# The London Underground (East London Line Extension) (No. 2) Order 2001, Paragraph 13

Extent: E+W+S

(1) For the protection of sewerage undertakers the following provisions shall, unless otherwise agreed in writing between the Company and the sewerage undertaker concerned, have effect.
(2) In this Part of this Schedule—
“construction” includes placing or altering; and “constructed” shall be construed accordingly;
“sewer” means a public sewer within the meaning of the Water Industry Act 1991 and includes a disposal main within the meaning of that Act not being (except in paragraph 18(1) below) a sewer in respect of which relations between the Company and the undertaker are regulated by the provisions of Part III of the 1991 Act;
“specified works” means so much of the works as will or may be situated over or within 15 metres measured in any direction of, or (wherever situated) impose any load directly upon, any sewer; and
“the undertaker” means the sewerage undertaker for the area of the works or whose sewers are affected.

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Source: https://www.legislation.gov.uk/uksi/2001/3682/schedule/10/paragraph/13 (the official version)
Page: https://openlegislation.uk/london-underground-east-london-line-extension-no-2-order-2001/schedule-10/paragraph-13
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.