1Short titleThis regulation may be cited as the Coal Mining Safety and Health (Explosion Barriers) Amendment Regulation 2021.2Regulation amendedThis regulation amends the Coal Mining Safety and Health Regulation 2017.3Amendment of s 303A (Explosion barriers)(1)Section 303A(1)—omit, insert—(1)The underground mine manager for an underground mine must ensure—

(a)explosion barriers are installed and maintained in the part of each of the following roadways within an ERZ1 in a part of the mine where coal is being extracted—

(i)a return roadway;

(ii)a single entry drive;

(iii)a roadway in which a coal conveyor is installed; or

(b)explosion barriers that are active barriers, devices or systems are installed and maintained on plant within an ERZ1 in a part of the mine where coal is being extracted in a way that would prevent the propagation of a coal dust explosion to a place mentioned in paragraph (a).

(1A)The underground mine manager must also ensure explosion barriers are installed and maintained in a place in the mine, other than a place at which an explosion barrier is installed and maintained in compliance with subsection (1), identified by a risk assessment for the mine.Examples of places for subsection (2)—homotropal conveyor roadways and return bleeder roadways not within an ERZ1 in a part of the mine where coal is being extracted(2)Section 303A(2), definition explosion barrier, paragraphs (a) and (b), after ‘barrier’—insert—, device or system(3)Section 303A(2), definition explosion barrier, paragraph (a), after ‘for barriers’—insert—, devices or systems(4)Section 303A(1A) and (2)—renumber as section 303A(2) and (3).