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Home My WebLink AboutD-374005S N N I J °' O w 0 �0 z w Q O�z cn Z w Q co z 3 z m Lu � O 8!j wow U IZ cL Q D Z O a U a I� O � n � o s a 0 3 ~ [ �z U U w 1�y C c z MATERIAL COMPACTED v ED a 9411 c s c TO 95% OF MAX. c 0 a as a 4' � o A a o r-a z z 0 N af.. -n: U U U U j z MATERIAL COMPACTED �I? z z 0 N af.. -n: U U U U MATERIAL COMPACTED �I? T � TO 95% OF MAX. a w w n a DENSITY $ a a d z ¢O r 0 0 ° K w N w m o�Q VARIES _N 0 w z z a ¢ ¢ w a FILL MATERIAL COMPACTED j p ((77 o`oo 6 0 TO 90% OF MAX. DENSITY FI!g M N ^ Z w FL o 0 N a 000oC CAo( o O I--- y _ _ _) MIN. .. GRAVEL BACKFILL FOR V $Q U m z z 0 N CITY OF RENTON STORMWATER DRAINAGE NOTES 1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRECONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON DEPARTMENT OF PUBUC WORKS, DESIGN ENGINEER. 2. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE '1988 STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION' PREPARED BY WSDOT AND THE AMERICAN PUBUC WORKS ASSOCIATIONS (APWA), AS AMENDED BY THE CITY OF RENTON DEPARTMENT OF PUBUC WORKS. 3. THE STORM DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS WHICH ARE ON FILE IN THE DEPARTMENT OF PUBUC WORKS. ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN APPROVAL FROM THE CITY OF RENTON DEPARTMENT OF PUBLIC WORKS, DESIGN ENGINEER OR STORM WATER UTLTIY. 4. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 5. DATUM SHALL BE U.S.G.S UNLESS OTHERWISE APPROVED BY CITY OF RENTON DEPARTMENT OF PUBUC 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 FOR ON -STIE EROSION HAS PASSED. 7. ALL RETENTION /DEZENIION FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN CONJUNCTION WITH ALL CONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY THE DEPARTMENT OF PUBUC WORKS, STORM WATER UTILITY. B. GRASS SEED MAY BE APPUED 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 PUBUC WORKS, STORM WATER URLTTY. 9. ALL PIPE AND APPURTENANCES SHALL BE WD ON A PROPERLY PREPARE 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 APNA CLASS 'C; W1TH THE EXCEPTION OF PVC PIPE. ALL TRENCH BACKFILL SHALL BE COMPACTED TO MINIMUM 95 PERCENT FOR PAVEMENT AND STRUCTURAL FILL AND 90 PERCENT OTHERWISE PER ASTM 0- 1557 -70. PEA GRAVEL BEDDING SHALL BE 6 INCHES AND OVER AND UNDER PVC PIPE. 10. GALVANIZED STEEL PIPE AND ALUMINIZED STEEL PIPE FOR ALL DRAINAGE FACILITIES SHALL HAVE ASPHALT TREATMENT 11 OR BETTER INSIDE AND OUTSIDE 11. STRUCTURES SHALL NOT BE PERMITTED WITHIN 10 FEET OF THE SPRING UNE 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 AND E)(ISITNG PUBLIC RIGHT -OF -WAY WILL NOT BE ALLOWED UNLESS SPECIFICALLY APPROVED BY CITY OF RENTON DEPARTMENT OF PUBUC WORKS, DESIGN ENGINEER. 14. ROCK FOR EROSION PROTECTION OF ROADSIDE DITCHES, WHERE REQUIRED, SHALL BE OF SOUND QUARRY ROCK PIACED TO A DEPTH OF 1 FOOT AND MUST MEET THE FOLLOWING SPECIFICATIONS: 4 INCHES TO B INCHES /40 PERCENT TO 70 PERCENT PASSING; 2 INCHES TO 4 INCHES ROCK /30 PERCENT TO 40 PERCENT PASSING; AND -2 INCHES RDCK /10 PERCENT TO 20 PERCENT PASSING. 15. ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE CONNECTED TO THE STORM DRAINAGE SYSTEM UNLESS APPROVED BY THE DEPARTMENT OF PUBLIC WORKS, DESIGN ENGINEER OR STORMWATER UTILITY. AN ACCURATELY DIMENSIONED CERTIFIED AS -BUILT DRAWING OF THIS DRAINAGE SYSTEM WILL BE SUBMITTED TO THE CITY OF RENTON UPON COMPLETION. 16. ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMIT BY THE CITY OF RENTON DOES NOT REUEVE THE OWNER OF THE CONTINUING LEGAL OBUGAIION AND /OR LIABILITY CONNECTED WITH STORM SURFACE WATER DISPOSITION. FURTHER, THE CITY OF RENTON DOES NOT ACCEPT ANY OBUGATION 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 UFT, 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 PUBUC WORKS. ALL SECTIONS OF THE WSDOT 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 EROSION CONTROL NOTES 1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE - CONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON DEPARTMENT OF PUBLIC WORKS, DESIGN ENGINEER. 2. ALL LIMITS OF CLEARING AND AREAS OF VEGETATION PRESERVATION AS PRESCRIBED ON THE PLAN SHALL BE CLEARLY FLAGGED IN THE FIELD AND OBSERVED DURING CONSTRUCTION. 3. ALL REQUIRED SEDIMENTATION /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 POTENTIAL FOR ON -STTE EROSION HAS PASSED. THE IMPLEMENTATION, MAINTENANCE, REPLACEMENT AND ADDITIONS TO EROSION /SEDIMENTATION CONTROL SYSTEMS SHALL BE THE RESPONSIBILITY OF THE PERMDTEE. 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 INSURE 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 HIS 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 NOR LOCATION OF PIPES, RESTRICTORS, CHANNELS, OR RETENTION FACILITIES. 6. DURING THE TIME PERIOD OF NOVEMBER 1 THROUGH MARCH 31, ALL PROJECT DISTURBED SOIL AREAS GRATER THAN 5,000 SQUARE FEET THAT ARE TO BE LEFT UNWORKED OF MORE THAN 12 HOURS, SHALL BE COVERED BY MULCH, SODDING, OR PLASTIC COVERING. 7. IN ANY AREA WHICH HAS BEEN STRIPPED OF VEGETATION AND WHERE NO FURTHER WORK IS ANTICIPATED FOR A PERIOD OF 30 DAYS OR MORE, ALL DISTURBED AREAS MUST BE IMMEDIATELY STABILIZED WITH MULCHING, GRASS PLANTING OR OTHER APPROVED EROSION CONTROL TREATMENT APPLICABLE TO THE TIME OF YEAR IN QUESTION. GRASS SEEDING ALONG WILL BE ACCEPTABLE ONLY DURING THE MONTHS OF APRIL 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. CALL 2 WORKING DAYS BEKAE� YOU DKr OI I CONSTRUCTION NOTES AND DETAILS HARPER ENGINEERING ADDITION SW 1/4 SECTION 18, TWP. 23 N., RGE. 5 E., W.M. EXTRUDED CONCRETE CURB DETAIL NOT TO SCALE 2" COMPACTED DEPTH - CLASS 'B' A.C. PAVEMENT 4" COMPACTED DEPTH CRUSHED ROCK BASE COURSE ol pDoo ° ° oo °o o° °8O oo °Q oo db 12" MIN. SUBGRADE COMPACTED TO 95% DRY DENSITY TYPICAL ASPHALT PAVING SECTION NOT TO SCALE COMPACT B" DIA. PERFORATED PVC w/ HOLES DOWN EL. WRAP INFILTRATION TREN, FILTER FABRIC TOP AND ASPHALT PAVEMENT /CFF fFf TInm THIC cu FITT) af.. -n: U U MATERIAL COMPACTED �I? T TO 95% OF MAX. Li;t w w o�CP o DENSITY a a d z ¢O r 0 0 ° w N w m o�Q VARIES _N 0 w z z ¢ ¢ w k FILL MATERIAL COMPACTED j w ° ((77 o`oo 6 0 TO 90% OF MAX. DENSITY FI!g M N ^ Z FL o � CITY OF RENTON STORMWATER DRAINAGE NOTES 1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRECONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON DEPARTMENT OF PUBUC WORKS, DESIGN ENGINEER. 2. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE '1988 STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION' PREPARED BY WSDOT AND THE AMERICAN PUBUC WORKS ASSOCIATIONS (APWA), AS AMENDED BY THE CITY OF RENTON DEPARTMENT OF PUBUC WORKS. 3. THE STORM DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS WHICH ARE ON FILE IN THE DEPARTMENT OF PUBUC WORKS. ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN APPROVAL FROM THE CITY OF RENTON DEPARTMENT OF PUBLIC WORKS, DESIGN ENGINEER OR STORM WATER UTLTIY. 4. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 5. DATUM SHALL BE U.S.G.S UNLESS OTHERWISE APPROVED BY CITY OF RENTON DEPARTMENT OF PUBUC 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 FOR ON -STIE EROSION HAS PASSED. 7. ALL RETENTION /DEZENIION FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN CONJUNCTION WITH ALL CONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY THE DEPARTMENT OF PUBUC WORKS, STORM WATER UTILITY. B. GRASS SEED MAY BE APPUED 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 PUBUC WORKS, STORM WATER URLTTY. 9. ALL PIPE AND APPURTENANCES SHALL BE WD ON A PROPERLY PREPARE 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 APNA CLASS 'C; W1TH THE EXCEPTION OF PVC PIPE. ALL TRENCH BACKFILL SHALL BE COMPACTED TO MINIMUM 95 PERCENT FOR PAVEMENT AND STRUCTURAL FILL AND 90 PERCENT OTHERWISE PER ASTM 0- 1557 -70. PEA GRAVEL BEDDING SHALL BE 6 INCHES AND OVER AND UNDER PVC PIPE. 10. GALVANIZED STEEL PIPE AND ALUMINIZED STEEL PIPE FOR ALL DRAINAGE FACILITIES SHALL HAVE ASPHALT TREATMENT 11 OR BETTER INSIDE AND OUTSIDE 11. STRUCTURES SHALL NOT BE PERMITTED WITHIN 10 FEET OF THE SPRING UNE 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 AND E)(ISITNG PUBLIC RIGHT -OF -WAY WILL NOT BE ALLOWED UNLESS SPECIFICALLY APPROVED BY CITY OF RENTON DEPARTMENT OF PUBUC WORKS, DESIGN ENGINEER. 14. ROCK FOR EROSION PROTECTION OF ROADSIDE DITCHES, WHERE REQUIRED, SHALL BE OF SOUND QUARRY ROCK PIACED TO A DEPTH OF 1 FOOT AND MUST MEET THE FOLLOWING SPECIFICATIONS: 4 INCHES TO B INCHES /40 PERCENT TO 70 PERCENT PASSING; 2 INCHES TO 4 INCHES ROCK /30 PERCENT TO 40 PERCENT PASSING; AND -2 INCHES RDCK /10 PERCENT TO 20 PERCENT PASSING. 15. ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE CONNECTED TO THE STORM DRAINAGE SYSTEM UNLESS APPROVED BY THE DEPARTMENT OF PUBLIC WORKS, DESIGN ENGINEER OR STORMWATER UTILITY. AN ACCURATELY DIMENSIONED CERTIFIED AS -BUILT DRAWING OF THIS DRAINAGE SYSTEM WILL BE SUBMITTED TO THE CITY OF RENTON UPON COMPLETION. 16. ISSUANCE OF THE BUILDING OR CONSTRUCTION PERMIT BY THE CITY OF RENTON DOES NOT REUEVE THE OWNER OF THE CONTINUING LEGAL OBUGAIION AND /OR LIABILITY CONNECTED WITH STORM SURFACE WATER DISPOSITION. FURTHER, THE CITY OF RENTON DOES NOT ACCEPT ANY OBUGATION 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 UFT, 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 PUBUC WORKS. ALL SECTIONS OF THE WSDOT 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 EROSION CONTROL NOTES 1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE - CONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON DEPARTMENT OF PUBLIC WORKS, DESIGN ENGINEER. 