FIELD: mining industry. SUBSTANCE: method includes performing preparation excavations, boring ore drifts, boring of wells fans, breaking off of ore, output and loading of received ore and filling of excavated chamber space with rock filling. After performing preparation excavations concurrently with cleaning process a trench is formed of upper ore boring drift of lower chamber by means of reboring well fans from it for a trench height. Removed ore during forming of trench is let out with the rest of the ore excavated by cleaning through the trench of lower chamber. Chambers handling within the deposit is performed in ascending order. EFFECT: increased safety and lowered laboriousness. 1 dwg
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