The contract is expected to be worth around ВЈ45m a year, but could rise to an annual spend of ВЈ105m, subject to regulatory demands covering private drains and sewers.
Contractors have until 30 October to express an interest in the framework, which will carry a five-year break clause.
The work package will includes managing planned and unplanned sewerage services within Severn Trent Waste Water.
The successful framework contractor will be expected to use no-dig techniques, sewer patch and re-line repairs to maintain sewers and rising mains.
The framework spend could rise in response to new private drains and sewers legislation.
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