TPP KOSTOLAC B1 & B2 (2 x 350 MW) Serbia

• Block B1 -Replacement of Superheater SH2 (Weight: 162 t) - 2010.
• Block B1 & B2 - Prefabrication and Erection of Reheater RH1 & RH2, Pipe Dimension: ø60,3x3,6, Material: 13CrMo4-5  - 2014.
• Block B2 - Project of Reducing Nitrogen Oxide (DeNOx) Emissions Behind ESP below <170mg/Nm³ & CO≤ 200mg/Nm³ - 2019.
• Manufacture and Replacement of Air Mixture Ducts, weight: 17.5 t, Hot Air Ducts, weight: 8.5 t and Coal Burners (weight: 60 t) with sliding plates.
• Modification of Screen Wall from +15.5 to 31.15 m weights 100 t (pipes: ø30x5 mm, membrane ≠5x16.5 mm, Material: EN 16Mo3).
• Installation of OFA 1 & OFA 2 Ducts with included valves, compensators and supports, weight: (30+40) t.

RWE NIEDERAUSSEM (3 864 MW) Germany

• Replacement of Boiler Pressure Parts at Blocks K (1000 MW), E (300 MW) & H (600 MW) - 2010.
• Replacement of Headers at Blocks H & F (600 & 300 MW) - 2014.
• Overhaul of Boiler Pressure Parts Replacement of Header, Reheater RH1 & RH2 including Bandage at Block D (636 MW) - 2014.

RWE NEURATH 7 Units (4 211 MW) Germany

• Overhaul works of Boiler Pressure Parts at Block A & C, Block D & E and Block F - 2010-2012, Block D - 2013, Block C & G - 2014.
• Block A & B, D and F & G - 2016. Block A & D and F & G - 2019. Block C & E and F & G - 2021.

TPP TENT A (A1-A6), (1765 MW) Obrenovac, Serbia

TENT Block A1 (210 MW)

• Fabrication and Installation of Reheater RH1 - 2010.
• Manufacture and Replacement of the Superheater SH4 (Weight: 120 t) & Pipes at the inlet to the Evaporator Header.
• Headers of SH4 (Tube dimensions: ø273x32x3940, Material: 14MoV6-3+NT) & Connecting Steam Line - 2014.
• Replacement of the Superheater SH1 & SH2 - 2016.

TENT Block A4 (308 MW) & A5 (340 MW)

• Replacement of Evaporator & Overhaul of Reheater RH2 - 2011.
• Procurement & Overhaul works of Heating Surfaces - 2017.

Technical details:
Evaporator (Weight: 55 t, Material: 16MO3), Superheater SH3 (Weight: 140 t, Material: 15Mo3,13CrMo4 4), SH2 (Weight: 15 t, Material: 10CrMo9 10), Reheater RH2 (Weight: 80 t),
Disassembly –Assembly works on Air Mixture & Hot Air Ducts, including Steel Structures, Burners, Evaporator & Reheater RH2.

TENT Block A5 (340 MW)

• Capital Repair of Boiler Pressure Part Tube System - 2012.
• Replacement of Superheater SH5, Weight: 114.000 t, Tube Dimensions: ø32x4,5 mm, Material: 13CrMo4 4; 14MoV6 3.
• Reheater RH2 with the outlet Header, weight: 74 t, Tube Dimensions: ø51x5 mm, Material: 13CrMo4 4; 10CrMo9 10.

TENT Block A3 (329 MW)

• Capital Overhaul of Boiler Pressure Part & Reduction Nitrogen Oxides (DeNOx), 2013-2014.
• Replacement of EKO 1 & 2, Weight: (165+173.5) t, Dimensions: ø32x4,5, Material: 265 GH (St45.8), Superheater SH2, SH3 & SH5, Weight: (16+30+116.3) t, Material: 13CrMo4-5.
• Reheater RH1, RH2, Weight: (135+77.5) t, Material: 13CrMo4-5, 10CrMo9-10 & X10, headers of ECO, MP2 outlet and both MP1 headers,
  dismantling, prefabrication and installation of air mixture ducts, including steel structures and burners, weight: (89.8+50.4+67.3) t.

TENT A3 & A4

• Replacement of Boiler Pressure Part Tube System - 2020.
• Replacement Inlet (2 pcs) & Outlet (2 pcs) Headers of Superheater SH6 (Tube dimensions: Ø296 x36 mm), Material: X10CrMoVnb9-1.
• Replacement of connecting steam pipeline SH5 -SH6 (Tube dimensions: Ø76.1x12 mm), Material: X20 and RH1 –RH2 (Tube dimensions: Ø57x6 mm), Material: 14MoV6-3.

LIPPENDORF (2 x 924 MW) Germany

• Overhaul Boiler Pressure Parts –Evaporator (250 m²) at Block H - 2011.
• Overhaul works of Evaporator in zone of the funnel at Block S (934 MW) - 2014.
• Overhaul of Boiler Pressure Part Block S - 2016.

