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BOM Compare guide

Compare original and revised BOM or material exports and produce a revision-impact report.

VDC/BIM, prefab, procurement, and project teamsUpdated May 10, 2026

Common questions this answers

  • Which file is original vs revised?
  • What counts as added, removed, or quantity changed?
  • Can I compare only selected breakdowns?
  • Can I compare if there are no part codes?
  • Can I export a report?

Inputs

Upload the previous/original export and the latest/revised export. Partrek compares them by part-number identity or description identity and quantity after column confirmation.

Project scope

If the files contain a full project but the current review only covers selected ISOs, floors, areas, levels, phases, zones, packages, or work packages, use Comparison scope. The report will only include rows inside the selected breakdown scope.

Outputs

  • Added material.
  • Removed material.
  • Quantity-changed material.
  • Rows needing review.
  • Audit/process summary for the report.

Review before handoff

Use the report to support procurement, prefab, or project review. It should be reviewed by the responsible team before purchase orders, fabrication, or customer submission.