48" Type A Manhole
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| STRUCTURE
NAME |
48"
Type A Manhole |
| STRUCTURE
CATEGORY |
Sanitary |
| |
|
| SPECIFICATIONS |
|
source
|
DM
Urban Standard |
concrete
|
4000
psi |
reinforcing
|
DM
Urban Standard |
| |
|
| DESCRIPTION |
|
inside
dimension
|
48" |
wall
thickness
|
5" |
weight
(per vert. foot)
|
1000
pounds |
| |
|
| STRUCTURE
COMPONENTS |
|
a.
|
Manhole casting
and cover |
b.
|
Adjustment rings:
2-4-6" |
c.
|
Eccentric cone |
d.
|
Riser section
in 1-2-3-4-5' sections |
e.
|
| Base section with integral floor,
invert & pipe gaskets |
|
|
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