15.—(1) In constructing Works Nos 1 and 5 DLRL will use its reasonable endeavours to avoid disturbing any mooring or anchor inserted into the bed of the River Thames.E+W
(2) If such a mooring or anchor is located in a position that physically obstructs the construction of Work No. 1 or 5, DLRL may remove so much of the mooring or anchor that comprises the obstruction and thereafter the Port of London Authority will remove so much of the remainder of the mooring or anchor that lies above the uppermost surface of the bed of the River Thames but it will leave in position and not interfere with that part of the mooring or anchor lying between that point and the outer extremity of Work No. 1 or 5 (as the case may be).
(3) DLRL will pay to the Port of London Authority the costs reasonably incurred by it in removing, pursuant to sub-paragraph (2), that part of the remainder of the mooring or anchor mentioned in that sub-paragraph which the Authority is obliged to remove and replacing that mooring or anchor elsewhere and if the mooring removed is a screw mooring which is used in conjunction with a second screw mooring to moor vessels fore and aft those costs shall also include the cost of removing and replacing elsewhere the second screw mooring if it is not required to be removed pursuant to sub-paragraph (2).