Structural · S-EPDAA

Typical Sump in Elevator Pit

Materials

Concrete

Elements

Walls Floors / Slabs Anchors / Embeds Reinforcing

Connections

Rebar Splice / Development Embed Plate

About this detail

A concrete sump pit and elevator pit wall connection assembly includes the elevator pit wall resting on a concrete foundation with #5 reinforcing bars at twelve inches on center each way top and bottom, featuring a two-by-four beveled keyway that is continuous or intermittent. The wall includes horizontal and vertical reinforcement, dowels matching the vertical wall reinforcement above, and a one-quarter-inch roughened construction surface. An L8x4x1/2 by ten-inch angle with two three-quarter-inch by six-inch heavy stud anchors at five-inch gauge and two half-inch diameter by six-inch deformed bar anchors at nine-inch gauge provides elevator rail support. The sump pit section comprises a concrete footing and wall with bent bars matching the size and spacing of the concrete foundation footing reinforcement, three inches of minimum cover, and three inches of embedment. A galvanized steel grate with one-inch by three-sixteenth-inch bearing bars at one and three-sixteenths inches on center and cross bars at four inches on center sits in the pit, supported by L3x3x1/4 angles with half-inch diameter mechanical anchors, two per side.

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