This foundation detail establishes the required clearance and elevation relationship between a parallel utility trench and a concrete footing. The backfilled trench maintains a two-foot minimum horizontal separation from the edge of the footing. The bottom of the trench must remain above a line projected upward at a two-to-one slope from the bottom edge of the footing. Pipe dimensions and materials are sized per civil drawings, while the concrete footing is sized per structural plans and schedules.
BACK-FILLED TRENCH PIPE, SEE CIVIL BOTTOM OF TRENCH SHALL BE ABOVE THIS LINE CONCRETE FOOTING, SEE PLAN AND SCHED 1 2 2'-0" MIN 6"
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