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Using prospective TIA with contractual deadlines

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Bradley Gibbs
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Both the SCL and AACE recognise the inaccuracy that can result from performing TIA when there is a gap between the delay event and the programme status date. The recommendation is generally to update the programme to immediately before the delay event.

The  contract often provides deadlines for the submission of EoT claims, expressed as x days from becoming aware of a critical delay.

If one becomes aware of a delay event which will commence in 30 days time, but the contract requires an EOT claim to be submitted within 20 days of becoming aware, how should one proceed?

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Anders Axelson
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Assuming no unusual provisions in the contract, the time bar clock starts ticking when the effect that the event has on the completion time becomes determinate.

Rafael Davila
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I guess the delay event already started, in this case the delayed activies should follow 20 days after the delay event start, TIA is about adding the delay event(s).

52R-06: Time Impact Analysis AACE 52R-06

4 Most Used Delay Analysis Methods (Their Pros and Cons)

Prospective-Method-2-Time-Impact-Analysis

This is one of the most recommended methods by delay analysis experts. Adopting this method, the baseline schedule should be updated with the actual progress to a point just before the delay event takes place. Therefore, it takes in account the effect of actual progress combined with timing of delay. TIA often undertaken in time slices (windows).

Good luck with the dark arts!