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Design by eSterling
Project Value
£1.7m
Client Name
Amey
Project Type
Civil Engineering
Donnington Flood Alleviation
CPC Civils would undertake a flood alleviation project in Donnington, Telford.
The work we would undertake would seek to reduce or remove internal, external and extensive flooding. The flooding was significantly impacting properties and highway in the Winifred’s Drive Estate.
CPC Civils would identify the hydraulic incapacity causing the flooding.
Examination and assessment would reveal significant hydraulic overloading due to additional development in the catchment of the sewage. And also, the surface water and highway drainage systems connecting onto the upstream end of the existing systems.
There is a historic Mines Culverted Water Course (CWC) which flows through the estate. The CWC was reconstructed and piped during construction of the Winifred’s Drive Estate.
The surface water and highway systems discharge into the Mines Culverted Water Course.
There is a constant base flow from the capping of mine water, and the additional development has piped into and increased the peak storm flow rates into this system.
The solution was to provide a storm relief system in Winifred’s Drive and new connection to the SW box culvert which discharges to the Horton Channel.
Project benefits:
- Mitigate the risk of flooding to all DG5 affected customers for 1:40 year level of protection.
- The route is all highway or service roads, and so minimises direct impact on any customers.
- Likely to provide the best future proofing of all options considered, including low maintenance requirements.