TPP TENT B1 & B2 (2 x 620 MW) Usce, Serbia

TENT Block B1 (620 MW)

• First phase of revitalization of boiler piping system - 2012.
• Works on Evaporator –Replacement from +4 m to +72.5 m with outlet Headers, Buckstays.  Estimated weight of equipment is ≈300t of Evaporator Panels with outlet Headers and ≈450t of Steel Structure. Butt welded joints of Evaporator panels 38x5mm & 33.7x4.5mm, Material: 13CrMo4-5 ~4800 welded joints. Longitudinal welded joints of membranes on Evaporator Panels (V 6mm) ~1140m, including Replacement of the SH2  and Steam & Water Soot Blowers, in goal increase of Block Power from 620 MW to 665 MW.
• Overhaul and Maintenance of Boiler Pressure Part, 2012- 2020.
• Prefabrication and Supply for Capital Overhaul -Prefabrication parts of Straight Pipes and Headers RA Steam Line (Weight: 220 t) - 2020.
• Prefabrication of Superheater SH2, with suspension pipes (Weight: 210 t), Connecting Pipeline RH1 RH2 & RH2 RH3 (Weight: 50 t), 2020-2021.
• Second phase of revitalization of boiler piping system including project of DeNOx - 2021.
• Replacement of Evaporator Tubes from elevation +6.17m to +72.5m, dim. 14m x 2.9m and with unit weight 4t, total weight: 770t. Material of Evaporator and Collector Pipe elements: 13CrMo4-4; 13CrMo4-5, Total frame weight of Steel Structure with auxiliary Eq.160 t.  Connecting (downhole) pipes in the Trichter area Ø88,9x10mm /16M, 130 welded joints, total weight: ≈32 t.

TENT Block B2 (620 MW)

• Replacement of Superheater SH3 with hanger tubes - 2011.
• Overhaul and Maintenance of Boiler Pressure Part,  2013 - 2020.
• Major overhaul - First phase of revitalization of boiler piping system - 2016.

The scope of works on boiler tube system included Replacement of Evaporator tubes from +72.5m until +113m level, ≈Weight of 300t of Evaporator Panels with outlet Collectors and ≈160t of Steel Structure with auxiliary equipment. Replacement of Superheater SH1, Reheater RH2 & 3 with accompanying Hanger Tubes.

RWE TPP WESTFALEN HAMM (2 x 800 MW) Germany

• Overhaul of Steam Pipeline of Low & Medium Pressure - 2012.
• Prefabrication, Disassembly & Installation of Low Pressure Pipelines with steel frame and suspension on Block E - 2013.

TPP WILHELMSHAVEN (E.ON 756 MW) Germany

• Overhaul of Boiler Pressure Part (747 MW) LOT 1-3 - 2012.

Nuclear PP Olkiluoto -Unit 3 (1600MW) Finland

• Prefabrication & Installation of Piping Systems and associated equipment including Welding Supervision - 2013.

RWE TPP Frimmersdorf (Block Q 300 MW) Germany

• Replacement of Superheater tubes at Block Q (300 MW) - 2013.
• Overhaul of Boiler Pressure Parts at Block P & Q (by 300 MW) - 2016.

TPP HERNE Evonik Steag GmgH (950 MW) Germany

• Revision and Overhaul works on the Evaporator - 2013.

TPP KUSILA (6 Units X 800 MW) South Africa

• MONT-R participate at Assembly and Welding works at the Boiler Pressure Part Tube System, 2013-2015.

TPP ATAKA (2 x 300 MW) Egypt

• Capital Rehabilitation of the Boiler Unit 3 & 4, 2015-2016.
• Replacement of Water Walls, between elevation 4.3 m to 21.5 m including Headers, Buckstays, Superheaters LTS, ITS.
• Replacement of complete pipe connections -Nozzles on the Lower Drum, including PWHT, Overhaul of Air Pre-Heater -LUVO.

TPP Heyden (Uniper 865 MW) Germany

• Overhaul of Boiler Pressure Parts - 2016.

RWE WEISWEILER units A-H (1958 MW) Germany

• Replacement of Membrane Wall & Superheater SH at Block G (600 MW) - 2012.
• Revision and repair work on the boiler Pressure Parts at Blocks E & F (by 300 MW) & Block H (600 MW) - 2014.
• Overhaul of Boiler Pressure Part Block E & F (by 300 MW) - 2014.
• Block G & F (by 600 & 300 MW) - 2016.
• Overhaul of Boiler Pressure Part Block G (600 MW) -  2019.
• Revision & Repair works of Boiler Pressure Parts Block H - 2021.

BOXBERG LEAG T (2575 MW) Germany

• Overhaul of Boiler Pressure Parts Unit R (675 MW) - 2017.
• Rehabilitation of the Superheater SH1 and SH3, at Unit R.

TPP Moorburg (Vattenfall 2 x 800 MW) Germany

Overhaul of Boiler Pressure Parts, Blocks A & B (by 800 MW) - 2018.

The PP was Shut Down in early 2021. In the future to generate hydrogen on the basis of renewable energies.

TPP HERMANN WENZEL (320 MW) Germany

• Rehabilitation works at Block 4 - 2019.

TPP ŠOŠTANJ Block 6 (600 MW) Slovenia

• Supply & Services for the Overhaul of Boiler Tube Lines of Unit 6 - 2021.
• Package 1: Lubeco (ECO) Manufacture & Replacement (Weight: 98.8 t) Pipes fi: 38x3,6; P235 GH & Supporting Pipes fi: 48,3x6,3; 16Mo3.
• Package 2: Manufacture & partial Tube Replacement on Reheater RH1 (Weight: 60.4t).

• Pipe RH1 ɸ44.5x4.0 mm, 16m x 800 pcs, total 13000m, Material: X10CrMoVNb 91 (Wr.No.1.4903) P91 & Armors of Pipes ɸ60.3 x6 x200mm, Material: X10CrAlSi7.
• Package 3: Disassembly and Assembly works on the modification of the existing System for Steam Supply to the Blowers ɸ114.3 x10 mm. Material of Pipes: 1.0038/S235JR, 1.5415/16Mo3, 1.7335/13CrMo4-5, 1.7380/10CrMo9-10, 1.4903/X10CrMoVNb9-1.