Civil · C-CED5H

Section a Drainage Inlet

Materials

Concrete Reinforced Concrete Steel Stone

Elements

Columns Beams Walls Floors / Slabs Drainage Anchors / Embeds Reinforcing Roof / Floor Openings

Connections

Welded Connection Rebar Splice / Development Embed Plate

About this detail

A heavy-duty aircraft-rated drainage inlet section features reinforced concrete walls supported by a 24-inch-thick base slab resting on 12 inches of compacted granular backfill. The base slab is detailed with number 5 face bars at 12 inches on center and a continuous 2-inch by 6-inch wide keyway along the wall joint equipped with a jet fuel-resistant continuous waterstop on all sides. The concrete walls incorporate number 6 vertical bars each face doweled into the base slab, number 6 horizontal bars at 6 inches on center each face on four sides, and number 4 ties at 12 inches on center from the top of the wall to 5 feet below. The top of the structure accommodates a heavy-duty aircraft-rated grate spanning up to 6 feet with variable pipe diameters entering the walls, supplemented by concrete fill and specific reinforcing around pipe openings per detail L1 on CU501.

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