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5'x10' GALVANIZED STEEL GRATE I
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, A
HS-20 LOADING W/ 2 SETS OF HANDHOLDS
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TOP OF GRATE ELEV = 409.20
1
15' WIDE GRAVEL ACCESS PAD,
C7
6" COMPACTED DEPTH, W/ LARGE
-
BOULDER TO RESTRICT ACCESS
SEE DETAIL, SHEET C-12 \'
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CB 5 TYPE 1
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ACTS AS SECONDARY
OVERFLOW IF DISCHARGE
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PIPE CLOGS.
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BECLAN PLACE
A PORTION OF THE NW 1/4 OF THE
NE Y40F
SEC.
15, TWP. 23N., RGE. 5E., W.M.
CITY OF RENTON,
KING
COUNTY,
WASHINGTON
cfI I
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+ � I
LOT 17
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A
0'
i
398.95
398.95
<I
" SLOPE _
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\210
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0
_ T=398.95 \
6=392.75 TB_39�8:95 398.59 I
CELL 2
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11 � I II 398.
CELL Ill
/ n
tcnHA
NE 2ND AVENUE
CB 8 TYPE 2, 48" 0
2:1
SEE SHEET C-8
MAX
OVERFLOW ELEVATION TO -
PROVIDE DETENTION & OIL
SEPARATION PER PLANS
1" WIDE RECTANGULAR
NOTCH WIER, EL=405.38 (N)
LOT 10
BAFFLE WALL, BOTTOM OF WALL = 395.5
TOP OF WALL = 404.75
12"0 INLET DIFFUSER
IE=396.0, SEE DETAIL 1,
THIS SHEET
�16 LF 12"0 ® 2.38%
CB#3 TYPE 2, 48"0
SEE SHEET C-8
IE=396.38, 12"0 OUT (W)
ACCESS MANHOLES AND
HANDHOLDS/LADDER
/j CB 2 TYPE 2 48"0 -
SEE SHEET C-6
O / 5'x10' GALVANIZED STEEL GRATE
-C EX. 12"0 SD ® 0.79% HS-20 LOADING W/ 2 SETS OF HANDHOLDS
(SHY CREEK INSTALLED) TOP OF GRATE ELEV = 409.20
TRACT A
DETENTION WETVAULT
PLAN VIEW
SCALE: HORZ: 1"= 20'
VERTICAL DATUM
CITY OF RENTON, NAVD 88
CONTROL STRUCTURE FLOW
RISER W/ RESTRICTOR SEE
DETAIL 2, THIS SHEET
1OLF 12"0 ® 1.0%
CB#1 TYPE 2, 48"0
SEE SHEET C-6
IE=398.85, 12"0 CPEP IN (N)
15' WIDE GRAVEL ACCESS PADS,
6" COMPACTED DEPTH, W/ LARGE
BOULDER TO RESTRICT ACCESS
BENCHMARK
CITY OF RENTON BENCHMARK #2104. 1" IP W/PLUG &
TACK DOWN 0.9' IN CASE LOCATED AT THE INTERSECTION
OF SE 136TH ST. AND 144TH AVENUE SE. ELEV.=399.340
w FEET (121.719 METERS)
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PIPE SUPPORT(S):
3"x .075" ALUMINUM
OR .079" STEEL
BOLTED OR EMBEDDED
2" IN WALL AT 3'
SPACING.
(SEE NOTE 6)
1' SECTION OF PIPE
ATTACHED BY
GASKETED BAND TO
ALLOW REMOVAL
RESTRICTOR PLATE
WITH 1.24"0 ORIFICE
EL=396.95
INLET DIFFUSER
SCALE: 1" = 1'
EL=410.20t
OUTLET
12"0 CMP
4 n". A n" M MI Trr
E 3/8"
:D BOLTS FOR
JCE
EL=410.00_t HANDHOLDS, STEPS OR LADDER,
SEE KCRS DWG NO. 2-006
d
d
DESIGN WSE
F -J
ELBOW RESTRICTOR
12"0 CMP RISER W/RESTRICTOR PLATE WITH
1.96"0 ORIFICE (NW)
EL=403.67
(SEE NOTE 7)
LIFT HANDLE
IE=398.95
2'-0"ul
MIN
398.25
0.50%
4 d
a 4"
GRAPHIC SCALE
20 0 10 20 40
( IN FEET )
1 inch = 20 ft.
