Approval to build underground dam

(1) The manager shall ensure that no structure for impounding water, restraining saturated material or confining under pressure is constructed underground unless the plans and specifications have the written acceptance of the Inspector. workers from dams. (2) Notwithstanding paragraph (1) of this Regulation; structures of a temporary nature may be constructed providing no person shall be allowed to work in any part of the mine that could be affected in the event of a failure of the structure until the Inspector has inspected it and verified that it is safe.