HomeMy WebLinkAboutD-349705O'
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SCALE 1 -- 20 Feet =
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PROVIDE SECOND pqM
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CONSTRUCTION NOTES
-__ SECONDARY
_____ FLOW
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PIPE INVERT ELEVATIONS TAKEN FROM PRELIMINARY SITE
LOG DROPS -` -'- _ `� \ -'
PLAN, NEW LIFE CHURCH, WEST SIDE IMPROVEMENTS.
120
2. SEDIMENT LIMITS AND BASIN BOTTOM ELEVATIONS ARE
2H:7y
APPROX. THE CITY MAY ADJUST THE SEDIMENT REMOVAL LIMITS
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AND DEPTHS AS NEEDED.
YPASS PIPE
2 "CMP IE =121.1
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REMOVE SEDIMENT TO BASE GRADES SHOWN
3. TEMPORARY BYPASS DAM SHALL BE WATER TIGHT SO BASIN
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OR TO TOP OF RIP RAP ON SIDE SLOPES.
CAN BE DRAINED AND SEDIMENT CAN BE DRIED OUT.
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HAND DIG IF NEEDED TO IDENTIFY RIP -RAP.
\
\ BOTTOM OF BASIN r
DO NOT OVEREXCAVATE SIDESLOPES.
SMOOTH BUCKET, NO TEETH.
4. FISH RESCUE IN THE SEDIMENT BASIN SHALL OCCUR
APEX. EL 113 \ ;
USE
IMMEDIATELY AFTER THE BYPASS DAM IS INSTALLED.
UTILITY EASEMENT
C`� �V `V i rl
\
SEDIMENT LIMITS APPROXIMATE.
Ste Note
DOW T�nF I
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SEDIMENT DEPTH APPROX 4 TO 6 FEET.
LY ��''
2
24 "CMP BYPASS PIPE �� - VA��
LOCATION NOT VERIFIES
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120 �V /
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HYDR FED A D STRAW MULCH \p �\ _j
STUR D SL E AND ACCESS ROAD 9�
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A ER B IN CL NING
12'x3' CONC. BOX CULVERT
OVERFLOW SPILLW Y
IE =117.86
NO ACC
UTILITY EASEMENT
See Note
ESS
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P RO
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SIDE
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(\V 24 "CMP BY ASS PIPE
>\ LOCATION OT VERIFIED ' �� 36" CMP INLET
�\ IE = 115.81
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BYPASS PIPE OUTLET
24' CMP \`� �� ��
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GRAVE
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IE = 116.12 � _
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oveRFCOw
—� ANNEf.. (dry)
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36" CMP OUTLET Jj
–_ 16 9
N
IE = 114.47 ��
IF =116.8
SPILLWAY
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UTILITY EASEMENT FROM NEW LIFE CHURCH
8/10/09
SEDIMENT BASIN CLEANING DRAWING
AS -BUILT NOTES
1. 2009 — POND BOTTOM
WAS WET AND MUCKY.
KING CO. RECORDING # 20091007000046
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.
°
..... ...............................
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349705 2011 Cleaning
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RECOMMENDED
FOR APPROVAL
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°�1GN DC
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AS NOTED MORno"r" NpD 19.B''t QL CITY OF
°^�'
6/30/11
MADSEN CREEK SEDIMENT BASIN FlEDB00Ki
„� RENTON
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711x1(
BY Daniel Carey 6/30/10
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Gx =_.x =" DATUM
CLEANING PROJECT
BMEOxEDi
DC RS
nr m« scuF Planning/Building/Public Woks Dept.
SEDIMENT BASIN 1
BY
NO. REVISION BY DATE APPR ^PPFOVEDR.S
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