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HomeMy WebLinkAboutR-409106NE 114 SECTION 14, TOWNSHIP 23 N, RANGE 5 E, W.M. MAPLE HIGHLANDS j= _ _ ,-- , X s � FL = 471.44 • _FL_ FL 460.88 ... _..13 S 50.`!; 1.26X S 9.3 S 5 ® — ..... ® 86X Co CIO � LLI ` \\ \ II I C:) \ . \ I — — \\ PS X 44 r -So CP \ X I X DC ;� 512- / 1 I 1 \ \ \ \ I 1 \ \ I \ I I I I I I 1-- CONSTRUCTION ` \ XI I I I I %t \ \ I I I I I I I STAGING AREA: ALLCONSTRUC � PS \ O I MATERIALSTION AND 1 LIQUIDS TO BE I STORED HERE (IN \ \ X \ I TRAILERS) AND ONLY I COVERED HERE AT ALL TIMES. STOCKPILE AREA SHALL BE I ` \ \ LINED WITH PLAS77C 1 \ \ \ \ \ \ \ \ AND RIP RAP PRIOR 1 M�. \ TO ANY AC7714TY. 1 • \ \FL- 466.93 S 66% \ 6.06.`� ._ .. . ---- Ste• 12X • ... I of _ X ' DR/VFWA Y TO BE x - - - _ Y REMOVED 0 X�X �X \••-_ / TREE PROTECTION l FENCES LOCA7FD ON LOT 3 CLEARING LIMITS (7YP.) PORTION OF KING L;Uuly I I INTERLAKE ADD. NO. 1 SHORT PLAT 675067R VOL. 83 OF PLATS, PIGS. 96-97 / REC. NO. 8804110386 REC. NO. 8804110386 � I I I CONSTRUCTION SEQUENCE: NO TES: 1. PRE -CONSTRUCTION MEETING. 1. ADDITIONAL EROSION CONTROL MEASURES MAY BE REQUIRED AS DEEMED 2. POST SIGN WITH NAME AND PHONE NUMBER OF ESC SUPERVISOR (MAY BE NECESSARY BY COR INSPECTOR. 2• COORDINATE WITH NEIGHBORING PROPERTY OWNERS THE REMOVAL OF CONSOLIDATED WITH THE REQUIRED NOTICE OF CONSTRUCTION SIGN). FENCES AND STRUCTURES. J. FLAG OR FENCE CLEARING LIMITS AND PROVIDE TREE PROTECTION. 3. BAKER TANKS (AS NECESSARY) WILL BE UTILIZED. 4. INSTALL CATCH BASIN PROTECTION IF REQUIRED. 4. MEASURES WILL BE PROVIDED TO ENSURE THAT NO RUNOFF FROM THE SITE SHALL GO TO ADJACENT PROPERTIES EITHER DURING OR AFTER 5. GRADE AND INSTALL CONSTRUCTION ENTRANCE(S). CONSTRUCTION. 6. CONSTRUCT OUTFALL CONVEYANCE SYSTEM FROM CB7 TO PROPOSED OUTFALL. 5. SILT FENCE WILL BE PROVIDED AT ALL DOWN SLOPES. 5. GEOTECHNICAL ANALYSIS INDICATES PERCHED GROUNDWATER IS LIKELY 7 INSTALL PERIMETER PROTECTION (SILT FENCE, BRUSH BARRIER, ETC.). PRESENT ACROSS MUCH OF THE SITE. IF GROUNDWATER IS ENCOUNTERED 8. CONSTRUCT DETENTION VAULT AND SEDIMENT TRAPS IF REQUIRED. DURING EXCAVATION, THEN DE -WATERING MEASURES ARE TO BE UTILIZED AS NEEDED PER GEOTECHNICAL RECOMMENDATIONS. 9. GRADE AND STABILIZE CONSTRUCTION ROADS. 7 DOE CONSTRUCTION STORMWA TER GENERAL PERMIT NUMBER: XXXXXXXXX 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. ARBORIST NOTE: ANY CONSTRUCTION DONE WITHIN AN OFFSITE TREE DRIPLINE MUST BE DONE UNDER ARBORIST SUPERVISION. 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 CI TY S 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 DAYS. AS-BUILT 16. UPON COMPLETION OF THE PROJECT, ALL DISTURBED AREAS MUST BE STABILIZED AND BMPS REMOVED IF APPROPRIATE. NO AS —BUILT INFORMA770N ON THIS SHEET I\ Call 2 Working Days Before You Dig 811 Utilities Underground Location Center (ID,MT,ND,0ll "I CER77FY THAT THE INFORMATION SHOWN HEREON WHICH WAS AS —BUILT BY D.R. STRONG, AND MAY INCLUDE LOCATIONS, ELEVATIONS, DEPTHS, PIPE SIZES, AND AS —BUILT COMMENTS, ACCURATELY REFLECTS EXISTING FIELD CONDITIONS AS DETERMINED BY ME OR UNDER MY DIRECT SUPERVISION ON THIS DATE. 212912024." 