Regulation 20 Fire and explosion hazardsI1
England, Wales and Scotland
(1)
The operator shall ensure that no person at work at the quarry uses a naked flame or carries out any work which could give rise to a risk of an unintended explosion or fire unless sufficient measures to prevent such an explosion or fire are taken.
(2)
No person shall smoke in any part of a quarry where there is a risk of fire or explosion.