FAQ - PHAST

FREQUENTLY ASKED QUESTIONS

REQUEST FOR INFORMATION

Does DNV GL offer process hazard analysis software that can be used in all stages of design and operation?

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Phast is the world's most comprehensive process hazard analysis software tool for all stages of design and operation. Phast examines the progress of a potential incident from the initial release to far-field dispersion analysis including modelling of pool spreading and evaporation, and flammable and toxic effects.

I am looking for a comprehensive process hazard analysis software tool, from the initial release to far-field dispersion. Can Phast be used for this?

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Phast examines the progress of a potential incident from the initial release to far-field dispersion analysis including modelling of pool spreading and evaporation, and flammable and toxic effects. Phast can be used to model fires (jet, pool and fireballs), explosions (chemical - vapour cloud explosions, in addition to physical - vessel failure) and the impact of the release of toxic materials.

What types of process hazard analysis can be addressed with Phast software?

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Phast is typically used in the following applications: (non-exhaustive list, in no order of priority)
  • Dispersion analysis
  • Consequence analysis
  • Building risk assessment
  • Hazardous area classification
  • Site layout and optimization
  • Fire risk analysis
  • Occupied building risk analysis
  • Offsite consequence analysis
  • Emergency response planning
  • Facility siting
  • Escalation analysis
  • Equipment design
  • Hazard estimation
  • Layer of protection analysis (LOPA)
  • Hazard identification (HAZID)
  • Hazard and operability study (HAZOP)
  • Quantitative risk analysis (QRA)
  • Legislative compliance (e.g. Seveso studies)

In which industries is Phast used as a process hazard analysis tool?

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Phast is used for process hazard analysis in the following industries (non-exhaustive list):

  • Oil and gas
  • Petrochemical
  • Pharmaceutical
  • Academia
  • Transportation and storage
  • LNG
  • Hydrogen
  • CO2
  • Insurance
  • Energy
  • Public sector (governmental and regulatory bodies)
  • Chemical processing

How many companies use Phast for process hazard analysis?

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Phast is used for process hazard analysis by over 1000 organizations globally. Individual users number are over 10,000.

Can Phast software for process hazard analysis be applied to many different types of assets?

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Phast can be used for process hazard analysis of assets such as:

  • Refineries
  • Chemical plants
  • Transportation assets (tanker, trucks)
  • Pipelines
  • Storage facilities (tanks)
  • Petrol stations, etc.

What is a QRA?

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A QRA is a quantitative risk assessment, or a quantitative risk analysis. It is a formal and systematic method using measurable, objective data to determine an asset’s value, the probability of loss and other associated risks.

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