02 · Engines

As-built Reconciler

01 · Engines

What it does

Aligns original drawings with field markups (red lines), classifies each redline (dimension change · fixture move · addition · deletion · callout), and cross-checks against approved RFIs and COs. Generates the as-built drawing set.

02 · Engines

Inputs

03 · Engines

Detection · drawing-to-markup match

The engine matches each markup back to its original sheet using a vision transformer. Redlines are detected via red-channel pixel analysis + LLM segmentation.

04 · Engines

Cross-check against changes

For every detected redline:

05 · Engines

Output · the as-built sheet set

Original drawing with the redline applied + a citation list at the bottom of each sheet pointing to the RFI/CO that authorized each change. The closeout-ready PDF.

06 · Engines

Photo-based redlines · v1.1

Phase 1 supports PDF redlines only. Photos of paper redlines are queued for v1.1 (CV quality varies). Use the iPad to scan paper redlines as PDF for best results today.

★ · Still stuck?

Email support.

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