Paragraph 9 Surface water drainageI1

No development of Work Nos. 1, 9, 20, 26, 36, 45, 48, 51, 53 and 55 may commence until, for that Work No, a surface water drainage plan for permanent works relevant to that stage, in accordance with the relevant part of the outline surface water drainage strategy has been submitted to and approved by the relevant planning authority or, where applicable, the Environment Agency and/or Natural Resources Wales and/or the Lead Local Flood Authority.

The surface water drainage system for each stage must be implemented in accordance with the approved details.

No discharge of water under article 20 (discharge of water) must be made until details of the location and rate of discharge have been submitted to the relevant planning authority or, where applicable, the Environment Agency and/or Natural Resources Wales and/or the Lead Local Flood Authority.