Structural · A-Z4MBH

Sump Pit

Materials

Concrete Reinforced Concrete

Elements

Arches Drainage Floors / Slabs Foundations / Footings Reinforcing Walls Waterproofing / Flashing

Connections

Rebar Splice / Development

About this detail

The cast-in-place concrete sump pit features an eight-inch thick reinforced wall matching the thickness and reinforcing of the wall above. The twelve-inch thick base slab includes number five reinforcing bars at twelve inches on center each way, top and bottom, with three inches of clear cover typical. Vertical reinforcement utilizes number five bars with standard hooks at each end spaced at twelve inches on center maximum, centered typically, alongside number five horizontal bars at twelve inches on center maximum, centered typically. Waterstops are integrated at construction joints per architectural drawings, and exterior waterproofing is applied per architectural specifications. A grate and grate support are provided over the sump pit by others, set flush with the slab per plan.

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