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10' PRIVATE DRAINAGE ESM'T _IJ
0
CLEANOU TO MATCH x
FINISH GRADE. LOCATION
PER PLAN
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0- .
..0. ..:.0 � :0.
2.0' 0.' '
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.. ..0 0-.'..-
-O
21, 12:'0..�'o .
1'
MIN. WIDTH
FREE DRAINING BACKFILL
COMPOSED OF WASHED
GRAVEL, PEA GRAVEL, ECT.
(TOP OF GRAVEL TO
MATCH FINISH GRADE)
FILTER FABRIC - MIRAFI 70OX
OF EQUAL (3 SIDES ONLY)
6" PERFORATED PVC PIPE WITH
POSITVE GRADIENT
INTERCEPTOR TRENCH DETAIL
N.T.S.
A
/
'A-
4
OVERFLIY�
MAX. WA T a
RECTANGUL,4 /
NOTCH WIDT41 "
.Cd
A.
NOTCH ELEVATIO - aA .
PIPE SUPPORT3"x0.9/ °
/
BOLTED OR IMBEDDF�D "
WALL AT MAX. 3' SP d C
\ \ c .NXI
GRATE ELEV. = 390.00
6" MIN.
12"
d
d
\
°
d
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dq
A.
d
d
°
390
380
370
360
50
390
380
370
360
00
(8) EVENLY SPACED HOLES ON 10 378' SOLT
CIRCLE FOR BOLTING TO FLANGE CONNECTION
LEVEL LINE-
-___-__ _�__ __- ___ _- _
FRONT SIDE
NOTES:
MAXIMUM OPENING OF GATE
HANDLE WITH LOCK PIN
ADJUSTABLE LOCK HOOK WITH LOCK SCREW
O
LIFT HANDLE SHALL BE ATTACHED PER
MANUFACTURER'S RECOMMENDATIONS
1' ROD OR TUBING, VARIABLE LENGTH
1 SHEAR GATE SHALL BE ALUMINUM ALLOY PER ASTM 8-MZG-32. OR CAST IRON ASTM MS CLASS 30B AS REQUIRED
2 GATE SHALL BE 81NCH DLA UNLESS OTHERWISE SPECIFIED
3. GATE SHALL BE JOINED TO TEE SECTION BY BOLTING (THROUGH FLANGE). WELDING, OR OTHER SECURE MEANS.
4. LIFT ROD, AS SPECIFIED BY MFR. MTN HANDLE EXTENDING TO WITHIN ONE FOOT OF COVER AND ADJUSTABLE HOOK LOCK FASTENED TO FRAME OR UPPER
HANDHOLD-
5 GATE SHALL NOT OPEN BEYOND THE CLEAR OPENING BY LIMITED HINGE MOVEMENT. STOP TAB, OR SOME OTHER DEVICE
5 NEOPRENE RUBBER GASKET REQUIRED BETWEEN RISER MOUNTING FLANGE AND GATE FLANGE.
7 MATING SURFACES OF LID AND BODY TO BE MACHINED FOR PROPER FIT,
8 FLANGE MOUNTING BOLTS SHALL BE 318' DIA. STAINLESS STEEL
-4 ALTERNATE CLEANOUT;SHEAR GATES TO THE DESIGN SHOWN ARE ACCEPTABLE, PROVIDED THEY MEET THE MATERIAL SPECIFICATIONS ABOVE AND HAVE
A SM BOLT. 10 318' BOLT CIRCLE FOR BOLTING TO THE FLANGE CONNECTION,
t1NL7�50iH(gN'IS[ 11DT(D -WING IS NOT TO SGILF INTS)
STD. PLAN - 237.30
..� PUBLIC WORKS TEE SECTION SHEAR GATE 9/28/2018 I
DEPARTMENT GAZ
DATE
5. 0' WIDE GRATE W/ 5' X 10' REMOVABLE
a
a Iz___AND SOUTH SIDES FOR MAINTENANCE C
10.20' ACCESS. TOP OF GRATE EL=390.00
DCO _ _ 4" PER PVC FOOTING DRAIN-0 1.07. MIN. CONNECT TO CB-2 SOCO
W/GRATE
TOP=389.50
IE=377.10
:.:.
10' WIDE CURB CUT WITH
GRAVEL ACCESS BEHIND
SIDEWALK. INSTALL 4 X
BOLLARDS AT BACK OFpRNI!EIq:Y.-
SIDEWALK. MIDDLE TWO
BOLLARDS SHALL BE
° `
.-".?C?��:= ..::.' .i:
•s = :: i
M�' -
REMOVABLE. OUTER
°
BOLLARDS FIXED.
