Potassium Acetate Crystals for Gritting
Salt grit has been replaced with potassium acetate crystals on the deck. This is distributed using a hopper towed by an electric van (powered with 100% renewable energy).
To enable this, council gritters stop spreading when they reach the bridge. The contractor uses MetDesk to receive their own weather alerts to know when they need to apply the crystals.
Potassium acetate liquid is also sprayed on the footway and steps using a handheld electric spray. This completely removes the need for salt gritting during cold spells.
Potassium acetate is much less corrosive than salt, meaning it causes less damage to the structure of the bridge, and should therefore reduce maintenance activity. This is beneficial in terms of cost and work.
It is also considered to be longer-lasting, so improving safety and saving money because of the reduced application of the product. As it is biodegradable, potassium acetate is less harmful to the environment, which is important for structures such as this which cross a tidal river.
Footer Reference
Monitor Report. F M Conway Ltd. Kent. October 2024.
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Jack Endean
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