The EVAP-D project at Sellafield is the largest nuclear energy project in the UK. It involves the construction of a new Highly Active Liquor Evaporator, which is being built in modules and transported to the site by sea. The project site requires a whole range of robust equipment housings to accommodate essential switchgear, transformer, generator and control systems for the various contractors working on site.


Portastor supplied a total of nine different equipment housings to the various participants working on EVAP-D. These include five switchgear and transformer housings for Costain, including double and single module buildings; a long-life stainless steel twin room control building for Bilfinger and another stainless steel control room for Hima Sella. A stainless steel generator housing with top-box was supplied for FG Wilson, along with a mild-steel compressor housing for Ingersall Rand.
All buildings were installed safely and efficiently on the Sellafield site, following strict nuclear industry protocols. The fact that all buildings were fully equipped, fitted out and tested off site at the Portastor factory meant that on-site operations were kept to a minimum, allowing other project works to continue uninterrupted during the manufacture and fit out of the equipment housings.

01 Sellafield – Cumbria

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02 Western Power Distribution / Schneider Electric

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03 Irish Electricity Supply Board (ESB) – Eire

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04 National Grid

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