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Run: Structural Steel Built-Up Section Fabrication Inspection

Use this structural steel built-up section fabrication inspection to verify web, flange, and splice welds, dimensions, alignment, and shop drawing conformanc...

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Inspection Details and Document Control

Verify the inspected member is being checked against the correct approved shop drawing revision and fabrication release.
Check that the fabricated member can be traced to material certifications and shop records.
Confirm the inspection plan identifies required visual inspection, NDT, and any hold/witness points.
Document who performed the inspection and when it was completed.

Material Preparation and Fit-Up

Verify web, flange, cover plate, and splice plate materials match specified grade and dimensions.
Inspect prepared edges for burrs, laminations, excessive gouging, or contamination that could affect weld quality.
Measure the actual fit-up gap at web, flange, and splice joints.
Confirm the assembly is held to prevent movement, distortion, or misalignment during welding.
Inspect tack welds for cracking, lack of fusion, or placement that interferes with final weld quality.

Web, Flange, and Splice Weld Quality

Confirm the weld process, filler metal, and welder qualifications are appropriate for the fabricated joint.
Inspect the longitudinal welds joining the web and flange for cracks, undercut, overlap, porosity, or incomplete fill.
Check splice welds for proper preparation, sound tie-in, and acceptable reinforcement/profile.
Measure representative weld size or leg length where applicable.
Verify the finished weld zone is free of cracks, arc strikes, gouges, and incomplete repairs.
Confirm any required VT, MT, UT, or other NDT has been performed and accepted per project requirements.

Dimensional Accuracy and Alignment

Measure the overall fabricated length of the built-up section.
Check for bow, camber deviation, twist, or flange offset beyond allowable limits.
Measure the actual section depth and flange spacing at required locations.
Verify splice placement, orientation, and match marks correspond to the approved layout.
Measure the member's geometric deviation from the specified shape.

Surface Condition, Marking, and Protection

Check the weld and coating preparation areas for contamination that could affect quality or coating adhesion.
Verify any grinding or weld cleanup has not created gouges, sharp notches, or excessive base metal removal.
Confirm identification marks are present and readable for shipping and erection.
Check for leftover tabs, clips, or attachments that should have been removed after fabrication.

Final Disposition and Sign-Off

Ensure any deficiency has a documented NCR, repair plan, or engineering disposition.
Indicate whether repaired areas must be rechecked before release.
Overall disposition of the fabricated built-up section.
Inspector sign-off confirming the inspection was completed and recorded accurately.

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