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FRAME AND VANED GRATE
h
2-A",6", 6", 12", OR 24"
ONE #3 BAR FOR 6" HEIGHT
INCREMENT (SPACED EQUALLY)
RECTANGULAR ADJUSTMENT SECTION
PIPE ALLOWANCES
CATCH
BASIN
DIAMETER
MAXIMUM
PIPE MATERIAL
INSIDE
MINIMUM
DISTANCE
BETWEEN
KNOCKOUTS
DIAMETER
REINFORCED OR
12"
PLAIN CONCRETE
8"
ALL METAL PIPE
15"
CPSSP *
12"
(STD. SPEC. 9-05.20)
No
SOLID WALL PVC
15"
(STD. SPEC. 9-05.12(1))
ON
PROFILE WALL PVC
15"
(STD. SPEC. 945.12(2))
G0w
�1c CORRUGATED POLYETHYLENE
STORM SEWER PIPE
#3 BAR EACH CORNER _
18" MIN.
#3 BAR HOOP
WSDOT STANDARD PLAN B=5.20=01,
NOT TO SCALE
D
20" x 24"
24" DIAM., 48" DIAM. f ��
OR 54" DIAM. HOLE
06 BARS Q 7" SPACING
2" (TYP.) �-
1" MIN.
2 1/2" MAX.
84" or 96" FLAT SLAB TOP
#5 BARS (g'j 6" SPACING
20" x 24", /
24" DIAM., 48" DIAM,
OR 54" DIAM. HOLE
2" (TYP.) -•
L
co
4 ___... 4.... 1.. MIN.
2 112" MAX.
72" FLAT SLAB TOP
- #4 BARS 6" SPACING
20"x24"ORS
24" DIAM. HOLE
2" (TYP.)
..............
a> 1" MIN.
2 1/2" MAX.
48", 54", or 60" FLAT SLAB TOP
TYPICAL ORIENTATION
FOR ACCESS AND STEPS
24" MIN.
48" MIN.
ECCENTRIC CONE SECTION
NOTES
1. As acceptable aitematives to the rebar shown in the PRECAST BASE
SECTION, fibers (placed according to the Standard Specifications), or
wire mesh having a minimum area of 0.12 square inches per foot shall
be used with the minimum required rebar shown in the ALTERNATIVE
PRECAST BASE SECTION. Wire mesh shall not be placed in the
knockouts.
2. The knockout diameter shall not be greater than 20". Knockouts shall
have a wall thickness of 2" minimum to 2.5" maximum. Provide a 1.5"
minimum gap between the knockout wall and the outside of the pipe.
After the pipe is installed, fill the gap with joint mortar in accordance
with Standard Specification 9-04.3.
3. The maximum depth from the finished grade to the lowest pipe invert
shall be 5'.
4. The frame and grate may be installed with the flange down, or integrally
cast into the adjustment section with flange up.
5. The Precast Base Section may have a rounded floor, and the walls may
be sloped at a rate of 1:24 or steeper.
6. The opening shall be measured at the top of the Precast Base Section.
7. All pickup holes shall be grouted full after the basin has been placed.
(SEE NOTE 1)
ALTERNATIVE PRECAST BASE SECTION
12" MIN.
- ------------
- .. -
aD NiZ
STEP
s"
6" OR 12"
J
N
44535
s3 o, .,
CATCH BASIN TYPE 1
STANDARD PLAN B-5.20-01
SHEET 1 OF 1 SHEET
APPROVED FOR PUBLICATION
Pasco Bakotich III 06-16-11
STATE DESIGN ENGINEER DATE
Washington Slab Depar"nent of Transportation
NOTE
Ladder rungs for manholes and catch basins shall
meet the requirements of AASHTO M 199.
12" (TYP)
ONE #3 BAR HOOP FOR 6" 1
TWO #3 BAR HOOPS FOR 12" 0
RECTANGULAR ADJUSTMENT SECTION
As an acceptable alternative to rebar, wire mesh having a
minimum area of 0.12 square inches per foot may be used
for adjustment sections.
