Lead magnet

Scan-to-BIM LOD & tolerance matrix

A practical matrix you can paste into RFPs and BEPs. Submit the form to get the editable table template emailed — and keep the reference version below.

Element classSuggested LODTolerance discussionDefault exclude?
Primary structure / slabs / cores300–350±5–10 mm if scan supportsNo
Architectural walls & openings300±5–15 mm; openings verifiedNo
Main duct / pipe trunks300–350Centerline + ODNo
Small-bore / flexible200 or excludeDo not imply fab accuracyOften yes
Equipment300Clearance-critical verifiedCase-by-case
LOD 500 claims500 only if verifiedPer-element QA required