General view of the dam of the Bukhtarma hydroelectric power station on the river. Irtysh. Secretary of the Central Committee of the Communist Party of Kazakhstan G.A.Kozlov cuts the tape during the ceremonial launch of the first unit and turns on the switch. The power plant engineer on duty at the control panel. A meeting of builders. Speakers: head of construction MV Inyushin, GA Kozlov and others. On the podium among the guests is the writer O. Berggolts.