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Home My WebLink AboutR-40280700 N O F O F W z O Q O z W rr cn 0 J W_ U_ a J n J O O U cn W J 0 0 z CU G 0 LO N W zz w EROSION CONTROL NOTES: 1. THESE NOTES SHALL APPEAR FOR ALL PROJECTS - SITE IMPROVEMENTS, SURFACE WATER UTILITY, WASTEWATER UTILITY, WATER UTILITY, AND TRANSPORTATION PLANS: 2. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON, PUBLIC WORKS DESIGN ENGINEER. 3. THE BOUNDARIES OF THE CLEARING LIMITS AND AREAS OF VEGETATION PRESERVATION AS PRESCRIBED ON THE PLAN(S) SHALL BE CLEARLY FLAGGED BY SURVEY TAPE OR FENCING IN THE FIELD PRIOR TO CONSTRUCTION IN ACCORDANCE WITH APPENDIX D OF THE SURFACE WATER DESIGN MANUAL AND OBSERVED DURING CONSTRUCTION. DURING THE CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND THE CLEARING LIMITS SHALL BE PERMITTED. THE CLEARING LIMITS SHALL BE MAINTAINED BY THE APPLICANT/ESC SUPERVISOR FOR THE DURATION OF CONSTRUCTION. 4. STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT. ADDITIONAL MEASURES, SUCH AS CONSTRUCTED WHEEL WASH SYSTEMS OR WASH PADS, MAY BE REQUIRED TO ENSURE THAT ALL PAVED AREAS ARE KEPT CLEAN AND TRACK OUT TO ROAD RIGHT OF WAY DOES NOT OCCUR FOR THE DURATION OF THE PROJECT. 5. ALL REQUIRED SEDIMENTATION/EROSION CONTROL FACILITIES MUST BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING AND/OR CONSTRUCTION TO PREVENT TRANSPORTATION OF SEDIMENT TO SURFACE WATER, DRAINAGE SYSTEMS AND ADJACENT PROPERTIES. ALL EROSION AND SEDIMENT FACILITIES SHALL BE MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH TIME THAT CLEARING AND/OR CONSTRUCTION IS COMPLETE AND POTENTIAL FOR ON -SITE EROSION HAS PASSED. THE IMPLEMENTATION, MAINTENANCE, REPLACEMENT AND ADDITIONS TO EROSION/SEDIMENTATION CONTROL SYSTEMS SHALL BE THE RESPONSIBILITY OF THE PERMITEE. 6. 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 PERMITEE SHALL ANTICIPATE THAT MORE EROSION AND SEDIMENTATION CONTROL FACILITIES WILL BE NECESSARY TO ENSURE COMPLETE SILTATION CONTROL ON THE INSPECTION SCHEDULE: PROPOSED SITE. DURING THE COURSE OF CONSTRUCTION, IT SHALL BE THE OBLIGATION AND RESPONSIBILITY OF THE PERMITEE TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY THE 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. 7. 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. 8. ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT BE DISTURBED FOR TWO DAYS DURING THE WET SEASON (OCTOBER 1ST THROUGH MARCH 30TH) OR SEVEN DAYS DURING THE DRY SEASON (APRIL 1ST THROUGH SEPTEMBER 30) SHALL BE IMMEDIATELY STABILIZED WITH THE APPROVED ESC COVER METHODS (E.G., SEEDING, MULCHING, PLASTIC COVERING, ETC.). 