New South Wales Repealed RegulationsThis legislation has been repealed.
(1) All stoppings and air crossings constructed between main intake airways and return airways in a mine must be substantial in structure, airtight (so far as is practicable), fireproof and designed to minimise damage in an explosion.
(2) Stoppings and air crossings between split intakes and return airways in a mine must be reasonably airtight and fireproof and be of substantial structure up to the commencement of any hazardous zone.
(3) A stopping constructed for the purpose of sealing off a part of a mine must be substantial in structure, airtight and designed to resist damage in the event of an explosion. Provision to allow sampling of the atmosphere in the sealed off area must be made.