2.15.18. Mast-climbing transport platform: A mast-climbing transport platform must be designed and manufactured in accordance with CSA Standard B354.12, Design, Calculations, Safety Requirements, and Test Methods for Mast Climbing Transport Platforms. In addition,1. the mast-climbing transport platform musta) be covered with a roof in accordance with section 4.4.3.2 of that standard; and
b) be enclosed by a fixed guardrail at least 1.06 m high consisting of full-length wire mesh that can block a 25 mm ball;
2. the hoistway doors musta) be at least 2 m high;
b) be equipped with a side protector at least 0.6 m wide on both sides of the door; and
c) be equipped with a mechanical interlock system that prevents the platform from moving when the hoistway door is open;
3. where the floor of the loading dock is less than 2 m from the ground, the hoistway door providing access to the platform at that level maya) be at least 1.06 m high consisting of full-length wire mesh that can block a 25 mm ball;
b) be equipped with a side protector at least 0.6 m wide on both sides of the door consisting of full-length wire mesh that can block a 25 mm ball; and
c) be kept closed by means of a latch;
4. The loading dock must be enclosed by a guardrail that complies with section 3.8.3 of this Code;
5. A mast-climbing transport platform may not be used at a height of more than 55 m measured from the ground;
6. A fence at least 1.8 m high must enclose the work area around the mast-climbing transport platform installations.