9. WET SEASON SEASONAL EROSION AND SEDIMENT CONTROL REQUIREMENTS APPLY TO ALL CONSTRUCTION SITES CLEARING BETWEEN OCTOBER 1 AND MARCH 30 INCLUSIVE, UNLESS OTHERWISE APPROVED BY THE CITY THROUGH AN ADJUSTMENT PROCESS. 10. COVER MEASURES WILL BE APPLIED IN CONFORMANCE WITH APPENDIX D OF THE SURFACE WATER DESIGN MANUAL. 11. ANY AREA NEEDING ESC MEASURES, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE ADDRESSED WITHIN SEVEN (7) DAYS DURING NON WET SEASON. 12. THE ESC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A MINIMUM OF ONCE A MONTH OR WITHIN 24 HOURS FOLLOWING A STORM EVENT. 13. AT NO TIME SHALL MORE THAN ONE (1) FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE WITHIN A CATCH BASIN. ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALL NOT FLUSH SEDIMENT- LADEN WATER INTO THE DOWNSTREAM SYSTEM. 1. ALL ESC MEASURES SHALL BE MAINTAINED AND REVIEWED ON A REGULAR BASIS. 2. THE ESC SUPERVISOR SHALL REVIEW THE SITE AT LEAST WEEKLY AND WITHIN 24 HOURS OF SIGNIFICANT STORMS. A SIGNIFICANT STORM IS ONE WITH MORE THAN 0.5 INCHES OF RAIN IN 24 HOURS OR LESS. 3. THE CITY MAY REQUIRE THAT A WRITTEN RECORD OF THESE REVIEWS BE KEPT ON SITE WITH COPIES SUBMITTED TO THE CITY WITHIN 48 HOURS. HYDROSEEDING NOTES: 1. HYDROSEEDING SHALL BE APPLIED TO ALL AREAS DISTURBED BY CONSTRUCTION ACTIVITIES UNLESS OTHERWISE NOTED. 2. HYDROSEEDING TO BE AS SPECIFIED IN LANDSCAPE SPECIFICATIONS. 3. APPLICATION TO BE 100 LBS/ACRE. 4. 500 LBS/ACRE 10-20-20 FERTILIZER, 2000 LBS/ACRE MULCH AND 40 LBS/ACRE SOIL STABILIZER TO BE APPLIED WITH SEED MIXTURE. 5. SEED BEDS PLANTED BETWEEN MAY 1 AND OCTOBER 31 WILL REQUIRE IRRIGATION AND OTHER MAINTENANCE AS NECESSARY TO FOSTER AND PROTECT THE ROOT STRUCTURE. CONTRACTOR SHALL ENSURE PROPER ROOT GROWTH REGARDLESS OF PLANTING SCHEDULE. 6. FOR SEED BEDS PLANTED BETWEEN OCTOBER 31 AND APRIL 30, ARMORING OF THE SEED WILL BE NECESSARY. (EG, GEOTEXTILES, JUTE MAT, CLEAR PLASTIC COVERING.) 7. BEFORE SEEDING, INSTALL NEEDED SURFACE RUNOFF CONTROL MEASURES SUCH AS GRADIENT TERRACES, INTERCEPTOR DIKES, SWALES, LEVEL SPREADERS AND SEDIMENT BASINS. 8. THE SEEDBED SHALL BE FIRM WITH A FAIRLY FINE SURFACE, FOLLOWING SURFACE ROUGHENING. PERFORM ALL OPERATIONS ACROSS OR AT RIGHT ANGLES TO THE SLOPE. 9. FERTILIZERS ARE TO BE USED ACCORDING TO SUPPLIERS RECOMMENDATIONS. AMOUNTS USED SHOULD BE MINIMIZED, ESPECIALLY ADJACENT TO WATER BODIES AND WETLANDS. 