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HomeMy WebLinkAboutR-4054060 I I W 63 w Ld z L, SE 1/4 SECT/ON 14, TOWNSHIP 23 N, RANGE 5 E, W.M. CEDARS A r wE HiGHtANin FOUND 1/2" REBAR W/ CAP ll 30"CPP=432.01(N) 6'VBF IS 0.6'N. OF R STAMPED "DMP INC LS 22962 \ 6'VBF IS 1.4'N. OF F'L �B � WATER VALVE 0.2'S. OF PROP LINE I II �:I: FOUND 1 /2" REBAR W/ CAP & BLOWOFF 6'VBF IS 0.2'N. OF R \ Ss l I, ::: I: STAMPED "DMP INC LS 22962' 2' TALL CONC S) II \`-436 0.2'S. X 0.1'W. OF P.C. xT BLOCK WALL h' 4'HWF IS 0.8'S. OF R 4'HWF IS p, II 6'VBF - A --- QI _ n Q'K l OF R II II I I � I Q II I V- I 0.77 ; I `. IrA I SSMH RIM=425.61 IE DROP=417.21 8"PVC (N,E,S) CTR CHANNEL=403.90 IS 4'HWF CORNER IS 0.1,NN,21F 0.2'S X 0. VW. OF F'L d: k 0.2S. OF �\ \\ �\ \ �\ \` , , JX x \_ I I ' • p I \ xx II I a I �' �d 1 / DC SHOPS L•.• DCB I - a \ / - BAN O \ \ , x-x 5.00 6 .4 6 - ' 5(N) MU a I(�( 0O - - 2 CARPO T \\ �\ •• '••- -- 3(E) kk _ y ( )CL PS PRo7EC I �, '] I I - t.sox s - 167x-42160 CL �`l xZZ O I DCB 3.85 7(S) O ;SM H 0.28 N,S) 1.53 -_TE IED ISK WN SE. SE >4>STP Cl I ) MU CONSTRUCTION STAGING AREA: ALL CONSUCnON MATERIALS ANDLIOUIDS TO BE I / _ I STORED HERE (IN I r TRAILERS) AND ONLY \ HERE AT ALL TIMES. AREA SHALL BE LINED WITH PLASTIC AND RIP RAP PRIOR ............ TO ANY ACTIVITY. \ PS S - 2.3m a50x .. - ... ... S 0.70 X 0.8, BP \ II` y ----. �2o x x 111 f , X VAUL T TO BE 4' W4 F U77LIZED FOR I SEDIMENT POND N I ONCE FLOOR AND �S -I- WALLS ARE CONSTRUCTED , - ' (� SSMH RIM=421.45 8"PVC (N,S) CTR CHANNEL=403.70 !E" C( COVERED .7 4� - I .� SHED lE " \ FOUND 3" HE:...__.. L I'LSHE 6'VBF IS \ BOLT 0.2'S. X 0.2'E. OF P.C. 4'HWF IS ON f'L 0.1'N. OF 0.3'S. OF R II 4'HWF IS 1.0'S. OF F'L III SDCB RIM=427.56 12"CPP=424.56(N,S) I SSMH RIM=420.8E CONS TRUC T/ON SEQUENCE: 1. PRE -CONSTRUCTION MEETING. 2. POST SIGN WITH NAME AND PHONE NUMBER OF ESC SUPERVISOR (MAY BE CONSOLIDATED WITH THE REQUIRED NOTICE OF CONSTRUCTION SIGN). J. FLAG OR FENCE CLEARING LIMITS AND PROVIDE TREE PROTECTION. 4. INSTALL CATCH BASIN PROTECTION IF REQUIRED. 5. GRADE AND INSTALL CONSTRUCTION ENTRANCE(S). 6. CONSTRUCT OUTFALL CONVEYANCE SYSTEM FROM CB208 TO CB 8. 7. INSTALL PERIMETER PROTECTION (SILT FENCE, BRUSH BARRIER, ETC.). & CONSTRUCT DETENTION VAULT AND SEDIMENT TRAPS IF REQUIRED. 9. GRADE AND STABILIZE CONSTRUCTION ROADS. 10. CONSTRUCT SURFACE WATER CONTROLS (INTERCEPTOR DIKES, PIPE SLOPE DRAINS, ETC.) SIMULTANEOUSLY WITH CLEARING AND GRADING FOR PROJECT DEVELOPMENT. 11, MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH APPENDIX D OF THE SURFACE WATER DESIGN MANUAL AND MANUFACTURER'S RECOMMENDA TIONS. 12. RELOCATE EROSION CONTROL MEASURES OR INSTALL NEW MEASURES SO THAT AS SITE CONDITIONS CHANGE THE EROSION AND SEDIMENT CONTROL IS ALWAYS IN ACCORDANCE WITH THE CITYS EROSION AND SEDIMENT CONTROL STANDARDS. 13. COVER ALL AREAS THAT WILL BE UNWORKED FOR MORE THAN SEVEN DAYS DURING THE DRY SEASON OR TWO DAYS DURING THE WET SEASON WITH STRAW, WOOD FIBER MULCH, COMPOST, PLASTIC SHEETING OR EQUIVALENT. 14. STABILIZE ALL AREAS THAT REACH FINAL GRADE WITHIN SEVEN DAYS. 15. SEED OR SOD ANY AREAS TO REMAIN UNWORKED FOR MORE THAN 30 DA YS. 16. UPON COMPLETION OF THE PROJECT, ALL DISTURBED AREAS MUST BE STABILIZED AND BMPS REMOVED IF APPROPRIATE. r \� Call 2 Working Days Before You Dig 811 Utilities Underground Location Center (ID,MT,ND,OR,WA) PIE L• CIS ov WAS11l C �SSIDNAL b�p•lg r NO TES: U OApo WALL 24"CPP=414.33 .. =412.44 -/ A 1. ADDITIONAL EROSION CONTROL MEASURES MAY BE REQUIRED AS DEEMED NECESSARY BY COR INSPECTOR. 