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HomeMy WebLinkAboutPreliminary TESC & Demolition PlanSECTION 5 T. 23 N. R. 5 EelFINLEY SHORT PLAT 1� 1/4 ®F NE �/� OF, WMv STATE OF WASHINGTON CITY OF RENTON, EROSION CONTROL GENERAL NOTES 1. APPROVAL OF THIS EROSION AND SEDIMENTATION CONTROL 0 (ESC) PLAN DOES NOT CONSTITUTE AN APPROVAL OF PERMANENT ROAD OR DRAINAGE DESIGN (E.G., SIZE AND LOCATION OF ROADS, PIPES, RESTRICTORS, CHANNELS, RETENTION FACILITIES, UTILITIES, ETC.). _._-__: _.�_.......:_.._..,_.-. .:..._._�_«�__..».-----•-_ _.._-_._._.___....--------- _................__.,.__:...------..__..-- ' 2•THE IMPLEMENTATION OF THESE ESC PLANS AND THE CONSTRUCTION, MAINTENANCE REPLACEMENT, AND UPGRADING OF THESE ESC FACILITIES IS THE RESPONSIBILITY OF THE CONTRACTORS ESC SUPERVISOR UNTIL ALL CONSTRUCTION IS APPROVED. s 3.ALL REQUIRED SEDIMENTATION AND EROSION CONTROL FACILITIES MUST BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING AND/OR OTHER CONSTRUCTION AND DEMOLITION ACTIVITIES9 TO PROPERTIES OR THE _ NATURAL DRAINAGE WAYS. ALL EROSION AND SEDIMENT FACILITIES SHALL BE MAINTAINED INA � • j SATISFACTORY CONDITION UNTIL SUCH TIME THAT% CLEARING AND OR CONSTRUCTION z AND DEMOLITION IS COMPLETED AND POTENTIAL FOR ONSITE EROSION HAS PASSED. s g THE IMPLEMENTATION, MAINTENANCE, REPLACEMENT AND ADDITIONS TO EROSION /SEDIMENTATION CONTROL SYSTEMS SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR. 4.THE SEDIMENTATION AND EROSION CONTROL FACILITIES DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM RQUIREMENTS TO MEET ANTICIPATED SITE CONDITIONS. 4 AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS : DICTATE THE CONTRACTOR SHALL ANTICIPATE THAT MORE EROSION AND SEDIMENTATION CONTROL FACILITIES WILL BE NECESSARY TO INSURE COMPLETE SILTATION CONTROL ON THE PROPOSED SITE. DURING THE COURSE OF CONSTRUCTION, IT SHALL BE THE OBLIGATION AND RESPONSIBILITY OF THE CONTRACTOR TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY HIS ACTIVITIES AND TO PROVIDE PROT ADDITIONAL FACILITIES, OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE NEEDED TO PROTECT ADJACENT PROPERTIES AND WATER QUALITY OF THE RECEIVING �s DRAINAGE SYSTEM. THE IMPLEMENTATION, MAINTENANCE REPLACEMENT AND / ^ i t ADDITIONS TO THESE CONTROL SYSTEMS SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR. Uj ` ROCK RETAINING WALL EX. CONCRET`,E 5.ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT _ TO BE REMOVED, TYP. TO BE REMOVED, TYP. BE DISTURBED FOR TWO DAYS DURING THE WET SEASON (OCTOBER 1 THROUGH �W ' ' EX. PROPERTY MARCH 30TH) OR SEVEN DAYS DURING THE DRY SEASON (APRIL 1ST THROUGH CONTRACTOR .., -=y LINE C COVER - LAYDOWN AREA SEPTEMBER 30 SHALL BE IMMEDIATELY STABILIZED WITH THE APPROVED ES r :�: .afi+Y ?K. - _ s ^Y �• _ _fi • :_7•{c:5 fes:.^._ � / , » — '� g -tea _. »»_��...._. ..... .__. . ....... .... . _. _- ,::..... » ...::._...... ........-.._" .__ -"• .. rr�4:r''1�%"". v�::::f=,-,:.:---.::... / - .a,�. wd! - y�-"' --r- -r <s:,-.'�`Y..�d-. ._..- .. s,� -�-•• .��� _.,�� t. � ._ �...-:�.�::�..�. , ,.�.,�.._�..�._ r" __. ��- w WOODEN SHED COVERING, ETC.. _..._. `_� MULCHING PLASTIC CO .�.._ -. METHODSEEDING ) _ ._.... _.�.__ » (E.G.,( � // `AA. �—�'-:,. ---» .-µ^',`Vi•-�^,"`..; ,-- /-.�... -� ��.���,-=-= TO BE REMOVED w _. , : { APPLY TO __. __ _� __ . REQUIREMENTS A --T._ : - _ - _ _».._...._.,�.: _. _ : »..__.... °�. 8 27 __ t ON TR OL - - __ �........ �._ �.� _ __ _ _ _ - _ ....._.�__... _ T SEASON SEASONAL EROSION AND SEDIMENT C Q _ _ _ -- - z - 6 '. - MARCH 30 INCLUSIVE `� ALL CONSTRUCTION SITES CLEARING BETWEEN OCTOBER 1 AND � ' i CHAIN—LINK FENCE -_�ti ` _ _.� r GH AN ADJUSTMENT PROCESS. ~" APPROVED BY THE CITY THROUGH �..% Y� LESS OTHERWISE _.__._ - UN % �. % „ ,= ---.w:, � l�> �..' '` � �`-�` WOOD ��FE�I�E i » » „- ; - TFC••'_ -BE REMOVED, TYP. �� F �- ,^ &•Typo : i / =: _ TO 'B•E- REMOVED , NDIX D OF THE KING ------....... APPLIED IN CONFORMANCE WITH APPE i / - 7. COVER MEASURES WILL BE / -"��� ._. -. µ GATE `� .:� e COUNTY SURFACEWATER DESIGN MANUAL, CURRENT EDITION. i ;. ,t - ! _ �:'�: ..::- ,:.a •�,' .. -:� ,_ '-,- i i > r AREA NEEDING ESC MEASURES, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE 3, ; 8. AN Y , ; ,^ i k - EX. TREE a ..1 11 { r ..sy.4 � s' •'v •, X i -ti d i` TO BE REMO �3 - _ �, Y.E .� S. , •. AY SEVEN , SE _ SED WITHIN _ RES •, '-� D t. , AD / _ i' !,. f l r•, I A,l r t s' •as:/ i h i. ire�•'.!'v'v'''� E ESC FACILITIES INACTIVE VE S TE S SHALL E INSPECTED AND MAINTAINED f f __ ._. «..__-_ ° -_... ........�.( �.,.... .._,�_--MINIMUM OF ONCE A MONTH OR WITHIN 24 HOURS FOLLOWING A STORM EVENT. ....... ...... ._ ..j , '. ...s. � .,... t ' '\ .{ •> .y ". i> i ,4 Ari _ T OF SEDIMENT BE ALLOWED TO ; ✓ __ .._._- -- ._------______- ...__..__ ._.»_-•_---____-- _ 10. AT NO TIME SHALL MORE THAN ONE(1)FOO THE CLEANING OPERATION SHALL NOT FLUSH _ _......._._ ACCUMULATE WITHIN A CATCH BASIN. ; CARiQRTS ` j /� '._ TO B� --REMOVED \ WATER INTO THE DOWNSTREAM SYSTEM. �t- , _ 4 i! SEDIMENT LADEN -'-- FI LD VERIFIED BY CO NTRACTOR �; ,� ��;� ,n o Ln ,��� `; -% 11. ALL INLET PROTECTION LOCATIONS ARE TO BE E ROTECTION MAY BE REQUIRED IN ;