The scope of provided works covered design services, replacing and modification of technological equipment during boilers shout downs (replacing of id-fans and motors, replacing of air pre-heaters together with heat baskets and modification of necessary installations, installation of dampers, modification of boilers’ walls), production, delivery and erection of supporting steel structures, technological buildings, absorber, 4 SCR reactors, limestone silo, lime silo, emptying tank, flue gas ducts and delivery and installation of technical insulation.