11.—(1) The promoter may, for the purpose of exercising the powers conferred by article 10 (power to keep apparatus in streets) or any other provision of this Order, enter upon any street, and may execute any works required for or incidental to the exercise of those powers including, without limitation on the scope of those powers, breaking up or opening the street, or any sewer, drain or tunnel under it, or tunnelling or boring under the street.
(2) The powers of this article must not be exercised within the boundaries of a street outside of the Order limits without the consent of the street authority but such consent must not be unreasonably withheld.