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HomeMy WebLinkAboutSWP2703497.10') t'MM J 1 N 1 CL Madsen--- �_-INSTALL TEMPORARY YPASS DAM �`ETR� FOR Cf�EE�DIVEf�S ON A `\ N SEE DETAIL p O/ q �----- � X CCESS - _ _ =_``-- •� i---------------------------� �\ ,' FRO DM THIS S PRpVI------� _ I E BYPASS PIPE INLET 24"CMP IE=121.1 est UTILITY EASEMENT See Note c09 a UTILITY EASEMENT FROM NEW LIFE CHURCH 8/10/09 KING CO. RECORDING # 20091007000046 RECOMMENDED FOR APPROVAL BY Daniel Care BY L------ -ToDr-CONC DAM, SUMP, AND -� _COLLECT ----_____ -- --_ONDARY FLOW PUMP �\ _ A - LOG DROPS --- --- -_ �� \�� _ ,1000 o —- ----_ _ 1v • 2H. � - 116 �. . . . . . . . . . . BOTTOM OF BASIN . . . . . : : : : : APPX. EL 113 i \. + \ . . . . . . . ...... i + ACCESS BASIN DOWN . THIS SIDE ONLY ♦ ( ; If 24 CMP BYPASS PIPE LOCATION NOT VERIFIED + 120 X HYDROSEED AND STRAW MULCH DISTURBED SLOPE AND ACCESS ROAD AFTER BASIN CLEANING �j O >� O 24"CMP BYO ASS PIPE LOCATION NOT VERIFIED Ll o ' BYPASS PIPE OUTLET 24" CMP IE=116.12 6 /5 /14 NO. REMOVE SEDIMENT TO BASE GRADES SHOWN OR TO TOP OF RIP —RAP ON SIDE SLOPES. DO NOT OVEREXCAVATE SIDESLOPES. USE SMOOTH BUCKET, NO TEETH. SEDIMENT LIMITS APPROXIMATE. SEDIMENT DEPTH APPROX 4 TO 6 FEET. 0' 2 0' O SCALE 1 "= 20 Feet CONSTRUCTION NOTES 1. PIPE INVERT ELEVATIONS TAKEN FROM PRELIMINARY SITE PLAN, NEW LIFE CHURCH, WEST SIDE IMPROVEMENTS. 2. SEDIMENT LIMITS AND BASIN BOTTOM ELEVATIONS ARE APPROX. THE CITY MAY ADJUST THE SEDIMENT REMOVAL LIMITS AND DEPTHS AS NEEDED. 3. TEMPORARY BYPASS DAM SHALL BE WATER TIGHT SO BASIN CAN BE DRAINED AND SEDIMENT CAN BE DRIED OUT. 4. FISH RESCUE IN THE SEDIMENT BASIN SHALL OCCUR IMMEDIATELY AFTER THE BYPASS DAM IS INSTALLED. 003n� z + D ++ F Cli 12'x3' CONC. BOX CULVERT OVERFLOW SPILLWAY IE =1 17.86 UTILITY EASEMENT Np gC�E55 See Note \ � FROM �S S/DE 36" CMP INLET IE =1 15.81 ,-- - - -_ ___--- _ _,` , MET - -- vtL /ACC SS ROAD -\ 0M 36" CMP OU�LET _ ! ry) -- _` 169 ------ - - 9 \ IE=114.47 \ �� OVERFLOW SPILLWAY IE =116.8 est - � c SEDIMENT BASIN CLLE-A_NING DRAWING REVISION SURVEYED: DESIGNED: DC DRAWN: DC CHECKED: DC / RS BY DATE APPR APPROVED: RS -------------- -- - o D=349701 AS —BUILT NOTES 1. 2009 - POND BOTTOM WAS WET AND MUCKY. EXCAVATOR STAYED ON PAD OF SEDIMENT AND REMOVED MATERIAL TO APPX. EL 113 BY JUDGING THE DEPTH SHOVEL WENT DOWN. APPROX 1000 CY REMOVED. BOTTOM WAS TOO MUCKY TO WALK ON AND SURVEY AFTER WORK WAS FINISHED. 2. 2010 - POND CLEANED TO APPX EL 113. BOTTOM WET, MUCKY DUE TO WATER GETTING PAST DAM OR GROUNDWATER. 3. 2011 - POND CLEANED TO APPX EL 113. BOTTOM WET, MUCKY DUE TO GROUNDWATER. 2014 Cleaning SCALE: AS NOTED HORIZONTAL- N DV01983/1991 �� _ CITY OF 6/5/ 1 4 MADSEN CREEK SEDIMENT BASIN PGLDBOOK: RENTON CLEANING PROJECT ONE INCH \ J V, DRAWING N0: AT FULL SCALE Planning/Building/Public Works Dept. SEDIMENT BASIN IF NOT ONE INCH SCALE ACCORDINGLY SHEET: OF: x 2 IDI-13141917 c`� C �= C �o IDm rn- "z z m cD O D D 0 o 0 0o c mcn D �m m° m cil� "' z z m cn n V� a CD C �0 CDJ CD C n T n 0 py#� m 5 Q C CD CD cnn ' z D B � z