In connection with the plans to increase the production capacity of the enterprise and the construction of the waterproof dam of the second stage on the initiative of the supervisory authority and in accordance with the internal decisions of the enterprise, Gorevsky GOK, JSC has justified the feasibility of the conditions and recalculation of the field's reserves as of 01.01.2012. The reserves calculated in the contour of the projected quarry as of January 1, 2012, were prepared for further industrial exploit. Development of feasibility study of the conditions and the vindication in the Russian Commission of Stocks (RCS).