# The Mines (Precautions Against Inrushes) Regulations 1979, Regulation 5


(1) The owner and the manager shall each have the duty to take, with respect to any workings being carried on or proposed to be carried on in the mine in the vicinity of the sea, a lake or river or any other body of surface water (whether accumulated naturally or artificially) such steps as may be necessary—
(a) to ascertain the total thickness of the strata lying between the workings and the surface water;
(b) to satisfy themselves that the strata are sufficiently reliable to prevent an inrush of water from the surface.
(2) Where any information is obtained by either the owner or the manager in consequence of the discharge of the duty imposed by paragraph (1) of this Regulation, that owner or manager, as the case may be, shall ensure that the other of them is immediately furnished with that information.

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Source: https://www.legislation.gov.uk/uksi/1979/318/regulation/5 (the official version)
Page: https://openlegislation.uk/mines-precautions-against-inrushes-regulations-1979/regulation-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.