7.—(1) Subject to the provisions of this Order the Commissioners may from time to time erect, construct, operate and maintain and repair whether temporarily or permanently, all such works and conveniences as in the opinion of the Commissioners may be requisite or expedient for the purposes of or in connection with the construction, maintenance and use of the works including any additional quay or quays slipway or slipways and works for the landing, handling, buying, selling, preserving, processing, preparing for market or dealing in fish or the provision of facilities and buildings for the mending, storing, laying out or drying of nets or facilities for the benefit of fishermen using the harbour: but no such permanent works or conveniences shall be erected or constructed outside the limits of deviation.
(2) On the completion of the works the Commissioners shall remove all temporary works placed by them under the powers of this article on, under or over land below the level of high water.