Paragraph 13 Surface water drainageI1

None of the numbered works 1, 2, 3A, 5 or 6 may commence until a surface water drainage scheme for that numbered work has been submitted to, and after consultation with the Environment Agency, lead local flood authority and relevant internal drainage board, approved by the relevant planning authority.

Any surface water drainage scheme submitted and approved pursuant to sub-paragraph (1) must be substantially in accordance with the principles set out in the outline surface water drainage strategy.

Any scheme approved pursuant to sub-paragraph (1) must be implemented as approved and maintained throughout the construction and operation of numbered works 1, 2, 3A, 5 and 6.