|
Manhole
Sizing Chart |
|
Minimum
Circumferential Clearances
Required |
|
|
 |
| REINFORCED
CONCRETE PIPE |
| PIPE
SIZE |
WALL
B |
WALL
C |
| O.D. |
O.D. |
| 12" |
16" |
18" |
| 15" |
19
1/2" |
21" |
| 18" |
23" |
24
1/2" |
| 21" |
26
1/2" |
28" |
| 24" |
30" |
31
1/2" |
| 27" |
33
1/2" |
35" |
| 30" |
37" |
38
1/2" |
| 33" |
40
1/2" |
42" |
| 36" |
44" |
45
1/2" |
| 42" |
51" |
52
1/2" |
| 48" |
58" |
59
1/2" |
| 54" |
65" |
66
1/2" |
| 60" |
72" |
73
1/2" |
| 66" |
79" |
80
1/2" |
| 72" |
86" |
87
1/2" |
| 78" |
93" |
94
1/2" |
| 84" |
100" |
101
1/2" |
| 90" |
107" |
- |
| 96" |
114" |
- |
| 102" |
121" |
- |
| 108" |
128" |
- |
| 120" |
142" |
- |
|
 |
| MAX.
PIPE SIZE OF RCP |
| MANHOLE
DIA. |
FROM
STRAIGHT THRU TO 135°
ANGLE |
IF
90° ANGLE |
IF
180° ANGLE |
| 48" |
24"
RCP |
18"
RCP |
24"
RCP |
| 60" |
33"
RCP |
27"
RCP |
33"
RCP |
| 72" |
36"
RCP |
33"
RCP |
36"
RCP |
| 84" |
48"
RCP |
36"
RCP |
48"
RCP |
| 96" |
54"
RCP |
42"
RCP |
54"
RCP |
| Chart
to be used to determine
manhole sizing. |
|
Copyright
© 1999 The Cretex Companies, Inc.. All
rights reserved.
Information in this document is subject
to change without notice.
Other products and companies referred to
herein are trademarks or registered
trademarks of their respective companies
or mark holders.