Power to construct works

3.—(1) Subject to the provisions of this Order, the Council may in the city and in the situations and lines and within the limits of deviation and according to the levels shown on the deposited plans and sections construct and maintain the works hereafter described, together with all necessary and proper works and conveniences connected with or incidental thereto, that is to say—

(2) The Council may within the limits of deviation alter, replace, relay or reconstruct the works.