J.
W
Z I
W
CLEANOUV 8" ca
W
ii I
SHEAR GATE W CB-2, TYPE 2-48"
o
�° o
0 W/SOL.RND.LKG.LID
ao °
CZm TOP=38Z70
B
IE=381.93 (87S)
12" OUTLET PIPE _ =a IE=37Z60 (4 SE)
12 IE.• 376.75 IE=376.68 (12'E&W) }
WQ WSEL C II
° cl
r q
/ / < d.. DD
/ d
WELD 12 GA. BOTTOM
PLATE WITH 11116 "0
ORIFICE#1 SHARP EDGE, /
SHOP DRILLED IN PLATE. i \/
ELEV.- 374.75-
d a
\ SED. STOR.373.00
°64.
-
8TTIc'r\S 1�IA14S
Know what's below.
Call before you dig.
NOT TO SCALE
-SD 8D�1
I
I
I
GRATE 5' yl
i
i EL-'90.OG
\\\
: 4
s
ADDITIONAL LADDER RUNGS (IN SETS) TO
7 MIN CLEARANCE i0
Sa
ALLOW ACCESS TO TANKS OR VAULTS
ANY
PORTION Of FLOW RESTRICTOR
_
WHEN CATCH IS FILLED WITH WATER
TEE INCLUDING ELBOWS
/
REMOVABLE WATERTIGHT
COUPLINGFLANGE
OR FLANGE 7 MIN.
ELBOW RESTRICTOR-
SEE DETAIL AND NOTE 10
/
ANGLE AS
/
NECESSARY.
/
SEE NOTE 7
W MIN
6' MAX. '-+I
7 MIN,
�--'
PLATE WELDED TO ELBOW WITH
PLAN VIEW
ORIFICE AS SPECIFIED. SEE NOTE 3
ELBOW RESTRICTOR DETAIL
ELEVATION PER
PLANS
12- MIN UNDER FRAME 8 SOLID COVER MARKED -DRAIN"WITH
PAVEMENT LOCKING BOLTS PER STD. PLANS 2D4.40 AND 204 Y
18" MAX.
( VERTICAL BAR GRATE FOR
SECONDARY INLET
6'MIN DESIGNWATER
ELBOW RESTRICTOR, �URFAZT
SEE DETAIL AND NOTE 10 HANDHOLDS. STEPS, OR LADDER
PIPE SUPPORTS, SEE NOTE 6 r 1T (TYP,)
7.5 x D 3}1} SEE NOTE 9 (TYP.)
MIN. 7 MIN13
T 1
ISOMETRIC i
OUTLET POPE, SEE INLET PIPE
NOTES 18 S 7
MIN SHEAR GATE WITH CONTROL ROO FOR
INVERT AND CLEANOUTNRAIN (ROD BENT AS REQUIRED
ELEVATION PER PLANS FOR VERTICAL ALIGNMENT WITH COVERT
17 SECTION OF PIPE ATTACHED BY PER STD. PLAN 237.30
GASKETED BAND TO ALLOW REMOVAL 7
17 ABN.
WELDED RESTRICTOR PLATE WITH
ORIFICE DIA AS SPECIFIED, SEE NOTE 10
NOTES: SECTION A
USE A MIMIMUM OF A 54• DIAMETER TYPE 2 CATCH BASIN.
OUTLET CAPACITY IOD•YEAR DEVELOPED PEAK ROW
1 METAL PARTS PREFERRED TO BE STAINLESS STEEL. ALUMINIZED STEEL OR ALUMINUM. ALL OTHER STEEL PARTS MUST BE GALVANIZED WITH TREATMENTS 1, 2. OR 5
4 FRAME AND LADDER OR STEPS OFFSET SO.
A CLEANOUT GATE IS VISIBLE FROM TOP
B CLIMB -DOWN SPACE IS CLEAR OF RISER AND CLEANOUT GATE.
C. FRAME IS CLEAR OF CURB.
5. IF METAL OUTLET PIPE CONNECTS TO CEMENT CONCRETE PIPE OUTLET PIPE TO HAVE SMOOTH O.D. EQUAL TO CONCRETE PIPE I.D. LESS 114'.
