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North Bristol Sewer Scheme – Trym Catchment & Frome Valley

North Bristol Sewer - Trym tunnel

North Bristol Sewer - Frome Valley

North Bristol Sewer - Trym tunnel - This is a measure required by Ofwat in the final determination to ensure timely delivery of the Trym tunnel.

If we miss the initial milestones due in 2017-18 we refund customers £0.97m per year. There is a more severe underperformance payment associated with not undertaking the scheme of £14.1m - there is no risk of incurring this as the scheme is underway.

In 2017/18 we have reached the initial milestone by demonstrating, in line with our delivery plan, that the design, consultation and construction of the Trym scheme has been progressed. This has been independently assured by the auditors, Mott MacDonalds.

North Bristol Sewer - Frome Valley - This is a measure required by Ofwat in the final determination to ensure timely delivery of the Frome Valley relief sewer.

If the delivery is delayed beyond 2019-20 we will refund customers £1.86m per year. There is a more severe underperformance payment associated with not undertaking the scheme of £24.9m - there is no risk of incurring this as the scheme is underway.

There is no target in 2017-18, the programme is delivering as planned and we anticipate meeting the target a year earlier in 2018/19.