Paragraph 25 Surface and foul water drainageI1

Neither the connection works nor the transmission works shall commence until in relation to the relevant works written details of the surface and (if any) foul water drainage system (including means of pollution control) have, after consultation with the relevant sewerage and drainage authorities, been submitted to and approved by the relevant planning authority.

The surface and foul water drainage system must be constructed in accordance with the approved details unless agreed otherwise by the relevant planning authority.