2. ALL LIMITS OF CLEARING AND AREAS OF VEGETATION PRESERVATION AS PRESCRIBED ON THE PLAN SHALL BE CLEARLY FLAGGED IN THE FIELD AND OBSERVED DURING CONSTRUCTION. 3. ALL REQUIRED SEDIMENTATION /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 POTENTIAL FOR ON -STTE EROSION HAS PASSED. THE IMPLEMENTATION, MAINTENANCE, REPLACEMENT AND ADDITIONS TO EROSION /SEDIMENTATION CONTROL SYSTEMS SHALL BE THE RESPONSIBILITY OF THE PERMDTEE. 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 INSURE 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 HIS 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 NOR LOCATION OF PIPES, RESTRICTORS, CHANNELS, OR RETENTION FACILITIES. 6. DURING THE TIME PERIOD OF NOVEMBER 1 THROUGH MARCH 31, ALL PROJECT DISTURBED SOIL AREAS GRATER THAN 5,000 SQUARE FEET THAT ARE TO BE LEFT UNWORKED OF MORE THAN 12 HOURS, SHALL BE COVERED BY MULCH, SODDING, OR PLASTIC COVERING. 7. IN ANY AREA WHICH HAS BEEN STRIPPED OF VEGETATION AND WHERE NO FURTHER WORK IS ANTICIPATED FOR A PERIOD OF 30 DAYS OR MORE, ALL DISTURBED AREAS MUST BE IMMEDIATELY STABILIZED WITH MULCHING, GRASS PLANTING OR OTHER APPROVED EROSION CONTROL TREATMENT APPLICABLE TO THE TIME OF YEAR IN QUESTION. GRASS SEEDING ALONG WILL BE ACCEPTABLE ONLY DURING THE MONTHS OF APRIL 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. CALL 2 WORKING DAYS BEKAE� YOU DKr OI I CONSTRUCTION NOTES AND DETAILS HARPER ENGINEERING ADDITION SW 1/4 SECTION 18, TWP. 23 N., RGE. 5 E., W.M. EXTRUDED CONCRETE CURB DETAIL NOT TO SCALE 2" COMPACTED DEPTH - CLASS 'B' A.C. PAVEMENT 4" COMPACTED DEPTH CRUSHED ROCK BASE COURSE ol pDoo ° ° oo °o o° °8O oo °Q oo db 12" MIN. SUBGRADE COMPACTED TO 95% DRY DENSITY TYPICAL ASPHALT PAVING SECTION NOT TO SCALE COMPACT B" DIA. PERFORATED PVC w/ HOLES DOWN EL. WRAP INFILTRATION TREN, FILTER FABRIC TOP AND ASPHALT PAVEMENT /CFF fFf TInm THIC cu FITT) DOWNSPOUT DRAIN INFILTRATION TRENCH SECTION NOT TO SCALE '2" WASHED GRAVEL FINISH GRADE SEAL JOINT PATCH SURFACING TO MEET AND MATCH EXISTING. MINIMUM SECTION TO BE `g V'T 3" A.C. PAVY CL. 8 OVER IE OF 4" CRUSHED ROCK BASE TRENCH EDGES af.. -n: STRUCTURAL FILL )T� MATERIAL COMPACTED �I? T TO 95% OF MAX. Li;t o�C� o�CP o DENSITY O O O O O O d z ¢O r O T Ise o�Q VARIES Tie s E(II w z z SUBGRADE OR STRUCTURAL > a w k FILL MATERIAL COMPACTED j w ° ((77 o`oo 6 0 TO 90% OF MAX. DENSITY FI!g A--_ OOO JOOO __- FL o � 000oC CAo( o I--- y _ _ _) MIN. .. GRAVEL BACKFILL FOR PIPE BEDDING COMPACTED DOWNSPOUT DRAIN INFILTRATION TRENCH SECTION NOT TO SCALE '2" WASHED GRAVEL FINISH GRADE SEAL JOINT PATCH SURFACING TO MEET AND MATCH EXISTING. MINIMUM SECTION TO BE `g V'T 3" A.C. PAVY CL. 8 OVER IE OF 4" CRUSHED ROCK BASE TRENCH EDGES NOTES: 1. PROVIDE 4" SAND BLANKET BEDDING FOR RIGID PIPE 2. ALL TESTING OF BACKFILL AND COMPACTION SHALL BE IN CONFORMANCE WITH ASTM D -1557 PIPE BEDDING DETAIL NOT TO SCALE FECOMMeOM FOR APPROVAL BY BY BY Date Date L 12' DR V HEGHT TWO 03 BAR HOOPS FOR 12' HEIGHT RECTANGULAR ADJUSTMENT SECTION 0.i MR EACH CORN 0 BAR BACH S 1 i NOTES 1. mvmana'bmebbleW,. whe mfY, MVMa 1012 apuse iMw parka mry Ee weC. wVe mean wn,bs m pW.a! i, c.eun. 2. mwwaanamewaw na ee ae+a men le. 14btl:cub aW Nn a wY mKMnef a2• miNnun b 2.T mWnun. 