Risk Assessment and Management of Gas Transmission Lines,in Alamout natural gas pipeline

Using natural gas as a clean, plentiful and inexpensive source of energy in recent years has progressively increased in Iran. Pipelines are the most common system to transport natural gas from field to different regions of Iran. These pipelines always pose risks to surrounding population and environments. The aim of this study was to assess the potential health, safety, and environment risk of Alamout natural gas pipeline. Methods and Materials: In this study Kent-Mauhlbauer method was used to assess risks of Alamout natural gas pipeline. Data collection was performed through field measurement and investigation. The results of the present study reveal that there are three level of risk in the path of pipeline including; high (10%), low (1%) and very low (89%). There is no moderate risk in the path of pipeline. Also there are seven high risk areas that must be considered as a target of risk control measures. In this study, seven high risk areas were recognized that must be placed in the center of risk management programs. Also the highest risk of Alamout natural gas pipeline was related to third-party damages that can be reduced by public education programs, regular inspections and using enclosure in high population density areas.