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SW 1/4, NE 1/4, SECTION 32, T23N, R5 E, WM
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DETENTION VAULT CONSTRUCTION NOTES:
LE
O1 ACCESS PORTAL WITH LOCKING MANHOLE FRAME AND COVER SEX CBS 90
PER KING COUNTY STD DWG NO'S 2-022 & 2-023.
MARK COVERS WITH OSHA "CONFINED SPACE" WARNING
12" RISER
O2 PRESTRESSED HOLLOW CORE PLANKS.
68,00. ORIFICE ELBOW
PER KING CO STD
4,0 O3 LADDER RUNGS AT EACH ACCESS PORTAL - DWG NO 2-025
FIN GRADE E1s404.0 FIN GRADE EL=405.0 ORIFICE )I2
O4 4" PERFORATED PVC PERIMETER FOOTING DRAIN 12'11) PIPE
ENVELOPED WITH 1/2--1 /2 WASHED DRAIN ROCK.
\ i O5 PCC FLOOR SLAB INLET FROM
`' `
12'SO � / �� / \ -�
Sm0.00X }1TYP1,___________________s DETENTION VAULT
__________--- 1
O6 PROVIDE KNOCKOUTS FOR INLET AND OUTLET STORM PIPES
CB #ry 6 5'x5' PASS THRU \♦ TYPE 2 54' DIA CS
FLOW CONTRA. STRUCTURE // BAFFLE WALL \� O 5'x10' ACCESS HATCH, UTILITY VAULT CO. HATCH
NO. LW-HD-HS25 OR EQUAL. "
24' CIA ACCESS
WITH LADDER PLAN
G> - _-____________________
/ A
FIN GRADE EL-404.0 6.50' FlN GRADE EL=405.5 _ ROUND SOLID LOCKING
12'SD IN COVER MARKED 'DRAIN"
FROM CB #2 EIEV=404.40
PLAN z ALUM. CLEANOUT GATE
LIFT ROD
SCALE: 1"=10' m I NOTE " s
OVERFLOW ELEV=40i.20
THESE PLANS INTENDED FOR GEOMETRIC
REPRESENTATION ONLY. SEE STRUCTURAL PLANS ORIFICE NO. 2
FOR ACTUAL VAULT CONSTRUCTION. GA E SUPPORT.TOR IMBEDDED oA=15/1s~
2' IN WALL AT MAX. 3' SPACING,
12 SD OUTLET 12' SD INLET
ELEV=389.
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Do
- - 2
ELEV-403.00
I I fl` I1 ill'i III III IIl�il �I i i l; i f i l l i l' I ii; iIt i j, I
MAX W.S. SIV-401.35
_
f00 YR OVERFLOW
66.00'
a
IEm398.72
LIVE STORAGE 12'SD PIPE IN
M
FROM CD #2
12'SD PIPE OUT 70
CONTRA. STRUCTURE
MIN W.S. ELEVm383.20
DEAD STORAGE
5
a
IE=393.20
SHEAR GATE CLEF
PER KING CO TO
DWG NO 2-026
STEEL
RESTRICTOR PLATE
W/ 1 31W DIA ORIFCE
ORIFICE TO BE SHARP EDGED ELEVATION
SHOP DRILLED.
NO SCALE
2 CB #1 - TYPE 2 54" 0
W/ FLOW CONTROL STRUCTURE
REF: KING CO STD DWG NO 2-025
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PERMIT SET
REVISIONS: APPD.
DATE: JLUTY 13, 2005
DESIGN: RMF
DRAWN: CLK
>
CHECKED:
REVISION
5
NUMBER:
DEAD
STORAGE
EEV-389,00
5°/;✓
'+
SCALE: AS NOTED
PROJECT NUMBER:
4
TCAXOOOOOnm
SECTION A -A SECTION B-B DRAWING FILE`
SCALE: H:1"=10' V:1-=2' SCALE H:1"=10' V:1'=2� i ECIM0057CAX00000007
4i SHEET N0.
1 DETAIL -DETENTION VAULT
SCALE: AS NOTED �- ��
a OF 7
R-439013