HAZOP
Structured HAZOP studies that uncover process deviations before they become incidents.
Systematic, team-based hazard and operability review identifying deviations from design intent across every process line.
Request a ConsultationWhat is HAZOP?
A Hazard and Operability Study (HAZOP) is a structured, systematic examination of a planned or existing process or operation to identify and evaluate problems that may represent risks to personnel, equipment, or the environment, or that may prevent efficient operation. HAZOP uses guide words (No, More, Less, As Well As, Part Of, Reverse, Other Than) applied to process parameters at each node of a P&ID to systematically generate credible deviations.
Why It Matters
- ●Identifies hazards and operability issues before commissioning, avoiding costly retrofits
- ●Required by Indian Factories Act and PESO guidelines for major hazard installations
- ●Forms the documented basis for safeguarding decisions reviewed by insurers and regulators
- ●Builds cross-functional understanding of process risk among operations, engineering and safety teams
Our Methodology
- 1Kickoff and scope definition — battery limits, P&IDs, PFDs, and node breakdown
- 2Node-by-node deviation analysis using standard guide words and process parameters
- 3Cause, consequence and existing safeguard identification for every credible deviation
- 4Risk ranking and recommendation generation for gaps in safeguarding
- 5Action tracking register with owners and target closure dates
- 6Final report issuance with worksheets, attendance records and executive summary
Deliverables
Industries We Serve
FAQ
HAZOP Frequently Asked Questions
What is a HAZOP study?
A HAZOP study is a structured, team-based technique for identifying potential hazards and operability problems in a process by systematically applying guide words to process parameters at defined nodes on a P&ID.
How long does a HAZOP study take?
Duration depends on plant complexity and node count. A mid-sized batch chemical unit typically requires 3-6 sessions of 4-6 hours each, spread over 1-3 weeks including report preparation.
Who should attend a HAZOP study?
A HAZOP team typically includes a trained HAZOP facilitator/chairman, a scribe, process engineers, operations representatives, instrumentation/control engineers, and where relevant, maintenance and safety personnel.
Is HAZOP mandatory in India?
While not always explicitly named in statute, HAZOP is the de facto expected method for process hazard analysis under the Factories Act, MSIHC Rules, and is routinely required by PESO, insurers, and EHS due diligence for Major Accident Hazard (MAH) units.