6. PROVIDE AT LEAST ONE 3' X D90 GAGE SUPPORT BRACKET ANCHORED TO CONCRETE WALL (MAXIMUM 3'-(' VERTICAL SPACING)
7 LOCATE ELBOW RESTRICTOR(S) AS NECESSARY TO PROVIDE MINIMUM CLEARANCE AS SHOWN
8 LOCATE ADDITIONAL LADDER RUNGS IN STRUCTURES USED AS ACCESS TO TANKS AND VAULTS TO ALLOW ACCESS WHEN CATCH BASIN IS FILLED WITH WATER
9- WHEN CONNECTING TO A NEW PIPE USE A FLEXIBLE CONNECTOR (KOR-N-SEAL BOOT WITH CORRUGATED PIPE ADAPTER OR APPROVED EQUAW. WHEN CONNECTING
TO AN EXISTING PIPE, USE A FABRICATED SAND COLLAR OF THE SAME MATERIAL AS THE CONNECTING PIPE.
10. IF TEE SECTION IS USED ONLY FOR SPILL CONTROL, THEN ELBOW RESTRICTORS AND RESTRICTOR PLATES WITH ORIFICES ARE NOT REQUIRED
UNLESS OTHERWKE NOTED, DRAWING K NOT TO SCALE INTOO
TD. PLAN - 237.00
_♦j� PUBLIC WORKS FLOW CONTROL STRUCTURE I�° °Y
�7� DEPARTMENT RESTRICTOR TEE Mart
in Pastucha8/13 DATE
�FINISH GRADE VARIES
1' MIN. COVER (TYP)
HOLLOW CORE PANELS TOP EL=389.0
MAX. WSEL=387.50
6& 50'
SOLID LID & FRAME PER COR STD 204.50 -
ADJUST LID ELV'S PER FINISH GRADES (TIP)
36"0 ACCESS RISER
�j\\\ 382.00 10.75' DETENTION LIVE STORAGE M\
TOP BAFFLE /z
\\ PREFABRICATED LADDER-----
REMOVABLE BAFFLE WALL OR COPOLYMER STEPS r
\ PER COR STD 204.60 /\
A _p WQ OUSEL=376.75
39.50 3.75' WETPOOL
/\ IE.• 375.00 (12 IN)
\\ 374.00
BAFFLE 0 BOT
B\\ - - - - SED. STOR. 373.00
/ � END OF SLOPE FL=370.74 - -2.00q SLOPE �' ��/ 0.50% SLOPE-� 5% MIN.) SLOPE 1 \\
I
I CELL 1 DETENTION WETVAULT - SECTION A
0 SCALE HORZ.• 1" = 10', VERT.: 1" = 5'
I
I
-------------------------- -----� FINISH GRADE VARIES SOLID LID & FRAME PER COR STD 204.50 1.5'
SEE PLAN FOR
nl LCPE BYPASS LINE SEE PLAN SDCO . �1.00 COVER MIN. (TYP)COVER MIN. (TIP) ADJUST LID ELV'S PER FINISH GRADES (TIP) , X
TO CB-1 &
CONTINUATION 4" SOLID PVC FOOTING OUTFACE PIPE ®1.00q MIN. u7 GRATE IF 5 yl
�so�so Aso �so
OU7FALL PROPERTY LINE j TOP HOLLOW CORE PANELS EL=389.00 36"0 ACCESS RISER
CORE PANELS EL=389.00 36"0 ACCESS RISER
TR. A DETENTION WET VA UL T - PLAN DETAIL \ /\ - - - - MAX. WSEL=387.50 - - - - - - - /
SCALE. 1" = 10' \\\\ 6&50'
.10
12" VENTILATION P E
TJ670
5.00'
I
1
375.00 (12"IN� z
i i
ACCESS RISER
LO W/ SOLID LOCKING LID D�
Q5
h!
CELL 1 2 OF
II
5�1
"V BOTTOM 0 0.5% MIN., MAX
DETENTION WETVAULT
30,922 CF (ACTIVE DETENTION)
i i
L0
10,786 CF (WETPOOL)
i i
m , o
Ib
39.50
-----_-_-_---- --- ---
--- - ---- --- ---
-L----
------
-� 1G'.00-��-10.00
I TERNAL WALL
6 .50
M EL: 387. 0
0 5% MIN. _ 5% MIN.
