In this part of this schedule—

• “alternative apparatus” means any temporary or permanent alternative apparatus adequate to enable Northumbrian Water to fulfil its statutory function in a manner no less efficient than previously;

• “apparatus” means the following items within the Order limits (except where paragraph 47(7) applies)—

  1. a

     in the case of Northumbrian Water’s water undertaking—

     1. i

        mains, pipes, wells, boreholes, tanks, service reservoirs, pumping stations or other apparatus, structure, tunnel, shaft or treatment works or accessories (as defined in section 219(1) (general interpretation) of the Water Industry Act 1991) belonging to or maintained or used by Northumbrian Water for the purposes of water supply; and

     2. ii

        any water mains or service pipes which are the subject of a notice of intention to adopt under section 51A94 (agreements to adopt water main or service pipe at future date) of the Water Industry Act 1991; and

  2. b

     in the case of Northumbrian Water’s sewerage undertaking—

     1. i

        any sewer, drain or disposal works vested in Northumbrian Water under the Water Industry Act 1991;

     2. ii

        any sewer, drain or disposal works which is so vested or is the subject of a notice of intention to adopt given under section 102(4) (adoption of sewers and disposal works) of that Act or an agreement to adopt made under section 104 (agreements to adopt sewer, drain or sewage disposal works, at future date) of that Act,

     and includes a sludge main, disposal main (within the meaning of section 219 (general interpretation) of that Act) or sewer outfall and any manholes, ventilating shafts, pumps or other accessories (as defined in section 219(1) of the Water Industry Act 1991) forming part of any such sewer, drain or works, and any structure in which apparatus is or is to be lodged or which gives or will give access to apparatus;

• “emergency” means a situation which—

  1. a

     is unexpected, in that there is little or no prior warning, or aspects of the event could not have reasonably been predicted in advance;

  2. b

     is a serious event presenting a risk of harm or damage to people, property or the environment; and

  3. c

     requires a need for urgent action, in that immediate action is required to address the risk of harm, repair or prevent a worsening of the situation;

• “functions” includes powers and duties;

• “in”, in a context referring to apparatus or alternative apparatus in land, includes a reference to apparatus or alternative apparatus under, over or upon land;

• “Northumbrian Water” means Northumbrian Water Limited, a company incorporated and registered in England and Wales with registered company number 02366703 whose registered office is at Northumbria House, Abbey Road, Pity Me, Durham DH1 5FJ;

• “plan” includes all designs, drawings, specifications, method statements, soil reports, programmes, calculations, risk assessments and other documents that are reasonably necessary properly and sufficiently to describe the works to be executed.