Seven days apart, two long-faces were launched at Belon’s enterprises, Chertanskaya Yuzhnaya and Kostromovskaya mines.
Miners and installers took 32 days to re-mount the equipment from long-face 607 at 280-thousand-t long-face 609 at Chertanskaya Yuzhnaya mine that is planned to exhaust by mid-October, 2012.
Another long-face reequipped for operation, 19-05 at Kostromovskaya, is 230-m long, hides 1.04 m t of coal and is planned to exhaust by mid-November of 2012.