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Home My WebLink AboutR-373302EROSION CONTROL NOTES Ch 1. THESE NOTES SHALL APPEAR FOR PROJECTS - SITE IMPROVEMENTS, SURFACE 15. ANY PERMANENT RETENTION /DETENTION FACILITY USED AS A TEMPORARY SETTLING BASIN SHALL Nt WATER UTILITY, WASTEWATER UTILITY, WATER UTILITY, AND TRANSPORTATION PLANS: BE MODIFIED WITH THE NECESSARY EROSION CONTROL MEASURES AND SHALL PROVIDE ADEQUATE 2. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A STORAGE CAPACITY. IF THE PERMANENT FACILITY IS TO FUNCTION ULTIMATELY AS AN INFILTRATION PRE- CONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON, SYSTEM, THE TEMPORARY FACILITY MUST BE ROUGH GRADED SO THAT THE BOTTOM AND SIDES O PUBLIC WORKS DESIGN ENGINEER. ARE AT LEAST THREE FEET ABOVE THE FINAL GRADE OF THE PERMANENT FACILITY. O 3. THE BOUNDARIES OF THE CLEARING LIMITS AND AREAS OF VEGETATION PRESERVATION 16. PRIOR TO THE BEGINNING OF THE WET SEASON (OCT. 1), ALL DISTURBED AREAS SHALL BE AS PRESCRIBED ON THE PLAN(S) SHALL BE CLEARLY FLAGGED BY SURVEY TAPE OR FENCING REVIEWED TO IDENTIFY WHICH ONES CAN BE SEEDED IN PREPARATION FOR THE WINTER RAINS. IN THE FIELD PRIOR TO CONSTRUCTION IN ACCORDANCE WITH APPENDIX 'b" OF THE SURFACE DISTURBED AREAS SHALL BE SEEDED WITHIN ONE WEEK OF THE BEGINNING OF THE WET SEASON. WATER DESIGN MANUAL AND OBSERVED DURING CONSTRUCTION. DURING THE CONSTRUCTION A SKETCH MAP OF THOSE AREAS TO BE SEEDED AND THOSE AREAS TO REMAIN UNCOVERED PERIOD, NO DISTURBANCE BEYOND THE CLEARING LIMITS SHALL BE PERMITTED. THE CLEARING SHALL BE SUBMITTED TO THE CITY OF RENTON FOR REVIEW. LIMITS SHALL BE MAINTAINED BY THE APPLICANT /ESC SUPERVISOR FOR THE DURATION OF CONSTRUCTION. 4. STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINING 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 Q PAVED AREAS ARE KEPT CLEAN AND TRACK OUT TO ROAD RIGHT OF WAY DOES NOT OCCUR aFOR THE DURATION OF THE PROJECT. 5. ALL REQUIRED SEDIMENTATION /EROSION CONTROL FACILITIES MUST BE CONSTRUCTED AND IN INSTALL FILTER SOCK OPERATION PRIOR TO LAND CLEARING AND /OR CONSTRUCTION TO PREVENT TRANSPORTATION OF W IN EXISTING CB SEDIMENT TO SURFACE WATER, DRAINAGE SYSTEMS AND ADJACENT PROPERTIES. ALL EROSION Q AND SEDIMENT FACILITIES SHALL BE MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH TIME RIM= 167.40 RIM= 154.14 INV= 151.54 (W,N,S) INV= 151.19 (NW) SDMH THAT CLEARING AND/OR CONSTRUCTION IS COMPLETE AND POTENTIAL FOR ON -SITE EROSION HAS INV= 151.OS E) RIM= 154.75 / INV= 151.44 SE) CB INV =144.34(12 "W) PASSED. THE IMPLEMENTATION, MAINTENANCE, REPLACEMENT AND ADDITIONS TO EROSION/ RIM-1 .ss(( }} Ce INV= 144.2415'E) SEDIMENTATION CONTROL SYSTEMS SHALL BE THE RESPONSIBILITY OF THE PERMITTEE. Ste, mNiV= .76(iz "s) RIM= 153.72 APPROXIMATE STORM U) 6. THE EROSION AND SEDIMENTATION CONTROL SYSTEMS DEPICTED ON THIS DRAWING ARE \ c� wv= l4sss(tz "w) o VAULT LOCATION a w INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED SITE CONDITIONS. AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL CONITIONS DICTATE, THE PERMITEE pzc '' a o -/ SHALL ANTICIPATE THAT MORE EROSION AND SEDIMENTATION CONTROL FACILITIES WILL BE 1z" ADS �yA Y NECESSARY TO INSURE COMPLETE SILTATION CONTROL ON THE PROPSED SITE. DURING THE 12" ADS CONC. CURB V COURSE OF CONSTRUCTION, IT SHALL BE THE OBLIGATION AND RESPONSIBILITY OF THE PERMITEE rz"gps 12" ADS 8" Di _ TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY THE ACTIVITIES AND TO PROVIDE SOUTH 20th PLACE w -O SDMH �/ O�- -VA LT ACC SS VAULT ACCESS ADDITIONAL FACILITIES, OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE NEEDED, TO `� ( /�' Ru =1 3s _ - RIM 149603 `/ °a , RIM = 154.42 PROTECT ADJACENT PROPERTIES AND WATER QUALITY OF THE RELIEVING DRAINAGE SYSTEM. INV= 14s.oz s "Nw) INV= 148.98 12 "W iv ti 1 RIM 153.49 SSA -O 15" ADS Q 7. APPROVAL OF THIS PLAN IS FOR EROSION /SEDIMENTATION CONTROL ONLY. IT DOES NOT INV= 148.85 (12 "SE) = CONSTITUTE AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE NOR LOCATION OF PIPES, RESTRICTORS, INV = 148.61 (12 "S) FOUND IRC U) CHANNELS, OR RETENTION FACILITIES. #10381 12 12" Ds 0.06' N b CONC. CUR x 8. ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT BE 0.03' E " - ;. CONIC WALK DISTURBED FOR TWO DAYS DURING THE WET SEASON (OCTOBER 1ST - MARCH 30TH) OR SEVEN DAYS DURING THE DRY SEASON (APRIL 1ST - SEPTEMBER 30TH) SHALL BE ". IMMEDIATELY STABILIZED WITH THE APPROVED ERC COVER METHODS (e.g. SEEDING, rrc MULCHING, PLASTIC COVERING, ETC.). j 9. WET SEASON SEASONAL EROSION AND SEDIMENT CONTROL REQUIREMENTS APPLY TO ALL 0340 FENCE ] 0: RM= 153.15 E CONSTRUCTION SITES CLEARING BEWTEEN OCTOBER 1 AND MARCH 30 INCLUSIVE, UNLESS HOUSE s 16,9 INV= 149.57(12"W) S-- OTHERWISE APPROVED BY THE CITY THROUGH AN ADJUSTMENT PROCESS. RIMI153.51 TO INV 148.79(12 "E) 10. COVER MEASURES WILL BE APPLIED IN CONFORMANCE WITH APPENDIX "D" OF THE SURFACE 15' STORM IBA __ INV - 148.73(12 "N) BE REMOVED WATER DESIGN MANUAL. - EASEMENT 15 INV = 155.79(12 "NE) 11. ANY AREA NEEDING ERC MEASURES, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE I 0 ADDRESSED WITHIN SEVEN (7) DAYS. \.o 0 12. THE ERC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A MINIMUM OF m E 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 \ E�, \� \NG UNDI1C A CATCH BASIN. ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING. #10361 THE CLEANING OPERATION SHALL NOT FLUSH SEDIMENT -LADEN WATER INTO THE DOWNSTREAM SYSTEM. 0.53' 1fi0 INV = 157.44(6 "SE 0.05' 14. DURING THE TIME PERIOD OF OCTOBER 1ST - MARCH 30TH, ALL PROJECT DISTURBED SOIL AREAS, THAT ARE TO BE LEFT UN- WORKED FOR MORE THAN 12 HOURS, SHALL BE COVERED BY MULCH, SODDING, OR PLASTIC COVERING. FILTER FABRIC MATERIAL 60" WIDE ROLLS. USE STAPLES OR WIRE RINGS TO ATTACH FABRIC TO WIRE. 2" BY 2" 14 GA. WIRE FABRIC OR EQUIV. 