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HomeMy WebLinkAboutS-4194053 0 0 / L / / m 3 Q / Q Ln o �El- 0 O NQ / �Q0 C) � 0 o a; U � � N 0CD N Q� 00 v N CL o r I r, I I � ' O U LU \ O z Qo UCN (4� _ \L o N rQ L CU LEI v, m IN o \ z 0 12 12 6 TYP. � 2 � 298LF PCL 146340-0082 PCL 146340-0084 PCL 146340-0080'. PCL. 146340-0083 R-4 R-4 R-4 R-4 � 7:= -�(- - - _ N 88 34 22 W 595. 09 � :':: !--�---- ---- - - - _ . - _77 14 CONSTRUCTION SEQUENCE 1. PRE -CONSTRUCTION MEETING. SCHEDULED CONSTRUCTION ACTIVITY (E.G., CONCRETE -RELATED PH MEASURES FOR UTILITY, VAULT OR ROADWAY 2. POST SIGN WITH NAME AND PHONE NUMBER OF CSWPP/ESC SUPERVISOR (MAY BE CONSOLIDATED WITH THE CONSTRUCTION) REQUIRED NOTICE OF CONSTRUCTION SIGN). 10. MAINTAIN EROSION CONTROL AND SWPPS MEASURES IN ACCORDANCE WITH KING COUNTY STANDARDS AND MANUFACTURER'S RECOMMENDATIONS. 3. FLAG OR FENCE CLEARING LIMITS. 4. INSTALL CATCH BASIN PROTECTION AND FLOW CONTROL BMP AREA PROTECTION AS REQUIRED. 11. RELOCATE EROSION CONTROL AND SWPPS MEASURES OR INSTALL NEW MEASURES SO THAT AS SITE CONDITIONS CHANGE THE EROSION AND SEDIMENT CONTROL AND POLLUTANT PROTECTION IS ALWAYS IN ACCORDANCE WITH 5. GRADE AND INSTALL CONSTRUCTION ENTRANCE(S). THE KING COUNTY CONSTRUCTION STORMWATER POLLUTION PREVENTION STANDARDS. 6. INSTALL PERIMETER PROTECTION (SILT FENCE, BRUSH BARRIER, ETC.). 12. 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, OR EQUIVALENT. 7. CONSTRUCT SEDIMENT PONDS AND TRAPS. 13. STABILIZE ALL AREAS THAT REACH FINAL GRADE WITHIN SEVEN DAYS. 8. GRADE AND STABILIZE CONSTRUCTION ROADS. 14. SEED OR SOD ANY AREAS TO REMAIN UNWORKED FOR MORE THAN 30 DAYS. 9. CONSTRUCT SURFACE WATER CONTROLS (INTERCEPTOR DIKES, PIPE SLOPE DRAINS, ETC.) SIMULTANEOUSLY WITH CLEARING AND GRADING FOR PROJECT DEVELOPMENT. CONSTRUCT SWPPS CONTROLS IN ANTICIPATION OF 15. UPON COMPLETION OF THE PROJECT, ALL DISTURBED AREAS MUST BE STABILIZED AND BMPS REMOVED IF APPROPRIATE. C ' H CONSULTANTS Site Planning e Civil Engineering Landscape Architecture e Land Use Consulting 11321-B NE 120th Street Kirkland, WA 98034 - (425) 285-2390 101 South Wenatchee Avenue, Suite C3 Wenatchee, WA 98801 - (509) 293-7731 www.cphconsuItants.cam 0 2023 CPH Consultants. LLC. All Rights Reserved. 