1 FINAL AS—BUILTS COMMENTS 2.28.24 D.R. STRONG CONSUL TING ENGINEERS DR ENGINEERS PLANNERS SURVEYORS 620 - 71h AVENUE KIRKLAND, WA 98033 maw O 425827.3063 F 425827.2423 N 0. REVISION i I:�il�1i11 0 TESC LEGEND T CL CONSTRUCTION LIMITS O SF REINFORCED SILT FENCE 0 O o 0 0 0 o STABILIZED CONSTRUCTION ENTRANCE T x -0- C DUST CONTROL NB NETS AND BLANKETS MU MULCHING, MATTING, & COMPOST BLANKETS I OINLET PROTECTION I PS PERMANENT SEEDING AND PLANTING I X SS STREET SWEEPING &VACUUMING 11 1 • • • �� INTERCEPTOR SCALE WITH ROCK CHECK DAM co X EVERY 50' 12" TEMPORARY CULVERT O RIP RAP PAD O 1 O \ x —0 0 0 0 TREE PROTECTION FENCE \ \ T ` O1 EXISTING STRUCTURE TO BE REMOVED Q I ?� I I I I VIABLE ON -SITE TREES TO BE RETAINED n '=44,97 VIABLE ON -SITE TREES TO BE REMOVED II II II v, II II II , II II II I p I II II II I 1 � II II II I II VAUL T TO BE II I Q II U77LIZED FOR u J NON —VIABLE TREES TO BE REMOVED SEDIMENT TRAP z ONCE FLOOR AND PER ARBORIST REPORT � II WALLS ARE II CONSTRUCTED II a II II CK II pi III VIABLE OFFSITE TREES TO BE RETAINED I� 0 o = 4 1 / I 1I „ C1 VIABLE OFFSITE TREES TO BE REMOVED / ' =11 45E / 4" CPP SEDIMENT POND SIZING SUMMARY �1 v THE SEDIMENT POND WAS SIZED USING THE REQUIREMENTS STATED IN APPENDIX '0' OF THE 2017 CITY OF RENTON SURFACE WATER i DESIGN MANUAL SECTION D.2.1.5.2 WHICH REQUIRES 2,080 S.F. OF 1A SURFACE AREA PER CFS OF INFLOW WHICH WAS CALCULATED USING THE WWHM2012 (15 MIN TIME STEPS) TO ANALYZE DEVELOPED SITE 30' UTILITY EASEMENT CONDITIONS. � REC. NO. 2021 Q406000762 �_ � I POND (CATCHMENT AREA: 4.65 AC.) 5 .. .. QJ 10- YEAR PEAK FLOW RATE ...................2.1585 CFS '.. . v REQUIRED SURFACE AREA ..................... 4,4 90 S. F. PROVIDED SURFACE AREA.....................8,848 S.F. (VAULT AREA) \C DEWA TERING NO TE: DEWATERING IS NOT ANTICIPATED FOR THE SITE. SHOULD i DEWATERING CONTROL BE NECESSARY, CONTRACTOR SHALL APPLY 9 FOR A CONSTRUCTION DEWATERING PERMIT WITH BOTH KING v COUNTY AND CITY OF RENTON IN ORDER TO DISCHARGE TO THE SANITARY SEWER SYSTEM IN 162ND AVENUE SE. \� I I 1 I I II 1 III \ J CAA \ I 1 IV ` I1 1 0 1 II` II z z 1 11 III I\I 1 1 1 \1 J SEE SHEET C6 NORTH GRAPHIC SCALE 0 20 40 80 Emmilill 1 INCH = 40 FT. YLP 02.28.24 YLP SURVEYED: SCALE: DJC VERTICAL: NAVD 1988 • DESIGNED: AS NOTED HORIZONTAL: NAD 1983/1991 o O T Y 0 F YLP DRAWN: RENTON GLB ONE INCH D'1, V� • CHECKED: AT FULL SCALE • vim• YLP IF NOT ONE INCH Planning/Building/Public Works Dept. BY DATE APPR APPROVE SCALE ACCORDINGLY R-409106 IN COMPLIANCE WITH CITY OF RENTON STANDARDS U) 0 Z J V w DATE: MAPLE HIGHLANDS 09.05.19 CLEARING AND TESC PLAN FIELDBOOK: PAGE: DRAWING 16210 SE 134T H STREET C 6 RENTON, WASHINGTON 98059 SHEET: 6 OF41 DRS PROJECT NO. 17020