10. SEE SPECIFICATIONS FOR HYDROSEED MIXTURES. MULCHING NOTES: 14. ANY PERMANENT RETENTION/DETENTION FACILITY USED AS A TEMPORARY SETTLING BASIN SHALL BE MODIFIED WITH THE NECESSARY EROSION CONTROL MEASURES AND SHALL PROVIDE ADEQUATE STORAGE CAPACITY. 15. PRIOR TO THE BEGINNING OF THE WET SEASON (OCT. 1), ALL DISTURBED AREAS SHALL BE REVIEWED TO IDENTIFY WHICH ONES CAN BE SEEDED IN PREPARATION FOR THE WINTER RAINS. DISTURBED AREAS SHALL BE SEEDED WITHIN ONE WEEK OF THE BEGINNING OF THE WET SEASON. A SKETCH MAP OF THOSE AREAS TO BE SEEDED AND THOSE AREAS TO REMAIN UNCOVERED SHALL BE SUBMITTED TO THE CITY OF RENTON FOR REVIEW. 16. ALL TESC MEASURES MUST BE REMOVED AFTER CONSTRUCTION AND SITE IS STABILIZED. 17. DISTURBED AREAS UNWORKED FOR 7 CONSECUTIVE WORKING DAYS SHALL BE STABILIZED WITH COVER MEASURES EXCEPT DURING THE WET SEASON. DURING THE WET SEASON DISTURBED AREAS UNWORKED FOR TWO CONSECUTIVE WORKING DAYS SHALL BE STABILIZED WITH COVER MEASURES. 18. STOCKPILES AND STEEP CUT AND FILL SLOPES SHALL BE PROTECTED IF UNWORKED FOR MORE THAN 12 HOURS. 19. COVER MATERIALS SUFFICIENT TO COVER ALL DISTURBED AREAS SHALL BE STOCKPILED ON SITE. 20. ALL AREAS THAT ARE TO BE UNWORKED DURING THE WET SEASON SHALL BE SEEDED WITHIN ONE WEEK OF THE BEGINNING OF THE WET SEASON. 21. MULCH IS REQUIRED TO PROTECT ALL SEEDED AREAS. 22. FIFTY LINEAR FEET OF SILT FENCE (AND THE NECESSARY STAKES) PER ACRE OF DISTURBANCE SHALL BE STOCKPILED ON SITE. 23. CONSTRUCTION ROAD AND PARKING LOT STABILIZATION ARE REQUIRED FOR ALL SITES UNLESS THE SITE IS UNDERLAIN BY COARSE -GRAINED SOIL. 24. ANY RUNOFF GENERATED BY DEWATERING SHALL BE REQUIRED TO DISCHARGE TO THE SANITARY SEWER (WITH APPROPRIATE DISCHARGE AUTHORIZATION), PORTABLE SAND FILTER SYSTEMS, OR HOLDING TANKS. 1. MULCH MATERIALS USED SHALL BE HAY OR STRAW, AND SHALL BE APPLIED AT THE RATE OF 2 TONS/ACRE. 2. MULCHES SHALL BE APPLIED IN ALL AREAS WITH EXPOSED SLOPES GREATER THAN 2:1. 3. MULCHING SHALL BE USED IMMEDIATELY AFTER SEEDING OR IN AREAS WHICH CANNOT BE SEEDED BECAUSE OF THE SEASON. 4. ALL AREAS NEEDING MULCH SHALL BE COVERED BY NOVEMBER 1. SOIL NOTES: A. PROTECT THE SOIL MOISTURE HANDLING CAPACITY OF ALL NEW PERVIOUS SURFACING THAT, AT PROJECT COMPLETION, WILL NOT BE COVERED BY IMPERVIOUS SURFACING OR INCORPORATED INTO A DRAINAGE FACILITY. THE DUFF LAYER AND NATIVE TOPSOIL SHALL BE RETAINED IN AN UNDISTURBED STATE TO THE MAXIMUM EXTENT FEASIBLE. B. ANY DUFF LAYER OR TOPSOIL REMOVED DURING GRADING SHALL BE STOCKPILED ONSITE IN A