Yorkshire Water has gone out to tender with a contract for a range of specialist technical services to support service delivery in maintaining key operational activities worth an estimated £10 million.
The services will be selectively employed across the utility’s estate to support applications and processes for raw water, treated water, waste water, sewerage treatment and clean and sewer networks.
Yorkshire Water has multiple Activated Sludge Plants (ASPs) located throughout the region – the firm now intends to establish a framework for providing/upgrading diffuser systems at its ASPs, which are a key part of the waste water treatment process.
The ASPs range in size from small rural sites comprising of a handful of diffusers, to large scale sites treating some of the UK’s largest cities and industries, incorporating 600+ diffusers in each lane.
The incoming effluent is a mix of both domestic and industrial waste at varying strength. While the scope for each site will vary, the services will generally involve:
like for like replacement of existing systems, where only the diffusers and minimum pipework would be replaced; and
more substantive upgrades where the diffusers and below and above water level air pipework, valves and blower configuration may require replacement or alteration.
The services will support the AMP7 delivery period where there will be an expected requirement for around £10 million worth of installations or upgrades to diffuser systems. The current anticipated programme allows for the replacement/upgrade of 64 ASP lanes, equating to approximately 18,000 diffusers.
Yorkshire Water said the contract will be single source with the successful supplier being able to provide all the required services across the entire range of its assets.
Initial contract term is five years, with a further three year extension option.
Time limit for receipt of tenders or requests to participate is 31st July 2019 – click here to access the tender documentation.
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