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HomeMy WebLinkAboutTED4003231.3NI 0 7, 0 U) 0 3: CL :3 CGi cy) c- 'E I zo 0 cv 04 MINIM Am 6 z — — — — — — — — — 1 A k STA 9+47.92,,40' LT CONNECT TO EXISTING CATCH BASIN RIM=410.15 I.E.=403.80 (EXIST. 12- E) I.E.=403.80 (EXIST. 18", W) I.E.=403.80 (NEW 12" CPEP, E) 244'Firi 24 it RE"MOVE EXISTING 20"F RbCKERY/'& RE —GRADE TO STA 8+23-4SHOULDER LE)/EL 0' LT 29 � INSTALL' CATCH BASIN NO. 22 TYPE 2-48 (SEE C.O.R. DETAIL NO. B-01E & BR-02) RIM=417.4 (ADJUST NEW RIM TO GRADE) I.E.=405.68 (NEW 12" CPEP, E&W) CLEARING LIMiTS LE =41C.0 (NEW 12" CPEP, N) (TYP) 00 - ------------- COD ------ 00 30 14 U-i r 0) 1 0 tl 0 z 11 FILTER FABRIC SILT 36"Maple C� TCH FENCE (SEE DEJAIL"I'll, SHT. 18) (TYP) 35 4 Y Y S88t2"I 1 *pE 30"X, Ider 40,"Alder 24"Alde'r AWA 06 CONSTRUCTION SEQUENCE 1. HOLD THE PRE -CONSTRUCTION MEETING. OBTAIN A DEMOLITION PERMIT FOR EXISTING HOUSES. 2. FLAG OR FENCE CLEARING LIMITS. 3. POST SIGN WITH NAME AND PHONE NUMBER OF CONTACT PERSON. 4. INSTALL CATCH BASIN PROTECTION ON EXIST, CB'S ALONG NE 4th ST. 5. GRADE AND INSTALL CONSTRUCTION ENTRANCE(S). 6. INSTALL PERIMETER PROTECTION (SILT FENCE, BRUSH BARRIER, ETC.). 7. CONSTRUCT SEDIMENT POND AND DOWNSTREAM DRAINAGE SYSTEM. 8. GRADE AND STABILIZE CONSTRUCTION ROADS. 9. CONSTRUCT SURFACE WATER CONTROLS (INTERCEPTOR DIKES, PIPE SLOPE DRAINS, ETC.) SIMULTANEOUSLY WITH CLEARING AND GRADING FOR PROJECT DEVELOPMENT. 10. MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH CITY OF SEATAC STANDARDS AND MANUFACTURERS RECOMMENDATIONS, 11. RELOCATE SURFACE WATER CONTROLS AND EROSION CONTROL MEASURES OR INSTALL NEW MEASURES SO THAT AS SITE CONDITIONS CHANGE THE EROSION AND SEDIMENT CONTROL IS ALWAYS IN ACCORDANCE WITH THE KING COUNTY EROSION AND SEDIMENT CONTROL STANDARDS, 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. 13. STABILIZE ALL AREAS THAT REACH FINAL GRADE WITHIN SEVEN DAYS. A PORTION of the N.E. 1/4, SECTION 15, TOWNSHIP 2.3 N., RANGE 5 E., W.M. ­=J ------- ?7740' L;-47H AV NI 447. TA 6+54.87 STA 0+40,5,V,4 T HOOUAM, A W, NE .7 11 t INSULL: BASINO21-TAT o W/ SOLID t0VF-R7 —MOVE 100. /4 Of --------------- 0 6' WIDE RIP RAP EMERGENCY WEIR SPILLWAY OUTLET RISER (SEE DET SHT. 18) A DU 1, -S B %01 STIEVE/V 0* WAS& I IA UN- 0677 VVIIH I-ILILK FAbHIU UN EQUIVALENT DIVIDER SEDIMENT POND REQUIRED SURF. AREA: 1976 SF SURF. AREA PROVIDED: 2015 SF TOP: 77' x 43' @ ELEV. 423.0 W. L.. 65' x 31' @ ELEV. 421.0 BOT: 38' x 4' @ ELEV. 416.5 3:1 SIDE SLOPES (SEE DETAIL SHT, 18) W -ASj&& 'F � rWA No!- 20734 wCcS�QNAA/ L EXPIRES: 3/1/2006 T- -N—S-TREF EXISTING TREES TREES TO BE REMOVED -:/?N40"Fir CLEARING LIMITS v I "A 04-071 amlb.- --------------- T S lot ROAD LE* A S EV' r* N 7 > < 8 li [DOL. 3 0 30' PROPOSED CONTOUR ----------------- +2-2 EXISTING CONTOUR ---------------------------------------------------- _ ... 4-3-4- FILTER FABRIC SILT FENCE TEMP, INTERCEPTOR DITCH R-323110 F FR. C kri fz, F—',4 SEW REVISION to ---T- 04- BY I APPR. I DATE GRAPHIC SCALE 0 20 40 80 ENGINEER: RECOMMENDED FOR APPROVAL DA TE: 3 -d-S7-05 13Y- DATE.• BY.- DATE: 13Y• DATE: Im ( IN FEET ) I IE: 1%,*T rr c) 1 inch = 40' ft. I DEPARTMENT OF PUBLIC WORKS TE MP, EROSION CONTROL PLAN JA F F FNGINFERING JERICHO PLA T 9419 South 204th Ploce DESMED: Jjj DATE: 8/10/04 FILE NAME: Kent, WA. 98031 DRAM: iii Phone No. (253) 850-0934 CHECKED: iii SCALE: 1" 40' FIELD BOOK: PAGE: Fox No. (253) 850-0155 APPROVED: DIRECTOR OF PUBLIC WORKS SHEET: 1-1 OF::22 S #C0 A N Nrn APR 2 2 \ 1� 4 , I zp .>.;I/ 6.2