http://www.legislation.gov.uk/nisi/1983/150/article/7The Quarries (Northern Ireland) Order 1983texttext/xmlenStatute Law Database2016-03-02Expert Participation2012-04-01Provisions as to safetyRestrictions on dangerous operations in quarries7F1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .