Maintenance Pre-Startup Safety Review (PSSR) Checklist

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General Information

1 of 9

Records basic details about the PSSR process.

PSSR Date

Equipment/System Name

Equipment/System ID

Revision Number (if applicable)

Brief Description of Changes/Maintenance

Type of Change

Location of Equipment

PSSR Initiated By

Scope & Process Review

2 of 9

Verifies understanding of the changes, their impact, and the planned maintenance activities.

Brief Description of Maintenance/Modification

Reason for Maintenance/Modification

Type of Maintenance (e.g., Preventative, Corrective, Upgrade)

Estimated Duration of Maintenance (Hours)

Planned Start Date

Planned Start Time

Affected Systems/Areas (Select all that apply)

Reference Documentation (e.g., Work Order #, Engineering Change Order)

Hazard Identification & Risk Assessment

3 of 9

Identifies potential hazards associated with the work and assesses the level of risk.

Describe the changes made to the equipment or process.

List all potential hazards identified related to the changes.

Severity of each identified hazard (High, Medium, Low)

Probability of Occurrence for each hazard (High, Medium, Low)

Risk Score (Severity x Probability - calculated field)

Existing Risk Mitigation Measures (Select all that apply)

Describe any additional risk mitigation measures required.

Overall Risk Level After Mitigation (High, Medium, Low)

Attach any supporting documentation (e.g., MSDS, P&ID updates).

Engineering Controls & Safeguards

4 of 9

Confirms the implementation and effectiveness of engineered safety measures.

Are all safety guards in place and functional?

Emergency Stop (E-Stop) functionality verified?

Pressure Relief Valves (PRVs) inspected and tested?

PRV Set Pressure (if applicable)

Description of any modifications to safety circuits or interlocks (if applicable)

Attach photos/documentation of safety device inspection results (e.g., PRV test reports)

Are all interlocks functioning correctly and preventing access to hazardous areas?

Administrative Controls & Procedures

5 of 9

Evaluates the adequacy of written procedures, training, permits, and lockout/tagout processes.

Is a detailed, up-to-date maintenance procedure available for this task?

Which permits are required for this work?

Has all personnel involved received the required training for this task?

Describe any deviations from standard operating procedures and their mitigation strategies.

Is a Lockout/Tagout (LOTO) procedure in place and understood by all personnel?

Date of Last Safety Training for Task

Describe any specific safety briefings given before starting work.

Personal Protective Equipment (PPE)

6 of 9

Ensures appropriate PPE is available and used.

Required PPE for Task

PPE Condition Verification Notes

Quantity of Safety Glasses Available

Glove Type Appropriateness

PPE Inspection Sign-off

Equipment & System Verification

7 of 9

Confirms equipment functionality, safety devices, and system interlocks.

Confirm Lockout/Tagout (LOTO) Devices Installed and Verified?

Verify Safety Interlocks Functioning Correctly?

Pressure Test Results (if applicable - e.g., Hydraulic/Pneumatic Systems)

Verify Emergency Shutdown (ESD) System Functionality?

Describe Any Observed Issues or Deviations from Expected Behavior:

Confirm Guards and Safety Devices in Place and Functioning?

Date of Last System Calibration (if applicable)

Attach Calibration/Test Reports (if applicable)

Environmental Considerations

8 of 9

Addresses potential environmental impacts and mitigation measures.

Potential for Spills/Leaks?

Describe potential environmental impacts (e.g., water, air, soil contamination)

Estimated Spill Volume (if applicable, in gallons/liters)

Potential Contaminants Released (Select all that apply)

Describe mitigation measures to prevent/control environmental impacts.

Containment System in Place?

Supporting Documentation (e.g., spill prevention plan, waste disposal permits)

Review & Sign-Off

9 of 9

Records sign-off by responsible personnel, confirming the safety review is complete.

PSSR Review Date

PSSR Review Time

Maintenance Supervisor Signature

Operations Representative Signature

Reviewer Name (Maintenance)

Reviewer Name (Operations)

Comments/Observations

PSSR Approval Code (if applicable)

Overall PSSR Status

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