Structural · S-FPDDN

Steel Beam Web Penetration Reinforcement Detail

Materials

Steel

Elements

Roof / Floor Openings

Connections

Welded Connection

About this detail

Plates PL #1, PL #2, PL #3, and PL #4 are attached to the web and flanges of a wide-flange steel beam to reinforce field-cut penetrations. Bevel plates are welded top and bottom with W4 welds, and all reinforcement plates and welding must be completed prior to cutting any penetrations in the field. Plan designations indicate penetration height, length, diameter, and centerlines located below top of steel.

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