34"
.2
1O ONE #3 BAR HOOP -
4 -
CIRCULAR ADJUSTMENT SECTION
bo
6"
12"
PREFABRICATED LADDER
ii
W m F'
07 �
J
-151
�0 15588
EXPIRES JULY I, 2009
MISCELLANEOUS DETAILS
FOR
DRAINAGE STRUCTURES
STANDARD PLAN 3-30.90-01
SHEET 1 OF 1 SHEET
APPROVED FOR PUBLICATION
Pasco Bakotich Ill 09-20-07
STATE DESIGN ENGINEER DATE
Washington State Department of Transportation
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CATCH BASIN FRAME AND VANED GRATE
OR MANHOLE RING AND COVER
RECTANGULAR ADJUSTMENT SECTION
OR CIRCULAR ADJUSTMENT SECTION
FLAT SLAB TOP
MORTAR (TYP.)
- REINFORCING STEEL (TYP.)
GRAVEL BACKFILL FOR
PIPE ZONE BEDDING
/ irs
SEPARATE BASE INTEGRAL BASE
PRECAST PRECAST WITH RISER
(48" - 72" ONLY)
WSDOT STANDARD PLAN B=10.20=01,
NOT TO SCALE
BID SET
NmxnCAL- NAM
HONIZOOML• WO M1 00 3/101
DATUM
NOTES
1. No steps are required when height is 4' or less.
2. The bottom of the precast catch basin may be sloped to facilitate cleaning.
3. The rectangular frame and grate may be installed with the flange up or down.
The frame may be cast into the adjustment section.
4. Knockouts shall have a wall thickness of 2" minimum to 2.5" maximum. Provide
a 1.5" minimum gap between the knockout wall and the outside of the pipe. After
the pipe is installed, fill the gap with joint mortar in accordance with Standard
Sp�cMcato, n 8-04.3.
CATCH BASIN DIMENSIONS
CATCH
BASIN
DIAMETER
MIN.
WALL
THICKNESS
MIN.
BASE
THICKNESS
MAXIMUM
KNOCKOUT
SIZE
MINIMUM
DISTANCE
BETWEEN
KNOCKOUTS
48"
4"
6"
36"
8"
54"
4.5"
8"
42"
8"
No
5N
QN
Q41
ON
72"
6"
8"
G0w
12N
84"
8"
12"
42"
12"
96"
8"
12"
p72"
O" a
12"
120"
10"
12"
96"
12"
144"
12"
12"
108"
12"
PIPE ALLOWANCES
CATCH
BASIN
DIAMETER
PIPE MATERIAL WITH MAXIMUM INSIDE DIAMETER
CONCRETE
ALL
METAL
CPSSP
O
SOLID
WALL
PVC Co
PROFILE
WALL
PVC 03
48"
24"
30"
24"
0
�Uq
LIN
W"
'%"
30"
W
W"
60w
3366"
42"
36/"
42"
42"
72"
42"
54"
42"
84"
54"
60"
54"
48"
48"
96"
60"
72"
60"
48"
48"
120m
66
84"
60N
�w
48"
144"
78"
96-
60-
48-
w ON
0 Corrugated Polyethylene Storm Sewer Pipe (Standard Specification 9-05.20)
2� (Standard Specification 945.12(1))
(Standard Specification 9.05.12(2))
Checked for Complia a to City Standards
f /
l
00,
fiz:24 IN
�I CITY OF
RENTON
Planning/Building/Public Works Dept.
by
h I C
-10
0 �44535
trss GI STO
ZONAL
CATCH BASIN TYPE 2
STANDARD PLAN B-10.20-01
SHEET 1 OF 1 SHEET
APPROVED FOR PUBLICATION
Pasco Bakodch 111 02-07-12
STATE DESIGN ENGINEER DATE
Adft WslshiStas Dsportmer t of Tranports ien
NOTICE t 1-1 v v IVI 1-% vL-� I I t -L- vr- vrv%t'4L- I t��-vt t 111--%J
AL1MA11N1 OF IMS DOMOU SHALL NYA =1E 1W
PNORSIM SEAL AND NUME PLUM10 OF
N 2215 North 30th Street, Suite 300 Tacoma, WA 98403
ONLY Fa IME PNO�i �1l6) N 1fE 111<E ROCK
NO 6 Nor M E UM M M. ISM OR 253.383.2422 TEL 253.383.2572 FAX www.ahbl.com WEB
MW= TO VAT Pyr OR FOR ANY 0961 PRUU
DATE:
TIFFANY PARK ELEMENTARY SCHOOL 20 APRIL 2015
PORTABLES P#AE- m
RENTON SCHOOL DISTRICT
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NOTES AND DETAILS �: �:
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