Prefabrication and delivery of shaped elements of the fresh steam pipeline for blocks no. 3,4,5

1) Installation of new pillars and beams of the supporting structure and their sectional replacement (along with disassembly of old pillars) for the boiler No. 1 in the ex axis;
2) Installation of a new supporting structure of boiler No. 2 (along with disassembly of old elements) in the range from + 38,000m to +56,000 including the replacement of the supporting grid;
3) Installation of a new roof structure of boiler room No. 2;
4) Construction and disassembly of the auxiliary construction for the performed works;
5) Disassembly of existing and assembly of new platforms of communication routes for boiler No. 2.