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Title: Accidents of electrical and mechanical works for public sector projects in Hong Kong
Authors: Wong, FKW 
Chan, APC 
Wong, AKD 
Hon, CKH
Choi, TNY 
Keywords: Electrical and mechanical
Public sector projects
Cluster analysis
Issue Date: 2018
Publisher: Molecular Diversity Preservation International (MDPI)
Source: International journal of environmental research and public health, Mar. 2018, v. 15, no. 3, 485 How to cite?
Journal: International journal of environmental research and public health 
Abstract: A study on electrical and mechanical (E&M) works-related accidents for public sector projects provided the opportunity to gain a better understanding of the causes of accidents by analyzing the circumstances of all E&M works accidents. The research aims to examine accidents of E&M works which happened in public sector projects. A total of 421 E&M works-related accidents in the "PublicWorks Programme Construction Site Safety and Environmental Statistics" (PCSES) system were extracted for analysis. Two-step cluster analysis was conducted to classify the E&M accidents into different groups. The results identified three E&M accidents groups: (1) electricians with over 15 years of experience were prone to 'fall of person from height'; (2) electricians with zero to five years of experience were prone to 'slip, trip or fall on same level'; (3) air-conditioning workers with zero to five years of experience were prone to multiple types of accidents. Practical measures were recommended for each specific cluster group to avoid recurrence of similar accidents. The accident analysis would be vital for industry practitioners to enhance the safety performance of public sector projects. This study contributes to filling the knowledge gap of how and why E&M accidents occur and promulgating preventive measures for E&M accidents which have been under researched.
ISSN: 1661-7827
EISSN: 1660-4601
DOI: 10.3390/ijerph15030485
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