Abstract: This paper is mainly concerned with evaluating the validity of the Craftsman Questionnaire for determining lost manhour estimates. The validity of the Craftsman Questionnaire has been questioned since it was introduced in ...

Abstract: Craftsman Questionnaire Sampling (CQS) was recently developed for performance measurement and productivity improvement at construction sites. CQS uses a questionnaire to collect data. It has the virtues of the Craftsman ...

Abstract: Various methods are employed to measure labor utilization during power plant construction, one of which is work sampling. Work sampling attempts to evaluate how the work force spends its time at work. This provides timely ...

Abstract: Subsurface ground conditions present a big factor of uncertainty in a construction project. It is difficult to determine subsurface ground conditions even with a prebid site investigation. Nevertheless, such conditions ...

Abstract: This paper briefly characterizes today’s United States (U.S.) construction workforce, and attempts to provide evidence for what the construction industry most values in its workers. It presents the social and demographic ...

Abstract: This paper attempts to identify characteristics which diffirentiate productive industrial construction foremen from less productive industrial construction foremen. The first section, data collection methodology, explains ...

Abstract: Improvement of productivity in construction has been a major industry challenge, given its high impact on project results. It has received increased attention from construction researchers promoting different enhancement ...

Abstract: Construction productivity trends carry immense consequences for the economy as a whole. However, there is little scholarly consensus concerning even the direction of such trends. The main objectives of this paper are to ...