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/3 BAR EACH CORNER
/3 BAR EACH SIDE
CATCH BASIN TYPE 1
KING COUNTY PUBLIC WORKS DWG# 2-003
SEALANT MATERIAL
SEALANT RESERVOIR -
(SECONDARY SAWCUT)
JOINT SEALANT DETAIL
REFER TO SHEET C-7.2 --_�
T THICK PCC APRON
6" THICK PARKING
ENTRANCE RAMP
CONTRACTION JOINT - B
REFER TO SHEET C-7.2
8" THICK PCC APRON
CONSTRUCTION JOINT - A
FRAME AND GRATE
SEE SEC. 7.05 AND
APPLICABLE DWGS.
6' RISER SECTION
12' RISER SECTION
PRECAST BASE SECTION
(MEASUREMENT AT THE TOP
OF THE BASE)
NOTES:
1. CATCH BASINS SHALL BE CONSTRUCTED IN ACCORDANCE WITH ASTM
C478 (AASHTO M 199) & C890 UNLESS OTHERWISE SHOWN ON
PLANS OR NOTED IN THE WSDOT/APWA STANDARD SPECIFICATIONS.
2. AS AN ACCEPTABLE ALTERNATIVE TO REBAR. WELDED WIRE
FABRIC HAVING A MIN. AREA OF 0.12 SQUARE INCHES
PER FOOT MAY BE USED. WELDED WIRE FABRIC SHALL
COMPLY TO ASTM A497 (AASHTO M 221). WIRE FABRIC
SHALL NOT BE PLACED IN KNOCKOUTS.
3. ALL REINFORCED CAST -IN -PLACE CONCRETE SHALL BE
CLASS 4000.
4. PRECAST BASES SHALL BE FURNISHED WITH CUTOUTS OR
KNOCKOUTS. KNOCKOUTS SHALL HAVE A WALL THICKNESS
OF 2' MIN. ALL PIPE SHALL BE INSTALLED IN FACTORY
PROVIDED KNOCKOUTS UNUSED KNOCKOUTS NEED NOT
BE GROUTED IF WALL IS LEFT INTACT.
5. KNOCKOUT OR CUTOUT HOLE SIZE IS EQUAL TO PIPE OUTER
0". PLUS CATCH BASIN WALL THICKNESS.
6. ROUND KNOCKOUTS MAY BE ON ALL 4 SIDES. WITH MAX.
DIAM. OF 20". KNOCKOUTS MAY BE EITHER ROUND OR 'Cr SHAPE.
7. THE MAX. DEPTH FROM THE FINISHED GRADE TO THE
PIPE INVERT IS 5'-O".
8. THE TAPER ON THE SIDES OF THE PRECAST BASE SECTION
AND RISER SECTION SHALL NOT EXCEED 1/7'/FT.
9. CATCH BASIN FRAME AND GRATE SHALL BE IN ACCORDANCE
WITH STANDARD SPECIFICATIONS AND MEET THE STRENGTH
REQUIREMENTS OF FEDERAL SPECIFICATION RR-F-621D.
MATING SURFACES SHALL BE FINISHED TO ASSURE
NON -ROCKING FIT WITH ANY COVER POSITION.
10. FRAME AND GRATE MAY BE INSTALLED WITH FLANGE DOWN
OR CAST INTO RISER.
11. FOR CATCH BASINS IN PARKING LOTS REFER TO WSDOT/APWA
STANDARD DWG. 81-15.
12. EDGE OF RISER OR BRICK SHALL NOT BE MORE THAN 2' FROM
VERTICAL EDGE OF CATCH BASIN WALL.
#3 BAR EACH WAY
DATE REVISION BY APPR'D
BUTYL OF POYPROPYLENE
ROPE OR ROD BACKUP
MATERIAL
SAW CUT JOINT
ep.
TYP PCC APRON JOINTS
- SAWED JOINT
W/ JOINT SEALANT
JOINT SEALANT
1" 0 X 1 T LONG
SMOOTH DOWEL BAR
PAINT AND OIL ONE END
3�
b
N •
b
OVERFLOW ELEV. TO PROVIDE
DETENTION & OIL SEPARATION
PER PLANS
G.1
SEE NOTE 10,
PIPE SUPPORT(S)3- X 090-
y
MIN.
_ OUTLET PIPE
INVERT ELEVATION PER PLAN
RESTRICTOR PLATE WITH ORIFICE
AS SPECIFIED. NOT NEEDED IF
ONLY FOR OIL POLLUTION CONTROL.
LL All
REMOVABLE WATER-
TK?IT COUPLING
PLATE WITH ORIFICE
AS SPECIFIED
ELBOW DETAIL
w .
