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HomeMy WebLinkAboutTED4003451.6a THE 100— YR FLOODPLA/N FOR THE WETLANDS W1 THIN SENS/7IVE AREA TRACT F, AS DEFINED BY SPECIAL REQUIREMENT 12 OF THE 1998 KING COUNTY SURFACE WATER MANUAL, IS CONTAINED WITHIN SAID TRACT TESC SUPERVISOR MUST DETERMINE AND IMPLEMENT AN EFF C77VE EROSION CONTROL PLAN 7HAT MEETS WATER QUALITY REQUIREMENTS SEDIMENT LADEN WATER SHALL NOT FLOW INTO 7HE WETLAND OR BUFFER POR OF THE NE 1/4 OF THE SE 1/4 & THE SE 1/4 OF THE NE 1/4, ALL IN SEC. 10, TWP. 23 N., RGE. 5 E., W.M. EX. C8 7855 KUU-A—UNtU JWALt UUMV Z. I 8♦29.62, _ - — - -- �J486_0 1 I �r� Igj I IE 12"GONG 503.52 SLOPE PER DETAIL, SHEET 5 TYP r---------------- r r I. __—__-_ _ 16+50, ► o 20 40 so INSTALL 50'--12" TEMPORARY CULVERT SEE Sf�IEET 491.5 SEE S'fIEET' I X : ' i r f �� 1 1 i 81002 ® 4.0.�' MAINTAIN 1 MIN. COVER OVER PIPE 5 .5 486.0 5 EAIS77NG FENCE 6 3 I AA sa • . wA THE GE07ECHNICAL WORK FOR THIS PROJECT SHALL BE ACCOMPLISHED IN ACCORDANCE WITH RECOMMENDATIONS PRESENTED IN THE GE07ECHNICAL ENGINEERING REPORT DATED APRIL 23, 2003 BY ASSOCIATED EARTH SCIENCES, INC. A. STRUCTURAL FILL PLACEMENT SHALL BE CON77N000SLY MONITORED AND APPROVED IN WR177NG BY THE PROJECT GEOTECHNICAL ENGINEER OR ENGINEERING GEOLOGIST. B. AFTER EXCAVA77ON AND PRIOR TO STRUCTURAL FILL OR FOUNDATION PLACEMENT, ALL BEARING SOILS SHALL BE INSPECTED AND APPROVED IN WRITING BY AN EXPERIENCED GEOTECHNICAL ENGINEER OR ENGINEERING GEOLOGIST. C. STRUCTURAL FILL PLACED FOR IMPROVED AREAS SUCH AS PAVEMENTS OR FLOOR SLABS SHALL BE COMPACTED TO AT LEAST 95 PERCENT )F THE MAXIMUM DRY DENSITY BY ASTM TEST DESIGNATION D-1557 (MODIFIED PROCTOR) OR AS RECOMMENDED BY THE PROJECT GEOTECHNICAL ENGINEER OR ENc ',NEERING GEOLOGIST. D. ANY CREATED FILL SLOPE THAT IS 40 PERCENT OR STEEPER AND 10 FEET OR GREATER IN VERTICAL HEIGHT SHALL BE SUBJECT TO A 50—FOOT WIDE BUFFER PLUS A 15—FOOT WIDE SETBACK AREA FROM ITS TOP, TOE AND SIDES THIS BUFFER MAY BE REDUCED TO 10 FEET WITH A SATISFACTORY EVALUATION BY A REGISTERED GE07ECHNICAL ENGINEER OR LICENSED ENGINEERING GEOLOGIST. TO BE REMOVED ALONG r EAST PROPERTY LINE AT COMPLE77ON OF FRONTAGE IMPROVEMEN7Y' SEE SHEET 5 ROCK LINING OF SWALES, THE POND SPILLWAY, 7HE OU7FALL AT CB 46 AND ALL OUTFALL RROTEC7701V PADS SHALL BE QUARRY SPALLS WI7H GRADA 770N AS FOLLOWS. PASSING 8—INCH SQUARE SIEVE. 