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Conditions or Reasons for Planning Application - CB/24/02406/DOC
Conditions or Reasons:
13) No development shall commence until a detailed surface water drainage scheme, to manage surface water runoff from the development for up to and including the 1 in 100-year event (+40%CC), and a maintenance and management plan for the scheme has been submitted to and approved in writing by the Local Planning Authority. The discharge rate from the development will be limited to the equivalent 1 in 1 year rate, or an appropriate rate as agreed by the Bedford Group of Internal Drainage Boards. If infiltration is proposed, on site infiltration testing in line with BRE365 will be required to inform this. The final detailed design shall be based on the agreed drainage Strategy (to be submitted) and DEFRAs Non-statutory technical standards for sustainable drainage systems (March 2018), and shall be implemented and maintained as approved. Maintenance will ensure the system functions as designed for the lifetime of the development. An as built drainage drawing should be submitted to the LPA as part of this condition.

Reason: To ensure the approved system will function to a satisfactory minimum standard of operation and maintenance and prevent the increased risk of flooding both on and off site, in accordance with para 163 and 165 of the NPPF and its supporting technical guidance.


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