LO
WQ EL:37.75
SED 373.00 CELL 2
-- - - - - - - - --- ---
"V"
- -- F�
BOTTOM0 0.5 X
0
z_
�
5.00' WETVAULT STRUC RAL
IE.3 6.75 (1 "OUT) DESIGN BY OTHERS
I
I
o
In
"' 0 36 0 ACCESS RISE
W SOLID LOCKING LID
12" VENTIL RON PPE
--
10.75' DETENTION LIVE STORAGE
RESTRICTOR PREFABRICATED LADDER_
\\ OR COPOL Y MER STEPS j\
_p WQ WSEL=376.75 _ _ _ PER COR STD 204.60 \� \�
\\ 3.75' WETPOOL `\ //�
�\ SED. STOR.=373.00
\\ END OF SLOPE EL=371.04 5% (MIN.) SLOPE
0.509 SLOPE "V" BOTTOM
CELL 2 DETENTION WETVA ULT - SECTION B
SCALE: HORZ: 1" = 10', VERT.: 1" = 5'
5 PER CITY OF RENTON COMMENTS TLK 1-6-2023 NEM SURVEYED: SCALE: -
VERTICAL NAVD 1988
1> ¢ PER CITY OF RENTON COMMENTS TLK 9-30-22 NEAR DESIGNED: 1 - 10 1 HORIZONTAL, NAD 1983/1991 CITY OF
1700 NW GILMAN BLVD, STE 200 3 PER CITY OF RENTON COMMENTS KAL 5-18-21 KAL NEM
ISSAQUAH, WA 98027 2 PER CITY OF RENTON COMMENTS KAL 6-17-19 KAL DRAWN TLK RENTON
N TO N
IVIL
ONE INCH DATU M
PHONE: (425) 821-5038 1 CONSTRUCTION PLAN SET KAL 9-24-18 KAL CHECKED: NEAR AT FULL SCALE Planning/Building/Public Works Dept.
IF NOT ONE INCH
NO. REVISION BY DATE AP P R APPROVED: NEAR SCALE ACCORDINGLY
18" MA%. FROM CENTER OF ACCESS COVER OR DOORS REQUIRED
FRAME TO STRUCTURE
WALL FOR STEP ACCESS LADDER -
SOO' GRATE, GRATED ACCESS DOOR, OR LOCKING
ACCESS PANEL OVER SECOND CELL FOR VAULTS
WHERE SURFACE AREA OF SECOND CELL IS GREATER
THAN 1,250 SQUARE FEET, 4%OF THE TOTAL SURFACE
AREA MUST BE GRATED AND A 600' REMOVABLE
LOCKING PANEL SHALL BE PROVIDED
OUTLET
WETPOOL
SHAPED BOTTOM
-
WIDTH
-
-__V•
-_------_-
INL�10
S MIN. GRAVITY DRAIN
A
REMOVABLE BAFFLE OR WALL
SEE NOTE 2
SEE NOTE 71TYP.)
8' MAX. FROM EDGE OF
OPENING TO STRUCTURE
•
WALL FOR STEP ACCESS
FRAME AND SOLID COVER
WETPOOL LENGTH
12' MIN. VENTILATION PIPES AT
MARKED'DFWW WITH
CORNERS (TYP.), SEE NOTE 6
LOCKING BOLTS PER STO
PLANS 204,40 AND 204.50
4" MIN.
PLAN VIEW ,
78" MAX.
•
-• - • ' • '
SIZE TO CONVEY 1MYEAR
IRST CELL SIZED FOR
LADDER
DESIGN FLOW WITHOUT
25% TO 35%OF
FLOW RESTRICTOR
OVERTOPPING, 6' MIN.
WE VOLUME
WATER WiTRY(�WSLR
Q
- 72'MIN.
-
INLET
.' •
17 MIN.
7 MIN
OUTLET WITH CAPACITY TO
CONVEY 100-YEAR DESIGN
12'MIN.
WETPOOL
FLOW WITHOUT OVERTOPPING
PTH
SEE NOTE 7 (TYP.) , •
�-
BEjJAx
Y MIN
REMOVABLE
BAFFLE 2-MIN
Z'MIN.
