PART XXIX UNDERGROUND OPERATIONS — Operating vehicles

keep a diesel engine running underground for more than 10 minutes when not in use; or drive at a reasonable and prudent speed having regard to the actual and potential hazards of the area, and shall not proceed where a person's safety is endangered;

leave a diesel powered locomotive unattended, unless the brakes have been set and the engine shut off. ensure that the lights are operative;

Diesel vehicles underground shall meet the requirements of CSA Standard CSA M424.2 "Non-Rail-Bound Diesel-Powered Machines for Use in Non-Gassy Underground Mines".

A worker operating a vehicle underground shall

sound the audible warning device

when approaching a pedestrian, (ii) when approaching travelways unless alternative protection is provided, (iii) whenever a person's safety may be endangered by the vehicle's movement, and (iv) where the vehicle travels on rails, before starting;

trim and secure a load being transported to prevent spillage and damage;

ensure that each passenger is seated with the seatbelt secured before moving the vehicle; and

where the vehicle is electrically powered, set the brakes, place the control lever in the neutral position, and disconnect the source of power before leaving the vehicle unattended.