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Home My WebLink AboutR-390602C0 O 0 I r) W EROSIONL NOTES EROSIONAND SEDIMENT CONTROL RECOMMENDED SEQUENCE MUNTER"RA CONSTRUCTION 1. THESE NOTES SHALL APPEAR FOR ALL PROJECTS - SITE IMPROVEMENTS, SURFACE 1. PRE -CONSTRUCTION MEETING. A PORTION OF THE SW 1/4 OF THE NE 1/4 OF SECTION OS, TWN 23, RNG 05 WATER UTILITY, WASTEWATER UTILITY, WATER UTILITY, AND TRANSPORTATION PLANS: ILLATT MERIDIAN, KING COUNTY, WASHINGTO 2. POST SIGN WITH NAME AND PHONE NUMBER OF ESC SUPERVISOR (MAY BE 2. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A CONSOLIDATED WITH THE REQUIRED NOTICE OF CONSTRUCTION SIGN). PRE -CONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON, PUBLIC WORKS DESIGN ENGINEER. 3. FLAG OR FENCE CLEARING LIMITS. 3. THE BOUNDARIES OF THE CLEARING LIMITS AND AREAS OF VEGETATION PRESERVATION AS PRESCRIBED ON THE PLAN(S) SHALL BE CLEARLY FLAGGED BY 4. INSTALL CATCH BASIN PROTECTION IF REQUIRED. SURVEY TAPE OR FENCING IN THE FIELD PRIOR TO CONSTRUCTION IN ACCORDANCE WITH APPENDIX D OF THE SURFACE WATER DESIGN MANUAL AND OBSERVED DURING 5. GRADE AND INSTALL CONSTRUCTION ENTRANCE(S). CONSTRUCTION. DURING THE CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND THE CLEARING LIMITS SHALL BE PERMITTED. THE CLEARING LIMITS SHALL BE MAINTAINED 6. INSTALL PERIMETER PROTECTION (SILT FENCE, BRUSH BARRIER, ETC.). BY THE APPLICANT/ESC SUPERVISOR FOR THE DURATION OF CONSTRUCTION. 7. CONSTRUCT SEDIMENT PONDS AND TRAPS. 4. STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT. ADDITIONAL 8 GRADE AND STABILIZE CONSTRUCTION ROADS, 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 9. CONSTRUCT SURFACE WATER CONTROLS (INTERCEPTOR DIKES, PIPE SLOPE DRAINS, PROJECT. ETC.) SIMULTANEOUSLY WITH CLEARING AND GRADING FOR PROJECT DEVELOPMENT. 5. ALL REQUIRED SEDIMENTATION/EROSION CONTROL FACILITIES MUST BE CONSTRUCTED 10. MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH APPENDIX D OF THE AND IN OPERATION PRIOR TO LAND CLEARING AND, OR CONSTRUCTION TO PREVENT SURFACE WATER DESIGN MANUAL AND MANUFACTURER'S RECOMMENDATIONS. TRANSPORTATION OF SEDIMENT TO SURFACE WATE DRAINAGE SYSTEMS AND ADJACENT PROPERTIES. ALL EROSION AND SEDIMENT FACILITIES SHALL BE 11. RELOCATE EROSION CONTROL MEASURES OR INSTALL NEW MEASURES SO THAT AS MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH TIME THAT CLEARING SITE CONDITIONS CHANGE THE EROSION AND SEDIMENT CONTROL IS ALWAYS IN AND/OR CONSTRUCTION IS COMPLETE AND POTENTIAL FOR ON -SITE EROSION HAS ACCORDANCE WITH THE CITY'S EROSION AND SEDIMENT CONTROL STANDARDS. PASSED. THE IMPLEMENTATION, MAINTENANCE, REPLACEMENT AND ADDITIONS TO EROSION/SEDIMENTATION CONTROL SYSTEMS SHALL BE THE RESPONSIBILITY OF THE PERMITE 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, PLASTIC SHEETING OR EQUIVALENT. 