Structural · S-R27F2

Elevator Pit Wall and Foundation Detail

Materials

Concrete Stainless Steel

Elements

Walls Floors / Slabs Foundations / Footings Waterproofing / Flashing Anchors / Embeds Reinforcing

Connections

Rebar Splice / Development

About this detail

A reinforced concrete elevator pit extends below the basement level, featuring a twenty-inch thick elevator pit slab bearing on piles where required. The pit walls are constructed of ten-inch thick concrete reinforced with number five bars at twelve inches on center each way, transitioning to a one-foot thick basement wall above with vertical and horizontal reinforcing dowels spliced with couplers as needed. A drainage board and appropriate drainage layer are specified behind the wall above elevation eight feet to prevent hydrostatic pressure buildup. Temporary shoring is required near the top of the basement wall until the slab above has reached its twenty-eight day strength.

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