12' - 0" X 6' - 0" X 7' - 0" Type J4 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) 6" Ø duct terminator sch 40
e) Custom configurations and/or locations
Design criteria: a) ASTM C858
b) Loading per ASTM C857,
Including:
-Earth cover: 2' - 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: 14,220#
Base section: 13,425#
Total manhole: 27,645#
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| Item |
Description |
Qty. |
| 1 |
1/2" Ø plastic cable rack inserts & 1/2" x 2-1/4" hex head bolts |
64 |
| 8 bonding ribbon assy's including: |
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| 2 |
1/4" Ø x 1" inserts & hex bolts |
8 |
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1/16" x 3/8" soft tinned copper bonding ribbon |
12' |
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5/8" cable clamps |
8 |
| 3 |
Pulling irons: 1" Ø steel, hot dipped galvanized (provisions for two additional pulling irons) |
4 |
| 4 |
4T lifting anchors |
12 |
| 5 |
Sump depression w/ plastic lid |
2 |
| 6 |
1" butyl rubber joint sealant |
4
rolls |
| 7 |
Rebar |
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| 8 |
4" Ø duct terminator |
12 |
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30" Ø Standard Manhole Frame and Cover
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