Loading...
HomeMy WebLinkAboutR-383611FPOSION,/SFDIMFNTATION CONTROL NOTES MAINTENANCE STANDARDS SANITARY SEWER MANHOLE NOTE: FILTER FABRIC FENCES SHALL BE STORM DRAIN MANHOLE MAINTAINED AS NECESSARY TO ENSURE THEIR CONTINUED FUNCTIONING AND OPERATION STORM DRAIN CATCH BASIN JOINTS IN FILTER FABRIC SHALL SPLICED 7. TEMPORARY EROSION CONTROL SEED MIX COMPACTION REQUIREMENT 1. APPROVAL OF THIS TEMPORARY EROSION/SEDIMENTATION CONTROL PLAN (TESCP) DOES NOT AT POSTS. USE STAPLES, WIRE RINGS, OR 2"x2" BY 14 Ga. WIRE OR 1. ANY DAMAGE SHALL BE REPAIRED IMMEDIATELY. WITH THE APPROVED TESCP METHODS (E.G. SEEDING, MULCHING. NETTING, EROSION BLANKETS, 1. SCHEDULE A PRE -CONSTRUCTION CONFERENCE. I ETC,) GRASS SEEDING ALONE WILL BE ACCEPTABLE ONLY DURING THE MONTHS OF APRIL CONSTITUTE AN APPROVAL OF PERMANENT ROAD OR DRAINAGE DESIGN (E.G. SIZE AND LOCATION EQUIVALENT TO ATTACH FABRIC TO POSTS. EQUIVALENT, IF STANDARD POWER POLE WITH DROP&LIGHT -OHP- 2. IF CONCENTRATED FLOWS ARE EVIDENT UPHILL OF THE FENCE, THEY MUST 2. %WEIGHT %PURITY %GERMINATION SUBGRADE SHALL BE COMPACTED IN THE TOP 0.50' TO 95% FLAG CLEARING LIMITS. OF ROADS, PIPES, RESTRICTORS. CHANNELS, RETENTION FACILITIES. UTILITIES, ETC) STRENGTH FABRIC USED ® WATER METER BE INTERCEPTED AND CONVEYED TOA SEDIMENT TRAP OR POND. CHEWINGS OR RED FESQUE 40 98 90 OF ASTM 1557 FOR A CUT SECTION. 2. THE IMPLEMENTATION OF THESE TESCP AND THE CONSTRUCTION, MAINTENANCE, REPLACEMENT EX. ROCKERY ONCE A MONTH OR WITHIN 49 HOURS FOLLOWING A STORM EVENT AND AS THE CITY DEEMS EX. PAVEMENT EX. GRAVEL NECESSARY. 5. INSTALL UTILITIES AND STORM DRAINAGE FACILITIES. PROVIDE CATCH BASIN INLET FIR TREE IF THE UNDERLYING SUBGRADE IS T00 SOFT TO PERMIT AND UPGRADING OF THESE TESCP FACILITIES IS THE RESPONSIBILITY OF THE ;; AT NO TIME SHALL MORE THAN ONE (1) FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE WITHIN A 3. IT IS IMPORTANT TO CHECK THE UPHILL SIDE OF THE FENCE FOR SIGNS OF ANNUAL OR PERENNIAL RYE 40 98 90 COMPACTION OF THE UPPER 6"LAYER, APPLICANT/CONTRACTOR UNTIL ALL CONSTRUC110N IS APPROVED. FILTER FABRIC- DOWNSTREAM SYSTEM. Z THE FENCE CLOGGING AND ACTING AS A BARRIER TO FLOW AND THEN CAUSING FINISH GRADE & PAVE PER PLANS. 11. STABILIZED CONSTRUCTION ENTRANCES AND WASH PADS PER CITY STANDARDS, SHALL BE 8. THE CONTRACTOR SHALL LOOSEN (OR EXCAVATE AND REMOVE), INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE CHANNELIZATION OF FLOWS PARALLEL TO THE FENCE. IF THIS OCCURS, REDTOP OR COLONIAL BENTGRASS 10 92 85 AND COMPACT THE SUBGRADE 3. THE BOUNDARIES OF THE CLEARING LIMITS SHOWN ON THIS PLAN SHALL BE CLEARLY FLAGGED INN 12. DURING THE TIME PERIOD OF NOVEMBER 1 THROUGH MARCH 31ST, ALL PROJECT DISTURBED AREAS 10. INSTALL LANDSCAPING. REPLACE THE FENCE AND/OR