Our engineering team facilitates and documents Process Hazards Analysis (PHA) for process safety managers, PSM coordinators, and the I&C and process engineers responsible for compliance — in accordance with ISA/IEC 61511 (Functional Safety the Process Industry Sector) and the OSHA Process Safety Management (PSM) Standard, 29 CFR 1910.119 Experienced in chemical processes, control systems, and the governing standards, our facilitators run HAZOP, LOPA, HAZID, bowtie and QRA studies and deliver the documentation your compliance program needs.
Process Hazards Analysis (PHA)
Process Hazards Analysis (PHA) — including a full range of facilitated/workshop studies like HAZOP, LOPA, HAZID, and a full-range of auditing.
Hazard Identification (HAZID) / Preliminary Hazards Assessment
Early in a project, before the design is firm enough for a full HAZOP, a HAZID identifies major hazards and the broad safeguards needed to manage them, so risk is addressed while it is still inexpensive to design out. We facilitate and document the study and carry its findings forward into the later HAZOP and LOPA.
Hazard and Operability Studies (HAZOP)
A HAZOP systematically examines a process node by node to identify deviations, their causes, and their consequences, and produces a documented set of findings and recommendations for the scenarios that need further attention. We facilitate the workshop and capture the study documentation.
Layer of Protection Analysis (LOPA)
LOPA assesses the scenarios identified in the HAZOP to determine the target Safety Integrity Level (SIL) needed to reduce risk to an acceptable level, using semi-quantitative techniques to evaluate probabilities. Where a scenario is too complex for LOPA’s simplifications, we escalate to Quantitative Risk Analysis (QRA) — often a fault tree Arbor™ — covered under our QRA services.
Bowtie Analysis
A bowtie diagram shows, on a single picture, the threats that can lead to a hazardous event and the barriers that prevent or mitigate it — a clear way to communicate major-accident risk to operators and management. We build quantitative bowties in, drawing directly on the scenarios already captured in the PHA.
Continuing Engineering Support
Functional Safety Management Program maintenance is challenging. Our Continuing Engineering Support team provides a consulting engineer to assist your team as required. Our team of chemical engineers and functional safety experts are available for short or extended periods to function as part of an engineering team for something as simple as verifying SIL calculations or as complex as audits.
For General Inquiries and Software or Training Quotes please contact us by email at [email protected] or call +1-614-451-7031 or use the form below:
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