Pre-Start Health & Safety Reviews (PHSR) in Ontario – 2025 Compliance Guide

A Pre-Start Health & Safety Review (PHSR) is a crucial safety assessment required by Ontario law before certain machinery or workplace processes can be operated. Businesses must comply with PHSR requirements outlined under Ontario Regulation 851 to ensure worker safety and regulatory compliance. This guide will help you understand the key requirements for PHSRs in Ontario and how to stay compliant.

In this guide, we provide an in-depth overview of PHSRs, including when they are required, the latest updates to Ontario’s safety standards in 2025, and how to ensure your business remains compliant.

When Is a PHSR Required?

A PHSR is mandatory in various scenarios where workplace processes or machinery could pose safety risks. Key situations include:

• Flammable Liquids Storage: Per the Ontario Fire Code (Section 4.1), any storage of flammable liquids must undergo a review to assess proper containment and safety protocols.
• Lifting Devices: Equipment such as cranes, hoists, and other lifting devices are subject to Ontario’s Occupational Health and Safety Act (OHSA), particularly Section 51, which outlines the necessity of safety reviews.
• Industrial Machinery Safeguarding: The Canadian Standards Association (CSA) Z432:21 mandates safeguarding requirements for machinery to prevent injuries, making a PHSR mandatory for specific machines.
• Dust Collection Systems: Systems related to dust collection, especially in environments with explosion risks, require compliance with NFPA 652 and NFPA 654 to mitigate hazards.

For further details on Ontario safety standards, visit our Regulatory Compliance page.

Key 2025 Updates to PHSR Requirements

Ontario’s safety standards are continuously evolving to address emerging risks and improve workplace safety. Key updates for 2025 include:

1. Higher Inspection Standards for Racking Systems: Under the new CSA A344-17 guidelines, all pallet racking systems now require annual safety inspections. Learn more about PHSRs for warehouse racking systems.
2. Mandatory Risk Assessments for New Equipment: Employers must now conduct a hazard analysis per ISO 12100 before commissioning new machinery. For guidance, visit our Engineering Services page.
3. Increased Emphasis on Lockout/Tagout (LOTO) Procedures: Stronger focus on Lockout/Tagout (LOTO) procedures under CSA Z460. Need help? Check out our LOTO Solutions.

How to Ensure Compliance

To maintain compliance with Ontario’s safety standards and avoid penalties, follow these key steps:

1. Partner with a Licensed Engineering Firm: Work with a certified engineering firm like HITE Engineering, specializing in thorough PHSRs. Contact us today to schedule an assessment.
2. Maintain Accurate Documentation: Keep detailed records of all safety reviews and assessments. These documents are critical during Ministry of Labour inspections.
3. Update Safety Procedures Regularly: Regulations evolve, so it’s essential to review and update your safety procedures periodically.

For more on staying compliant, explore our Compliance Services.

Conclusion

In Ontario, conducting a Pre-Start Health & Safety Review (PHSR) isn’t just about compliance; it’s about protecting your workforce. As regulations change, staying informed and proactive is key.

HITE Engineering provides comprehensive PHSRs, helping businesses stay compliant and up to date.

For more information, visit our PHSR Services or get in touch to schedule an assessment.