References

2016.

• Assembly of thermal insulation with accompanying scaffolding on ash piping systems
• Overhaul of dampers, steel structure, air ducts and flue gas ducts on Units A1 and A2

2017.

• Yearly overhaul and maintenance of thermal insulation and scaffolding works on Unit A1 and A2

2018.

• Yearly maintenance of thermal insulation and scaffolding works on Units A1 and A2
• Yearly overhaul and maintenance of mills and coal feeders with replacement of coal dispenser sections and mill sealing plate sections

2019.

• Yearly overhaul and maintenance of thermal insulation and scaffolding works on Units A1 and A2
• Yearly overhaul and maintenance of fan mills on Unit A2
• Yearly overhaul and maintenance of coal feeders and coal dispensers on Unit A2

2020.

• Yearly overhaul and maintenance of thermal insulation and scaffolding works on Units A1 and A2
• Yearly overhaul and maintenance of fan mills on Units A1 and A2
• Yearly overhaul and maintenance of coal feeders and coal dispensers on Units A1 and A2

2021.

• Yearly overhaul and maintenance of thermal insulation and scaffolding works on Units A1 and A2
• Yearly overhaul and maintenance of fan mills on Units A1 and A2
• Yearly overhaul and maintenance of coal feeders and coal dispensers on Units A1 and A2

2015.

• Assembly of thermal insulation with accompanying scaffolding on Emergency Discharge Reservoir for Flue Gas Desulfurization plant

2016.

• Fabrication and erection of steel construction and metal sheet cladding with accompanying scaffolding on lime storage for Flue Gas Desulfurization plant
• Anti-corrosion and fireproof protection with accompanying scaffolding on lime storage for Flue Gas Desulfurization plant
• Assembly of thermal insulation with accompanying scaffolding on Absorber no.1 and Absorber no.2 on Flue Gas Desulfurization plant
• Assembly of thermal insulation with accompanying scaffolding on flue gas ducts no.1 and no.2 on Flue Gas Desulfurization plant
• Assembly of thermal insulation with accompanying scaffolding on Flue Gas Desulfurization plant piping systems
• Replacement of Pulverised Fuel Duct sections from mills up to 16m level on Unit B2 (fabrication, disassembly, assembly of steel construction and expansion joints and fabrication and assembly of new thermal insulation) with accompanying scaffolding
• Overhaul of Pulverised Fuel ducts on Unit B1 (fabrication, dismantling and assembly of steel construction and coal burner dampers with accompanying scaffolding works and thermal insulation)
• Disassembly and assembly of thermal insulation on expansion joints of sealing air ducts on Unit B1
• Assembly of concrete blocks on building roofs and pedestrian sidewalks on Flue Gas Desulfurization plant
• Anti-corrosion protection with accompanying scaffolding on conveyor steel structure, piping steel structure and equipment at Flue Gas Desulfurization plant

2017.

• Yearly overhaul and maintenance of thermal insulation and scaffolding works on Units B1 and B2
• Delivery and assembly of pre-insulated heating piping system in the area of new Unit B3
• Replacement of flue gas duct section: connection section to new desulfurization plant duct

2018.

• Yearly overhaul and maintenance of thermal insulation and scaffolding works on Units B1 and B2

2019.

• Yearly overhaul and maintenance of thermal insulation and scaffolding works on Units B1 and B2
• Delivery and installation of approx. 3km of piping for ash hydromixture Ø508mm x 8mm
• Repair of the roof on main slope bridge (main coal conveyor)

2020.

• Yearly overhaul and maintenance of thermal insulation and scaffolding works on Units B1 and B2
• Overhaul of rotary air heater (rotary heat exchanger) and flue gas ducts on Units B1 and B2
• Overhaul of fan coal mills with associated pulverized fuel ducts on Units B1 and B2
• Replacement of trapezoidal sheets on boiler roof cladding on Units B1 and B2

2021.

• Yearly overhaul and maintenance of thermal insulation and scaffolding works on Units B1 and B2
• Overhaul of rotary air heater (rotary heat exchanger) and flue gas ducts on Units B1 and B2

2016.

• Assembly of thermal insulation with accompanying scaffolding on inlet and outlet flue gas ducts, also diffusor, conffusor and hoppers of electrostatic precipitator
• Assembly of thermal insulation panels on the façade of electrostatic precipitator
• Assembly of thermal insulation with accompanying scaffolding on technical piping of electrostatic precipitator

2017.

• Yearly overhaul of thermal insulation and scaffolding works

2018.

• Yearly overhaul and maintenance of thermal insulation and scaffolding works

2019.

• Yearly overhaul and maintenance of thermal insulation and scaffolding works

2020.

