Commissioning & Startup
Explore Fidelis guides, articles, and checklists on commissioning & startup.
Commissioning vs. Startup vs. Turnover: Key Differences
Commissioning verifies before fluids; startup is first production; turnover is the formal handoff. Definitions, acceptance criteria, and who signs each gate.
Read More →Commissioning, Startup & Operational Readiness Guide
How commissioning, startup, and operational readiness (CSU) bring new facilities online safely — ORR gates, PSSR, turnover governance, and SIMOPS.
Read More →Operational Readiness Review (ORR) Checklist and Process
A complete Operational Readiness Review (ORR) checklist: procedures, training, safety systems, permits, and stakeholder alignment for facility startups.
Read More →PSSR Preparation Checklist: What to Verify Before Startup
A Pre-Startup Safety Review (PSSR) preparation checklist: construction verification, safety-system testing, procedure reviews, training, and readiness.
Read More →SIMOPS (Simultaneous Operations): Risk Management Guide
Simultaneous Operations (SIMOPS) arise when construction, commissioning, and operations run concurrently. Learn SIMOPS risk controls and coordination.
Read More →What is a PSSR? OSHA Pre-Startup Safety Review
A pre-startup safety review (PSSR) is OSHA's required final safety check before startup — what it must confirm, who runs it, and when a PSSR is required.
Read More →Ready to strengthen your operations?
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