# The Quarries (Explosives) Regulations 1988, Regulation 11: Prohibited shots


(1) No person shall charge or fire a shot at a quarry—
(a) between one hour after sunset and one hour before sunrise;
(b) in a shothole which has previously been fired, unless he is dealing with a misfire in accordance with action taken in pursuance of regulation 10(b); or
(c) in any tunnel or other excavation (not being merely a shothole) in the face or side of the quarry for the purpose of getting minerals or products of minerals (a “heading blast”), but this sub-paragraph shall not apply to any quarry at which heading blasts were used at any time during the period of 2 years immediately preceding the coming into force of these Regulations.
(2) No person shall forcibly remove any detonator lead, safety fuse or other system for initiating shots from a shothole after the shothole has been charged and primed.

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Source: https://www.legislation.gov.uk/uksi/1988/1930/regulation/11 (the official version)
Page: https://openlegislation.uk/quarries-explosives-regulations-1988/regulation-11
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.