Western Australian Consolidated Regulations Western Australian Consolidated Regulations (1) The manager of an
underground mine must ensure that —
(a) if
special precautions are necessary for the safe running of trackless units in a
haulage way in the mine, an adequate number of warning notices are posted in
the haulage way advising persons of those special precautions;
(b) the
road surface of each haulage way in the mine is regularly graded and otherwise
maintained in a good and safe condition; and
(c)
dimensions in each haulage way in the mine are sufficient to provide the
clearances required under subregulation (2).
Penalty: See regulation 17.1.
(2) A haulage way must
have —
(a) a
total horizontal clearance of not less than 1.8 metres based on the widest
vehicle used in the mine; and
(b) a
total vertical clearance of not less than 600 millimetres based on the highest
vehicle used in the mine (the height of which is to include any overhead
protection canopy).