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Categorizes cranes from Class A (Standby) to Class F (Continuous Severe Service) to ensure the crane is designed for its specific duty cycle [1]. Where to Find the PDF:

Crucially, CMAA 70 states that the CM will perform services with "professional skill and care," equivalent to that of other construction managers in the same locality—a vital clause for liability litigation.

The CMAA 70 2020 PDF is a valuable resource for construction management professionals, including construction managers, owners, contractors, and project managers.

Unlike general construction contracts (like AIA or ConsensusDocs), CMAA 70 is specifically tailored for the . In an agency CM role, the construction manager acts solely in the owner’s best interest, without acting as a subcontractor or assuming trade contractor risk. The CMAA 70 document codifies this unique relationship.