Provision of chemical coating to 5 new concrete bunds
Client
Costain plc / Thames Water Authority
Project Details
The application of a suitable coating to concrete bunds for new chemical storage tanks containing high concentrate phosphoric acid.
Product Selection
Due to high levels of acid concentration, the product proposed by BCL and accepted by ThamesWater was the Belzona 4341 Inorganic Acid Coating. This product was designed for such difficult applications. The Belzona 4411 Magma Build was applied around the base plates and support framework within the bund to form suitable fillets over bolt heads and sharp angles, for example. The new concrete was prepared using closed-circuit vacuum blast methods to remove surface laitance.
Interesting Facts
As this was the first large application using this new product, techniques were developed by BCL, in association with Belzona R & D department, to improve the application methods and techniques.
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