48" Type MA Manhole
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STRUCTURE NAME |
48" Type MA Manhole |
STRUCTURE CATEGORY |
Stormwater |
|
|
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.
|
Flat top lid: 4-6-8" |
d.
|
Base section with pipe openings |
e.
|
Cast-in-place slab |
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