Abstract
The challenge of improving construction safety performance is observed in many countries. Safety is considered by practitioners and researchers as an important topic in construction industry sites. Despite the findings of implementing safety programs, it is revealed that accidents and injuries are not perfectly reduced in construction projects. In the literature, authors tried to establish several frameworks and proposed methods to reach this objective by identifying the key factors affecting safety performance. The aim of this study is to present critical factors used in the implementation of safety programs and to explore their relationships using Interpretive Structural Modeling (ISM). Then, via ISM technique, the overall structure among factors was revealed. By using the Fuzzy MICMAC analysis, the factors were classified into four groups based on their driving power and dependence power. The results showed that “Safety Training” and “Management Commitment” have the most important impact on safety programs, but also it is very important to study the interactions among factors at different stages. This analysis offers key resources for practitioners and decision makers by analyzing the relationships between factors and its driving or dependence strength. These results shed lights on the effective development of measures to facilitate the implementation of safety programs in the construction sector.
Highlights
In the 1980s, the European Union introduced the safety management system to encourage safety and health improvements in the workplace (Leveson, 2015)
Most studies based on Interpretive Structural Modeling (ISM) have only adopted MICMAC procedure to measure driving power and dependency, the present research has implemented Fuzzy MICMAC analysis that improves the precision of effects
The contextual relationships given for factors in this study enable decisionmakers to develop effective policies, guidelines, and regulations in order to achieve the most critical factors for successful safety program
Summary
In the 1980s, the European Union introduced the safety management system to encourage safety and health improvements in the workplace (Leveson, 2015). Several researchers agreed with the fact that construction belongs to the family of the most dangerous industries such as Fang and Wu (2013), Wanberg et al (2013) and Al-Humaidi and Tan (2010). The National Safety Council reports declared that more than 10,000 people have died at construction locations in the US in the last decades. Safety management system for building and construction has been introduced by practitioners and researchers in many countries. Suraji et al (2001) stated that the importance should be focused on the way with which project management can help the improvement of the location safety.
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