Paragraph 12 I1

without unnecessary delay in accordance with the plans approved or deemed to have been approved or settled in accordance with this Schedule and with any requirements made under paragraph 8(3)(b);

under the supervision (if given) and, in the case of any specified work which directly and physically affects the relevant part of the waterway, to the reasonable satisfaction of the engineer;

in such manner as to cause as little detriment as is reasonably practicable; and

in such manner as to cause as little inconvenience as is reasonably practicable to the Trust, its officers and agents and all other persons lawfully using the relevant part of the waterway.