41. In this part of this Schedule—
“the Agency” means the Environment Agency;
“construction” includes execution, placing, altering, replacing, relaying and removal and excavation and “construct” and “constructed” must be construed accordingly;
“Cove Brook Flood Storage Area” means trenchless crossing TC014a as shown on sheet 34 of the General Arrangement Plans;
“drainage work” means any main river and includes any land which provides or is expected to provide flood storage capacity for any main river and any bank, wall, embankment or other structure, or any appliance, constructed or used for land drainage, flood defence or tidal monitoring;
“the fishery” means any waters containing fish and fish in, or migrating to or from, such waters and the spawn, spawning ground, habitat or food of such fish;
“main river” means all watercourses shown as such on the statutory main river maps held by the Agency and the Department for Environment Food and Rural Affairs including any structure or appliance for controlling or regulating the flow of water in or out of the channel;
“plans” includes sections, drawings, specifications, calculations and method statements;
“specified work” means the conduct of any construction or maintenance activity authorised by this Order as is in, on, under, over or within 8 metres of a main river or the Cove Brook Flood Storage Area and 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;
affect the conservation, distribution or use of water resources; or
affect the conservation value of the main river and habitats in its immediate vicinity;
“watercourse” includes all rivers, streams, ditches, drains, cuts, culverts, dykes, sluices, river basins, sewers and passages through which water flows except a public sewer.