# The River Colne Barrier (Wivenhoe) Order 1991, Article 8: Power to deviate


(1) In the execution of the works, or any part thereof, the Rivers Authority may deviate from the lines or situations thereof shown on the deposited plans to any extent within the limits of deviation shown on those plans, and may deviate vertically from the levels shown on the deposited sections to any extent upwards or downwards:
Provided that notwithstanding anything in this Article the barrier shall be so constructed that–
(a) the width of the navigable opening is not less than 30 metres; and
(b) the cill of the navigable opening shall not be higher than 2.2 metres below Ordnance Datum (Newlyn).
(2) Nothing in paragraph (3) or paragraph (4) of the last foregoing Article shall authorise the Rivers Authority to execute any part of the works in contravention of the restrictions imposed by the proviso to the foregoing paragraph of this Article.

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Source: https://www.legislation.gov.uk/uksi/1991/1760/article/8 (the official version)
Page: https://openlegislation.uk/river-colne-barrier-wivenhoe-order-1991/article-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.