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Reference:
2025/2184
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Question by:
Zack Polanski
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Meeting date:
19 June 2025
Thank you for my answer to question 2025/1727, where you told me that a 31,260 m2 increase in impermeable area was delivered as part of delivering the Silvertown Road Tunnel. I believe this is a larger area draining to SUDs than from any other scheme I have heard of. Could you provide me with more information on these drainage systems including: (a) the areas of newly impermeable land that have been created, and (b) details on how the drainage at Silvertown handles road run off, given that at least part of it is draining into the Thames?