HSE Risks Assessment and Managment by LOPA and PHA Method in Construction Period of One of the Gas Sweeting (GTU 2) , Phases 22 & 24 Gas Refinery, South Pars Gas Field

Mollazadeh, Nastaran; Kiani Kalamoie, Hossaien

HSE Risks Assessment and Managment by LOPA and PHA Method in Construction Period of One of the Gas Sweeting (GTU 2) , Phases 22 & 24 Gas Refinery, South Pars Gas Field

Document Type : Original Article

Authors

nastaran mollazadeh

Hossaien Kiani Kalamoie

Department of Environmental Management_ Safety, Health and Environment, Najafabad Branch, Islamic Azad University, Najafabad, Iran

Abstract

The construction of the refinery has many safety،health and environmental risks.In this research،the LOPA and PHA methods have been used to assess and manage the existing risks in the gas refineries of phases 22 and 24 of South Pars.Thus، after identifying activities and risks and taking into account the severity of the work، the probability of occurrence and possible consequences of exposure to humans، environment and equipment،risk assessment and risk classification was carried out. In assessing the safety and health risks by PHA،the minimum risk associated with rising stairs with a numerical value of 4 RPN and the highest risk of the pipeline pressure test is 21 RPN.In environmental risk،the lowest risk is related to 32-degree de-icing and the highest risk of administrative activity with a 360-value. In assessing the safety and health risks of the LOPA method، the highest safety and health risks associated with an automobile accident are dropping from a height of 8 RR and a low risk of electricity with RR 5. In the environmental، the most risk is the flare shutdown with RR 7، and the lowest risk associated with paper consumption is the use of fossil fuels with a numerical value of 4 RR.

Keywords

Bushehr

Risk Assessment

Protective Layers

Preliminary Risk Analysis