Regulation 263(1) A manager of a mine shall in relation to the mine, ensure that tailings storage facilities comply with the hazards classes as follows:Hazard class        Affected persons        Environmental/material damage        CBAnot allowed        01—2021 - 50> 50        moderateseriousvery serious        (2) The Chief Inspector of Mines shall establish specific minimum standards for each hazard class.(3) Standards established in sub-regulation (2) shall in the case of a more dangerous facility provide(a) a higher safety standard;(b) a specific construction method;(c) a higher static safety factor for the embankment; and (d) increased control and inspection.(4) A manager of a mine shall in relation to that mine ensure that(a) the location of a tailings storage facility is in an area where the failure of the embankment is not likely result in a threat to human life; and(b) the tailing facility is not under any circumstance located in a place where the failure of an embankment would affect more than fifty dwellings