0 CONSTRUCTION PERMIT SUBMITTAL 1 RECORD DRAWINGS 10. Know what's below. Cal I before you dig. N 0. REVISION PCE 1/7/22 MJH SURVEYED: CSB PCE 8/1 /23 MJH DESIGNED: JBS DRAWN: PCE CHECKED: MJH BY DATE APPR APPROVED: SCALE: 1 1 WrE, 16' 1 =1 I CONSTRUCTION NOTES EROSION CONTROL AND TEMPORARY CONSTRUCTION CONSTRUCTION FENCING PER DETAIL ON SHEET C1.100, APPROX. LENGTH PER PLAN SILT FENCE PER DETAIL ON SHEET C1.100, APPROX. LENGTH PER PLAN APPROX. LIMIT OF GRADING REF. TYP. CLEARING LIMITS DETAIL ON SHEET C1.100 TYP. TEMP. SEDIMENT TRAP PER DETAIL THIS SHT. TEMPORARY STABILIZED CONSTRUCTION ENTRANCE PER DETAIL ON SHEET C1.100 E TEMPORARY INTERCEPTOR DITCH PER DETAIL ON SHEET C1.100 IflTEMPORARY CULVERT, S=2% MIN. (UNO) 8❑ PERMANENT STORM DRAINAGE FACILITY, SEE NOTES 2 AND 4 TREE PROTECTION FENCING PER TREE RETENTION PLAN, SEE DRAWING LO.10 1 p CATCH BASIN INLET PROTECTION PER DET. ON C0.04 LEGEND APPROX. LIMIT OF GRADING X X SILT FENCE CONSTRUCTION FENCE TEMPORARY INTERCEPTOR DITCH WITH + ROCK CHECK DAM ROCKERY O INLET PROTECTION NOTES: 1. TEMPORARY CULVERTS, INTERCEPTOR DITCHES, AND CHECK DAMS ARE SHOWN APPROXIMATE. ACTUAL EXTENTS AND LOCATIONS MAY VARY TO FACILITATE SITE CONDITIONS AND ACTIVITIES AT THE TIME OF CONSTRUCTION. 2. ALL PERMANENT STORM DRAIN FACILITIES ACTIVE DURING CONSTRUCTION SHALL BE CLEANED AND/OR REPAIRED TO GOOD WORKING CONDITION PRIOR TO FINAL PROJECT CLOSEOUT. 3. EXISTING UTILITIES SHALL BE PROTECTED DURING CONSTRUCTION. CONTRACTOR SHALL NOTIFY OWNER/ENGINEER OF ANY CONFLICTS WITH PROPOSED IMPROVEMENTS AND/OR CONSTRUCTION. 4. PIPE ENDS AND STRUCTURE OUTLETS IMMEDIATELY UPSTREAM OF INFILTRATION GALLERY SHALL BE TEMPORARILY PLUGGED UNTIL ALL CONTRIBUTING AREAS ARE STABILIZED TO PREVENT SEDIMENT -LADEN RUNOFF FROM ENTERING FACILITY. GRAVEL TRENCHES SHALL BE COVERED AND PROTECTED AT ALL TIMES FROM SEDIMENTATION. SEDIMENT TRAP SIZING: SED TRAP 1 SED TRAP 2 Q2 = 1.575 CFS Q2 = 0. 79 0 CFS Q10 = 2.229 CFS 010 = 1.121 CFS DRY SEASON CONSTRUCTION (MAY 1ST TO SEPTEMBER 30TH) ASSUMES 2 YEAR STORM TRAP 1 SURFACE AREA = 2 x Q2/0.00096 = 3281 SF MINIMUM TRAP 2 SURFACE AREA = 2 x Q2/0.00096 = 1646 SF MINIMUM WET SEASON CONSTRUCTION (OCTOBER 1ST TO APRIL 30TH) ASSUMES 10 YEAR STORM TRAP 1 SURFACE AREA = 2 x Q1010.00096 = 4644 SF MINIMUM TRAP 2 SURFACE AREA = 2 x Q1010.00096 = 2335 SF MINIMUM - �� �, ONAL I'. ql� N THE AS -BUILT INFORMATION SHOWN ON THIS PLAN IS PER A FIELD SURVEY 0 30 60 PERFORMED BY MEAD GILMAN A SSOCIA TES AND/OR RECORD DATA PLAN IN FEET PROVIDED BY THE CONTRACTOR. VERTICAL: NAVD 1988 ° C TY 0 HORIZONTAL: NAD 1983/1991 R EN TON ° ONE INCH DATUM AT FULL SCALE Planning/Building/Public Works Dept. IF NOT ONE INCH SCALE ACCORDINGLY S-419405 7 IN COMPLIANCE WITH CITY OF RENTON STANDARDS CARNOUSTIE COURT SANITARY SEWER IMPROVEMENTS TESC PLAN I- O U W DATE: 7/25/23 Cn FIELDBOOK: Z) PAGE: O DRAWING NO: z C1.00 IIr SHEET: 5 OF: 10 Q U