Formal Hazard Assessment - Excavation Adjacent to Buried Utilities
Generated 2026-05-13 - Awaiting approval
1. Hazards Identified
Contact with energized electrical utilities (electrocution), natural gas line rupture (explosion/fire), pressurized liquid or steam lines, fibre optic and communication conduit damage.
Your Safety Manual § 7.2.1
2. Required Controls
Alberta One-Call locate required minimum 3 business days prior. Potholing required within 1 m of any utility. No mechanical digging within 1 m of confirmed utility. Supervision present during all work within the influence zone.
OHS Reg. Part 32 § 4.2
3. PPE Requirements
Class 2 high-visibility vest, CSA-approved safety footwear, hard hat, safety glasses. Air monitoring required if gas utility is within influence zone. Escape route identified and communicated at tailgate.
Your Safety Manual § 4.1.3
4. Emergency Response
In the event of utility strike: evacuate and establish exclusion zone, call 911 and utility owner, do not re-enter until utility owner authorizes clearance. Incident report due within 24 hours.
Your Safety Manual § 4.1.5