REMOVE THE TRAPPED SEDIMENT. THAT ARC TO BE LEFT UNWORKED FOR MORE THAN TWO (2) DAYS SHALL BE COVERED BY 11. UPON FINAL SITE STABILIZATION, CLEAN SITE AND REMOVE REMAINING EROSION AND UNTIL THE TOP LAYER CAN MEET COMPACTION REQUIREMENTS. THE FIELD 13. ANY PERMANENT RETENTION DETENTION FACILITY USED AS A TEMPORARY SETTLING BASIN SHALL HE MODIFIED WITH THE NECESSARY EROSION CONTROL MEASURES AND SHALL PROVIDE STANDARD STRENGTH ADEQUATE STORAGE CAPACITY AND SHALL BE CLEANED OUT ENTIRELY WITH PROPER PRIOR TO CONSTRUCTION. DURING THE CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND THE DISCHARGE OF WASTEWATER (I.E. SANITARY DISCHARGE). IF THE PERMANENT FACILITY IS TO 4. SEDIMENT MUST BE REMOVED WHEN THE SEDIMENT IS 6" HIGH. WHITE DUTCH CLOVER 10 98 90 FLAGGED 14. WHERE SEEDING FOR TEMPORARY EROSION CONTROL IS REQUIRED, FAST GERMINATING GRASSES \y pin 0 4 /�\� SHALL BE APPLIED AT AN APPROPRIATE (E.G. ANNUAL OR PERENNIAL RYE APPLIED AT D e / D d \� CLEARING LIMITS SHALL BE PERMITTED. THE FLAGGING SHALL BE MAINTAINED BY THE APPROXIMATELY 80 POUNDS PER ACRE). \\ 5. IF THE FILTER FABRIC HAS DETERIORATED DUE TO ULTRAVIOLET BREAKDOWN, APPLICATION RATE 120 LB/ACRE 15. APPLICANT/CONTRACTOR FOR THE DURATION OF THE CONSTRUCTION._ Z IT SHALL BE REPLACED. 16. AS CONSTRUCTION PROGRESSES AND UNEXPECTED SEASONAL CONDITIONS DICTATE, AND AS THE 4. THE TESCP FACILITIES SHOWN ON THIS PLAN MUST BE CONSTRUCTED PRIOR TO ALL CLEARING NO a i .I ,, ff / / CATCH BASIN II 1 - AND GRADING ACTIVITIES, AND IN SUCH A MANNER TO INSURE THAT SEDIMENT LADEN WATER / / 19, CN DOES NOT PKITM THE DRAINAGE SYSTEM OR VIO AT APP - L E LICABLE WATER STANDARDS. 6' MAX. MINIMUM 4"x4" TRENCH' 5. THE TESCP FACILITIES SHOWN ON THIS PLAN ARE THE MINIMUM REQUIREMENTS FOR BACKFILL TRENCH WITH ANTICIPATED SITE CONDITIONS. DURING THE CONSTRUCTION PERIOD. THESE TESCP FACILITIES POST SPACING MAY BE INCREASED NATIVE SOIL OR 3/4"-1.5" SHALL BE UPGRADED (E.G. ADDITIONAL SUMPS, RELOCATION OF DITCHES AND SILT FENCES, TO 8' IF WIRE BACKING IS USED WASHED GRAVEL ETC.) AS NEEDED FOR UNEXPECTED STORM EVENTS AND AS THE CITY REQUIRES 2"x4" WOOD POSTS, STEEL FENCE POSTS, REBAR, OR EQUIVALENT 6. THE TESCP FACILITIES SHALL BE INSPECTED DAILY BY THE APPLICANT/CONTRACTOR AND SANITARY SEWER MANHOLE NOTE: FILTER FABRIC FENCES SHALL BE STORM DRAIN MANHOLE MAINTAINED AS NECESSARY TO ENSURE THEIR CONTINUED FUNCTIONING AND OPERATION STORM DRAIN CATCH BASIN INSTALLED ALONG CONTOUR WHENEVER POSSIBLE 7. ANY AREA STRIPPED OF VEGETATION. INCLUDING ROADWAY EMBANKMENTS, WHERE NO FURTHER CONSTRUCTION SEQUENCE F Tl IS ANTICIPATED FOR A PERIOD OF TWO (T2) DAYS, SHALL BE IMMEDIATELY STABILIZED E UTILITY POLE ANCHOR � WITH THE APPROVED TESCP METHODS (E.G. SEEDING, MULCHING. NETTING, EROSION BLANKETS, 1. SCHEDULE A PRE -CONSTRUCTION CONFERENCE. I ETC,) GRASS SEEDING ALONE WILL BE ACCEPTABLE ONLY DURING THE MONTHS OF APRIL POWER POLE WITH DROP&LIGHT -OHP- THROUGH OCTOBER INCLUSIVE. 