2. COORDINATE WITH NEIGHBORING PROPERTY OWNERS THE REMOVAL OF FENCES AND STRUCTURES. J. BAKER TANKS (AS NECESSARY) WILL BE UTILIZED. 4. MEASURES WILL BE PROVIDED TO ENSURE THAT NO RUNOFF FROM THE SITE SHALL GO TO ADJACENT PROPERTIES EITHER DURING OR AFTER CONSTRUCTION. 5. SILT FENCE WILL BE PROVIDED AT ALL DOWN SLOPES. 6. GEOTECHNICAL ANALYSIS INDICATES PERCHED GROUNDWATER IS LIKELY PRESENT ACROSS MUCH OF THE SITE. IF GROUNDWATER IS ENCOUNTERED DURING EXCAVATION, THEN DE -WATERING MEASURES ARE TO BE UTILIZED AS NEEDED PER GEOTECHNICAL RECOMMENDATIONS. 7. DOE CONSTRUCTION STORMWATER GENERAL PERMIT NUMBER: XXXXXXXXX ARBORIST NOTE: ANY CONSTRUCTION DONE WITHIN AN OFFSITE TREE DRIPLINE MUST BE DONE UNDER ARBORIST SUPERVISION. D.R. STRONG CONSUL TING ENGINEERS ENGINEERS PLANNERS SURVEYORS 620 - 7th AVENUE KIRKLAND, WA 98033 O 425 827 3063 F 425 827 2423 1 CITY COMMENTS 02.19.19 1 CITY COMMENTS 05.03.19 NO. I REVISION DRD 04.11.19 YLP SURVEYED: JGR CM 06.20.19 YLP DESIGNED: YLP DRAWN: GLB CHECKED: YLP BY DATE APPR APPROVED II I II I O N; I tl' I I I I � I o I � � I II I I I IIII I I IIII r I I III I I 11II I r IIII I r SSMH �I RIM=410.10 I 8°PVC (N,S) CTR CHANNEL=396.95 u III I III I Ii A n r 12"CONC=401.41(Nw) ,I SCALE: AS NOTED ONE INCH AT FULL SCALE IF NOT ONE INCH SCALE ACCORDINGLY VERTICAL: NAVD 1988 HORIZONTAL: NAD 1983/1991 DATUM TESC LEGEND CL CONSTRUCTION LIMITS SF REINFORCED SILT FENCE STABILIZED CONSTRUCTION ENTRANCE C _0_ DUST CONTROL MU MULCHING, MATTING, & COMPOST BLANKETS O INLET PROTECTION PS PERMANENT SEEDING AND PLANTING SS STREET SWEEPING & VACUUMING - • • • � IN TERCEP TOR SCALE WITH ROCK CHECK DAM EVERY 50' 12" TEMPORARY CULVERT RIP RAP PAD TREE PROTECTION FENCE O1 EXISTING STRUCTURE TO REMAIN PER 5- YEAR TIER // TEMPORARY USE PERMIT TREES TO BE REMOVED 0 OFFSI TE AND SENSI TI VE AREA TREES TO REMAIN DEAD, DISEASED OR DANGEROUS TREES (PER ARBORIST REPORT) TREES TO BE RETAINED SEDIMENT POND SIZING SUMMARY THE SEDIMENT POND WAS SIZED USING THE REQUIREMENTS STATED IN APPENDIX D' OF THE 2017 CITY OF RENTON SURFACE WATER DESIGN MANUAL SECTION D. 2.1.5.2 WHICH REQUIRES 2,080 S.F. OF SURFACE AREA PER CFS OF INFLOW WHICH WAS CALCULATED USING WWHM2012 (15 MIN TIME STEPS) TO ANALYZE THE DEVELOPED SITE CONOI TIONS. POND (CATCHMENT AREA: 4.123 AC.) 10-YEAR PEAK FLOW RATE...................1.809 CFS REQUIRED SURFACE AREA ..................... 3, 763 S.F. PROVIDED SURFACE AREA ..................... 4,853 S. F. DEWA TER/NG NO TE.• DEWATERING /S NOT ANTICIPATED FOR THE SITE SHOULD DEWATERING CONTROL BE NECESSARY, CONTRACTOR SHALL APPLY FOR A CONSTRUCTION DEWATERING PERMIT WITH BOTH KING COUNTY AND CITY OF RENTON IN ORDER TO DISCHARGE TO THE SANITARY SEWER SYSTEM IN 162NO AVENUE SE. NORTH GRAPHIC SCALE 0 210' 40' 80, � 1 INCH = 40 FT. VRC TY OF l%09v RENTON Planning/Building/Public Works Dept. T T O C) 0') X�J GD T C) C) T I Q J , �O C) 0 T R-405406 0 z IN COMPLIANCE WITH CITY OF RENTON STANDARDS J DEVELOPMENT ENGINEERING n,7 bbannwarth 07/01 /2019 _ W DATE: CEDARS AT THE HIGHLANDS 01.29.19 CLEARING AND TESC PLAN FIELDo�C PAGE: DRAWING 14120160TH AVENUE SE C 6 0 W RENTON, WASHINGTON 98059 SHEET: 6 OF:28 U DRS PROJECT NO. 16041