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Background and aims
As a Development of Industrial process, human, environment,
equipment, material and validity of system has been exposed to hazardous conditions. Regards of
32.3 percent of occupations in industries, this study focused on risk assessment of foundry unit by
energy trace and barrier analysis (ETBA) method and presented approaches to control of accident.
Methods
the recent study is as a case study one to risk assessment in a foundry unit in Qazvin
industrial city in1387. In this study risks were founded by ETBA method and evaluated by MILSTD-
882B. Data were collected by direct observations, interview with workers and supervisor
and engineers, walking-talking through method, documents investigation of operational
processors, preventive maintenances, equipment technical properties, accidental and medical
documents. Finally ETBA worksheets completed.
Findings
totally 154 risks has been found. 40 from total are been unacceptable risk, 68
unfavorable and also 46 acceptable but with remediation action. Casting workshop had risks more
than other workshops (with 74 identified risks).Potential and heat energies were founded as most
hazardous energies, with respectively 51 and 38 risk cases.
Conclusion
This study recommended to be done actions for identification and control risk,
such as: safety training, occupation training, preventive maintenance, contract safety, safety
communication and safety audit group.
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