مهندسی عمران شریف (Feb 2018)
ارائه الگویی بهینه برای ارزیابی و انتخاب پیمانکاران صنعت ساخت و ساز از دیدگاه بهداشت، ایمنی و محیط زیست
Abstract
According to assignment of most activities to contracting companies and neglecting strict enforcement of \ safety, health, and \ environment in \ companies' contractions, rates of related indexes occupational accidents have been growing disturbingly, and \ thus increasing the \ importance of evaluating \ health, safety, and \ environment \ (HSE) performance of building industry contractors. The main purpose of this study is to provide an optimum pattern for evaluation and selection of construction industry contractors by HSE view. This research determines the main and secondary criteria which affected evaluating and selecting contractors by quantitative studies and special questionnaires and surveying perceptions. Sample size of 95\% confidence level and margin of error of 5 percent by 252 peoples, including 4 Group executives and managers, employers, contracting companies and experts in health, safety and the environment were determined by the employer and contractor. KMO and Bartlett's test and confirmatory functional analysis (CFA) were used as testing methods. Validity of this questionnaire was obtained as 0.863 by Cranach's Alpha coefficient and reliability of questionnaire was confirmed. This article tries to determine intensity of these criteria in patterns of a model. Results show that human resources criteria are with the most effectiveness and planning criteria are of little effect. Suggested pattern can fulfill a continuous increase to a comprehensive pattern for evaluation and selection contractors. According to the proposed model, organizations can simply evaluate their contractors in terms of HSE performance. Contractors can also use this model to assess and identify their own weaknesses in the field of Health, Safety and Environment (HSE) of the model, which in turn "reduces accidents and improves awareness of contractors in the field of HSE Management System, and so, Standards HSE will be the scope of its activities.
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