(1)The Secretary of State may at any time, if he deems it expedient, order a survey and examination of a tidal work constructed by the appropriate company or of the site upon which it is proposed to construct the work, and any expenditure incurred by the Secretary of State in any such survey and examination shall be recoverable from the appropriate company.
(2)The rivers authority may at their own expense at any time carry out a survey and examination of any such work as is referred to in subsection (1) above and the appropriate company shall provide the rivers authority free of charge with all such facilities as are reasonably necessary for that purpose.