10.—(1) After the completion of the authorised works, the Company shall around the perimeter of such work exhibit such lights, marks, sound signals and other navigational aids and take such other steps for the prevention of danger to navigation as Trinity House may from time to time direct.
(2) After the completion of the authorised works, the Company shall exhibit every night from sunset to sunrise such lights, if any, and take such other steps for the prevention of danger to aircraft as the Civil Aviation Authority may from time to time direct.
(3) Unless the Secretary of State otherwise directs, the Company shall ensure that so much of the turbine as is above the level to which Trinity House direct colouring for navigational safety reasons, and all nacelles and blades, are painted submarine grey (colour code: RAL 7035).