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Precast Concrete Grease Trap / Interceptor
City of Chicago Super Basin
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Concrete: 5,000 psi @ 28 days
5% - 8% entrained air
Rebar: ASTM A-615 grade 60
Design criteria: a) City of Chicago configuration
b) Loading per ASTM C857, including:
-Earth cover: Min 0' - 9" Max 3' - 0"
-AASHTO HS-20 wheel load & applicable
impact
-Vertical & lateral soil pressures determined
using 120 PCF soil density
-Ground water at 3' - 0" below grade
c) Structural design performed using
AASHTO strength design
d) Reinforcing cover per ACI 318
Notes: a) Contact UCP for custom configurations or
modifications
b) UCP suggests that 1-1/2" of non-shrink mortar should
be placed at the base/lid joint by the installing
contractor.
Openings are steel formed smooth surfaces to accommodate boots.
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| Item |
Description |
Qty. |
| 1 |
Precast concrete |
1 |
| 2 |
4T lifting anchors |
8 |
| 3 |
1" butyl rubber joint sealant
(See Note "B" On Specs Sheet) |
2 rolls |
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