• Yearly overhaul and maintenance of thermal insulation and scaffolding works
• Yearly overhaul and maintenance of refractory
• Overhaul of fan mills with associated pulverized fuel ducts

2021.

• Yearly overhaul and maintenance of thermal insulation and scaffolding works
• Yearly overhaul and maintenance of refractory
• Overhaul of fan mills with associated pulverized fuel ducts

2017.

• Yearly overhaul of thermal insulation and scaffolding works

2018.

• Yearly overhaul and maintenance of thermal insulation and scaffolding works

2019.

• Yearly overhaul and maintenance of thermal insulation and scaffolding works

2020.

• Yearly overhaul and maintenance of thermal insulation and scaffolding works
• Repair of overflow system on ash depository field: approx. 2 km of piping Ø 711 mm x 8 mm with fabrication of overflow shaft construction
• Overhaul of cooling towers on 110 MW Unit

2021.

• Yearly overhaul and maintenance of thermal insulation and scaffolding works
• Yearly overhaul and maintenance of refractory

2016. and 2017.

• Construction of four artificial fishing lakes with exploitation of soil, clay and gravel

2016 – 2017.

• Assembly of thermal insulation on the facades of buildings A and B

2017.

• Overhaul of thermal insulation with accompanying scaffolding on the separator

2018.

• Yearly overhaul and yearly maintenance of thermal insulation and scaffolding works on Units A1, A2, A3, A4, A5 and A6
• Yearly overhaul and yearly maintenance of refractory on Units A1, A2, A3, A4, A5 and A6
• Yearly cleaning of coal depo and coal conveying system

2019.

• Yearly overhaul and yearly maintenance of thermal insulation and scaffolding works on Units A1, A2, A3, A4, A5 and A6
• Yearly overhaul and yearly maintenance of refractory on Units A1, A2, A3, A4, A5 and A6
• Emergency maintenance of refractory during the unplanned shutdowns
• Yearly cleaning of coal depo and coal conveying system
• Overhaul of coal mills (rotary hammer type mills) on Units A3, A4 and A5

2020.

• Yearly overhaul and yearly maintenance of refractory on Units A1, A2, A3, A4, A5 and A6
• Yearly cleaning of coal depo and coal conveying system
• Overhaul of coal mills (rotary hammer type and fan type mills) on Units A1, A2, A3, A4, A5 and A6

2021.

• Yearly overhaul and yearly maintenance of refractory on Units A1, A2, A3, A4, A5 and A6
• Yearly cleaning of coal depo and coal conveying system
• Overhaul of coal mills (rotary hammer type and fan type mills) on Units A1, A2, A3, A4, A5 and A6

2020.

• Thermal insulation and scaffolding works at connection segments of flue gas ducts

2021.

• Scaffolding works on FGD plant erection (approx. 100.000 m² of scaffolding)

2019.

• Yearly maintenance of thermal insulation and scaffolding works
• Yearly overhaul and yearly maintenance of refractory

2020.

• Yearly overhaul and yearly maintenance of thermal insulation and scaffolding works
• Yearly overhaul and yearly maintenance of refractory
• Overhaul of rotary air heater (rotary heat exchanger) on Units B1 and B2

2021.

– Yearly overhaul and yearly maintenance of thermal insulation and scaffolding works

– Yearly overhaul and yearly maintenance of refractory on Unit B2

-Works within the major overhaul of Unit B1:

• Complete replacement of boiler refractory (50% of total quantity, approx. 325 tons of refractory)
• Complete replacement of recirculation ducts refractory on 4 out of 8 ducts (approx. 1200 tons of refractory)
• Disassembly of existing PF ducts, coal burners and hot air ducts on 4 out of 8 burner verticals
• Assembly of new PF ducts, coal burners and hot air ducts on 4 out of 8 burner verticals
• Assembly of new OFA ducts with associated support steel reinforcement (50% of total works)
• Assembly of new service platforms and galleries (50% of total works)
• Disassembly of old thermal insulation from boiler, PF ducts, air ducts, steam piping, batteries, drainage lines, injection lines, coal burners, oil burners, boiler header chambers, starting vessel, turbine and auxiliary equipment (50% out of approx. 23000 m² of insulation)
• Fabrication and assembly of new thermal insulation (50% out of approx. 30000 m² of insulation)
• Complete scaffolding works within the overhaul (50% of total works)

2019.

• Works within the major overhaul 2019.
• Overhaul of thermal insulation (approx. 4.000m²)
• Complete scaffolding works within the overhaul (approx. 35.000 m²)

2019-2020.

• Fabrication and assembly of new thermal insulation on DCU Unit (approx. 15.000 m²)

2021 – ongoing

• Scaffolding works in the period 2021 – 2023 year (yearly maintenance)