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Norfolk biomass plant

Name of fabricator: Caunton Engineering
Galvanized by: Joseph Ash Galvanizing
Architect and structural engineers: Ramboll
End client: The project was funded by two Scandinavian organisations, Burmeister & Wain Scandinavian Contractor (BWSC) and PensionDanmark
Finish provided: Hot dip galvanizing
Size and amount of steel: 1500 tonnes

Project goals
In 2017 a new energy plant opened in Norfolk, with an electrical capacity of 44.2MW and the ability to supply 82,000 homes with energy.

It was an interesting project as the energy is generated from burning organic matter. Local farmers also play a part as they supply (and make an income from) the 250,000 tonnes of straw and woodchip used to generate the energy.

Ramboll, Caunton Engineering and Joseph Ash Galvanizing were called in to help with the project.

What happened
Caunton Engineering fabricated steel for the following elements:

  • Stairs
  • Platforms
  • Two barns for straw
  • The roof of the woodchip barn
  • Crane beams
  • Boiler house
  • Turbine hall.

They engaged Joseph Ash Galvanizing to treat the steel with a hot dip galvanized coating to protect it from the elements for many years to come.

Gary Hatton of Caunton Engineering said that they chose Joseph Ash Galvanizing because of our ability to turnaround the high tonnages of a complex galvanized frame to programme in accordance with the required Quality Assurance.

Materials and size
Over 1500 tonnes of steel was fabricated and hot dip galvanized. It was a huge job as the steel beams for the turbine hall alone were 33m long and 8 tonnes in weight each.

The building is a large braced frame with cross bracing inserted between the main columns, which are spaced at 5.7m intervals.

Biomass energy in Norfolk NR13 3 is becoming an increasingly popular choice for providing an alternative fuel source to traditional gas and coal solutions. The need to try and steer our dependency away from fossil fuels towards a cleaner, more environmentally friendly source has never been more of a priority than it is now.  

Steven Hopkins, Managing Director at Joseph Ash Galvanizing said:

“This is exactly the sort of project that we like to be involved in, offering an opportunity for careful planning well in advance to ensure that the steel components are designed and fabricated to take into account the hot dip galvanizing process. This promotes the best possible quality of finish with minimum waste and less of an environmental impact. Demanding jobs like this bring out the best in us, in order to achieve total customer and end-user satisfaction. The experience gained then benefits our entire customer base.”

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