5. Now some manganese open pits of the Pokrovsky MPE are under cleaning-up of ore reserves. In this respect researches of a reengineering of a technological scheme of mining operations under cleaning-up of pit area are needed. In this aspect, not enough attention is still being paid to the solution of issues related to the technology for cleaning-up of deposit and the closure of open pits, as well as the production costs for the improvement of their surface. References 1.