Paragraph 31 I1

without unnecessary delay in accordance with the plans approved or deemed to have been approved or settled by arbitration and with any requirements made under paragraph 28(3)(b);

under the supervision (if given), and in the case of any specified work which directly and physically affects the River, to the reasonable satisfaction of MSCC;

in such a manner as to cause as little detriment as is reasonably practicable to the River;

so far as is reasonably practicable and subject to article 20 (temporary interference with river and waterway), so as not to interfere with, delay or obstruct the safe passage of vessels using the River; and

in such a manner as to cause as little inconvenience as is reasonably practicable to MSCC, its officers and agents.