256(1)An employer shall ensure that a conveyor installed underground or in any other place where a belt fire of the conveyor may endanger the life of an employee is
(a)
made of fire resistive material, or
(b)
protected by an adequate automatic fire extinguishing system.
Spiral chute conveyor and fire hazard
256(2)Where it is necessary to maintain a fire separation between parts of a building, an employer shall ensure that a spiral chute conveyor is
(a)
enclosed in a shaft made of fire resistive material with doors at each end of the shaft, or
(b)
provided with automatic fire doors or draft checks when the chute of the conveyor passes through the parts of the building.