4.—(1) Subject to the provisions of this Order, A.B. Ports may, in the lines and situations shown on the deposited plan and within the limits of deviation and according to the levels shown on the deposited sections, carry out and maintain the following works on the sea bed adjoining the East Pier in Troon Harbour:–
Work No. 1
A jetty head commencing by a connection with the East Pier at a point 300 metres from the north western end of that pier, extending 50 metres in a northerly direction and then 20 metres in a north westerly direction and terminating in an adjustable shore ramp running parallel to the East Pier for a distance of 40 metres supported at its landward end by the jetty head and at its seaward end by an associated supporting structure.
Work No. 2
A structure consisting of a row of dolphins and associated walkways running parallel to the East Pier for a distance of 110 metres in a north westerly direction from a commencement point 20 metres from the seaward end of the adjustable shore ramp comprised in Work No. 1, and connected to the East Pier by a walkway at a point 100 metres from the north western end of the East Pier.
Work No. 3
A piled protective structure adjoining the north western end of the East Pier on its seaward side and connected to that pier by a walk 15 metres in length.
(2) Subject to the provisions of this Order 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.