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Near equivalentFire explosion and confined space › Process safety

Pre-startup safety review

A formal review of a new or modified process facility before start or restart, confirming safety features are in place, procedures are complete, and personnel are trained. Mandatory under OSHA PSM; an equivalent safety management requirement applies under COMAH.

Also known as

PSSR

By jurisdiction

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UK HSE

“pre-commissioning safety review”Close equivalent

COMAH 2015 (SI 2015/483) requires operators to ensure that major hazard plant is designed and operated to prevent major accidents. HSE guidance recommends a pre-startup safety review as part of the safety management system.

Jurisdiction note: COMAH requires a safety management system that encompasses pre-startup review but does not name it PSSR.
RegulatoryControl of Major Accident Hazards Regulations 2015 (SI 2015/483)Source
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Irish HSA

“pre-startup safety review”Close equivalent

Irish COMAH Regulations 2015 (SI 2015/209) require safety management systems at upper-tier establishments. A pre-commissioning review is an expected element but not named as PSSR in the Irish instrument.

RegulatoryEC (Control of Major Accident Hazards involving Dangerous Substances) Regulations 2015 (SI 2015/209)Source
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US OSHA

“pre-startup safety review”PSSRExact equivalent

OSHA 29 CFR 1910.119(i) requires a pre-startup safety review for new facilities and for modified facilities when the modification requires a change in process safety information. The review must confirm construction meets design specifications, procedures are in place, a PHA has been performed, and training has been completed.

Regulatory29 CFR 1910.119(i)Source

Practitioner note: The last gate before hazardous material is introduced. Confirm that training and procedures are complete, not merely scheduled.

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