Conduit Spacing, 12\" < 'S' < 4\" / Section At Crossing Conduit

Materials

Glass / Glazing

Elements

Floors / Slabs Anchors / Embeds Reinforcing

Connections

Embed Plate

About this detail

Embedded electrical conduits within a concrete slab are detailed with specific spacing, sizing, and reinforcement requirements. Maximum conduit size is limited to one-sixth of the slab thickness or one and a half inches in outside diameter, whichever is less. Conduits are generally placed at the center of the slab, while crossing conduits are restricted to the middle third of the slab depth with raised profiles and number four reinforcing bars placed at twelve inches spacing above and below each group. Spacing between conduits must be at least four inches or three diameters, with grouping spacings maintaining a minimum twenty-four inch clearance. Additionally, crossovers require a maximum depth of two and a half inches and are prohibited within a twenty-foot zone around internal shear wall pile caps.

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