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HAZID/HAZOP
Home | Services | Process Safety | HAZID/HAZOP

HAZID/HAZOP

Structured Risk Assessment for High-Hazard Industries

View All Process Safety Services
HAZID HAZOP Consultants

Process Hazard Identification & Operability Analysis

Arthian delivers HAZID (Hazard Identification) and HAZOP (Hazard and Operability) studies to support the assessment and development of a safe and complaint design across high-hazard sector. These structured assessments help identify potential risks, operability issues and major accident hazards—ensuring compliance with COMAH, DSEAR and functional safety frameworks.
 
We support:

     

  • Distilleries and drinks manufacturing
  • Chemical and pharmaceutical facilities
  • Energy from waste and renewables
  • Industrial gases, fuels and storage
  • High-risk manufacturing and processing sites

What are HAZID and HAZOP Studies?

A HAZID is a high-level, early-stage risk assessment that identifies potential hazards across systems, processes and site layouts. It’s typically used:

 

     

  • During concept or FEED stages
  • For new developments or major modifications
  • For ‘non process’ facilities such as warehousing and logistics
  • To screen for Major Accident Hazards (MAHs)
  • As part of COMAH safety report preparation

 
We lead workshops that define hazard sources, assess risk pathways and recommend mitigation strategies—often forming the foundation for later HAZOP or LOPA studies.
 
A HAZOP is a detailed, node-based assessment that evaluates how process deviations could lead to safety or operability issues. It’s used to:


     

  • Analyse process lines, vessels and control systems
  • Identify causes and consequences of deviations
  • Recommend safeguards and actions
  • Support LOPA, SIL and functional safety analysis

Our HAZID and HAZOP Services

We offer comprehensive HAZID and HAZOP services

Technical Scribes and Documentation Support
Use of Industry-Standard Software (e.g. PHA Pro, Bowtie XP)
Integration with COMAH, DSEAR, OBRA and SIL Studies
Action Tracking and Risk Ranking
Remote or On-Site Delivery Across the UK
process safety hazid consultancy

Technical Scribes and Documentation Support

We provide expert scribing and documentation services to ensure process safety studies are captured clearly, consistently, and in line with regulatory expectations.
 
Our services include:

     

  • Professional scribing for HAZID and HAZOP workshops
  • Structured documentation of safety study outputs across disciplines
  • Support for auditability and regulatory compliance under industry standards
  • Clear records that enhance traceability and risk management

 
Our approach ensures your safety assessments are well-documented, defensible, and ready for review by regulators and stakeholders.

process safety consultants layers of protection

Use of Industry-Standard Software (e.g. PHA Pro, Bowtie XP)

We leverage trusted, industry-recognised tools to ensure consistency, traceability, and quality in process safety documentation.
 
Our capabilities include:

     

  • Use of PHA Pro for structured hazard identification and risk assessment
  • Application of Bowtie XP to visualise risk pathways and control measures
  • Delivery of high-quality outputs that support auditability and regulatory compliance
  • Integration of software outputs into broader safety and risk management frameworks

 
By using proven platforms, we help teams streamline safety studies and enhance decision-making across complex projects.

Arthian Comah Consultants

Integration with COMAH, DSEAR, OBRA and SIL Studies

We ensure safety study outputs are fully aligned with wider regulatory frameworks, supporting compliance and operational integrity.
 
Our services include:

     

  • Seamless integration of HAZID, HAZOP and risk analysis outputs into COMAH safety reports
  • Alignment with DSEAR requirements for hazardous substances and explosive atmospheres
  • Support for OBRA (Occupied Building Risk Assessment) to protect personnel and assets
  • Incorporation of findings into SIL (Safety Integrity Level) assessments for functional safety

 
Our holistic approach ensures your safety documentation is consistent, defensible, and ready for regulatory scrutiny.

risk-matrix-process-safety

Action Tracking and Risk Ranking

We help clients move from safety study outputs to meaningful implementation by prioritising actions and managing risk effectively.

 
Our services include:

 

  • Tracking post-study actions to ensure accountability and follow-through
  • Assigning risk rankings to support informed decision-making
  • Helping clients prioritise mitigation measures based on impact and feasibility
  • Providing structured outputs to support regulatory compliance and internal governance
hazid-hazop-delivery-consultants

Remote or On-Site Delivery Across the UK

Our services are available nationwide, with flexible delivery options to suit client needs—whether remote participation or on-site support is required.

process safety hazid consultancy

Technical Scribes and Documentation Support

We provide expert scribing and documentation services to ensure process safety studies are captured clearly, consistently, and in line with regulatory expectations.
 
Our services include:

     

  • Professional scribing for HAZID and HAZOP workshops
  • Structured documentation of safety study outputs across disciplines
  • Support for auditability and regulatory compliance under industry standards
  • Clear records that enhance traceability and risk management

 
Our approach ensures your safety assessments are well-documented, defensible, and ready for review by regulators and stakeholders.

process safety consultants layers of protection

Use of Industry-Standard Software (e.g. PHA Pro, Bowtie XP)

We leverage trusted, industry-recognised tools to ensure consistency, traceability, and quality in process safety documentation.
 
Our capabilities include:

     

  • Use of PHA Pro for structured hazard identification and risk assessment
  • Application of Bowtie XP to visualise risk pathways and control measures
  • Delivery of high-quality outputs that support auditability and regulatory compliance
  • Integration of software outputs into broader safety and risk management frameworks

 
By using proven platforms, we help teams streamline safety studies and enhance decision-making across complex projects.

Arthian Comah Consultants

Integration with COMAH, DSEAR, OBRA and SIL Studies

We ensure safety study outputs are fully aligned with wider regulatory frameworks, supporting compliance and operational integrity.
 
Our services include:

     

  • Seamless integration of HAZID, HAZOP and risk analysis outputs into COMAH safety reports
  • Alignment with DSEAR requirements for hazardous substances and explosive atmospheres
  • Support for OBRA (Occupied Building Risk Assessment) to protect personnel and assets
  • Incorporation of findings into SIL (Safety Integrity Level) assessments for functional safety

 
Our holistic approach ensures your safety documentation is consistent, defensible, and ready for regulatory scrutiny.

risk-matrix-process-safety

Action Tracking and Risk Ranking

We help clients move from safety study outputs to meaningful implementation by prioritising actions and managing risk effectively.

 
Our services include:

 

  • Tracking post-study actions to ensure accountability and follow-through
  • Assigning risk rankings to support informed decision-making
  • Helping clients prioritise mitigation measures based on impact and feasibility
  • Providing structured outputs to support regulatory compliance and internal governance
hazid-hazop-delivery-consultants

Remote or On-Site Delivery Across the UK

Our services are available nationwide, with flexible delivery options to suit client needs—whether remote participation or on-site support is required.

Frequently Asked Questions

What’s the difference between HAZID and HAZOP?

HAZID is a high-level screening of potential hazards across systems and layouts. HAZOP is a more detailed study that examines how process deviations might lead to safety or operability issues.

When is a HAZOP typically required?

It’s most commonly carried out during detailed design or pre-commissioning stages, but can also support Management of Change and major modifications.

Do you facilitate the studies and provide documentation?

Yes—we lead workshops, document outcomes, and support clients with action tracking and study reports ready for internal use or regulatory submission.

Can HAZOP findings support other safety assessments?

Absolutely. HAZOP outputs often inform risk ranking, mitigation plans, and are used in preparing COMAH safety reports or other regulatory deliverables.

Get in Touch

We’d love to hear from you – whether you have a question, a project in mind, want to explore job opportunities, or just want to say hello.

Contact Us
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