0260 EXISTING \ HOUSE \ �} w ~mo 2' -6" I I I I I I NOTES: 1. FOR SHEET RUNOFF OR FOLLOWING DISCHARGE FROM A 5' -0" SEDIMENT TRAP OR POND. BURY BOTTOM OF FABRIC _ 4 _ _ _ _ _ _ _ MATERIAL IN 8" BY 12" TRENCH 2. MAXIMUM SLOPE STEEPNESS PERPENDICULAR TO FENCE LINE IS 1:1. I I- 6' MAX � I u u 3. MAXIMUM SHEET OR OVERLAND FLOW PATH LENGTH TO THE FENCE OF 100 FT. 4. IF 50% OR LESS OF THE SOIL, BY WEIGHT, IS FINE PARTICLES FILTER FABRIC MATERIAL SMALLER THAN THE U.S. STANDARD SIEVE NO. 200, THE EOS 6" SHOULD BE EQUAL TO OR SMALLER THAN THE SIEVE SIZE 2" BY 2" BY 14 CT WIRE THAT 85% OF THE SOIL CAN PASS THROUGH. FABRIC OF EQUIV. 5. THE TRENCH SHALL BE BACKFILLED WITH 3/4" MINIMUM 2' -0" DIAMETER WASHED GRAVEL. 5. FILTER FABRIC FENCES SHALL BE REMOVED WHEN THEY HAVE PROVIDE 3/4" - 1.5" 12., SERVED THEIR USEFUL PURPOSE, BUT NOT BEFORE THE WASHED GRAVEL BACKFILL UPSLOPE AREA HAS BEEN PERMANENTLY STABILIZED. IN TRENCH AND ON BOTH SIDES OF FILTER FENCE FABRIC ON 8" MIN. 6. FILTER FABRIC FENCES SHALL BE INSPECTED IMMEDIATELY THE SURFACE. AFTER EACH RAINFALL AND AT LEAST DAILY DURING 2" BY 4" WOOD POST PROLONGED RAINFALL. ANY REPAIRS SHALL BE MADE ALT: STEEL FENCE POSTS. IMMEDIATELY. BRUSH BARRIER oss FILTER FABRIC FENCE DETAIL NTS - FENCE 0.6' S 0.1' E \ tse , EXISTING \ \ l� JB J6, tFOUND IRC HOUSE J I Ij `'.� 0 6 e #10381 FENCE 0.03' E I 0.5' s eo OFFE ENGINEERS �!y ° �� '`�l`� 4Et;r HANSEN SURVEI'IN( Qe.' °ti �•A oeamD. 13932 SOUTHEAST 159TH PLACE - Z . D.L oPPE. P.E. RENTON, WASHINGTON 98058 Po.P�ez "80 D.L OFFE, P.E. PHONE: 425-260-3412 CONTACT: DARRELL OFFE, P.E. fsy /oNA�G na /on /�n1 a N0. REVISION BY DATE APPR w a = � J l � C o O (n o x O I •, 5 Z I` W W Ld Q I �{ C) m �n � Q 2 20' cn 20' w nl W c� 0 z h� NOTE- EXISTING UTILITY LOCATIONS SHOWN HEREON ARE APPROXIMATE ONLY. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO DETERMINE THE EXACT VERTICAL AND HORIZONTAL LOCATION OF ALL EXISTING UNDERGROUND UTILIITES PRIOR TO COMMENCING CONSTRUCTION. NO REPRESENTATION IS MADE THAT ALL EXISTING UTILITIES ARE SHOWN HEREON. THE ENGINEER ASSUMES NO RESPONSIBILITY FOR UTILITIES NOT SHOWN OR UTILITIES NOT SHOWN IN THEIR PROPER LOCATION. CALL BEFORE YOU DIG- 1- 800 - 424 -5555 RIM = 154.84 INV- 144.62 12 "SW) INV= 144.40 15 "W) INV =7 44.40 15 "N 'D MON. IN CASE SITED 8/2013) SSMH RIM= 155.69 INV 150.58 W INV- 150.58 S INV= 150.48 N 10 INV =158.1 SSMH RIM= 159.63 INV= 154.0fi S INV = 154.06 E INV= 153.96 N GRAPHIC SCALE 0 10 20 40 1 inch = 20 feet Date R 3 73 3 02 H _ H Date, y� Date By. Date, �w CITY OF SHATTUCK WEST SHORT PLAT 03/18/2014 SCALE Xp®1e'i' X°1°°'�°°' E9 RENTON TY O ANDREW MICHAEL CONSTRUCTION, LLC �� DATUM planning /Building /Public Works Dept. GRADING /EROSION CONTROL 2005 SHATTUCK AVENUE SOUTH 2 7 Cam: ER❑S I ❑N T J l � C !7 G � '-1 46 Oo x O I •, 5 > `3 I` W W