B. 10.3. Draw Points, Tipping Points, Rock Passes And Box Fronts

Question 0

What is the definition of “draw point”?

Answer 0

“draw point” means a point where rock is loaded out or allowed to flow from an excavation.

Question 1

What is the definition of “box front”?

Answer 1

“box front” means a structure installed at an opening of a rock pass to control the flow of rock, and includes bulkheads, chutes, platforms, control mechanisms, cylinders and similar accessories.

Question 2

What is the definition of “rock”?

Answer 2

“rock” means any mineral, ore and waste in solid form and coal.

Question 3

What is the definition of “rock pass”?

Answer 3

“rock pass” means any inclined excavation in which any rock is transported by the force of gravity.

Question 4

What is the definition of “tipping point”?

Answer 4

“tipping point” means the upper inlet into a rock pass.

Question 5

What reasonable practicable measures must the employer ensure with regards to draw points, tipping points, rock passes and box fronts?

Answer 5

10. 3 (1) The employer must take reasonably practicable measures to ensure that-
    a) the designs, and any modifications thereto that can change the design criteria, of structures for draw points, tipping points, rock passes and box fronts are recorded and approved in writing by a competent person; and
    b) the approved designs and records of approval are kept readily available at the mine for the life of such installation.
11. 3 (2) The employer must take reasonably practicable measures to ensure that-
    a) a competent person in writing certifies that the construction, installation and modification of draw points, tipping points, rock passes and box front structures have been done in accordance with their design criteria before they are used; and
    b) the written certifications contemplated in regulation 10.3(2)(a) are kept readily available at the mine for the life of the particular structure.

Question 6

What reasonable practical measures must the employer ensure with written procedures for draw points, tipping points, rock passes and box fronts?

Answer 6

10. 3 (3) The employer must take reasonably practicable measures to ensure that written procedures are prepared and implemented for-
    a) the removal of structures for draw points, tipping points and box fronts;
    b) persons entering a rock pass while it contains water, mud, rock or a combination thereof;
    c) clearing blocked rock passes; and
    d) the lock-out, maintenance and rehabilitation of draw points, tipping points, rock passes and box fronts.