Paragraph 17

If by reason of the construction of any specified work or by reason of the failure of that work or of the Authority to maintain it the efficiency of any drainage work for flood defence purposes is impaired or that work is damaged, such impairment or damage shall be made good by the Authority to the reasonable satisfaction of the Agency and, if the Authority fails to do so, the Agency may make good the same and recover form the Authority the expense reasonably incurred by it in so doing.