Structural · S-4D92A

Typical Elevator Pit Detail

Materials

Concrete Reinforced Concrete Steel Masonry / CMU

Elements

Columns Walls Floors / Slabs Foundations / Footings Arches Anchors / Embeds Connections / Plates Reinforcing

Connections

Base Plate / Anchorage Rebar Splice / Development

About this detail

The elevator pit foundation wall bears on a concrete footing reinforced with number five bars at twelve inches on center each way top and bottom, featuring a two-by-four beveled keyway and water stop. A concrete slab on grade ties into the top of the wall with continuous top and bottom reinforcing bars measuring number four by four feet at twelve inches on center. At the rail support column, a steel base plate rests on one and one-half inches of non-shrink grout atop a concrete pier measuring eight by eighteen inches with four number five vertical bars and three sets of number three ties at eight inches on center in the top five inches. Horizontal wall reinforcement runs continuously through the pier. The sump pit incorporates a stepped footing with matching mat foundation reinforcement and coordinated sizing per architectural plans.

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