(1) The Company may from time to time within the limits of deviation provide, construct, maintain and operate such dock facilities, together with works ancillary to those facilities, as may be necessary or convenient for the purposes of, or in connection with, the construction and maintenance of the works authorised by article 3 or the operation of the undertaking, and for this purpose the Company may construct, maintain and operate (whether temporarily or permanently) pumps, conduits, pipes, manifolds, hydrants, wires, drains, sewage and other treatment plants, mains, cables, substations, telecommunications equipment and other utilities plant, conveyors, cranes, lifts, hoists, container and other cargo handling and haulage equipment and stagings, rail mounted gantries, rubber tyred gantries, vessel power supply facilities, weighbridges, stairs, ladders, stagings, quays, berths, jetties, piers, approaches, catwalks, platforms, pontoons and gangways, buildings, sheds, silos, tanks, offices, workshops, depots, vehicle parking, holding and loading areas, roads and road improvements, road and rail crossings, service, outfall and culvert crossings, pavements, bridges, ramps, culverts, railway tracks, sidings, signals, security barriers, foundations, walls, bunds, fences, gates, paving and surfacing, equipment, machinery, appliances, dredged material washing, grading and weighing facilities, lights and lighting columns, signage, radio masts, CCTV cameras and masts, security installations, navigation signals, marks and lights, and such other port, harbour, dock, wharf or terminal facilities and conveniences as may be necessary or expedient.
(2) Without prejudice to paragraph (1), the Company may within the limits of deviation provide, construct, maintain and use such other works as may be necessary or convenient for the purposes of, or in connection with or in consequence of, the construction, maintenance and use of the works, including—
(a) within the limits of deviation for Works Nos. 1, 2 and 3 works for the accommodation or convenience of vessels (including but not limited to berthing heads, mooring posts, ladders, buoys, bollards, dolphins, fenders, rubbing strips and fender panels, fender units and pontoons);
(b) works to alter the position of apparatus, including mains, sewers, drains, pipes, pipelines, conduits, cables, electrical substations and electrical lines; and
(c) landscaping, habitat creation and other works to mitigate any adverse effect of the construction, maintenance and operation of the works or to benefit or protect any person or premises affected by the construction, maintenance and operation of the works.
(3) For the purpose of, or in connection with, the construction, maintenance and use of the works the Company may—
(a) carry out, within the limits of construction activity and the limits of deviation for dredging and within the areas within which the dredging works authorised by article 5 (power to dredge the Severn Estuary) are authorised to be carried out, such construction activity as may be necessary or expedient, including the temporary placing of materials, plant and equipment and the construction of temporary bunds, accesses, jetties, lighting and pipelines within those areas and the water adjoining those areas;
(b) within the limits of construction activity alter and refurbish the Graving Dock to create pre-casting facilities and facilities for the manufacture of caissons (including the temporary installation and use of hoists, crawler cranes and tower cranes) and construct, maintain and operate temporary construction compounds with concrete batching and aggregate plants, workshops, offices, laboratories and stores, laydown areas, temporary stockpiles and areas for storage of construction materials, plant and equipment, sites for the stationing of caravans for use for the temporary residential accommodation of construction workers and temporary offices, welfare facilities, waste and recycling facilities, foul drainage and sewage treatment facilities and other utilities plant and equipment and vehicle parking;
(c) within the limits of construction activity dismantle, demolish and remove existing oil, kerosene, spirit, molasses, derv and other associated pipelines and construct and install new pipelines in replacement together with all associated manifolds and other equipment, stanchions, supports, bunds and pipebridges; and
(d) within the limits of deviation for dredging and within the areas within which the dredging works authorised by article 5 are authorised to be carried out and within the water adjoining those areas, construct, maintain and use temporary pipelines (including pontoons and booster pumps) on, under or over the surface of the River Severn for the purpose of conveying dredged material from the site of the dredging works authorised by article 5 to the site of Works Nos. 1 to 6 .
(4) The Company may from time to time in connection with the construction, maintenance and use of the works abstract, impound and use water from the River Severn, the River Avon and the sea and may discharge surface water into the River Severn and the River Avon, but nothing in this Order authorises the entry into controlled waters of any matters whose entry or discharge into controlled waters is prohibited by section 85 of the Water Resources Act 1991 .
(5) The powers conferred by this article are subject to the restrictions set out in Schedule 2 (restrictions on works).