Safe Work Practices > Presco Change

Date Reviewed: February 17, 2026

•Perform all work as per Canadian Electrical Code, OH&S Regulations, & company policies.

•Ensure proper PPE (steel toed boots, coveralls, safety glasses, hard hat, and H2S monitor).

•Identify all hazards (pressure, H2S gas, open valves).

•Lock & tag as per lockout procedure.

•Apply unit brake.

•Have operator present if possible.

•Close all valves, ratigans, etc., as required.

•Bleed off pressure as required.

•Disconnect as per wiring & maintenance procedure.

•Re-install & wire new presco.

•Re-open valves where required.

•Remove lockout & brakes.

•Reactivate well.