Water Industry Act 1991

184 Power of certain undertakers to alter public sewers etc

(1) The NRA or the Civil Aviation Authority or any internal drainage board, dock undertakers, railway undertakers or airport operator may, after giving reasonable notice to the sewerage undertaker concerned, at their own expense and on substituting an equivalent, take up, divert or alter the level of any sewers, drains, culverts or other pipes which—

(a) are vested in the undertaker; and

(b) pass under or interfere with, or interfere with the alteration or improvement of, as the case may be—

(i) any watercourse or other works vested in or under the control of the NRA or that internal drainage board;

(ii) any property of the Civil Aviation Authority;

(iii) any river, canal towing path or works forming part of the undertaking of those dock undertakers;

(iv) the railway of the railway undertakers; or

(v) the airport in question.

(2) In subsection (1) above “an equivalent”, in relation to any sewers, drains, culverts or pipes means other sewers, drains, culverts or pipes which will be equally effectual and will entail no additional expense for the sewerage undertaker in question.

(3) Any difference of opinion which arises under this section between a sewerage undertaker and any person as to whether any sewers, drains, culverts or pipes substituted or proposed to be substituted for sewers, drains, culverts or pipes of that undertaker—

(a) are or will be equally effectual; or

(b) entail or will entail additional expense for the sewerage undertaker,

may, at the option of the party complaining, be referred to a single arbitrator appointed by agreement between the parties or, in default of agreement, by the President of the Institution of Civil Engineers.

(4) In this section—

• “airport operator” means the person who is the airport operator for the purposes of Part V of the [1986 c. 31.] Airports Act 1986 in relation to an airport to which that Part of that Act applies; and

• “dock undertakers” has the same meaning as in Chapter II of Part IV of this Act.