!LET PIPE
OR PIPES
3
1 �
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b
54• MIN
CATCH BASIN TYPE 2
Owl. AS REOVIRED
SEE DWG. NO. 2-DO5,
ROUND SOLID COVER
NOTES:
MARKED *DRAIN' WITH
LOCKING BOLTS. SEE
1.
PIPE SIZES AND SLOPES PER PLANS.
DWG. NOS. 2-022 &
2-023
2.
OUTLET CAPACITY: NOT LESS THAN COMBINED INLETS.
FRAME & LADDER OR
3
EXCEPT AS SHOWN OR NOTED, UNITS SHALL BE CONSTRUCTED
STEPS OFFSET. SEE
IN ACCORDANCE WITH THE REQUIREMENTS FOR CATCH BASIN
NOTE d. FRAME &
TYPE 2. 54• MIN. DIAM.
COVER ELEV. PER PLAN.
4.
PIPE SUPPORTS AND RESTRICTOR/SEPARATOR SHALL BE OF
SAME MATERIAL, AND BE ANCHORED AT 3' MAX SPACING
STEPS oa ADDER.
BY 5/T DAM STAINLESS STEEL EXPANSIOv BOLTS OR
SEE DWG. NO 2-006
EMBEDDED 2' IN MALL.
5,
THE RESTRICTOR/SEPARATOR SHALL BE FABRICTED FROM
.060• ALUMINUM, OR .064' ALUMINIZED STEEL, OR 064'
GALVANIZED STEEL PIPE; IN ACCORDANCE WITH AASHTO
M 36, M 196, M 197 AND M 274 GALVANIZED STEEL
SHALL HAVE TREATMENT 1.
CLEANOUT MATE. SHEAR
GATE. SEE DWG. NO.
6
OUTLET SHALL BE CONNECTED TO CULVERT OR SEWER PIPE
2-026,
WITH A STANDARD COUPLING BAND FOR CORRUGATED METAL
PIPE, OR GROUTED INTO THE BELL OF CONCRETE PIPE
7.
THE VERTICAL RISER STEM OF THE RESTICTOR/SEPARATOR
SHALL BE THE SAME DIAM. AS THE HORIZONTAL OUTLET
PIPE. WITH AN 8" MIN. DIAM.
INVERT ELEV PER PLAN
8.
FRAME AND LADDER OR STEPS OFFSET SO THAT:
A CLEANOUT GATE IS VISIBLE FROM TOP.
B. CLIMB DOWN SPACE IS CLEAR OF RISER AND
CLEANOUT GATE.
C. FRAME IS CLEAR OF CURB.
9,
IF METAL OUTLET PIPE CONNECTS TO CEMENT CONCRETE
PIPE: OUTLET PIPE TO HAVE SMOOTH O.D. EQUAL TO
CONCRETE PIPE I D LESS 1/4-.
10.
MULTI -ORIFICE ELBOWS MAY BE LOCATED AS SHOWN OR
ALL ON ONE SIDE OF RISER TO ASSURE LADDER
CLEARANCE
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PLAN
DATE REVISION 81 APPR'D
FLOW RESTRICTOR / OIL POLLUTION
CONTROL DEVICE, TEE TYPE (FROP-T)
KING COUNTY PUBLIC WORKS DWG# 2-025
1 1. 0 HOLE FOR 1 "0 X 20" LONG
RPINFORCING BAR ANCHORING PIN (2 -
PINS PER LOCATION) FILL TOP OF HOLE
W/ MASTIC OR CONCRETE AFTER SETTING
BARS
CEMENT CONCRETE WHEELSTOP
2) #4 BARS
CONTINUOUS)
3" CLR.
HALLOW 'V' GROOVE IF MONOLITHIC.
" X 4" JOINT IF SEPARATE -�
ONSTRUCTION
6" 1 A' -In"
2% SLOPE
- 1:1 (TYP.)
SIDEWALK WITH THICKENED EDGE
N.
m
2. 0'
1.0' MIN
APPROX. DITCH BOTTOM
TYP INTERCEPTOR SWALE
FINAL CORRECTEDPLAN
DCI--------7
D'AMATO
CONVERSANO
INC.
Coaarr)ti�g �ogiasera
610 Market Street, Site 200
Kirkland, Washington 98033-5451
(206) 827-2238 FAX No. (206) 827-8986
2722 Colby Avenue, Suite 717
Everett, Washington 98201-3527
(206) 252-0454 FAX No. (206) 262-1699
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EXPIRES 7/24/98
SIGNATURE
JOB NU>y[BER---
"MAD --
DESIGN
_ CTD_
DRAWN - - - -
-
REVIEM -
ABS
DATE------1
19 96 --_
SCALE
AS N070 __-
PLAT SCALE
- 1
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3HM TITLE
CIVIL
DETAILS
SUET NO.
C-4
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