Spec vs Drawing Review: Why Drawings and Specs Never Match
Spec versus drawing review is one of the biggest gaps in construction. Teams tell us plans and specs never match—and that catching those conflicts before signing contracts or sending to the city is exactly what they use AI plan check for.
“Spec versus drawing review is one of the biggest gaps and challenges we have in signing contracts and reviewing plans—they never match. I’m trying to find a way to expedite that process.”
— Multifamily / development team (Mar 2026)
“Drawing vs spec is exactly what I would use it for”
Contractors and civil teams say the same thing: the monotonous back-and-forth of making sure details talk to the specs is where AI helps most. One civil engineering lead put it simply: drawing vs spec is exactly what I would use it for—the tedious cross-checking that would otherwise turn into RFIs in construction.
Architects often copy-paste specs from previous jobs; many things don’t match the actual project. AI compares every callout, dimension, and material between the spec book and the drawings and flags conflicts with evidence—so you can fix them before permit or bid instead of in the field.
What gets caught
- Material conflicts (e.g. drawing says 3,000 PSI, spec requires 3,500 PSI)
- Dimension conflicts (e.g. storefront depth 6½" on drawing vs 4½" in spec)
- Installation and backfill requirements (drawing says backfill immediately, spec says test first)
- Placeholder text (e.g. XXX for model numbers) left in permitted sets
Catch spec vs drawing conflicts before they become RFIs
Upload your drawings and spec book. Get a prioritized list of conflicts with evidence in 1–2 hours. One issue fixed can pay for the whole check.
5+ issues guaranteed or full refund — no questions asked
From $50, cheaper than one RFI. No per-user fees. Share with your entire team. Invoice available for enterprise.
See sample report (282 issues found)
Not sure yet? Upload a completed project you already know — see what we catch. Most teams validate, then roll out across every job.
Upload all project PDFs: drawings, specs, codes, checklists, shop drawings, submittals, contracts, zoning codes, city comments. AI checks everything against everything.
187,000+ issues caught across 500+ engineering and construction firms
One issue found pays for the whole check