6. THE EROSION AND SEDIMENTATION CONTROL SYSTEMS DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED SITE 13. STABILIZE ALL AREAS THAT REACH FINAL GRADE WITHIN SEVEN DAYS. 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 TUE- PROPOSED SITE DURING THE COURSE OF 14. SEED OR SOD ANY AREAS TO REMAIN UNWORKED FOR MORE THAN 30 DAYS. EXISTING EXTRUDED CURB PN 10 0 5 10 20 1 inch = 10 feet. PERMITo U16002091 SITE ADDRESSo 905 SUNSET BLVD NE RENTON, . ! ASBUILT THE SHOWN HORIZONTAL AND VERTICAL LOCATIONS OF THE STORM DRAINAGE AND ROAD SYSTEMS WAS FIELD SURVEYED BY ME OR UNDER MY DIRECTION. THOSE RELYING ON THIS RECORD DOCUMENT ARE ADVISED TO OBTAIN INDEPENDENT VERIFICATION OF ITS ACCURACY BEFORE APPLYING IT FOR ANY PURPOSE. -i - I � J 1° II I I I � / SAW CUT LINE 1 I� I SAW CUT NE CONSTRUCTION, IT SHALL BE THE OBLIGATION AND RESPONSIBILITY OF THE 15. UPON COMPLETION OF THE PROJECT, ALL DISTURBED AREAS MUST BE STABILIZED 8128650000 PERMITEE TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY THE AND BMPS REMOVED IF APPROPRIATE. - - - - S89'44'59"E 91.00' ACTIVITIES AND TO PROVIDE ADDITIONAL FACILITIES, OVER AND ABOVE MINIMUM - -- - - - - - - - REQUIREMENTS, AS MAY BE NEEDED, TO PROTECT ADJACENT PROPERTIES AND ---- Cl 4 1 WATER QUALITY OF THE RECEIVING DRAINAGE SYSTEM. --- w 00 I I I 7. APPROVAL OF THIS PLAN IS FOR EROSION/SEDIMENTATION CONTROL ONLY. IT w w ----------------------- --"'----------'------- ----- - w w __ Q z -- - - --------------- ---- ---------� w o ---- - --------- ------�---- - ------------ ---- -- _ j w ---------------- ------ - ------ --- - _____ r w -- ---- __ ---- w -------------------------- ------------ - _ w w--- -------------- ----- ------ ------------------------- I DOES NOT CONSTITUTE AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE NOR I '�' oO I I ``' I LOCATION OF PIPES, RESTRICTORS, CHANNELS, OR RETENTION FACILITIES. I I x W zuzCl W I \;�I� ( �3 F- 1 o I 8. ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL Q I I I �I N L� Q h I I NOT BE DISTURBED FOR TWO DAYS DURING THE WET SEASON (OCTOBER 1ST -------------------I -------- -------- - - - - �---- a W r� -----I - ----------1---- TROUGH MARCH 30TH) OR SEVEN DAYS DURING THE DRY SEASON (APRIL 1ST I I I I I ' I N r= N I I TOUGH SEPTEMBER 30) SHALL BE IMMEDIATELY STABILIZED WITH THE APPROVED EXISTING EXTRUDED CURB ESC COVER METHODS (E.G., SEEDING, MULCHING, PLASTIC COVERING, ETC.). I\ I II I S W U- I I\ I I 9. WET SEASON SEASONAL EROSION AND SEDIMENT CONTROL REQUIREMENTS APPLY TO \ I S89'44'59"E 54.00' I ALL CONSTRUCTION SITES CLEARING BETWEEN OCTOBER 1 AND MARCH 30 " 0 0 0 INCLUSIVE, UNLESS OTHERWISE APPROVED BY THE CITY THROUGH AN ADJUSTMENT -' I i/� r� r� 0 `ti / O / PROCESS. ,�i / / �' N EXISTING E.P. 0000000000 I 00000°0000 I 0000000000 C o' ( 0 J O .