20. In this Part of this Schedule—
“access route” means an access route used by the Agency prior to the commencement of construction of a specified work for accessing a drainage work;
“the Agency” means the Environment Agency;
“construction” includes execution, placing, altering, replacing, relaying and removal and “construct” and “constructed” are to be construed accordingly;
“drainage work” means any watercourse forming part of a main river as defined in the Water Resources Act 1991 and includes any land which provides or is expected to provide flood storage capacity for any such watercourse and any bank, wall, embankment or other structure, or any appliance, constructed or used for land drainage or flood defence and any ancillary works constructed as a consequence of works carried out for drainage purposes;
“fishery” means any waters containing fish and fish in such waters and the spawn, habitat or food of such fish;
“maintenance” has the same meaning as in article 2(1) (interpretation);
“plans” includes sections, drawings, specifications and method statements;
“specified work” means so much of any work or operation authorised by this Order as is in, on, under, over or within 9 metres of a drainage work or is otherwise likely to—
affect any drainage work or the volumetric rate of flow of water in or flowing to or from any drainage work;
affect the flow, purity or quality of water in any watercourse or other surface waters or ground water;
cause obstruction to the free passage of fish or damage to any fishery; or
affect the conservation, distribution or use of water resources; and
“watercourse” includes all rivers, streams, ditches, drains, cuts, culverts, dykes, sluices, sewers and passages through which water flows except a public sewer.