nn10VABLE WATER
iT COUPLING OR
NGE
6" MAX
L J
6" MAX
RESTRICTOR PLATE
WITH ORIFICE
ELBOW RESTRICTOR DETAIL
NTS
0.50% SLOPED BOTTOM
398.25 ° a
RECTANGULAR WEIR PIVOTING SHEAR GATE 8"0
ELBOW RESTRICTOR -
a
d d,d
a
FLOW CONTROL SER SUMP
PIVOTING SHEAR GATE a
8"0 UNLESS OTHERWISE
SPECIFIED, (SEE DETAIL E:=
SHT C-12) a a
FLOW CONTROL RISER SUMP - 4' d
BASE SECTION TYPE 2-54"0 CB,
NO KNOCKOUTS, REBAR AND a�
0
DOWELED TO BOTTOM SLAB CELL
2, (SEE STRUCTURAL DESIGN)
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N
NOTES PLAN VIEW
1. OUTLET CAPACITY: 100-YEAR DEVELOPED PEAK FLOW.
2. METAL PARTS: CORROSION RESISTANT. NON -GALVANIZED PARTS
PERFERRED. GALVANIZED PIPE PARTS TO HAVE ASPHLAT TREATMENT 1.
3. FRAME AND LADDER OR STEPS OFFSET SO:
A. CLEANOUT GATE IS VISIBLE FRON TOP.
B. CLIMB -DOWN SPACE IS CLEAR OF RISER AND CLEANOUT GATE.
C. FRAME IS CLEAR OF CURB.
4. IF METAL OUTLET PIPE CONNECTS TO CEMENT CONCRETE PIPE: OUTLET
PIPE TO HAVE SMOOTH O.D. EQUAL TO CONCRETE PIPE I.D. LESS Y4".
5. PROVIDE AT LEAST ONE 3"x.090 GAGE SUPPORT BRACKET ANCHORED
TO CONCRETE WALL. (MAXIMUM VERTICAL SPACING 3'-0")
6. LOCATE ELBOW RESTRICTOR(S) AS NECESSARY TO PROVIDE MINIMUM
CLEARANCE AS SHOWN.
7. LOCATE ADDITIONAL LADDER RUNGS IN STRUCTURES USED AS ACCESS
TO TANKS OR VAULTS TO ALLOW ACCESS WHEN CATCH BASINS IS FILLED
WITH WATER.
CONTROL STRUCTURE FLOW RISER
f�JW/RESTRICTOR
NTS
CHECKED FOR COMPLIANCE
TO CITY STANDARDS
Date
Date H �t
' Date
ELEVATION
NTS
CALL 48 HOURS
BEFORE YOU DIG
1-800-424-5555
NO. I REVISION I BY I APPR. I DATE
SCALE 1"=2'
A•
80
0'40�
&
f ♦ Assoc ns, ac
31823
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ti CIYL ENAtEERNG A PROJECT YANAOEIM
SIONAL t4 705 SOUTH 9TH STREET Bus. (253) 272-4451
SUITE #303 For (253) 272-4495
EXPIRES 09/20/08 TACWA, WA 98405 bsch weikl*mm. com
CITY OF RENTON
DEPARTMENT OF PUBLIC WORKS
BECLAN PLACE
STORMWATER DETENTION WETVAULT
PLAN & DETAILS
DESIGNED: BAS DATE: 04/14/08 FILE NAME: 05057-C9
DRAWN: TAS
CHECKED; BAS SCALE: 1" = 20' FIELD BOOK: PAGE:
APPROVED: SHEET: 0-9 OF: 23
DIRECTOR OF PUBLIC WORKS