12.—(1) Any specified works shall, when commenced, be constructed—
(a)with all reasonable dispatch in accordance with the plans approved or deemed to have been approved or settled as aforesaid and with any requirements made under paragraph 8(3)(b);
(b)under the supervision (if given) and, in the case of any specified work which directly and physically affects the Dock, to the reasonable satisfaction of the engineer;
(c)in such manner as to cause as little detriment as is reasonably practicable; and
(d)in such manner as to cause as little inconvenience as is reasonably practicable to the Board, its officers and agents and all other persons lawfully using the Dock.
(2) Nothing in this Order shall authorise DLRL to make or maintain any permanent works in or over the Dock so as to impede or prevent (whether by reducing the headroom or depth of water available for vessels, or the width of the Dock or otherwise) the passage of any vessel such as would have been capable of navigating the Dock on 2nd August 2006.
(3) Following the completion of the construction of the specified works DLRL shall restore the Dock to a condition no less satisfactory than its condition immediately prior to the commencement of those works.