7.—(1) The licence holder is permitted to construct a pumping station at the pumping station outfall according to the following specification—
(a)a temporary steel cofferdam for the installation of up to six drainage pipes may be installed through the existing flood defence and extend onto the foreshore, after which the flood defence wall must be reinstated to its original seaward profile using inert soil materials and concrete;
(b)a stone mattress may be placed within the drainage channel created under (a) over a distance of 20 metres seawards of the outfall pipes; and
(c)a pumping station may be constructed such that its seaward extent is above the stone mattress.
(2) Works outside the cofferdam must be undertaken using land based plant operating from a berm formed within the south-eastern return wall of the quay.