VALVE
GRAVITY DRAIN (IF GRADE ALLOWS). PLACE
AS LOW AS GRADE ALLOWS BUT MUST BE 6'
BOTTOM SLOPE 0.5%-2% MIN, ABOVE THE BASE ELEVATION OF VAULT
TOWARD INLET END WALLS OR ABOVE SEDIMENT STORAGE AREA
SECTIONA BOTTOM SLOPE 05%-2%TOWARD OUTLET
AVERAGE SEDIMENT STORAGE END OF SECOND CELL (RECOMMENDED)
17 MIN (FIRST CELL) ACCESS DOORS OR REMOVABLE PANEL, SEE NOTE 5
WATER QUALITY TWO) DESIGN
WATER SURFACE (WSj 0 _
T MIN
4' MIN
AVERAGE 17 SEDIMENT
STORAGE (FIRST CELL)
5% MIN. I� 1
NOTES: SECTION B
1 THIS DETAIL IS A SCHEMATIC REPRESENTATION ONLY ACTUAL CONFIGURATION WILL VARY DEPENDING ON SPECIFIC SITE CONSTRAINTS AND APPLICABLE DESIGN
CRITERIA.
2. THE VAULT SHALL BE SEPARATED INTO TWO CELLS BY A WALL OR A REMOVABLE BAFFLE IF A WALL OR NON REMOVABLE BAFFLE IS USED. A 5-FOOT x 1D-FOOT
REMOVABLE MAINTENANCE ACCESS MUST BE PROVIDED FOR BOTH CELLS.
3. FOR VAULTS UNDER ROADWAYS. THE REMOVABLE PANEL MUST BE LOCATED OUTSIDE THE TRAVEL LANES. ALTERNATIVELY. MULTIPLE STANDARD LOCKING MANHJ'.E
COVERS MAY BE PROVIDED. SPACING OF MANHOLE COVERS SHALL BE 12 FEET, MEASURED ON CENTER TO FACILITATE REMOVAL OF SEDIMENT- LADDERS AND
HAND -HOLDS NEED ONLY BE PROVIDED AT THE OUTLET PIPE AND INLET PIPE
4 MINIMUM DIAMETER FOR ALL ACCESS OPENINGS EXCEPT THOSE COVERED BY REMOVABLE PANELS. IS 36 INCHES
5. REMOVABLE PANEL SHALL BE AT GRADE. HAVE STAINLESS STEEL LIFTING EYES, AND WEIGH NO MORE THAN 5 TONS PER PANEL
6. VAULTS PROVIDING MANHOLE ACCESS AT 12 FOOT SPACING NEED NOT PROVIDE CORNER VENTILATION PIPES. VENTILATION PIPES SHALL BE CAPPED OR OTHERWISE
COVERED, BUT DESIGNED SO THAT MAINTENANCE PERSONNEL CAN REMOVE FOR VENTILATION
7, WHEN CONNECTING TO A NEW PIPE. USE A FLEXIBLE CONNECTOR (KOR-N-SEAL BOOT WITH CORRUGATED PIPE ADAPTER OR APPROVED EQUAL). WHEN CONNECTING TO
AN EXISTING PIPE, USE A FABRICATED SAND COLLAR OF THE SAME MATERIAL AS THE CONNECTING PIPE
e, SEE CONSTRUCTION PLANS FOR SPECIFIC PROJECT REQUIREMENTS. UNLESS OTHERWISE NOTED, DRAWING KNOT TOSCMEINTS)
STD. PLAN - 254.00
PUBLIC WORKS COMBINED DETENTION AND Y
DEPARTMENT WETVAULT Martin Pastucha 8/13/zo
DATE
5.0' WIDE VENTILATION GRATE WITH 5' x 10' REMOVABLE,
LOCKING ACCESS PANELS AND STEPS AT EACH END.
INSTALL PER MANUFACTURER'S RECOMMENDATIONS
LEAST FLOWING HIGH POINT OF
"V" CHANNEL "V" CHANNEL BENEATH
REMOVABLE BAFFLE WALL
DETENTION WETVAULT - SECTION C
SCALE: HORZ.• 1" = 10, VERT.: 1" = 5'
NOTE
PER GEOTECHNICAL REPORT BY EARTH
SOLUTIONS LLC. DATED 12-20-2016. THE
CONCTRACTOR SHOULD ANTICIPATE AND
BE PREPARED TO RESPOND TO DISCRETE
0
TO MODERATE ZONES OF PERCHED
GROUNDWATER DURING CONSTRUCTION. R-404106
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
DEVELOPMENT ENGINEERING
Michael Sippo 06/22/2023 ,O
SURFACE WATER UTILITY ►�
jfarah 06/22/2023 '5
DATE:
Renton Subdivision 1-6-2023
17018 & 17022106th Avenue SE FlELDBOOK:
PAGE.
Renton WA 98055
� DRAWING N0:
DETENTION TANK DETAILS SHEET: 7 OF:19