DESIGNATED, CONTROLLED AREA NOT ADJACENT TO PUBLIC RESOURCES AND CRITICAL AREAS. THE MATERIAL SHALL BE REAPPLIED TO OTHER PORTIONS OF THE SITE WHERE FEASIBLE. C. AMEND THE SOIL TO MITIGATE FOR LOSS OF MOISTURE HOLDING CAPACITY IN ANY AREA THAT HAS BEEN COMPACTED OR THAT HAS HAD SOME OR ALL OF THE DUFF LAYER OR UNDERLYING TOPSOIL REMOVED. THE AMENDMENT SHALL TAKE PLACE BETWEEN MAY 1 AND OCTOBER 1. REPLACED TOPSOIL SHALL BE A MINIMUM OF 8 INCHES THICK. REPLACED TOPSOIL SHALL HAVE AN ORGANIC MATTER CONTENT BETWEEN 8 AND 13 PERCENT DRY WEIGHT AND A PH SUITABLE FOR THE PROPOSED LANDSCAPE PLANTS. SEE LANDSCAPE PLANS FOR MORE DETAILS. y J. �r WASfJj�� AS -BUILT ��w� ■1 I CERTIFY THAT THE INFORMATION SHOWN HEREON gE�� • WHICH WAS AS -BUILT BY AHBL , AND MAY INCLUDE o��ssIONAL1/07/2019 _ 0 LOCATIONS, ELEVATIONS, DEPTHS, PIPE SIZES, AND AS -BUILT COMMENTS, ACCURATELY REFLECTS EXISTING -D - ALTERATION OF THIS DOCUMENT SHALL INVALDATE THE � FIELD CONDICTIONS AS DETERMINED BY ME OR UNDER MY SON&SEa mSmiuRE.vum7mOF 13 THIS DOM ENT DOES NOT OEROGAIE FROM RESERVED Know what's beloW. DIRECT SUPERVISION ON THIS DATE: 11/7/2019. � TACOMA SEATTLE•SPOKANE TRI-CITIES OWY FM THE PRUM MTIFB IN THE AND IS NOT TO BE USED FOR REPAIR, R0100EL OR Call before you dig. AHBL PROJECT NO.2180059 ADDITION TO THAT PROkECT OR FOR ANY OTHER PRGECT. 1200 6th Avenue, Suite 1620 Seattle, WA 98101 206.267.2425 TEL 206.267.2429 FAX www.ahbl.com WEB GENERAL NOTES: 1. DEMOLITION: IT IS THE INTENT OF THE WORK UNDER THIS CONTRACT TO INCLUDE THE DEMOLITION OF ALL EXISTING SITE IMPROVEMENTS AS INDICATED BY THIS DRAWING OR AS REQUIRED FOR NEW CONSTRUCTION. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FULLY REVIEW THE SITE CONDITIONS AND TO CORRELATE THESE OBSERVATIONS WITH THE PROJECT WORK AND INCLUDE ALL NECESSARY DEMOLITION, WHETHER SHOWN OR NOT, AND INCLUDE ALL SUCH COSTS IN THE BASE BID. 2. CLEARING: IT IS THE INTENT OF THE WORK UNDER THIS CONTRACT TO CONDUCT ALL CLEARING NECESSARY TO BE ABLE TO COMPLETE ALL THE WORK OF THIS PROJECT. CONTRACTOR SHALL PERFORM ADDITIONAL CLEARING TO CONSTRUCT ONSITE AND OFFSITE IMPROVEMENTS IF NECESSARY. 3. GENERAL CONTRACTOR SHALL PROVIDE AN ESC SUPERVISOR WHO IS A CERTIFIED EROSION AND SEDIMENT CONTROL LEAD. 4. CONTRACTOR SHALL CONFORM TO ALL REQUIREMENTS OF THE NPDES UNDER THE DOE'S GENERAL PERMIT FOR STORMWATER DISCHARGE FROM CONSTRUCTION ACTIVITIES AND THE SWPPP. CONTRACTOR IS RESPONSIBLE FOR MAINTAINING ALL REQUIRED RECORDS. 