(1)The Corporation may on the land specified in Schedule 2 to this Act from time to time construct, maintain and remove such flood embankments and other works for the alleviation or prevention of flooding as it considers necessary or expedient.
(2)After the weir is in operation, the Corporation may from time to time take down and remove the whole or any part of Netham Dam in the city to provide a navigable channel of a width not less than 6 metres to such height as it thinks fit not exceeding 4ยท2 metres above Ordnance Datum (Newlyn).
(3)The Corporation may fill in and reclaim the banks of the river forming part of the lands numbered 98 and 102 on the deposited plans.
(4)For the avoidance of doubt the works authorised by subsection (1) above are for all purposes to be treated as drainage works in connection with a main river within section 165 (1) (a) or (b) of the [1991 c. 57.] Water Resources Act 1991 and shall be maintainable accordingly.
(5)Sub-paragraphs (1) and (2) of paragraph 5 of Schedule 21 to the Water Resources Act 1991 shall apply in relation to the exercise by the Corporation of its powers under this section as they apply in relation to the exercise by the rivers authority of any powers under subsections (1) to (3) of the said section 165.