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HSS Module Installation – Coal Boiler Modernization at Sappi Gratkorn

One of the next challenges our company faced was designing a system for both horizontal and vertical transport of 8 superheater bundles—each weighing 10 tons—to replace the old filter. To accomplish this task, the pressure components were first moved along a purpose-built rail system using electric wire hoists. In the next stage, they were lifted vertically with chain hoists and then transported to their final position via an overhead rail system installed above them. W this phase of the project, our engineers had to operate within an extremely confined space, which limited the application of some of our standard technological solutions.

Scope of Work

  • Component weight: 10 tons,
  • Number of components: 9,
  • Lifting height: 15 m,
  • Design of the installation concept,
  • Design of temporary structures,
  • Supply of mechanical and hydraulic technologies for horizontal and vertical transport,
  • Comprehensive horizontal and vertical transport services.

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