Subject to the provisions of this Act, the Corporation may, in the lines or situations shown on the deposited plans and according to the levels shown on the deposited sections, make and maintain the works in the London boroughs of Merton, Sutton, Croydon and Bromley specified in Part I of Schedule 1 to this Act, with all necessary works and conveniences connected therewith.

Notwithstanding anything in this Act or shown on the deposited plans or the deposited sections but without prejudice to the provisions of section 13 (Power to deviate) of this Act, the Corporation may, with the consent of the owners, lessees and occupiers of the lands affected, construct the whole or part of Works Nos. 10 and 11 and so much of Work No. 7 as lies within the London borough of Bromley in lines or situations and in accordance with levels, dimensions and descriptions other than the lines or situations, levels, dimensions and descriptions shown on the deposited plans and the deposited sections or specified in Part I of Schedule 1 to this Act.