TRl-COUNTY LAND SURVEYING COMPANY REID SPEEGLE 4610 - 200TH ST. S.W. SUITE A LYNNWOOD WA 98038 425-776-2926 ENGINEER: HAOZOUS ENGINEERING, P.S. ROBERT DARROW, P.E. 13428 - 45TH COURT W MUKILTEO, WA 98275 425-745-5872 SHEET INDEX SHT NAME 1 COVER SHEET & NOTES 2 SANITARY SEWER PLAN & PROFILE 3 STANDARD Df:TA1LS 4 TOPOGRAPHI G SURVEY CALL 48 HOURS BEFORE YOU DIG 1-800-424-5555 D z D T x �D m rn r m z C z N O