Building a delay claim you can actually defend.

An extension-of-time claim is an argument, and an argument is only as strong as its evidence. The hardest part is rarely proving that something slipped — it's proving when it slipped, who caused it, and what it did to the finish date, using records that were created at the time rather than reconstructed for the dispute.

Contemporaneous beats reconstructed

The single most important property of delay evidence is that it was captured contemporaneously — as events happened. A timestamped field update from the week of the slip carries far more weight than a narrative written months later. OPTEAM timestamps every progress reply and field update automatically, so the record builds itself as the project runs.

Claimed vs verified progress

A defensible claim distinguishes what a party claimed from what was independently verified. When contractor-reported progress and QC-verified progress diverge, that gap is often the heart of the dispute. OPTEAM tracks both side by side, so the difference is documented continuously rather than argued retrospectively.

The gap between claimed and verified progress is where most delay disputes are won or lost.

A clean responsibility trail

Owners, contractors and consultants each contribute delays. A claim that lumps them together invites challenge. OPTEAM attributes each slip to a party and a cause, and shows its impact on the longest path — so responsibility is traceable activity by activity.

• Owner-caused — late approvals, design changes, access restrictions.
• Contractor-caused — resource shortfalls, rework, sequencing.
• Neutral / concurrent — weather and genuinely concurrent delays, isolated cleanly.

Tie it to the finish date

Finally, a delay only matters to a claim if it moved the completion date. By rebuilding the critical path on every update, OPTEAM shows whether a given slip actually consumed float or pushed the finish — turning "we were delayed" into "this activity moved the date by eleven days, here's the chain."