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Infrastructure Delivery Plan (Feb 2013) - Runnymede Borough Council

Infrastructure Delivery Plan (Feb 2013) - Runnymede Borough Council

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Costs and funding sources<br />

8.35 The cost of improvements to Chertsey Sewage Works will be met by Thames Water.<br />

Funding<br />

ID<br />

IDPF064<br />

Risk Assessment<br />

Description<br />

Improvements to Chertsey Sewage<br />

Works<br />

8.36 The main risks to this infrastructure are considered to be:<br />

Estimated<br />

Cost<br />

£9million<br />

Key<br />

Provider(s)<br />

Thames<br />

Water<br />

• the waste water not being treated properly resulting in the spread of disease<br />

in the <strong>Borough</strong>. There is however considered to be a low risk of this scenario<br />

occurring given that Thames Water have their own procedures in place to<br />

limit potential for such an event occurring.<br />

• improvements to the Sewage Works in the <strong>Borough</strong> and beyond to come<br />

forward in time to meet growth.<br />

Risk ID Description Probability Severity<br />

IDPR023 Failure to properly treat sewage Low High<br />

IDPR024<br />

Failure to improvement the existing<br />

sewage treatment facilities in time to Unknown High<br />

meet growth<br />

Conclusion<br />

8.37 It is not known whether the capacity of Chertsey Sewage Works will meet the growth of<br />

the <strong>Borough</strong> and the surrounding area over the plan period. Thames Water has<br />

however planned improvements to these works during the plan period to help the<br />

system cope with the effects of climate change. It will be the responsibility of Thames<br />

Water to assess whether any further works are required during the plan period to meet<br />

levels of expected growth in the catchment area.<br />

Page | 95<br />

<strong>Runnymede</strong> IDP DRAFT – <strong>Feb</strong>ruary <strong>2013</strong>

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