4.—(1) A.B. Ports may, in the lines and situations shown on the deposited plans and according to the levels shown on the deposited sections, make and maintain the following works partly in the district of North East Lincolnshire and partly on the bed and foreshore of the river Humber—
Work No. 1
A piled finger pier angled inwards to the existing West Pier 180 metres in length between reference points E527923.943/N411742.945 and E528103.642/N411699.660 to provide vessel mooring points.
Work No. 2
A floating pontoon adjoining Work No. 1 secured by tubular piles between reference points E527889.840/N411786.888, E527919.005/N411779.862, E527899.672/N411699.598 and E527870.506/N411706.623.
Work No. 3
A new piled approach jetty and linkspan providing access to Work No. 2 and connecting to the existing West Pier at reference point E527840.350/N411618.560.
Work No. 4
A new access road provided in part along the line of the existing piled structure of West Pier, and in part along a new piled structure over or adjacent to the eastern elevation of the existing breakwater structure within the Royal Dock basin. Work No 4 includes an alteration and reconstruction of the existing piled structure of West Pier.
(2) A.B. Ports may, within the limits of deviation, from time to time alter, enlarge, replace, relay, extend or reconstruct temporarily or permanently the works.
(3) The works shall for all purposes form part of the undertaking.