2. INSTALL SILT FENCE AND CONSTRUCTION ENTRANCE. 8. ANY AREA NEEDING TESCP MEASURE, NOT REQUIRING IMMEDIATE ATTENTION. SHALL BE 3. FLAG CLEARING LIMITS. ADDRESSED WITHIN FIFTEEN (15) DAYS. ® WATER METER �Q WATER VALVE 4. CLEAR AND GRADE SITE WITHIN CLEARING LIMITS. INSTALL ROCKERIES PER PLAN AND 9. THE TESCP FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A MINIMUM OF DETAIL. EX. ROCKERY ONCE A MONTH OR WITHIN 49 HOURS FOLLOWING A STORM EVENT AND AS THE CITY DEEMS EX. PAVEMENT EX. GRAVEL NECESSARY. 5. INSTALL UTILITIES AND STORM DRAINAGE FACILITIES. PROVIDE CATCH BASIN INLET FIR TREE PROTECTION. 10. AT NO TIME SHALL MORE THAN ONE (1) FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE WITHIN A CATCH BASIN. ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO 6. BEGIN BUILDING CONSTRUCTION. PAVING THE CLEANING OPERATION SHALL NOT FLUSH SEDIMENT LADEN WATER INTO THE DOWNSTREAM SYSTEM. 7. FINISH GRADE & PAVE PER PLANS. 11. STABILIZED CONSTRUCTION ENTRANCES AND WASH PADS PER CITY STANDARDS, SHALL BE 8. STABILIZE ALL DISTURBED AREAS. INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT. ADDITIONAL MEASURE MAY BE REQUIRED TO INSURE THAT ALL PAVED AREAS ARE 9, FLUSH & CLEAN STORM DRAINAGE FACILITIES. KEPT CLEAN FOR THE DURATION OF THE PROJECT. 12. DURING THE TIME PERIOD OF NOVEMBER 1 THROUGH MARCH 31ST, ALL PROJECT DISTURBED AREAS 10. INSTALL LANDSCAPING. THAT ARC TO BE LEFT UNWORKED FOR MORE THAN TWO (2) DAYS SHALL BE COVERED BY 11. UPON FINAL SITE STABILIZATION, CLEAN SITE AND REMOVE REMAINING EROSION AND ONE OF THE FOLLOWING COVER MEASURES: MULCH. SODDING OR PLASTIC COVERING. SEDIMENTATION CONTROL MEASURES UPON SITE STABILIZATION. 13. ANY PERMANENT RETENTION DETENTION FACILITY USED AS A TEMPORARY SETTLING BASIN SHALL HE MODIFIED WITH THE NECESSARY EROSION CONTROL MEASURES AND SHALL PROVIDE STANDARD STRENGTH ADEQUATE STORAGE CAPACITY AND SHALL BE CLEANED OUT ENTIRELY WITH PROPER DISCHARGE OF WASTEWATER (I.E. SANITARY DISCHARGE). IF THE PERMANENT FACILITY IS TO FILTER FABRIC GRATE FUNCTION ULTIMATELY AS AN INFILTRATTON OR DISPERSION SYSTEM, THE FACILITY SHALL NOT BE USED AS A TEMPORARY SETTLING BASIN. 14. WHERE SEEDING FOR TEMPORARY EROSION CONTROL IS REQUIRED, FAST GERMINATING GRASSES \y pin 0 4 /�\� SHALL BE APPLIED AT AN APPROPRIATE (E.G. ANNUAL OR PERENNIAL RYE APPLIED AT D e / D d \� APPROXIMATELY 80 POUNDS PER ACRE). \\ 15. WHERE STRAW MULCH FOR TEMPORARY EROSION CONTROL IS REQUIRED, IT SHALL BE APPLIED AT A MINIMUM THICKNESS OF THREE (3) INCHES OR 3,000 LBS/ACRE. 16. AS CONSTRUCTION PROGRESSES AND UNEXPECTED SEASONAL CONDITIONS DICTATE, AND AS THE CITY REQUIRES THE PERMITTEE SHOULD ANTICIPATE THAT MORE TESCP MEASURES WILL BE CATCH BASIN SILT FENCE N.T.S. I 'MAIL 80X; ` BLDG � ; POWE y i 4 OWER -- ANSFORMER T \ r'=404` -A - SYS,T�M HEADS , EX SSMH > 1S RIM.