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Conditions or Reasons for Planning Application - CB/24/03541/DOC
Conditions or Reasons:
16) No development shall commence until the final detailed design and calculations for the 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 urban creep), been submitted to and approved in writing by the Local Planning Authority. This is to include details of the proposed arrangements for management and maintenance of the system and construction plan for the drainage system. The final detailed design shall be based on the agreed drainage Strategy (Ref: 21-141 10B) and DEFRAs Non-statutory technical standards for sustainable drainage systems (March 2018) and shall be implemented in full and maintained as approved. An exceedance plan it to be provided demonstrating flooded areas for the 1 in 100 year storm when system is at capacity, demonstrating flow paths and exceedance management providing mitigation to new and existing property. Maintenance will ensure the system functions as designed for the lifetime of the development. Any variation to the connections and controls indicated on the approved drawing which may be necessary at the time of construction would require the resubmission of those details to the Local Planning Authority for approval prior to their construction.

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 CBC Local policy CC3 to CC5 and NPPF Paras 159 to 169 Inclusive of foot notes 54 to 56 and its supporting technical guidance.


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