In 2012 the "Occupational Health and Safety Code", code numbered 6331 is enacted with an objective to reduce the occupational accidents to a minimum. The code required the businesses to procure the services of an occupational safety expert based on the danger class of the workplace and the number of employees. In this respect, the scope and the authority of the work safety experts is organized in regulation number 28512. Yet, every new procedure requires time for sifting out the problems for being accepted and become operational fully. The objective of this study is to make an evaluation of the process regarding the occupational safety experts through questionnaire studies performed in 2015 and 2017. In 2015 and 2017, 63 and 75 experts attended survey, respectively. The surveys are evaluated comparatively to observe the developments within the selected period.
Ready mixed concrete (RMC) industry, one of the barebones of construction sector, has its distinctive occupational safety and health (OSH) risks. Employees experience risks that emerge during the fabrication of concrete, as well as its delivery to the construction site. Statistics show that usage and demand of RMC have been increasing along with the number of producers and workers. Unfortunately, adequate OSH measures to meet this rapid growth are not in place even in top RMC producing countries, such as Turkey. Moreover, lack of statistical data and academic research in this sector exacerbates this problem. This study aims to fill this gap by conducting data mining in Turkish Social Security Institution archives and performing univariate frequency and cross tabulation analysis on 71 incidents that RMC truck drivers were involved. Also, investigations and interviews were conducted in seven RMC plants in Turkey and Netherlands with OSH point of view. Based on the results of this research, problem areas were determined such as; cleaning truck mixer/pump is a hazardous activity where operators get injured frequently, and struck by falling objects is a major hazard at RMC industry. Finally, Job Safety Analyses were performed on these areas to suggest mitigation methods.
Majority of research in occupational safety and health area lean towards describing accidents with the aid of surveys and descriptive statistics, instead of using inferential statistical techniques. Therefore, an extensive archival study was performed in cooperation with Social Security Institute of Turkey, which included examination and reorganization of more than 2000 accident report forms to create a categorically identified data set, incorporating "Injury Severity Score" concept, followed by various statistical analysis techniques (univariate frequency, cross tabulation and binary logistic regression). As a result, a model was developed to identify the factors that contribute to severity. The findings of the analyses showed that four of the independent variables (work experience, accident type, unsafe condition and unsafe act) have statistically significant influence on workplace injury severity.
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