The River Mersey (Mersey Gateway Bridge) Order 2011

36.—(1) Subject to sub-paragraph (2), the undertaker shall, from the commencement of the construction of the specified works until their completion and except to the extent that any approval given by the Agency under this Part of this Schedule permits otherwise, maintain in good repair and condition and free from obstruction any drainage work which is situated within the limits of deviation and on land owned by the undertaker or which it otherwise has control of or is in occupation of for the purposes of or in connection with the specified works, whether or not the drainage work is constructed under the powers conferred by this Order or is already in existence.

(2) The obligation imposed on the undertaker under sub-paragraph (1) does not apply where the Agency or another person is liable to maintain any such work and is not precluded by the exercise of the powers conferred by this Order from doing so.

(3) If any such drainage work which the undertaker is liable to maintain is not maintained in good repair and free from obstruction, the Agency may by notice in writing require the undertaker to repair and restore the drainage work, or any part of it, or (if the undertaker so elects and the Agency in writing consents, such consent not to be unreasonably withheld), to remove the work and restore the site (including sea defences) to its former condition, to such extent and within such limits as the Agency reasonably requires.

(4) If, within a reasonable period being not less than 28 days beginning with the date on which a notice in respect of any work is served under sub-paragraph (3) on the undertaker, the undertaker has failed to begin taking steps to comply with the reasonable requirements of the notice and not subsequently made reasonably expeditious progress towards their completion, the Agency may carry out the measures specified in the notice and may recover any expenditure reasonably incurred by it in doing so from the undertaker.

(5) In the event of any dispute as to the reasonableness of any requirement of a notice served under sub-paragraph (3), the Agency shall not, except in a case of emergency, exercise the powers conferred by sub-paragraph (4) until the dispute has been finally determined.