26.—(1) No tidal works comprised in the authorised development are to commence until a scheme of mitigation works for the flood risk area at Mumbles has been submitted to and approved in writing by the relevant local planning authority following consultation with Natural Resources Wales.
(2) Construction of Works No. 1a, 2a, and 2b must not commence until the approved scheme of mitigation works for the flood risk area at Mumbles, as referred to in sub-paragraph (1), has been completed.
(3) The approved scheme must be implemented as part of the authorised development.