5. CONTRACTOR SHALL LEGALLY DISPOSE OFF THE OWNER'S PROPERTY, ALL DEMOLISHED AND REMOVED MATERIALS, UNLESS INDICATED OTHERWISE. 6. BACKFILL AND COMPACT ALL VOIDS AND DEPRESSIONS OCCURRING AS A RESULT OF DEMOLITION ACTIVITIES. SEE SPECIFICATIONS FOR ALLOWABLE BACKFILL MATERIALS. 7. REMOVE EXISTING SOD AND TOPSOIL AS NECESSARY TO PROVIDE IMPROVEMENTS. CONTRACTOR SHALL DISPOSE OF EXCESS SOD AND TOPSOIL OFFSITE. 8. CONTRACTOR IS RESPONSIBLE FOR MAINTENANCE OF CONSTRUCTION SEQUENCE: 1. STAKE THE CLEARING LIMITS BEFORE THE PRE -CONSTRUCTION MEETING. 2. ARRANGE AND ATTEND PRE -CONSTRUCTION MEETING WITH CITY OF RENTON, OWNER, CONTRACTOR, ESC LEAD, AND ENGINEER. 3. POST NOTICE OF CONSTRUCTION ACTIVITY SIGN WITH NAME AND PHONE NUMBER OF ESC LEAD. 4. FENCE CLEARING LIMITS AND TREE PROTECTION AREAS. 5. INSTALL CATCH BASIN SEDIMENT PROTECTION. 6. INSTALL PERIMETER PROTECTION (SILT FENCE, OR OTHER MEASURES) WHERE SPECIFIED ON THE ESC PLAN OR REQUIRED BY THE CITY INSPECTOR. 7. GRADE AND STABILIZE CONSTRUCTION ENTRANCE. 8. DEMOLISH EXISTING PAVEMENT AREAS AS INDICATED ON PLAN. 9. CONSTRUCT SURFACE WATER CONTROLS (INTERCEPTOR SWALES, CHECK DAMS, TEMPORARY SEDIMENT POND, ETC.) SIMULTANEOUSLY WITH CLEARING AND GRADING FOR PROJECT DEVELOPMENT. 10. PROVIDE PLASTIC COVERING ON ALL EXPOSED SLOPES 5HAV OR GREATER. ALL FILLS MUST BE IN ACCORDANCE WITH THE RECOMMENDATIONS OF THE GEOTECHNICAL ENGINEER. 11. MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH CITY OF RENTON STANDARDS, NPDES PERMIT AND EROSION AND SEDIMENT CONTROL REPORT. 12. RELOCATE SURFACE WATER CONTROLS AND EROSION CONTROL MEASURES OR INSTALL NEW MEASURES, SO THAT, AS SITE CONDITIONS CHANGE, THE EROSION AND SEDIMENT CONTROL IS ALWAYS IN ACCORDANCE WITH THE CITY OF RENTON EROSION AND SEDIMENT CONTROL REQUIREMENTS. 13. ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT BE DISTURBED FOR TWO DAYS DURING THE WET SEASON (OCT 1 TO APR 30) OR SEVEN DAYS DURING THE DRY SEASON (MAY 1 TO SEPT 30) SHALL BE IMMEDIATELY STABILIZED WITH THE APPROVED ESC MEASURES. 14. ROUGH GRADE SITE. 15. CONSTRUCT PERMANENT STORMWATER FACILITIES. 16. CONSTRUCT ALL OTHER SITE IMPROVEMENTS. 17. STABILIZE ALL AREAS THAT REACH FINAL GRADE WITHIN SEVEN DAYS. 18. SEED OR SOD ANY AREA TO REMAIN UNWORKED FOR MORE THAN 30 DAYS. 19. UPON SUBSTANTIAL COMPLETION, ALL DISTURBED AREAS MUST BE STABILIZED. EROSION AND SEDIMENT CONTROL MEASURES SHALL REMAIN IN PLACE UNTIL APPROVAL IS OBTAINED FROM THE CITY OR RENTON. 20. TEST IRRIGATION SYSTEM. TESC FACILITIES. CONTRACTOR IS RESPONSIBLE FOR CONSTRUCTION OF ADDITIONAL FACILITIES INCLUDING BUT NOT LIMITED TO FILTER FENCE, CATCH BASIN PROTECTION, SWALES, MULCHING AND SEEDING. 