Process Safety

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Continued listening and understanding the challenges faced by Owners and Operators led AXIOM to review its offerings, and a strategic decision was taken to deliver Process Safety and Process Safety Engineering Services. Whilst many other firms in the sector offer such services, AXIOM’s capability to integrate Process Safety with its existing complementary disciplines stood to offer a unique value proposition to its clients.

The importance of effective Process Safety is well understood, with incidents such as those at Buncefield, Bhopal and Sevesco in mind. However, the ability to effectively identify and mitigate these key plant risks, whilst also offering wider strategic advice that maximises return on assets, has been enabled through AXIOM’s integrated offering.

AXIOM now delivers Process Safety Engineering and Process Safety Consultancy Services to improve safety and performance to operators and owners across a range of industries including energy, chemical pharmaceutical, oil&gas, bulk storage and distribution and food.

Collaborating with clients to identify common issues and concerns enabled AXIOM to craft client-focused, value-adding solutions The work undertaken has ensured our business is best-placed to manage through-life risks on plant assets and installations, taking full account of the expertise of Process and Operations specialists.

Process Hazard Assessments are systematic techniques used for hazard identification and risk assessment.

Services include:

  • Inherent SHE Assessment
  • Hazard Identification (HAZID)
  • Hazard & Operability Study (HAZOP)
  • Layers of Protection Analysis (LOPA)
  • Pre-commissioning & Commissioning safety review
  • Process Hazard Review
  • Verification and revalidation of hazard studies
  • Retrospective Process Hazard Assessment
  • Process Hazard Assessment Action management and close out

Consequence modelling is a critical component of process safety engineering that involves analysing the potential outcomes of hazardous events in industrial processes.


  • Identify all flammable, explosive and toxic materials
  • Identify credible accidental release scenarios
  • Consider potential for domino effects.
  • Flammable or toxic gas dispersion
  • Fire modelling (thermal radiation modelling for pool fire, jet fire, fireball and flash fire)
  • Explosion overpressure (vapour cloud explosion, confined explosion, detonation)
  • Flare and vent studies
  • Cryogenic spill assessment
  • Passive fire protection requirement
  • Active fire protection requirement

Occupied buildings situated on major hazard sites must be designed to withstand all foreseeable events including fires, explosions, and toxic releases.


AXIOM can provide competent people with the expertise and experience specific to your industry to lead and facilitate:

  • Initial assessment to identify occupied buildings
  • Occupied building risk assessment (OBRA) report
  • Support during new building design including determining the most appropriate location
  • Update or verification of existing OBRA reports
  • Develop risk reduction measures and ALARP demonstrations for existing occupied buildings


  • Relief Philosophy
  • Identification of Pressure Systems Requirements
  • Relief Scenario Identification
  • Relief Device Selection & Materials of Construction Advice
  • Tender Specifications & Bid Evaluation.


  • Determination of Relief Rates, stream design and calculations
  • Specification and Datasheet Development
  • Pipe Stress Analysis (Static and Dynamic)
  • Relief Stream Design Verification DVC.
  • Discharge and Disposal Systems, Flare and Vent System Modelling and Design.
  • DIERS Methodology for Two-Phase Flow Relief.
  • Third Party Design Verification.


  • Relief Stream Auditing.
  • Prioritisation and Criticality.
  • Assurance for Existing Assets.
  • Risk Ranking of Gaps.
  • Update Documentation.
  • Prepare Recommendations for Improvement.
  • Assurance for Proposed Modifications.
  • Installation and In-Service Inspection.
  • Legislation Support.
  • Asset Condition Audits

Fire hazard is a major concern in manufacturing when large quantities of flammable materials are handled.

  • People – are they adequately protected from harm, suitable fire fighting capabilities, trained and competent people, emergency response capability
  • Processes – Systems and procedures in place to test, operate and maintain fire safety equipment. Permitting systems and isolations standards are suitable and sufficient.
  • Plant – adequately designed to RGP and meets industrial codes and standards. Considers secondary and tertiary containment, fire and gas detection and protection systems, layout, hazardous area classification and emergency shutdown systems.

Companies have a duty to take all measures necessary to prevent major accidents and limit their consequence to people and the environment.


  • COMAH awareness training
  • Planning (Hazardous substance) consent applications
  • COMAH Safety Report development, review, and update
  • COMAH notifications
  • Consequence modelling
  • Technical audits and gap analysis of COMAH strategic topics
  • Competent Authority (CA) intervention support
  • Major Accident Hazard (MAH) identification using Process Hazard Analysis (PHA) techniques

A versatile and experienced Process Engineering team available to customers from graduate level through to Principal engineer, using industry standard tools and techniques.

Our structured systematic approach to process development and design brings rewards in terms of cost effective solutions and optimum business benefits.


  • Process Engineering Feasibility Studies
  • Process Engineering Concept design
  • Process plant operational improvement and support
  • Process Safety Engineering
  • Process Modelling
  • P and ID updates and Management

Supporting the Asset Life Cycle