The new technology of working the deep levels of the mines at 《Apatit》 corporation in the conditions of tectonic stressed, shock-dangerous massifs is shown; it includes creation of the deep discharge area along the hanging deposit side during the cleaning operations. Local stresses in the massif can be decreased by 1.5-2.0 times and, therefore, safety and inten-sity of working the main reserves of the level, with usage of sublevel caving system, can be increased.
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