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Bakens, W (1997) International Trends in Building and Construction Research . Journal of Construction Engineering and Management, 123(02), 102–4.

Crowley, L G, Lutz, J D and Burleson, R C (1997) Functional Illiteracy in Construction Industry . Journal of Construction Engineering and Management, 123(02), 162–70.

Hampson, K and Tatum, C B (1997) Technology Strategy and Competitive Performance in Bridge Construction . Journal of Construction Engineering and Management, 123(02), 153–61.

Kartam, N A (1997) Integrating Safety and Health Performance into Construction CPM . Journal of Construction Engineering and Management, 123(02), 121–6.

Luiten, G T & and Tolman, F P (1997) Automating Communication in Civil Engineering . Journal of Construction Engineering and Management, 123(02), 113–20.

Noyce, D A and Hanna, A S (1997) Planned Schedule Compression Concept File For Electrical Contractors . Journal of Construction Engineering and Management, 123(02), 189–97.

Peng, J L, Yen, T, Lin, Y, Wu, K L and Chen, W F (1997) Performance of Scaffold Frame Shoring under Pattern Loads and Load Paths . Journal of Construction Engineering and Management, 123(02), 138–45.

Riley, D R and Sanvido, V E (1997) Space Planning Method for Multistory Building Construction . Journal of Construction Engineering and Management, 123(02), 171–80.

Sillars, D N and Kangari, R (1997) Japanese Construction Alliances . Journal of Construction Engineering and Management, 123(02), 146–52.

Thomas, H R and Raynar, K A (1997) Scheduled Overtime and Labor Productivity: Quantitative Analysis . Journal of Construction Engineering and Management, 123(02), 181–8.

  • Type: Journal Article
  • Keywords:
  • ISBN/ISSN: 0733-9364
  • URL: https://doi.org/10.1061/(ASCE)0733-9364(1997)123:2(181)
  • Abstract:
    This paper describes a study of 121 weeks of labor productivity data from four industrial projects. The objective is to quantify the effects of scheduled overtime. First, it describes how the data were collected, processed, and analyzed. The results show losses of efficiency of 10–15% for 50and 60-h work weeks. The results compare favorably to other published data including the Business Roundtable (BRT) curves. Therefore, it was concluded that the BRT curve is a reasonable estimate of losses that may occur on average industrial projects. Second, this paper addresses the reasons for efficiency losses. For this analysis disruptions in three categories—resource deficiencies, rework, and management deficiencies—were analyzed. The analyses showed that the disruption frequency, which is the number of disruptions per 100 work hours, worsened as more days per week were worked. This led to the conclusion that losses of efficiency are caused by the inability to provide materials, tools, equipment, and information at an accelerated rate.

Wakefield, R R and Sears, G A (1997) Petri Nets for Simulation and Modeling of Construction Systems . Journal of Construction Engineering and Management, 123(02), 105–12.

Yates, J K and Aniftos, S (1997) International Standards and Construction . Journal of Construction Engineering and Management, 123(02), 127–37.