Also known as: NTP
The owner's formal authorization for the contractor to begin work and start the contract clock.
The Notice to Proceed (NTP) is the owner's written go-ahead that officially starts construction — and usually starts the contract time running toward substantial completion. Before NTP, the contractor may be doing preconstruction; after it, the schedule and its milestones are live.
The NTP date anchors the whole schedule: durations, milestones, and liquidated-damages clocks are all measured from it. It's one of the first dates a PM pins down and builds the schedule backward and forward from.
The startup phase of getting people, equipment, and temporary facilities onto the site to begin construction.
The sequence of dependent activities that determines the shortest possible project duration — any slip delays the finish.
The milestone when the work is complete enough for the owner to occupy or use it for its intended purpose.
Definitions get you fluent; reps get you hired. Run a sandboxed construction project and put Notice to Proceed into practice alongside every other workflow that moves a job.
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