What to Include in a Good Construction Timeline
Maintaining a detailed timeline of events will support an extension of time and cost claim. But not all timelines are created equal and some are better than others.
To effectively support construction claims, here are key types of data you should record and reference in your timeline.
Contract Milestones
Evidence of the dates of the commencement and completion of critical activities as outlined in the contract and baseline program.
Daily Logs
Detailed daily reports that include work completed, equipment used, manpower, weather conditions, and any delays, incidents or out of scope activities.
Progress Updates
Regular updates of the baseline program compared to the planned schedule including the insertion of actual progress and any delay activities. This includes photographic evidence of progress.
Correspondence
This encompasses all project-related exchanges, such as emails, letters, and meeting minutes, that address or influence the project timeline and any cost changes.
Variation and Change Orders
Recorded scope changes should detail the authorizers, timing, their impact on the timeline, and associated extra costs.
Delays and Disruptions
Specific records of any events that caused delays or disruptions, including their causes, whether they were within control of the project team, and their impact on the project schedule.
Resource Allocation
Records of resource allocation, such as labour, materials, and equipment, particularly when there are deviations from the original plan.
Official Documentation
Permits, inspections, and approvals from authorities, including any delays in obtaining them.
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