=397,1-^\ to o WI NECESSARY TO PROTECT ADJACENT PROPERTIES AND ENSURE MINIMUM WATER QUALITY FOR SITE i N v p p d / / �` I04 RUNOFF, IT SHALL BE THE RESPONSIBILITY OF THE PERMITTEE TO ADDRESS DEFICIENT TESCP /\, ' " � d a CONDITIONS AND PROVIDE ADDITIONAL FACILITIES, OVER AN ABOVE MINIMUM REQUIREMENTS OUTLINED ON THE APPROVED PLANS. NOTE: ONLY TO BE USED WHERE PONDING OF WATER ABOVE pp_m' 17. FILTER FABRIC FENCE SHALL BE USED WHERE NOTED ON THE PLANS OR AS DIRECTED BY THE THE CATCH BASIN WILL NOT CAUSE TRAFFIC PROBLEMS AND CITY. (SEE STANDARD DETAIL AND INSTALLATION NOTES IN KCSWDM). WHERE OVERFLOW WILL NOT RESULT IN EROSION OF SLOPES. 1 MAINTENANCE STANDARDS: 1. ANY ACCUMULATED SEDIMENT ON OR AROUND THE FILTER FABRIC PROTECTION SHALL BE REMOVED IMMEDIATELY. SEDIMENT SHALL NOT BE REMOVED WITH WATER, AND ALL SEDIMENT as MUST BE DISPOSED OF AS FILL ON-SITE OR HAULED OFF-SITE. ROP° 2BASIN E�IS�1�G CATCH BASAN PROTECTION WILINTENANCE IS L AL. UNLIKE N FAIL SUDDENLY COMPY FORMS OLETELY IFNOTMA NTAINED PROPERLY._ TION /n P.-) RLI GRATE ASS FILTER FABRIC INLET PROTECTION a a � N. T.S. _ - o-� S9 a STABILIZED CONSTRUCTION ENTRANCE MAINTENANCE STANDARDS x <<{ r ° a 1. QUARRY SPALLS (OR HOG FUEL) SHALL BE ADDED IF THE PAD IS NO LONGER 277-1 ° IN ACCORDANCE MTH THE SPECIFICATIONS. 6 G ?9.36 _ w 2. IF THE ENTRANCE IS NOT PREVEN77NG SEDIMENT FROM BEING TRACKED 79.35 - R=25' a OF ONTO PAVEMENT, THEN ALTERNA77VE MEASURES TO KEEP THE STREETS FREE 79.29 (OPTIONAL) 2 VIN as P �P. OF SEDIMENT SHALL BE USED. THIS MAY INCLUDE STREET SWEEPING, AN O R INCREASE IN THE DIMENSIONS OF THE ENTRANCE, OR THE INSTALLA77ON OF A WHEEL WASH. IF WASHING IS USED, IT SHALL BE DONE ON AN AREA 4" 8" QUARRY SPALLSrOE F EGR� COVERED W7TH CRUSHED ROCK, AND WASH WATER SHALL DRAIN TO A 51 SEDIMENT TRAP OR POND. AS PER KING COUNTY ROAD STANDARDS, DRIVEWAYS SHALL BE PAINED TO THE EDGE 3. ANY SEDIMENT THAT IS TRACKED ONTO PAVEMENT SHALL BE REMOVED _ OF R -O -W PRIOR TO INSTALLATION OF THE IMMEDIATELY BY SWEEPING. THE SEDIMENT COLLECTED BY SWEEPING SHALL - CONSTRUCTION ENTRANCE TO AVOID BE REMOVED OR STABILIZED ON SITE. THE PAVEMENT SHALL NOT BE CLEANED 0 - APARTMENTS .6' 1 --_ Ono 1 v_:. - - J - - - - - - -- - _SILT F€N , oo ' \ h V- LIMIT OF CLEARING (TYP) (TYP) ------(SEE DETAIL 12' REAR- YARD_SHIE"� cD O) \"v, � ,�I /OD A c�. 