HomeMy WebLinkAbout201.00¢Z
K
CATCH BASIN FRAME AND VANED GRATE (DETAIL 204.00)
HANDHOLD
N 2� RECTANGULAR ADJUSTMENT SECTION
OR CIRCULAR ADJUSTMENT SECTION
GROUT, TYPICAL (SEE NOTE 5)
FLAT SLAB TOP
i
e o
{� 48", 54", 60", 72", 84" OR 96"
L MORTAR (TYP.)
n
IT STEPS OR
LADDER
o
Z
MORTAR FILLET �
REINFORCING STEEL TYP.)
\ N
12" GRAVEL BACKFILL FOR
T PIPE ZONE BEDDING
SEPARATE BASE INTEGRAL BASE
CAST -IN-PLACE PRECAST WITH RISER
"O" RING
12"
GRAVEL BACKFILL FOR
6= o PIPE ZONE BEDDING
SEPARATE BASE
PRECAST
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 must be installed with the flange 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
Specification 9-04.3.
5. All grade rings, risers, and castings shall be set in mortar in accordance with
Standard Specification 9-04.3.
PIPE
CATCH BASIN
DIMENSIONS
CATCH
BASIN
DIAMETER
WALL
THICKNESS
BASE
THICKNESS
MAXIMUM
KNOCKOUT
SIZE
MINIMUM BASE REINFORCING STEEL
DISTANCE in2/ft. IN EACH DIRECTION
BETWEEN
KNOCKOUTS SEPARATE BASE INTEGRAL BASE
48"
4"
6"
36"
8"
0.23 0.15
54"
4.5"
8"
42"
8"
0.19 0.19
60"
5"
8"
48"
8"
0.25 0.25
72"
6"
8"
60"
12"
0.35 0.24
84"
8"
12"
72"
12"
0.39 0.29
96"
8"
12"
84"
12"
0.39 0.29
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 must be installed with the flange 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
Specification 9-04.3.
5. All grade rings, risers, and castings shall be set in mortar in accordance with
Standard Specification 9-04.3.
Q Corrugated Polyethylene Storm Sewer Pipe (Std. Spec. 9-05.20)
Q (Std. Spec. 9-05.12(1))
Q (Std. Spec. 9-05.12(2))
IY ��
+ � + PUBLIC WORKS CATCH BASIN TYPE 2 STD. PLAN - 201.00
DEPARTMENT
MARCH 2008
PIPE
ALLOWANCES
CATCH
PIPE MATERIAL WITH MAXIMUM
INSIDE DIAMETER
BASIN
DIAMETER
CONCRETE
ALL
METAL
CPSSP
Q
SOLID
WALL
PVC Q
PROFILE
WALL
PVC
48"
24"
30"
24"
27"
30"
54"
30"
36"
30"
27"
36"
60"
36"
42"
36"
36"
42"
72"
42"
54"
42"
36"
48"
84"
54"
60"
54"
36"
48"
96"
60"
72"
60"
36"
48"
Q Corrugated Polyethylene Storm Sewer Pipe (Std. Spec. 9-05.20)
Q (Std. Spec. 9-05.12(1))
Q (Std. Spec. 9-05.12(2))
IY ��
+ � + PUBLIC WORKS CATCH BASIN TYPE 2 STD. PLAN - 201.00
DEPARTMENT
MARCH 2008