The characteristic of the unique iron ore enterprise is given. The assessment of capital expenses for building of land and underground objects of Yakovlevsky mine is made. The assessment of the current expenses for realization of the project is made. The economic indicators of efficiency of the project on increase of capacity of Yakovlevsky mine JSC «Metall-group» to 4,5 million tons per year are calculated. Planned technical and economic indicators are given. The assessment of financing source of the project is made.