Effective Protective Coatings for OHL Towers
National Grid Electricity System Operator
National Grid TO Innovation Team
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Innovation Funding Incentive
Gas Transmission Networks
Impending European legislation may restrict further the use of high Volatile Organic Compound (VOC) paints
for any industrial use. The only approved NG tower paint product falls
into this category. Maintenance policy requires the painting of approximately
1200 towers per year.
Predicated ongoing spend on tower painting is £6.85 million per year, hence
requirements have been identified for continued research to test and evaluate
the performance of alternative paint products to ensure the company is prepared
for any changes to legislation.
A number of tests have been carried out by EA Technology on behalf of a group
of ESI companies. This includes the evaluation of a number of new products and
special purpose paint systems.
Inspections of trial towers painted with a newly developed environmentally
friendly water based system have also been carried out. NG has
requested the opportunity to participate in the final stages of the testing.
Participation will ensure access to all test results to date and the final report