9. RELOCATE EROSION CONTROL MEASURES OR INSTALL NEW MEASURES SO THAT AS SITE CONDITIONS CHANGE THE EROSION CONTROL IS ALWAYS IN ACCORDANCE WITH THE MINIMUM CITY OF RENTON TESC REQUIREMENTS. 10. SEDIMENTS TRACKED ONTO PAVED SURFACES SHALL BE REMOVED BY SWEEPING. SEDIMENTS SHALL NOT BE WASHED DOWNSTREAM. SPRAY EXPOSED SOILS WITH WATER TO PREVENT DUST. RUNOFF SHALL NOT BE CREATED BY SPRAYING. EROSION CONTROL MEASURES SHALL BE PROVIDED THROUGHOUT CONSTRUCTION. WHEEL WASHES SHALL BE PROVIDED IF THE NOTED EROSION CONTROL MEASURES ARE NOT ADEQUATE TO PREVENT SEDIMENTS FROM ENTERING THE ROW 11. CONTRACTOR SHALL EXCAVATE AND FILL AS NECESSARY TO ACHIEVE SUBGRADES IN LAWN AND PLANTER BEDS REQUIRED BY THE LANDSCAPE PLANS. 12. PROTECT EXISTING UTILITIES WITHIN THE WORK LIMITS NOT SPECIFICALLY INDICATED FOR DEMOLITION. ADJUST EXISTING UTILITIES TO FINISHED GRADE. 13. CONTRACTOR SHALL INCLUDE IN BID REMOVAL OF ALL TESC MEASURES AT COMPLETION OF PROJECT. 14. SEE LANDSCAPE PLANS FOR FINAL VEGETATED SURFACING. 15. CONTRACTOR IS REQUIRED TO USE EXISTING TRUCK HAUL ROUTES AS NOTED PER CITY OF RENTON ORDINANCE 5339. ORDINANCE 5339 SPECIFIES THAT TRUCKS TAKE THE MOST DIRECT ARTERIAL ROUTE TO OR FROM ONE OF THE DESIGNATED TRUCK ROUTES. NE SUNSET BLVD (STATE HIGHWAY 900) SOUTH OF THE SITE IS A DESIGNATED TRUCK ROUTE. EXISTING LEGEND: SURVEY 0 SET NAIL AND WASHER MISCELLANEOUS BOLLARD SIGN AS NOTED FENCE SANITARY SEWER SANITARY SEWER MANHOLE SANITARY SEWER CLEANOUT SANITARY SEWER LINE STORM DRAINAGE ❑ STORM CATCH BASIN ❑0 STORM MANHOLE ® ROOF DRAIN - STORM LINE NATURAL GAS GAS VALVE GAS LINE POWER 1 , ELECTRICAL VAULT z JUNCTION BOX 0 LUMINAIRE - - - - P ELECTRICAL LINE - - - - T COMMUNICATION LINE TREES C=CEDAR CW=COTTONWOOD, M=MAPLE, U= UNKNOWN SURFACING CONCRETE ASPHALT CONTOUR MAJOR - -XXX- - INTERVAL CONTOUR MINOR - - - -XXX- - - INTERVAL PROPERTY/RIGHT-OF-WAY LINE CONSTRUCTION RECORD DRAWINGS STORM DRAINAGE REVISIONS 1 ALTERNATE BID NO. 1: SOCCER FIELD IMPROVEMENTS NO. REVISION SURVEYED: DESIGNED: AMT 09/20/2019 AC B DRAWN. AMT AMT 01 28 2019 ACB CHECKED: BJS BY DATE APPR I APPROVED: WJF SCALE: AS SHOWN ONE INCH AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY VERTICAL: NAVD 1988 HORIZONTAL NAD 1983/1991 DATU M CITY OF RENTON Planning/Building/Public Works Dept. 16. THE SITE TOPOGRAPHIC SURVEY WAS COMPLETED BY THE OWNER'S CONSULTANT. PRIOR TO CONSTRUCTION AND MOVING MATERIAL, THE CONTRACTOR