Paragraph 12 Surface water drainageI1

No part of the authorised development is to commence until written details of the surface water drainage system for that part, in accordance with the mitigation measures in chapter 8 (road drainage and the water environment) of the environmental statement and including means of pollution control, have been submitted to and approved in writing by the relevant planning authority following consultation with the county planning authority, the strategic highway authority and the Environment Agency.

The drainage system must be constructed in accordance with the approved details referred to in sub-paragraph (1) unless otherwise agreed in writing by the relevant planning authority following consultation with the county planning authority, strategic highway authority and the Environment Agency.