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Quantitative Risk Assessment (QRA) Study - Wardha Depot

Nayara Energy Limited - Wardha Depot is a facility to handle petroleum products (MS, HSD and Ethanol) received through rakes and tank trucks which is then dispatched to surrounding areas through tank trucks.

Nayara Energy Limited has awarded iFluids Engineering to carry out the Quantitative Risk Assessment (QRA) study for the Wardha Depot facility.

The assessment is based on the potential hazards envisaged during the operation of the facility based on the available information provided. The scope of work covers the different components and equipments associated within the facility.

The Wardha Depot handles and stores various petroleum products such as Motor Sprit (MS), High Speed Diesel (HSD) and Ethanol with no other manufacturing processes involved. 

The main objective of the QRA study is to evaluate the potential risk levels for personnel due to accidental release of hazardous materials from loss of containment scenarios from the facilities and to demonstrate that individual risks are within the broadly acceptable regions. The Objectives of QRA include:

  • Identification of Major Hazards and Major Loss of Containment (LOC) events
  • Calculation of physical effects of failure case scenarios which include Estimation of Jet Fire, Pool Fire heat radiation distances, Flammable gas dispersion distances, BLEVE and overpressure explosion distances
  • Failure Frequency evaluation
  • Societal risk quantification and Potential Loss of Life estimation
  • Risk assessment to confirm that risk can be reduced consistent with the ALARP principle according to the UK HSE risk acceptance criteria standards

Based on the quantitative study results, risk reducing measures are recommended to ensure that all risks are within the ALARP or Acceptable region.

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