Demolition of buildings and technological equipment of carbamide with subsequent landscaping in the block 15. Disassembly of piping in the zone of increased risk of explosion without the use of fire. Dimensions of reinforced concrete tower – height 52 m, diameter 20 m. Demolition and dismantling work was carried out by gradual dismantling from top to bottom when using mechanical machinery to an appropriate degree. Some technological equipment located in areas not accessible to machinery were dismantled by manual combustion with industrial gases.