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EOT and delay

Revised completion = original Time for Completion + EOT granted. Remaining delay beyond it may trigger delay damages (Sub-Clause 8.8).

EOT

What this tool does

The revised completion date is the original Time for Completion plus the extension granted. Delay beyond that revised date is the base on which delay damages are computed under Sub-Clause 8.8. The arithmetic is deliberately simple: everything contentious sits not here but in justifying the EOT itself — the effect of the event on the critical path.

Where the inputs come from

  • The original completion date — from the Contract Data, allowing for sections where taking over is sectional.
  • The EOT granted — only what the Engineer has determined or the parties have agreed, not what a claim asks for.
  • The actual completion date — the date of taking over, not the date work physically finished on site.

How to read the result

Zero days of delay means only that, on the figures entered, you finished within time. It does not confirm that the EOT granted is sufficient: where part of the extensions claimed is still undetermined, the picture changes once the Engineer determines them. Equally, delay shown here does not equal automatic damages — all outstanding claims have to be dealt with first.

What this tool does not account for

  • Does not perform delay analysis: it does not show which event moved the critical path or by how much.
  • Does not account for concurrency, which normally yields time but not money.
  • Does not handle sectional taking-over — where parts are handed over separately the base differs.
  • Does not compute prolongation costs: extension of time and its cost are separate entitlements on separate evidence.

Questions

What if part of the EOT has not yet been determined by the Engineer?

Run two scenarios: on the extension already determined and on the full amount claimed. The gap between them is your present exposure to delay damages while the determination is outstanding. That same gap is usually what to show management — it reads more clearly than a discussion of individual claims.

Does an EOT extend the Defects Notification Period?

Not directly: the DNP runs from taking over, not from the original completion date. But an EOT moves the taking-over date itself, and with it the start of the DNP and the date of the Performance Certificate. Factor that into the validity periods of bank guarantees — they have to cover the shifted window.