Scheduling

Scheduling

Scheduling is an important aspect of any type of public works project. However, its role in claims and extensions of time in public works contracts is absolutely critical. The contract, and resultant milestones and schedules, provides expected completion dates, and serves as the basis for coordination of the various subcontractors and trades involved. The series of approved and modified schedules, including as-bid, as-impacted, and as-built, are often utilized as the key documentation with regard to disputes over timely performance.

Two types of scheduling methods are used in the construction industry: the critical path method (CPM) and bar charts.

The CPM method depicts the flow of time and work. It identifies the critical activities of the project and the duration of each activity, along with critical deadline dates.

Bar charts are the more dated form of scheduling. The chart identifies the start and completion dates of particular activities, providing visual clarity. These charts are often prepared for presentation purposes, but are not as useful as the CPM.

Various construction phases and activities are identified and organized into these detailed schedules, which are updated as a project progresses, reflecting the contractor's equipment purchases, and completion or various phases of construction.