� O O 0 O O O O O 10. COVER MEASURES WILL BE APPLIED IN CONFORMANCE WITH APPENDIX D OF THE SURFACE WATER DESIGN MANUAL. \1; O 0 O s O O 0 O 0 Y ( \0000000000 I 00000 r'�J 'O O O O 0 O 0 O 0 O 0' ' O O O O O O O I 00000 11. ANY AREA NEEDING ESC MEASURES, NOT REQUIRING IMMEDIATE ATTENTION, SHALL ( b O O O 0 ; ' O O 0 \O O 0 QIO O O O O O O O \ 1 ° o ° 0 ° o ° O ° 0000000 o BE ADDRESSED WITHIN SEVEN (7) DAYS. ' �C -0-0 s so 000 0 QOO ODO00�0000 =120 I \ ° o 0 o 0 000 °00000 12. THE ESC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A \ o 0 0 0 ° o ° o ° o ° o ° 0 MINIMUM OF ONCE A MONTH OR WITHIN 24 HOURS FOLLOWING A STORM EVENT. I ( I \ ' ' \ o ® \ ° O ° O ° o ° 0 °o°0°0°0 1 I 13 \ ; ; � \ ® ® \� O \ \Q 0 o 0 0 0 0 0 0 0 0 13. AT NO TIME SHALL MORE THAN ONE (1) FOOT OF SEDIMENT BE ALLOWED TO o ACCUMULATE WITHIN A CATCH BASIN. ALL CATCH BASINS AND CONVEYANCE LINES ; ; 1 ( I 000000000 ° o ° o ° o ° o SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALL NOT FLUSH I I \ \ I o O O o CIL / c - W- - -- -- -- ----w - - --- - -- ----- -- -- -- -- - -- - - IRS r' I \ N 00Lo II R --------- 1------ ElI \ / � r /op SEDIMENT -LADEN WATER INTO THE DOWNSTREAM SYSTEM. IP 000000000 0/ J 14. DURING THE TIME PERIOD OF OCTOBER 1ST THROUGH MARCH 30TH, ALL PROJECT ; ; \ / I ° 000000000 ° o ° o ° o ° CE DISTRIBUTED SOIL AREAS GREATER, THAT ARE TO BE LEFT UN -WORKED FOR MORE ; ; ® 00 �� / 00000000 THAN 12 HOURS, SHALL BE COVERED BY MULCH, SODDING OR PLASTIC COVERING. I00000000 �r / PN Ln V 00000 3119900050 i I ^I \ / I °0°0°0°0° I ®� 1 r N 15. ANY PERMANENT RETENTION /DETENTION FACILITY USED AS A TEMPORARY SETTLING o 0 0 0 0 BASIN SHALL BE MODIFIED WITH THE NECESSARY EROSION CONTROL MEASURES AND ' ; =` I 1 0 ° o ° o ° o ° o I / J / h SHALL PROVIDE ADEQUATE STORAGE CAPACITY. IF THE PERMANENT FACILITY IS TO o rn o I ( 000000 o ( / /�/ FUNCTION ULTIMATELY AS AN INFILTRATION SYSTEM, THE TEMPORARY FACILITY r I / 01k MUST BE ROUGH GRADED SO THAT THE BOTTOM AND SIDES ARE AT LEAST THREE ;; z I / l I DC' FEET ABOVE THE FINAL GRADE OF THE PERMANENT FACILITY. F.F. EL 198.E F.F. EL.=200.6 U.- EL.=200.6 F.F. EL.=202.6 F.F. EL.=202.6 * / l / i2, ON fi / / A OTy V Sp ; 16. 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 � � \ II \ / h0 i1.43, ' , 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. 0 13 13 13 13 u RS o I l / CL CLEARING LIMITS. SF INSTALL SILT FENCE PER STANDARD PLAN 214.00 ON SHEET C3. NO RUN OFF FROM SITE SHOULD GO TO ADJACENT PROPERTIES BOTH DURING AND AFTER CONSTRUCTION. CE INSTALL CONSTRUCTION ENTRANCE PER STANDARD PLAN 215.10 ON SHEET C3. IP INSTALL INLET PROTECTION PER STANDARD PLAN 216.30 ON SHEET C3. SP STOCK PILE LOCATION. PROVIDE COVER MEASURES AS NECESSARY. RS REMOVE SIDEWALK. ® REMOVE EXISTING RETAINING WALL. RT REMOVE EXISTING TREE. EXISTING 5' UTILITY --/ EASEMENT PER AFN# 7709060799 - - N89'44'59"W 129.46' El 41 - - -- - - - - -�- - - - - - - - - \ SILT FENCE I / PN T/ 8137900000 e, rr CLEARING LIMITS `-PROPERTY LINE CLEARING LIMITS/SILT FENCE LOCATION NTS Co R-390602