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Flood events will worsen after work
Dear Editor,
Re: Beverley flooding comment attributed to EYC Cabinet Member and Highways and Emergency Planning portfolio holder Chris Matthews, quoted in Beverley Guardian (18 January)
“Beverley was affected by the floods in 2007. The flood alleviation works for Pasture Terrace will help reduce the risk of flooding in the town should a similar weather occurrence happen in the future.”
The Councillor informed us all, just before a planning inquiry is held, that the ‘underground tank’ and a new short version of a wider sewer “will help reduce the risk of flooding in the town”. The facts are the underground tank is to contain sewerage only, not storm flash floods.
The works will only protect Pasture Terrace from flooding, not the town, during its current 20-year interval, worsening major flood events. Flood volume measurements made in 2007 and prior events are such that if the ‘Westwood’ flash flood above this tank was drained into this ‘tank’, it would overflow in less than 10 minutes.
If a one-metre diameter sewer back-fills this sewerage tank from the town’s flooding sewers at a flow rate of two metres per second during a 20-year severe storm event, this ‘empty tank’ would overflow in less than nine minutes. Our 20-year event storms last three days.
If the works were to contain the surface flood beside the Terrace for a 12-hour flow only, the tank would have to be 154 metres long, 200 metres wide and two metres deep. In practice, the flood would just find a lower level via springs flowing through the ground, to surface flow as it does now, through the town’s housing estates.
Public officials have no right to issue misleading information which damages the effectiveness of the North Molescroft Action Group and conceals the fact that building more housing estates around Beverley will flood the town deeper and wider. The facts are, in the long term, jobs and profits are going to be created by flooding Beverley deeper and more frequently.
F Waslin
Beverley
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Weather for Beverley
Tuesday 22 May 2012
Today
Sunny
Temperature: 9 C to 15 C
Wind Speed: 14 mph
Wind direction: North
Tomorrow
Sunny spells
Temperature: 9 C to 15 C
Wind Speed: 14 mph
Wind direction: North
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