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Greenkote bolts at the core, as Chernobyl New Safe Confinement shelter nears completion
Against this background, the Ukrainian government invited tenders for a new solution to prevent future radiation leakage as early as 1992, but it took a further 15 years before the design was agreed and the contract awarded to Novarka, a joint venture between Vinci Grand Projects and Bouygues Travaux Publics. Steel for the new structure is being fabricated in Italy by Cimolai with 750,000 Greenkote® Tension Control Bolts needed to hold the structure together being installed by steel erection teams from all over Europe.
Greenkote® has licensed its coating process to Tension Control Bolts Limited, a designer, manufacturer and worldwide distributor of the most efficient High Strength Friction Grip and Pre-loaded bolting system. TCBs, as they are commonly known, are replacing conventional high strength friction grip bolts and swaged collar rivets simply because they are quick and easy to install and offer guaranteed tension which, together with visual inspection, removes the likelihood of operator error and ensures that connections are tightened in accordance with specifications. Nowhere is this more important than in the construction of the New Safe Confinement shelter (NSC), where speed of assembly is also an important factor, to minimise workers’ exposure to radiation dangers. Greenkote’
Protecting the local and wider population from further radiation leaks is a top priority for the Ukrainian government, with the impact of the 1986 accident still being felt today amongst the local population. Large tracts of land are still heavily polluted and remain dangerous, following the accident.
Now, however, with the new shelter nearing completion, designers are expecting the structure to last for at least 100 years, by when it is hoped the technology of cleaning up after a nuclear disaster will have advanced significantly.
For details of Greenkote processes and licensing enquiries, please visit www.greenkote.com
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Greenkote provides protective metal coatings to mitigate corrosion that are high-performing, cost-effective and delivered using one of the greenest processes in the coatings industry.
The Greenkote process offers a number of critical advantages, depending upon the application. Using no acids, important issues such as hydrogen embrittlement are avoided, whilst the process offers high corrosion resistance, excellent paint adhesion and exceptional levels of coating consistency. When coating threads, neither internal nor external surfaces need to be reworked.
The green and clean Greenkote process minimises regulatory costs and issues, since the elimination of hazardous waste eliminates the expenses of high water consumption, waste clean-up, disposal and reporting.
Founded in 1999, Greenkote PLC was registered in the UK as a public limited company in 2005. After acquiring one of the largest custom coating companies in North America, Greenkote expanded its market presence and business infrastructure to the United States and Mexico.
Now headquartered in Brook Park, Ohio, (near Cleveland) Greenkote PLC has become one of the industry’s most innovative coating technology companies. Greenkote develops proprietary metal alloy powders and process technologies which are used on its specialized equipment to coat finished metal parts. Greenkote has focused much of its attention on corrosion protection and has significant patents in that area. The company’s ongoing investment in research and development enables it to maintain its technological advantage and provide customers with increasingly efficient, cost-effective and environmentally sound solutions to their coating needs.
Greenkote provides its coatings through a global network of coating centres and licensees. Greenkote plants and licensees are located in North America, South America, Europe, the Middle East, Asia and Africa.
Greenkote is a member of the Surface Engineering Association