3.—(1) The undertaker must not use any of CRT’s Property for the passage or siting of vehicles, plant or machinery employed in the construction of the specified works other than–
(a)with the consent in writing of the engineer; and
(b)subject to compliance with such reasonable requirements as the engineer may from time to time specify–
(i)for the prevention of detriment; or
(ii)in order to avoid or reduce any inconvenience to CRT, its officers, agents and all other persons lawfully on any land or property.
(2) The consents required pursuant to this Part must not be unreasonably withheld or delayed but may be given subject to reasonable terms and conditions.
(3) Nothing in this paragraph applies in relation to anything done in accordance with any approval given by CRT under paragraph 4.