15' - 0" X 6' - 0" X 7' - 0" Precast Concrete Manhole
Typical Precast Concrete Manhole Installation
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Concrete: 5,000 psi @ 28 days
5% - 8% entrained air
Rebar: ASTM A-615 grade 60
Available duct entrances: a) Standard KO window
b) 4" Ø duct terminator specify tele duct or sch 40
c) 5" Ø duct terminator sch 40
d) Custom configurations and/or locations
Design criteria: a) ASTM C858
b) Loading per ASTM C857,
Including:
-Earth cover: Min 1' - 0" Max 5' - 0"
-AASHTO HS-20 wheel load & applicable impact
-Vertical & lateral soil pressures determined using 120 PCF
soil density
c) Ground water at 3' - 0" below grade
d) Reinforcing cover per ACI 318
Weight: Top section: 18,505#
Base section: 17,195#
Total manhole: 35,700#
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| Item |
Description |
Qty. |
| 1 |
1/2" Ø galvanized steel cable rack inserts With 1/2" x 2-1/4" Hex Head Bolts |
36 |
| 2 |
Pulling irons: 1" Ø steel, hot dipped galvanized |
4 |
| 3 |
4T lifting anchors |
8 |
| 4 |
Sump depression w/ plastic lid |
1 |
| 5 |
1" butyl rubber joint sealant |
5 rolls |
| 6 |
Rebar |
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| 7 |
1" Ø x 5-1/2" ground wire hole 1/2" KO |
2 | |
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30" Ø Standard Manhole Frame and Cover
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