Structural · S-VBM6W

Pipe and Conduit Penetrations through Slabs and Walls

Elements

Walls Floors / Slabs Reinforcing Roof / Floor Openings

About this detail

Sleeves and conduits passing through concrete slabs and walls require specific spacing and size limitations to maintain structural integrity. The maximum sleeve diameter is limited to one-third of the slab or wall thickness, or two inches, whichever is smaller, with additional restrictions applicable to post-tensioned slabs. Clear distances between adjacent sleeves must maintain a minimum spacing of three times the diameter or four inches. Where adequate clear distance between sleeves cannot be achieved, the congested area must be treated as a structural opening per designated details.

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