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Bambrick, B (1994) Construction of an Island. Journal of Construction Engineering and Management, 120(01), 223–7.

Gordon, C M (1994) Choosing Appropriate Construction Contracting Method. Journal of Construction Engineering and Management, 120(01), 196–210.

Grimm, C T (1994) Void Mortar Joints: Bane of Brick Masonry. Journal of Construction Engineering and Management, 120(01), 152–61.

Halligan, D W, Demsetz, L A, Brown, J D and Pace, C B (1994) Action‐Response Model and Loss of Productivity in Construction. Journal of Construction Engineering and Management, 120(01), 47–64.

Ledbetter, W B (1994) Quality Performance on Successful Project. Journal of Construction Engineering and Management, 120(01), 34–46.

Oloufa, A A, Eltahan, A A and Papacostas, C S (1994) Integrated GIS for Construction Site Investigation. Journal of Construction Engineering and Management, 120(01), 211–22.

Riad, N I, Arditi, D and Mohammadi, J (1994) Integrated System for Managing Owner‐Directed Project Acceleration. Journal of Construction Engineering and Management, 120(01), 77–95.

Russell, A D and Fayek, A (1994) Automated Corrective Action Selection Assistant. Journal of Construction Engineering and Management, 120(01), 11–33.

Russell, J S, Gugel, J G and Radtke, M W (1994) Comparative Analysis of Three Constructability Approaches. Journal of Construction Engineering and Management, 120(01), 180–95.

Rwelamila, P D (1994) Group Dynamics and Construction Project Manager. Journal of Construction Engineering and Management, 120(01), 3–10.

Tanwani, R and Iseley, D T (1994) Tracking and Steering Systems in Trenchless Construction. Journal of Construction Engineering and Management, 120(01), 65–76.

Teicholz, P and Fischer, M (1994) Strategy for Computer Integrated Construction Technology. Journal of Construction Engineering and Management, 120(01), 117–31.

Thabet, W Y and Beliveau, Y J (1994) Modeling Work Space to Schedule Repetitive Floors in Multistory Buildings. Journal of Construction Engineering and Management, 120(01), 96–116.

Thomas, H R and Sakarcan, A S (1994) Forecasting Labor Productivity Using Factor Model. Journal of Construction Engineering and Management, 120(01), 228–39.

  • Type: Journal Article
  • Keywords: Forecasting; Productivity; Labor; Performance characteristics; Project management;
  • ISBN/ISSN: 0733-9364
  • URL: https://doi.org/10.1061/(ASCE)0733-9364(1994)120:1(228)
  • Abstract:
    This paper uses data from 22 masonry projects to compare two approaches for forecasting labor productivity. The first approach is to divide the current work‐hour total by the percent complete (PC) of the activity. The second method uses the factor model to develop a predicted labor‐productivity curve. Actual deviations from this curve are reflected in the labor‐productivity forecast at completion. The paper details how the predicted curve and the forecast are made. Absolute and relative errors are the basis of comparison. On average, the factor‐model forecasts are within ±5% when only 5% of the work is completed. The range based on the standard deviation is ±25%. The PC approach is equally as accurate when considering the average of the 22 projects. However, the range of error is consistently about 50% larger. It is concluded that the factor model is a more reliable method of forecasting labor productivity.

Warszawski, A and Rosenfeld, Y (1994) Robot for Interior‐Finishing Works in Building: Feasibility Analysis. Journal of Construction Engineering and Management, 120(01), 132–51.

Wu, R W and Hadipriono, F C (1994) Fuzzy Modus Ponens Deduction Technique for Construction Scheduling. Journal of Construction Engineering and Management, 120(01), 162–79.