Installation of new obstruction lights on three chimneys, Power plant Bitola (2x250m) and Power plant Oslomej (180m) in accordance with ICAO International standards 2016
obstruction lights medium intensity (type a and b)
obstruction lights low intensity (type b)
main and junction boxes.
Contracting authority: ELEM - Macedonian power plants, Macedonia, 2018.
Repair of reinforced concrete chimney H=62m in heating boiler room Otoka Sarajevo
repair and protection of reinforced concrete shell from inside
repair and protection of top of the chimney (acid resistant brick and chimney cap)
replacement of flue ducts from boilers to chimneys with new prochromic (three-layer)
removing old ones, production and installing new galleries and climbers at the entire height of the building
repair of outside of the chimney (hydrodynamic cleaning, repair and protection reinforced steel, reprofilation and protection of the concrete surface).
Contracting authority: KJKP Toplane Sarajevo, Bosnia and Herzegovina, 2018.
Repair of chimney H=202m in Heating company TE-TO Zagreb:
demolition of an old acid-resistant brick on the inside, along with thermal insulation (dust brick)
repair of reinforced concrete surface inside of chimney (sandblasting, repair of reinforced steel, reparation with mortar, protection of concrete surface with coatings)
supply and installation of a new seal of acid-resistant brick (550 tons)
supply and installation of new mineral wool insulation
disassembling old, make and installing new acid-resistant chimney cap.
Contracting authority: Electric power industry of Croatia, city heating company TE-TO Zagreb, Croatia.
Repair of chimney H=310m in Power plant Ugljevik:
Repair of reinforced concrete shell from +80,00 to +150,00:
repair, sandblasting and protection of reinforced steel
repair of concrete with repair mortars
protection of concrete shell with acid resistant coatings.
Repair of steel constructions on chimney:
disassembling complete platforms and ladders from chimney and transport to the ground
sandblasting and anti corrosive protection
reassembly of the steel construction.
Contracting authority: Rudis d.o.o. Trbovlje for Power plant Ugljevik, Bosnia and Herzegovina, 2016.
Anti-corrosive protection 2 pieces of steel chimneys H=60m in Heating company EL-TO Zagreb:
sand blasting complete surface of shell, platforms and ladders
protection of surface with high temperature resistant coatings.
Contracting authority: Electric power industry of Croatia, EL-TO Zagreb, Croatia, 2016.
Repair of chimney H=200m in EL-TO Zagreb:
repair of top of the chimney built of brick- injection of cranks, strengthening with screens made of carbon fiber, protection from flue gases
repair of reinforced concrete stack and protection of surface signal red-white coatings
dismantling, anti-corrosive protection and mounting existing circular platforms and ladders
repair of obstruction lights installation.
Contracting authority: HEP Prozvodnja d.o.o., Unit EL-TO Zagreb, Croatia, 2015, 2017.
Repair of steel construction and warning aircraft installation (signal lights) on reinforced concrete chimneys in factory Arcelor Mittal Zenica:
AM Zenica Aglomeracija: Repair two chimneys H=150m. On first chimney replacement (dismantling of old and mounting new steel construction of circular platforms and ladders), on second chimney dismantling, anti-corrosive protection and mounting of existing steel construction.
Replacement complete signal lights installation on both chimneys:
AM Zenica Energetika: Dismantling of old, purchase and installation new signal lights
AM Zenica Koksara: Partial replacement existing aircraft signal lights.
Contracting authority: Steel industry Arcelor Mittal Zenica, Bosnia and Herzegovina, 2015
Rehabilitation of reinforced concrete chimney h=300m from inside and outside.Repair and protection of acid-resistant brick-walls. Repair and protection top of the chimney and reinforced concrete shell with signal red-white colors (epoxy+ polyurethane). Anti-corrosive protection of steel construction ladders and platforms on chimney. Contracting authority: Public enterprise Elektroprivreda BiH, Thermal power plant Kakanj, Bosnia and Herzegovina, 2014-2015.
Repair and replacement acid resistant brick i thermal insulation on reinforced concrete chimney H=250m in an amount of 250 tons – Contracting authority: Power plant ”Bitola” Bitola, Macedonia, 2014.
Anti-corrosive protection of steel construction ladders and platforms on chimney ”Blast furnace” H=60m. Repair of warning aircraft installation on chimney – Contracting authority: Steel industry Arcelor Mittal Zenica, Bosnia and Herzegovina, 2014.
Reconstruction and repair of reinforced concrete chimney H=100m. Strengthening of chimney, enlargement openings of flue gas channels, repair of acid resistant brick and reinforced concrete shell, making of new night aircraft warning installation – Contracting authority: Public enterprise ”Elektroprivreda BiH”, Power plant Kakanj, Bosnia and Herzegovina, 2014.
Sanacija armirano-betonskog dimnjaka bloka 4, H=100m, objekta pumpne stanice, reaktora i silosa – Naručilac: Elektroprivreda FbiH, Termoelektrana Tuzla, BiH, 2013.
Repair and protection reinforced concrete chimney of unit 4, H=100m, object of pump station, object of technical preparation of water, silo – Contracting authority: Public enterprise ”Elektroprivreda BiH”, Power plant Tuzla, Bosnia and Herzegovina, 2013.
Rehabilitation of reinforced concrete chimney h=165m from inside and outside. Replacement of light signal instalation and lightening rod, replacement of acid resistant brick lining (200 tons), repair of ladders and steel circular platforms on chimney – Contracting authority: Public enterprise ”Elektroprivreda BiH”, Power plant Tuzla, Bosnia and Herzegovina, 2012.
Rehabilitation of masonry chimney h = 65m. Rehabilitation of top of the chimney, making of new steel structure (circular platforms and climbing), lighting and lightning arresters, replacing of steel rings and complete steel construction anticorrosion protected with hot galvanizing – Contracting authority: ”HEP Toplinarstvo” Osijek, Croatia, 2012.
Repair and protection of reinforced concrete shell chimney h = 250m. Rehabilitation of cracks, rehabilitation of masonry and aircraft warning lights, protection with coatings of reinforced concrete chimney shell – Contracting authority: Power plant ”Bitola” Bitola, Macedonia, 2010.
Rehabilitation and strengthening of reinforced concrete chimney h=180m. Repair of the chimney top, replacement of damaged acid brick masonry, repair of cracks, static strengthening of reinforced concrete shell of the chimney with screens made of carbon fiber, protection of reinforced concrete of chimney shell with the red and white coatings – Contracting authority: Power plant ”Oslomej” Kicevo, Macedonia, 2009.
Rehabilitation of reinforced concrete chimney h = 95m. Repair and protection steel structures and climbing back protection on the chimney, repair and protection reinforced concrete the chimney shell, painting top of the chimney signaling red and white coatings – Contracting authority: Oil rafinery ”Brod”, Bosnia and Herzegovina, 2009.