{"entry-date":"2025-06-21","start-date":"","end-date":"","entity":73003252,"name":"Drainage - Pre commencement","dataset":"planning-condition","typology":"policy","reference":"U0130771","prefix":"planning-condition","organisation-entity":109,"geometry":"","point":"","quality":"authoritative","notes":"Unique Condition","reason":"To secure suitable foul and surface water drainage systems for the development in accordance with Policy 56 of the Local Plan. The details are required to be discharged prior to the commencement of development to ensure that the site layout is agreed before works commence.","description":"No development shall take place until a drainage strategy for the site has been submitted to and approved by the Local Planning Authority. The system shall be designed such that no additional or increased rate of flow of surface water will drain to any water body or adjacent land and that there is capacity in the installed drainage system to contain below ground level the run-off from a 1 in 100 year rainfall event plus 40% on stored volumes as an allowance for climate change as set out in National Planning Practice Guidance. The drainage strategy shall include details of the drainage management and maintenance plan for the site. The drainage system for foul and surface water drainage shall be installed, retained, managed and maintained for the lifetime of the development in accordance with the approved details and the management and maintenance plan."}