15.—(1) The undertaker, during and for the purposes of carrying out the authorised development, may temporarily close, alter or divert any street and may for any reasonable time—
(a)divert the traffic or a class of traffic from the street; and
(b)subject to paragraph (3), prevent all persons from passing along the street.
(2) Without limiting paragraph (1), the undertaker may use any street temporarily closed under the powers conferred by this article within the Order limits as a temporary working site.
(3) The undertaker must provide reasonable access for pedestrians going to or from premises abutting a street affected by the temporary closure, alteration or diversion of a street under this article if there would otherwise be no such access.
(4) Without limiting paragraph (1), the undertaker may temporarily close, alter or divert the streets set out in column (2) of Schedule 5 (streets to be temporarily closed or restricted) to the extent specified, by reference to the letters and numbers shown on the access and rights of way plans, in column (3) of that Schedule.
(5) The undertaker must not temporarily stop up, alter, divert or use as a temporary working site, any street other than those referred to in Schedules 5 (streets to be temporarily stopped up or restricted); and 6 (public rights of way to be temporarily restricted) without the consent of the street authority, which may attach reasonable conditions to the consent but such consent is not to be unreasonably withheld or delayed.
(6) Any person who suffers loss by the suspension of any private right of way under this article is entitled to compensation to be determined as if it were a dispute under Part 1 (determination of questions of disputed compensation) of the 1961 Act.
(7) If a street authority which receives an application for consent under paragraph (5) fails to notify the undertaker of its decision before the end of the period of 42 days beginning with the date on which the application was received by that street authority, it is deemed to have granted consent.