VISCARIA RESTARTS ITS COPPER MINE with Jernbro as partner
As Viscaria prepares to reopen its copper mine outside Kiruna, extensive installations are required to pump out and treat the water that has filled the mine during its downtime. Jernbro is responsible for the piping and mechanical contracting in the new water treatment plant – a technically demanding assignment that is vital for the restart.
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CASES AND INSIGHTS
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Flexible execution within a critical shutdown windowCrossbridge Refinery in Fredericia carried out TA26, with Jernbro as contractor for a planned shutdown. The scope included work on 52 heat exchangers, 27 air coolers and 52 vessels, as well as replacement of selected components in the plant, while other contractors simultaneously carried out maintenance and modernisation projects. The shutdown lasted three weeks and was completed with 76 Jernbro personnel, divided between management and seven crews.Read more about the case
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The indispensable metal – and the partnership building the next phaseCopper is rarely seen. But without it, industry stops. Among other things, it carries electricity in our grids, powers machines in factories, and is a prerequisite for electrification. At the same time, supply is very limited – and demand is growing rapidly. It is in this context that Viscaria plays a crucial role.Read more about the case
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Noise reduction at more than 60 metres’ heightTo reduce noise from the chimney at the power plant in Kyndby, noise-reduction panels had to be installed inside the flue gas duct. The task included manufacturing special profiles and steel structures, followed by installation at more than 60 metres’ height on the boiler building, where access conditions and lifting required thorough planning.Read more about the case
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SSAB strengthens operational reliability of hot rolling millJernbro has, in collaboration with main contractor ABB, played a central role in SSAB’s modernization of its hot rolling mill in Borlänge. To future-proof availability, energy efficiency and stable operation, new drive equipment has been installed. This is an important investment for both the region and the green transition.Read more about the case
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Plant back in operationWhen energy must be produced, security of supply is essential – even when the boiler fails just before Christmas in Denmark. During periods of high load, there is no room for prolonged shutdowns, and a failure of key components can have a direct impact on both production and supply. This places demands on rapid mobilization, technical oversight, and safe execution from day one.Read more about the case
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Viscaria restarts its copper mine with Jernbro as partnerWhen mining company Viscaria set out to reopen its copper mine outside Kiruna, extensive installations were needed to pump out and purify the water that had filled the mine during its years of downtime. Jernbro was entrusted with responsibility for the piping and mechanical contracting in the new water treatment plant. The assignment is technically demanding and plays a crucial role in the future of mining operations in the region.Read more about the case