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Ayyub, B M and Haldar, A (1984) Project Scheduling Using Fuzzy Set Concepts. Journal of Construction Engineering and Management, 110(02), 189–204.

Collier, C A and Jacques, D E (1984) Optimum Equipment Life by Minimum Life‐Cycle Costs. Journal of Construction Engineering and Management, 110(02), 248–65.

Grimm, C T (1984) Facade Topography in Masonry Failure Investigation. Journal of Construction Engineering and Management, 110(02), 145–51.

Hulshizer, A J and Desai, A J (1984) Shock Vibration Effects on Freshly Placed Concrete. Journal of Construction Engineering and Management, 110(02), 266–85.

Jaafari, A (1984) Criticism of CPM for Project Planning Analysis. Journal of Construction Engineering and Management, 110(02), 222–33.

Koehn, E and Espaillat, C A (1984) Costs and Benefits of MBE Rules in Construction. Journal of Construction Engineering and Management, 110(02), 235–47.

Maloney, W F and Jones, T W (1984) Labor‐Management Cooperation: Operation MOST. Journal of Construction Engineering and Management, 110(02), 205–21.

Rogge, D F (1984) Delay Reporting Within Cost Accounting System. Journal of Construction Engineering and Management, 110(02), 289–92.

Thomas, H R, Guevara, J M and Gustenhoven, C T (1984) Improving Productivity Estimates by Work Sampling. Journal of Construction Engineering and Management, 110(02), 178–88.

  • Type: Journal Article
  • Keywords: Sampling; Productivity; Construction management;
  • ISBN/ISSN: 0733-9364
  • URL: https://doi.org/10.1061/(ASCE)0733-9364(1984)110:2(178)
  • Abstract:
    Theoretical aspects are presented to evaluate the adequacy of work sampling as a surrogate productivity measure. A 10‐week study is described in which work sampling data were gathered simultaneously with earned value information for a 10‐man, small‐bore pipefitter crew. Two forms of work sampling data were gathered that differed principally in the definition of direct work. The direct work percentages are statistically correlated to the ratio of earned to actual man‐hours, and it is shown that the Pearson product‐moment correlation coefficient could be improved by as much as 86% if the definition of direct work is restricted. The probability of a Type I statistical error is also greatly reduced. Data summarized according to 5‐ or 7‐day moving averages is found to be more reliable than daily or weekly averages. It is shown how a prediction equation could be developed. The slope of this equation suggests that rather significant changes in the earned to actual man‐hour ratio are reflected by rather small changes in direct work.

Thomas, H R, Heuer, D W and Filippelli, R L (1984) Settlement of Construction Jurisdictional Disputes. Journal of Construction Engineering and Management, 110(02), 165–77.

Van Der Meulen, G J R and Money, A H (1984) The Bidding Game. Journal of Construction Engineering and Management, 110(02), 153–64.