The planning phase before construction starts where the contractor helps the team design within budget and schedule.
Preconstruction is the project phase before construction begins during which the contractor provides services such as estimating, scheduling, constructability review, subcontractor prequalification, and value engineering in collaboration with the design team and owner. Preconstruction services are common in CM at Risk and GMP contracts and allow early identification of cost and schedule risks before the design is finalized.
During preconstruction, the CMAR reviewed the mechanical drawings and flagged a rooftop unit that exceeded the building's structural capacity, saving a costly redesign later.
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