We lost the vote by a squeak – but we won all the arguments

The Oxford Mail has reported already. We’ll have a great deal more to say about what went on, but for the tonight the article speaks for itself.

http://www.oxfordmail.co.uk/news/15758143.Seacourt_Park_and_Ride_expansion_approved_by_Oxford_City_Council/#comments-anchor

This is far from over yet, this was only the first round, the fight continues unabated tomorrow.

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NO NEED! Meeting to decide the Seacourt application today

NO NEED!

Two other posters which will be on display tonight

 

Meeting to decide the Seacourt application tomorrow – our posters for display

We will display these posters (and others) at the meeting of the Oxford City Council West Area Planning Committee to decide the Seacourt park and ride extension planning application, which (as you may have gathered by now) we oppose. The meeting is tomorrow evening (12 December) in the Assembly Room at the Town Hall and is open to the public; if you oppose the application please do attend. The meeting starts at 6pm and this will be the first application to be considered.

 

 

Today’s parking data (9 Dec)

Weekends are quieter in the park and rides than are weekdays. Nevertheless we collected today’s data. Some was not available, as shown. So we visited Redbridge and Seacourt at peak times and there were plenty of empty spaces as the photos show.

Seacourt – Possible Costs

This seems a potentially costly proposal.

Capital 

1) Present budget £4.1 million

2) Difficulty of building in low-lying ground with a high groundwater level in winter

3) Possible need to stabilise unstable ground by treating it with lime to a metre depth

4) Difficulties of creating a working SuDS in a flood plain

Income

5) Occupancy likely to be low

6) Periodically out of use due to groundwater and fluvial flooding, pumping out, repair and maintenance

Maintenance

7) Pumping out (will be required according to the Applicant)

8) Repair of damage to surfaces and buildings – may be extensive after major floods

9) Cleaning and restoration of the porous surfaces required for SuDS

Other

Given the risks associated with large floods and the likely depths and flow rates here, possibly

  • compensation for damage to vehicles, including any swept away
  • compensation for loss of life.

Risk of local property flooding

From the Planning Officer’s report to the West Area Planning Committee, December 2017:

“9.149. During the consultation process, reference has been made to the suggestion within the Factual and Interpretive Ground Investigation Report that the proposed drainage strategy will require the use of lime stabilisation to avoid damage to the paving within the car park expansion from changes to the clay layer below ground and that this needs to be given further consideration as part of any drainage proposals for the site. The concerns raised are that lime treatment is likely to have an impact on the permeability of soils below the car park, and therefore needs to be appropriately considered. 

The applicant has confirmed that the surface water drainage strategy has been designed as a tanked system which assumes no infiltration below the attenuation layer, with all storm water discharge from the site via a controlled outfall into Seacourt Stream. An impermeable membrane is included within the construction to prevent water saturating the clay. The underlying clay is of a low permeability whether lime stabilisation is employed or not, and it is envisaged that the attenuation will operate effectively in either scenario.” [emphasis added]

There is no mention in the Application of tanking, nor of an impermeable membrane. We have therefore not known of this till very recently and had no opportunity to comment. While there is little or no detail, the idea that the car park may be separated from the underlying groundwater table, as this implies, raises an extremely serious question. That is, where will the displaced groundwater go? This is a lot of water over such a large area. It is likely that it will cause a significant rise in groundwater levels around this low-lying site. This could cause (new) groundwater flooding within houses (and gardens) nearby. No decision should be taken until the details of  what is planned are made clear, appropriate calculations and modelling done, and presented as part of a further revised Flood Risk Assessment.

[By the same token, when it rains, water will be trapped within the tanking , draining only slowly – more pumping needed?]

No need – car park occupancy today

Plenty of empty parking spaces again in and around Oxford today, now 16 shopping days to Christmas.

There is no need for any more spaces.

 

 

Seacourt: an Important Habitat

Thanks to the Oxfordshire Badger Group for this video, showing the importance of this habitat and what has recently been done to it by Oxford City Council – it is shocking and utterly wrong.

See more on the officially designated wildlife status of the site.