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Quantifying the Impact of Schedule Compression on Labor Productivity for Mechanical and Sheet Metal Contractor |
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| Authors: | Chul-Ki Chang Awad S. Hanna Jeffery A. Lackney Kenneth T. Sullivan |
| Affiliation: | 1Research Fellow, Construction and Economy Research Institute of Korea, 71-2 Nonhyundong, Kangnamgu, Seoul, Korea. E-mail: ckchang@cerik.re.kr 2Professor, Construction Engineering and Management Program Chair, Dept. of Civil and Environmental Engineering, Univ. of Wisconsin–Madison, 2314 Engineering Hall, 1415 Engineering Dr., Madison, WI 53706. E-mail: hanna@engr.wisc.edu 3Assistant Professor, Dept. of Engineering Professional Development, Univ. of Wisconsin–Madison, Room 825, 432 N. Lake St., Madison, WI 53706. E-mail: lackney@epd.engr.wisc.edu 4Assistant Professor, Del E. Webb School of Construction, Arizona State Univ., 136 USE, Tempe, AZ 85287. E-mail: Kenneth.sullivan@asu.edu |
| Abstract: | In a typical construction project, a contractor may often find that the time originally allotted to perform the work has been severely reduced. The reduction of time available to complete a project is commonly known throughout the construction industry as schedule compression. Schedule compression negatively impacts labor productivity and consequently becomes a source of dispute between owners and contractors. This paper examines how schedule compression affects construction labor productivity and provides a model quantifying the impact of schedule compression on labor productivity based on data collected from 66 mechanical and 37 sheet metal projects across the United States. The model can be used in a proactive manner to reduce productivity losses by managing the factors affecting productivity under the situation of schedule compression. Another useful application of the model is its use as a litigation avoidance tool after the completion of a project. |
| Keywords: | Labors Productivity Sheets Metals Contractors Construction industry |