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INDUSTRY FIELD GUIDE

Structural steel and precast member identity data for AI

A drawing and an installed member may have similar marks for different locations.

By Fiund · Updated 2026-11-05

NAICS 238120 · Structural Steel and Precast Concrete Contractors

A drawing and an installed member may have similar marks for different locations. OSHA’s steel erection materials provide context for this work. An offline exercise can test identity and observation without asking a model to direct installation. OSHA steel erection site preparation

Use tabletop props and a simplified plan. Give a fictional beam and a panel separate marks, then change one location in a revision. Use two views of each prop. Ask which observations support each member’s recorded location and whether the obscured mark needs another view. A reviewer should score identification independently of any engineering judgment.

Do not record lifting, connection work, active equipment, site details, client plans, or identifiable workers. Use approved inert props and original documents.

Describe a tabletop member identification sample

Original Fiund exercise

A changed location applies to the named member alone

A foam beam and a cardboard precast-panel prop have similar short marks. An original practice plan changes one location, and two image views differ in label visibility.

Fictional records supplied to the evaluator
RecordSourceWhat it records
SP1Practice plan revision ABeam B-12 assigned slot 1; panel P-12 assigned slot 2.
SP2Plan revision BB-12 moves to slot 3; P-12 remains slot 2. Revision B supersedes A for the beam location.
SP3Approved tabletop imagesView 1 shows B-12 label at slot 3. View 2 shows a panel-shaped prop at slot 2, with its P-12 mark covered.

Question for the model

Which member-to-location association is visibly supported under revision B, and what remains unresolved for the panel?

Show the reference answer and checks

SP2 and SP3 support B-12 at its revised slot 3. The plan keeps P-12 assigned to slot 2, and an image shows a panel-shaped prop there, but the covered mark prevents direct identity confirmation. Shape and planned position do not establish the observed P-12 identifier. Preserve the panel assignment as documented and its visual identity as unresolved, without making an installation or engineering approval.

  • Applying the beam's slot change to the panel because both marks end in 12.
  • Calling the covered panel mark verified from its expected slot and shape alone.

Fields to preserve

Full member mark and type
Distinguishes B-12 from P-12.
Revision-specific location
Preserves the localized plan change.
View and mark visibility
Separates planned placement from observed identity.

Test another case

Reveal P-13 on the slot-2 panel in a second view. Require a conflict against the P-12 assignment rather than silent relabeling of the plan.

Use approved inert tabletop props and independent documents. Do not record lifting, connections, active equipment, client plans, locations or identifiable workers.

Download this fictional example and answer key (JSON)

Discuss a contribution

Describe the sources you control, the task they could support and what has already been checked. Use the existing-data assessment for an archive or the collection brief for a new recording project. The contributor agreement defines Fiund’s licensing authority and compensation. A guide or fictional exercise does not establish an accepted collection or a sale.

Primary sources and further reading