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Factors affecting labor productivity in construction projects in Iran and their sensitivity analysis

Publish Year: 1395
Type: Conference paper
Language: English
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UPUE03_001

Index date: 15 December 2016

Factors affecting labor productivity in construction projects in Iran and their sensitivity analysis abstract

Labor productivity is very important and gained special concerns among professionals in the construction industry, worldwide. Productivity improvements on labors achieve higher cost savings with minimal investment. Due to the fact that profit margins are small on construction projects, cost savings associated with productivity are crucial to become a successful contractor. This research program studies and highlights the factors affecting labor productivity in Iranian construction industry. A questionnaire was used to gather the relevant data from respondents who involve in managing various types of projects in wide areas in Iran. It involved ranking 57 predefined factors divided into 5 categories: Human/Labor; Financial; Management; Equipments/Materials and Environmental.Total 62 feedbacks were analyzed through the Relative Importance Index (RII) technique. The top ten factors affecting construction labor productivity in Iran are: 1) Professional capability of contractor project manager, 2) Skills of contractor’s project management team, 3) Professional capability of owner project manager, 4) Professional capability of Consulting Project manager, 5) Discipline working, 6) Delay payments by the owner, 7) Material shortages, 8) Delays in delivery of materials, 9) Turnover power of the owner, 10) Poor site management.Recommendations have been made in the study to address these factors. The research has direct benefits to key stakeholders in Iranian construction industry.

Factors affecting labor productivity in construction projects in Iran and their sensitivity analysis Keywords:

Factors affecting labor productivity in construction projects in Iran and their sensitivity analysis authors

Dehghan E

Msc Student, Construction Management, Alaodduleh Semnani Higher Education Institute, Garmsar, Iran

Shirzadi Javid A

Assistant Professor, Department of Civil and construction Engineering, Iran University of Science and Technology, Tehran, Iran.

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