THE VENTILATION OF BLIND WORKINGS OF WATER—SUPPLY TUNNEL OF HYDRO POWER IN CASE OF GENERATION OF A CARBON DIOXIDE IN THE MASSIF

Print version was published: Mining Journal 2(29), 2012. 70-74

            A question of local sources of carbon dioxide have considered in this work that were detected during of tunneling of water-supply tunnel of Lukhuni hydго power. This event led to the termination of tunnel works, since formed an unfavorable environment for breathing and have had poisoned staff. As a result  of various  measurements  of carbon  dioxide  concentration was varied in the range of 4.5-5.5%.