Structural · S-2Z7A5

Pipe Penetration and Parallel Trench Details at Concrete Footings

Materials

Concrete Masonry / CMU

Elements

Walls Foundations / Footings Anchors / Embeds Connections / Plates

Connections

Embed Plate

About this detail

Mechanical and civil pipes run parallel to or pass through concrete footings and foundation walls. Pipes passing through or below footings require sleeves with one inch minimum clearances, non-shrink grout, and additional reinforcement matching the continuous footing reinforcement. Where pipes pass through the footing, continuous footing reinforcement is interrupted, and twelve inches minimum clearances are provided. Top bars consist of two number four longitudinal bars and number four bars at twenty-four inches on center crosswise, with bottom bars sized per schedule. A back-filled trench running parallel to the footing requires the bottom of the trench to stay above a projected line drawn from the footing at a slope, maintaining a minimum two-foot horizontal separation.

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