Jobsite management functions and associated staffing levels among both Owners and Contractors have increased in number and complexity in response to the demands for greater levels of jobsite management. However, there is little published guidance or clarity on jobsite organization metrics or approaches. The primary purpose of this research was to identify and describe industry norms pertaining to jobsite Owner and Contractor organizational functions and staffing levels. This is the first jobsite organization benchmarking study of its kind.Benchmark metrics derived from this research pertain to Owner and Contractor jobsite organization size and constituent roles. Organization size has been reported and analyzed in terms of both staff full-time equivalent (FTE) and craft-to-staff ratio (CSR).For the sample of projects examined, jobsite organization team size and CSR metrics vary significantly under certain project characteristics. Norms regarding FTE and CSR metrics and the knowledge behind such information are reported in this paper. Also, the sampled projects suggest that there are six jobsite organization core roles for Owners and 16 such roles for Contractors, which are essential to jobsite team staffing.It's evidential from the results that most project managers participating this research would do differently, by adapting the new information generated by new logic and metrics, to improve project performance.
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