Sheet Metal & Air Conditioning Contractors’ National Association


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Normal Project Duration NECA #5076-04


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This document is an update to an original NECA report, which was published in the early 1980's. New data and information were collected and new methods are presented to provide contractors with additional tools to track productivity using the data in this report as a baseline. Excerpts from the original Normal Project Duration report are used throughout this document. Results shown in this document indicate that electrical contractors are performing work using much shorter durations than 20 years ago. Reductions in project durations were achieved by increasing manpower and using new tools and equipment.