SHALL REVIEW THE SURVEY AND PROVIDE THE OWNER A SIGNED LETTER INDICATING THE CONTRACTOR AGREES WITH THE CONDITIONS NOTED BY THE SURVEY. IF THE CONTRACTOR DOES NOT AGREE WITH THE CONDITIONS OF THE SURVEY, THE CONTRACTOR SHALL COMPLETE AN INDEPENDENT 3RD PARTY SURVEY AND PROVIDE IT TO THE OWNER FOR REVIEW PRIOR TO CONSTRUCTION OR MOVING MATERIAL. NOTES 1. COORDINATE DEMOLITION AND SALVAGE NECESSARY TO PROVIDE OF IRRIGATION COMPONENTS WITH IMPROVEMENTS. CONTRACTOR SHALL IRRIGATION CONTRACTOR. COORDINATE DISPOSE OF EXCESS SOD AND TOPSOIL INSTALLATION OF IRRIGATION SLEEVING ONSITE. WITH PAVING INSTALLATION. 7. SEDIMENTS TRACKED ONTO PAVED 2. DEMOLITION: IT IS THE INTENT OF THE SURFACES SHALL BE REMOVED BY WORK UNDER THIS CONTRACT TO SWEEPING. SEDIMENTS SHALL NOT BE INCLUDE THE DEMOLITION OF ALL WASHED DOWNSTREAM. SPRAY EXISTING SITE IMPROVEMENTS AS EXPOSED SOILS WITH WATER TO INDICATED BY THIS DRAWING OR AS PREVENT DUST. RUNOFF SHALL NOT BE REQUIRED FOR NEW CONSTRUCTION. IT CREATED BY SPRAYING. EROSION IS THE CONTRACTOR'S RESPONSIBILITY CONTROL MEASURES SHALL BE TO FULLY REVIEW THE SITE CONDITIONS PROVIDED THROUGHOUT AND TO CORRELATE THESE CONSTRUCTION. OBSERVATIONS WITH THE PROJECT WORK AND INCLUDE ALL NECESSARY 8. PROTECT EXISTING PLANTS AND DEMOLITION, WHETHER SHOWN OR NOT, VEGETATION TO REMAIN. AND INCLUDE ALL SUCH COSTS IN THE BASE BID. 9. PROTECT EXISTING UTILITIES AND PAVING WITHIN THE WORK LIMITS. RAISE 3. CLEARING: IT IS THE INTENT OF THE EXISTING UTILITIES TO FINISHED GRADE. O N L0 O O 00 T 16 O 0 0 O F 00 WORK UNDER THIS CONTRACT TO REPLACE DAMAGED PAVING. PROTECT z CONDUCT ALL CLEARING NECESSARY TO EXISTING UTILITIES AND PAVING BEYOND O BE ABLE TO COMPLETE ALL THE WORK THE WORK LIMITS. OF THIS PROJECT. 10. HYDROSEED ALL NON -PAVED DISTURBED Q 4. CONTRACTOR SHALL LEGALLY DISPOSE AREAS FOR EROSION AND OFF THE OWNER'S PROPERTY, ALL SEDIMENTATION CONTROL PER SHEET O DEMOLISHED AND REMOVED MATERIALS, C2.4. z UNLESS INDICATED OTHERWISE. W 11. CONTRACTOR SHALL HAVE THE OPTION 5. BACKFILL AND COMPACT ALL VOIDS AND OF PERMANENT SODDING IN LIEU OF DEPRESSIONS OCCURRING AS A RESULT SEEDING FOR EROSION AND (f� OF DEMOLITION ACTIVITIES WITH SEDIMENTATION CONTROL AT NO 0 APPROVED BACKFILL. ADDITIONAL EXPENSE TO THE OWNER. J W 6. REMOVE EXISTING SOD AND TOPSOIL AS Q J R-402807 a 0 IN COMPLIANCE WITH CITY OF RENTON STANDARDS 0 McKNIGHT MIDDLE SCHOOL FIELD IMPROVEMENTS RENTON SCHOOL DISTRICT TESC NOTES & LEGEND U J 0 = DATE: 1/15/2019 FIELDBOOK: PAGE _ z DRAWING NO: C2.4 SHEET: OF. 7 32