100X PASSING 3—INCH SQUARE SIEVE. • 40-60X MAXIMUM PASSING 314—INCH SQUARE SIEVE. 0-10X MAXIMUM CSWPPP NOTES ALL POLLUTANTS, INCLUDING WASTE MATERIALS AND DEM0LI71ON DEBRIS, THAT OCCUR ONSI TE SHALL BE HANDLED AND DISPOSED OF IN A MANNER THAT DOES NOT CAUSE CON TAM1NATION OF STORMWATER. GOOD HOUSEKEEPING AND PREVENTA77VE MEASURES WILL BE TAKEN TO ENSURE THAT THE SITE WILL BE KEPT CLEAN, WELL ORGANIZED, AND FREE OF DEBRIS. NO POLLU77ON PRODUCTS ARE TO BE STORED ON THE SITE UNLESS A PLAN IS SUBMITTED AND APPROVED BY KING COUNTY DDES, A DETAILED LIST OF PERSONS SHALL BE SUBMITTED TO KING COUNTY DDES PRIOR TO ANY CONSTRUCTION AC77WTY ON THE S17E INCLUDING THE TESC SUPERVISOR AND PERSONNEL RESPONSIBLE FOR THE PROPER REFUELING OF CONSTRUCTION EQUIPMENT AND CONTAINING ANY CONCRETE WASHOUT FACILITY. PORTABLE SANI TA 77ON FACIL177ES WILL BE FIRMLY SECURED, REGULARLY MAINTAINED, AND EMPTIED WHEN NECESSARY. SOLID WASTE WILL BE STORED IN SECURE, CLEARLY MARKED CONTAINERS SEE SEPARA 7E PLANS PREPARED BY ASSOCIA TED EARTH SCIENCES, INC FOR MSE AND ROCK WALL DESIGN DETAILS. ESC SUPERVISOR /S AARON KOPET (425) 241-8711 ADD/7701VAL EROSION CONTROL MEASURES MAY BE REQUIRED AS DEEMED NECESSARY BY THE CITY OF REN TON INSPECTOR LOCOF EXISTING UTILITIES SHOWN IS APPROX/MA TE AND MAY NOT BE ACCURA TE OR ALL INCLUSIVE IT IS THE CONTRACTOR'S RESPONS/BILITY TO FIELD VERIFY LOCA77ON OF U77LI77ES PRIOR TO PROCEEDING W7H CONS7RUC770N. YOU MUST CALL 1-800-424-5555 NOT LESS THAN 2 FULL BUSINESS DAYS BEFORE BEGINNING EXCA VA 77ON WHERE ANY UNDERGROUND U77LI77ES MAY BE LOCATED. FAILURE TO DO SO COULD MEAN BEARING SUBSTANTIAL REPAIR COSTS Chec ed for Compliance to City Standards l�Jah7,0-L 1 ZA Zotz- TRIAD ASSOCIATES 12112 115th Ave. NE Kirkland, WA 98034-6929 425.821.84" 425.821.3481 fax 800.488.0756 toll free www. triadassociates.net N ~ g : s z O y; S � h e RICHARD A. TOMKIn PE PROJECT MANAGER MARK S HARRISON, PLS PROJECT SURVEYOR RICHARD A. TOMKINS, PE PROJECT ENGINEER A PREY L COX ASLA PROJECT LANDSCAPE ARCHITECT FIRST SUBMITTAL DATE: 8120107 SCALE: Hum: 1 =4o' vizr.: N/A r STAMP NOT VALID UNLESS SIGNED AND DATED IJOB NO. 01_ 047 SHEET NO. 6 OF 21 �y z zz w � coo 7� o O m C) ' W -o C- w 06 ', (-�- 34 5 / a-- �'. Q 2012 TRIAD ASSOCIATES