Safety and CompliancePSSR

Pre-Startup Safety Review

A Pre-Startup Safety Review confirms that equipment and process changes are complete, safe, documented, and ready before startup.

What this term means in maintenance

A Pre-Startup Safety Review confirms that equipment and process changes are complete, safe, documented, and ready before startup.

When a PSSR is used

A PSSR may follow:

  • New installation
  • Major modification
  • Turnaround
  • Significant repair
  • Process change
  • Safety-system change
  • Long shutdown

Review items

The review may confirm:

  • Construction complete
  • Hazards addressed
  • Procedures updated
  • Training complete
  • Instruments calibrated
  • Alarms and trips tested
  • Permits closed
  • Guards installed
  • Documentation updated
  • Punch-list risks controlled

Practical example

Before starting a modified reactor system, the team verifies interlocks, relief protection, line-up, calibration, training, and operating procedures.

Approval

Authorized operations, maintenance, engineering, safety, and quality roles may participate.

Common mistake

Starting equipment to meet production pressure before completing critical test and documentation requirements creates avoidable risk.

Related maintenance terms

Keep exploring connected CMMS, reliability, and maintenance planning terms.

Pre-Startup Safety Review FAQs

What does PSSR stand for?

PSSR stands for Pre-Startup Safety Review.

When is PSSR required?

Before startup after new installation, major modification, turnaround, or significant process change.

What does it confirm?

Construction, testing, safeguards, procedures, training, calibration, permits, and readiness.

Turn Maintenance Definitions into a Proper Action

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