20' X 50' CONSTRUCITON \\ (^ ENTRANCE I (SEE DETAIL THIS SHE i I I l a X % 14" i aUMiT F C LEARING(TYP) Lo CLEARING LIMIT Li / r Z jo '' ^^ w �°j pV/ O T� O% � SILT FENCE Im O `o \394 \ \ z o /�h � \\ \ O C A ___ ----J ' - 20' FRONT- -YARD BSBL - - � N �'?OVIDE CATCH BASIN' /- - - - - PROTECTION(TYPj �` SEE DETAIL rtHIS SHEET EL_� SS5 , i PROVIDE TEMPORARY PLUG. P OF BOARD I gg r „ DO NOT ALLOW WATER TO I ' - " 11 LF RkIN _DEN /fSEE DETAIL SHEET -2) ENTER INFILTRATION FACIUTY 1 _ - / UNTIL AFTER SITE HAS BEEN - BOTTOM EL. = 394.6s a i STABIUZED AND CLEANED. AS 34LF SSSS _4 EX. GAS / STUB POWER S VAULT 7- 4 _ __ _._- x -x -x -x -x -x -x Ll _ -- < 5 51DEWALK d9�tX. ��WA 4C EX. DRIVEWAY - ` k, 9a so _� "'"-I SD 9.5 DEDtCA ON 0 PUBLIC - / m v rOR RIGHT OF WAY D LEGEND S ® SANITARY SEWER MANHOLE 0 STORM DRAIN MANHOLE ® STORM DRAIN CATCH BASIN EX. CULVERT POWER TRANSFORMER F Tl CABLE TV RISER E UTILITY POLE ANCHOR � UTILITY POLE POWER POLE WITH DROP I POWER POLE WITH DROP&TBOX POWER POLE WITH DROP&LIGHT -OHP- OVERHEAD POVER T EXISTING SIGN ❑ TELEPHONE RISER o MAIL BOX FIRE HYDRANT ® WATER METER �Q WATER VALVE �a WOOD FENCE (WDF) -x-x- CHAIN LINK FENCE (CLF) C: C EX. ROCKERY EX. PAVEMENT EX. GRAVEL EX. CONCRETE FIR TREE CEDAR TREE ALDER w WADER MAiM s APROXM. to I-OCAT -- - - _- DRIVEWAY PORTION OF SIDEWALK ----- - - - --- --- -- '` N88.40'51 "E - -TO BE 3.AW.. Ct1T C1t1T AND - REPLACED WITH A NEW SIDEWALK ROAD DAMAGING OF THE ROADWAY BY WASHING DOWN 77-1E STREET, EXCEPT WHEN SWEEPING IS INEFFECTIVE AND � Pl=TRnVlTtq_KY__.._-- THERE IS A THREAT TO PUBLIC SAFETY. lF NECESSARY TO WASH THE - --- IT IS RECOMMENDED THAT THE STREETS, THE CONSTRUCTION OF A SMALL SUMP SHALL BE CONSIDERED. -- -- - - - - ENTRANCE BE CROWNED SO THAT THE SEDIMENT WOULD THEN BE WASHED INTO THE SUMP. go RUNOFF DRAINS OFF THE PAD -- 4. ANY QUARRY SPALLS THAT ARE LOOSENED FROM THE PAD AND END UP ON THE ROADWAY SHALL BE REMOVED IMMEDIATELY. GRAVEL CONS TRUC TION ENTRANCE - NOT TO SCALE 5. IF VEHICLES ARE ENTERING OR EXITING THE SITE AT POINTS OTHER THAN CHECKED FOR COMPLIANCE TO CITY STANDARDS THE CONSTRUCT70N ENTRANCE(S), FENCING (SEE SECT70N D.4.1) SHALL BE ti, ` 5 < 5 OHP OHP INSTALLED TO CONTROL TRAFFIC. -- - - a - - _oHp �- - QHP - - REVISIONS NO. I DATE REVISIONS COMMENTS REVISIONS NOTE: CALL I-800-424-5555 BEFORE YOU DIG PREPARED BY N88'40'51 "E _-- N) 5 < R-38361 1 GRAPHIC SCALE 20 0 10 20 40 ( IN FEET ) 1 inch = 20 ft. SHEET TITLE 8627 NE 180th St. �R 0 F � A K A �A�NT M E T A N S T E Y BOTHELL, WA 98011 �p PHONE: (206) 303-7639 CLIENT: T . � 'S.C. � VLADIMIR DROFIAK � V � ENGINEERING Fax: (425) 486-0267 15012 SE 253RD PLACE NOTES AND DETAILS EMAIL: benanstey@juno.com coviNCTON, wa 98042 BURIED UTILITIES IN AREA CALL BEFORE YOU DIG 1-800-424-5555 EXISTING UTIU71ES SHOWN ARE FROM THE BEST AVAILABLE INFORMATION AND NO GUARANTEE IS MADE AS TO THE EXACT SIZE, TYPE, LOCATION OR DEPTH.