1(1)For the purposes of, in connection with or in consequence of the works authorised by section 1 of this Act the Development Corporation may, within the limits of deviation or elsewhere within the inland bay—
(a)make temporary junctions or communications (for use by pedestrians or other traffic) between a work and any existing street and divert, widen or alter the line or level of any existing street,
(b)remove, alter or divert any sewers, drains or other watercourses,
(c)alter any mains, pipes, wires or other works or apparatus for conveying or transmitting water, gas, electricity or petroleum (as defined in the [1928 c. 32.] Petroleum (Consolidation) Act 1928) or for telecommunication,
(d)execute any works for the protection or improvement of any adjoining land or buildings,
(e)execute any works or do any other thing necessary for strengthening or supporting walls of adjoining buildings,
(f)raise, sink or otherwise alter the levels of any land,
(g)reclaim any land or (in the inland bay) create islands,
(h)dispose of spoil or other material excavated in the execution of the works, or
(i)alter any steps, walls, gateways, railings or pavements.
(2)The Development Corporation shall not—
(a)interrupt the flow in any sewer, drain or other watercourse under paragraph (b) of sub-paragraph (1) above, or
(b)interrupt any water supply by means of any mains, pipes or other works or apparatus under paragraph (c) of that sub-paragraph,
unless they have provided a suitable alternative.
(3)For the purposes of, in connection with or in consequence of the works authorised by section 1 of this Act the Development Corporation may—
(a)with the agreement of the owners and occupiers of any land abutting on land within the limits of deviation or elsewhere within the inland bay, exercise the powers conferred by sub-paragraph (1)(d) and (e) above on that abutting land, and
(b)accordingly carry out any works for providing or facilitating access to or from such land, or for preserving its amenities, in connection with the exercise of those powers on it.