Evidence basis
Pilot-recorded internal evidence drawn from the build artefacts described in the Construction Take-off Suite dossier. It is not an independent third-party certification.
- The corpus included 2,325 PDF pages and 682 CAD files.
- Nine sampled section quantities were independently re-derived; all nine matched the persisted calculations.
- The issued client bill contained no numeric quantity cells, so an engine-versus-client quantity benchmark could not be computed.
Read with scope
These constraints travel with the metrics. They are part of the result, not fine print.
- The quantity benchmark was correctly declared NOT_COMPARABLE because the issued bill was unquantified.
- The 46-of-47 result measures mark coverage only. It must not be presented as quantity accuracy.
- The bill was not fully automated: 979 of 1,466 lines were machine-quantified and 487 were explicitly assigned to manual review.
- The nine matching re-derivations were an audit sample, not verification of every bill line.