The original approved project schedule that all future updates and delays are measured against.
A baseline schedule is the original, owner-approved project schedule established at the beginning of a project against which all subsequent progress and delays are measured. It includes all planned activities, durations, logic relationships, and milestones as agreed upon in the contract. The baseline is never changed; a revised or updated schedule is compared to it to document schedule deviations and support delay claims.
The contractor submitted the baseline schedule for owner approval within 30 days of NTP, establishing the approved record schedule for delay analysis.
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