# The Mines Regulations (Northern Ireland) 2016, Paragraph 8

Extent: N.I.

In the case of roadways where props and bars are used as the principal support—
(a) the maximum distance between adjacent bars shall be 1.2 metres;
(b) the minimum number of props per bar shall be 2; and
(c) the maximum distance from the last bar to the face shall be 3.5 metres.

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Source: https://www.legislation.gov.uk/nisr/2016/427/schedule/1/paragraph/8 (the official version)
Page: https://openlegislation.uk/mines-regulations-northern-ireland-2016/schedule-1/paragraph-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.