The Able Marine Energy Park Development Consent Order 2014

Obstruction in river

8.  If any pile, stump or other obstruction to navigation becomes exposed in the course of constructing any tidal work (other than a pile, stump or other obstruction on the site of a structure comprised in any permanent work), the Harbour Authority, as soon as reasonably practicable after the receipt of notice in writing from the Conservancy Authority requiring such action, must remove it from the river or, if it is not reasonably practicable to remove it—

(a) cut the obstruction off at such level below the bed of the river as the Conservancy Authority may reasonably direct; or

(b) take such other steps to make the obstruction safe as the Conservancy Authority may reasonably require.