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Coleshill Sewage Treatment Works (STW)

Ensuring better performance in the plant to serve the community

  • Coleshill, Warwickshire

    Coleshill, Warwickshire

Making upgrades to the Coleshill STW to better serve the community

Coleshill STW Phase two consisted of building of a new inlet works to provide accurate control of flow to preliminary and full treatment, satisfactory screening capacity, accurate inlet works flow measurement, and satisfactory grit removal.

This scheme involved the building of a new SAS Plant with gravity belt thickeners, poly dosing, and SAS storage tank. Work was also carried out as part of the Severn Trent asset renewal program. A replacement ASP diffused air system and anoxic mixers and baffles on ten lanes was provided. Our team replaced FST diffuser drums and scraper rubbers, helped renew the RAS pumps and control system, and modified the storm control facilities to allow automated storm control.

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