Minimum clearance for track haulage

(1) Where track haulage is used, the following minimum clearances between the vehicles and the sides of the roadway shall be maintained– (a) 300 mm (12 ins.) on one side and 600 mm (24 ins.) on the other; and 105 (b) 300 mm (12 ins.) above the head of a person travelling on the vehicle and the roof of the roadway or any obstruction in it. (2) Where any trackless mobile equipment is operating, the minimum clearances shall betrackless (a) 2 meters (6.6 feet) in excess of the maximum width of the vehicle; and (b) 300 mm (12 ins.) above the roll over protective structure with which the vehicle shall be equipped. (3) Notwithstanding paragraphs (1) and (2) of this Regulation, the inspector may permit a reduction of the minimum distances with a requirement to install safety stations at distances and other requirements which the Inspector prescribes. Exemption. (4) Safety stations underground shall be plainly marked, maintained free from obstructions, be cut as close to perpendicular to the roadway as is practical, and have minimum dimensions of 1 meter (3.3 feet) deep, 2 meters (6.6 feet) high and 1.5 meters (5 feet) wide. Safety stations. (5) When necessary, the Inspector shall mandate that falling object protective structures be installed on underground equipment and they shall have the minimum structural capacity to support elastically a dead weight of 82,000 kilograms (180,000 lbs.) or 105 kilonewtons per square meter distributed over the plan area of the structure, whichever is less and shall be certified as such by a qualified professional engineer. Falling object protective structures on 106