3. mnuvnun Eepm nwn iM fi,iYeE9Mebms P% w Napro V. /. F,eme eM q,aY nay ne mfebE wim 6vge6 aml nm aquv tsalia. s. mo,eonmeopmMs reae,a,nmaep , tlro wYb mry b stgvl & e rb W 1:2/ a eYepr. B. apa:,p NUO ee nbeuupemne sopame PreN bcee :asnaL D- 314005 DEVELOPER, HARPER ENGINEERING 700 SW 7TH STREET RENTON, WA 98057 ENGINEER: BARGHAUSEN CONSULTING ENGINEERS 18215 72ND AVENUE SOUTH KENT, WA 98032 (425)251 -6222 (425)251 -8782 FAX CONTACT: DAN BALMELLI SPIV HA('��Z 00 U Z ? LP Py G`rJhG ENG \N�4 NST J. p i CSaT�`�'a�e e / /v /LTeP° 2 a /JONdL dN4 Lvss ue L Lam CATCH AININ TIP! 1P PAMUNO LOT C. B. PRECAST BASE SECTION BTAFBANO PLAN 67b as 1a1a� rs/m,mrrn r„euea,a, S JNIa j Pabr/go STANDARDDE PLANS LAST DATE: 06/23/2004 SP PAGE B013 CITY OF RENTON TJEPARTMENT OF PUBLIC WORKS CONSTRUCTION NOTES AND DETAILS C6 GP 6 `a x` w ° a a U II d N Ln C 0 E v Z m Q w m > � T^ m a z n z �.,..I m V 00 .E I z N o - P c "o w z n X m ep z O 0 STRUCTURAL FILL )T� MATERIAL COMPACTED �I? T TO 95% OF MAX. Li;t o�C� o�CP o DENSITY O O O O O O d z ¢O r O Ise o�Q VARIES Tie s E(II w z z SUBGRADE OR STRUCTURAL > a w FILL MATERIAL COMPACTED j w ° ((77 o`oo 6 0 TO 90% OF MAX. DENSITY FI!g Iwi1a OOO JOOO FL o 000oC CAo( o MIN. .. GRAVEL BACKFILL FOR PIPE BEDDING COMPACTED o ' TO 95% OF MAX. DENSITY PIPING NOTES: 1. PROVIDE 4" SAND BLANKET BEDDING FOR RIGID PIPE 2. ALL TESTING OF BACKFILL AND COMPACTION SHALL BE IN CONFORMANCE WITH ASTM D -1557 PIPE BEDDING DETAIL NOT TO SCALE FECOMMeOM FOR APPROVAL BY BY BY Date Date L 12' DR V HEGHT TWO 03 BAR HOOPS FOR 12' HEIGHT RECTANGULAR ADJUSTMENT SECTION 0.i MR EACH CORN 0 BAR BACH S 1 i NOTES 1. mvmana'bmebbleW,. whe mfY, MVMa 1012 apuse iMw parka mry Ee weC. wVe mean wn,bs m pW.a! i, c.eun. 2. mwwaanamewaw na ee ae+a men le. 14btl:cub aW Nn a wY mKMnef a2• miNnun b 2.T mWnun. 3. mnuvnun Eepm nwn iM fi,iYeE9Mebms P% w Napro V. /. F,eme eM q,aY nay ne mfebE wim 6vge6 aml nm aquv tsalia. s. mo,eonmeopmMs reae,a,nmaep , tlro wYb mry b stgvl & e rb W 1:2/ a eYepr. B. apa:,p NUO ee nbeuupemne sopame PreN bcee :asnaL D- 314005 DEVELOPER, HARPER ENGINEERING 700 SW 7TH STREET RENTON, WA 98057 ENGINEER: BARGHAUSEN CONSULTING ENGINEERS 18215 72ND AVENUE SOUTH KENT, WA 98032 (425)251 -6222 (425)251 -8782 FAX CONTACT: DAN BALMELLI SPIV HA('��Z 00 U Z ? LP Py G`rJhG ENG \N�4 NST J. p i CSaT�`�'a�e e / /v /LTeP° 2 a /JONdL dN4 Lvss ue L Lam CATCH AININ TIP! 1P PAMUNO LOT C. B. PRECAST BASE SECTION BTAFBANO PLAN 67b as 1a1a� rs/m,mrrn r„euea,a, S JNIa j Pabr/go STANDARDDE PLANS LAST DATE: 06/23/2004 SP PAGE B013 CITY OF RENTON TJEPARTMENT OF PUBLIC WORKS CONSTRUCTION NOTES AND DETAILS C6 GP 6 `a x` w ° a a U II d N Ln C 0 E v Z m Q w m > � T^ m a z n z �.,..I m V 00 .E I z N o - P c "o w z n X m ep z O 0