OHS Code

Published Date: July 01, 2009
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Part 36 Mining

Section 558 Water control valves

(1) An employer at an underground mine must ensure that fire fighting water control valves meet the requirements of this section and are located

(a) on the intake side of conveyor loading points, transfer points and main junctions,

(b) along fire ranges so that the distance between valves is not more than 100 metres,

(c) at points central to room and pillar workings, and

(d) as close as reasonably practicable to longwall faces.

(2) An employer at an underground coal mine must ensure that the fire fighting system and water control valves are capable of delivering a flow of not less than 4 litres per second.

(3) An employer at an underground mine must ensure that the following are as close as is reasonably practicable to each fire fighting water control valve:

(a) nozzles with a minimum internal diameter of 38 millimetres;

(b) hoses

(i) long enough to cover the distances between the valves,

(ii) with a minimum internal diameter of 38 millimetres, and

(iii) with a working pressure of 1000 kilopascals.