Queensland Consolidated Regulations

COAL MINING SAFETY AND HEALTH REGULATION 2017 - REG 239

239 Other explosion-protected electrical plant

(1) This section applies to explosion-protected electrical plant supplied with electricity by a trailing cable, other than plant—

(a) mentioned in sections 233 to 238 ; or

(b) having explosion protection category Ex ia; or

(c) operated in a NERZ.

(2) The plant must be fitted with at least 1 automatic methane detector to detect the general body concentration of methane around the plant.

(3) The detector must automatically trip the electricity supply to the plant when the concentration exceeds 2%.

(4) This section does not apply to plant that is being operated in a location inspected periodically by a person using a portable methane detector.

(5) In this section—

"periodically" , for inspecting plant in a location in an ERZ1, means at least twice during a shift at approximately evenly spaced intervals.