(b) any damage, or any interruption, caused by electro-magnetic interference arising from the  construction or use of the authorised development.  (a) must not be unreasonably withheld or delayed;  (b) is deemed to have been refused if it is neither given nor refused within 2 months of the  submission of the plans or receipt of further particulars if such particulars have been  requested by the Agency for approval; and  (c) may be given subject to such reasonable requirements as the Agency may have for the  protection of any drainage work or the fishery or for the protection of water resources, or  for the prevention of flooding or pollution or in the discharge of its environmental and  recreational duties.  130 (4) The Agency must use its reasonable endeavours to respond to the submission of any plans  before the expiration of the period mentioned in sub-paragraph (3)(b).  (5) Without limiting sub-paragraph (3), the requirements which the Agency may have under that  paragraph include conditions requiring the undertaker, at its own expense, to construct such  (3) Any approval of the Agency required under this paragraph—  (2) Any such specified work must not be constructed except in accordance with such plans as  may be approved in writing by the Agency or determined under paragraph 30.  19. —(1) Before beginning to construct any specified work, the undertaker must submit to the  Agency plans of the specified work and such further particulars available to it as the Agency may  within 28 days of the receipt of the plans reasonably request.  “watercourse” includes all rivers, streams, ditches, drains, cuts, culverts, dykes, sluices,  basins, sewers and passages through which water flows except a public sewer.  “specified work” means so much of any work or operation authorised by this Order as is in,  on, under, over or within 8 metres of a drainage work or is otherwise likely to—  “plans” includes sections, drawings, sediment risk analysis, specifications, calculations and  method statements;  “the fishery” means Lake Lothing;  “drainage work” includes any land which provides or is expected to provide flood storage  capacity for Lake Lothing and any bank, wall, embankment or other structure, or any  appliance constructed or used for land drainage, flood defence or tidal monitoring;  “construction” includes execution, placing, altering, replacing, relaying, removal and  excavation and “construct” and “constructed” have corresponding meanings;  “completion” in relation to a specified work means the date on which it is brought into use;  “the Agency” means the Environment Agency;  18.  In this Part of this Schedule—  17.  The following provisions of this Part of this Schedule apply for the protection of the Agency  unless otherwise agreed in writing between the Environment Agency and the undertaker.  PART 3 FOR THE PROTECTION OF THE ENVIRONMENT AGENCY  (a) affect any drainage work or the volumetric rate of flow of water in or flowing to or from  any drainage work;  (b) affect the flow, purity or quality of water in Lake Lothing and any other watercourse or  other surface waters or ground water;  (c) cause obstruction to the free passage of fish or damage to the fishery;  (d) affect the conservation, distribution or use of water resources; or  (e) affect the conservation value of Lake Lothing and habitats in its immediate vicinity; and 