Regulation 87The manager of a mine shall ensure that(a) where planned or existing excavation, waste dump, ore stockpile, water or tailings impoundment or other activity or construction presents or is likely to present a hazard to a person on an adjacent mine or on any land adjacent to the boundary of the mine,(i) the hazards are identified and the associated risks are assessed; and(ii) consideration is given to what preventive or remedial measures can be taken to remove the hazards or guard against those risks; and(b) excavations are not undertaken at a distance of less than thirty metres to the boundaries of other land holdings, which are owned by persons other than the holder of the mining lease; and(c) sufficient space is left to install protection against inadvertent access by persons after the mine is abandoned.