5(1)The following enactments, namely—
(a)section 15(1) of the [1970 c. lxxvi.] Greater London Council (General Powers) Act 1970, and
(b)section 169(1) of the [1980 c. 66.] Highways Act 1980,
(which control obstructions of the highway in connection with works related to buildings) shall not apply to anything erected, placed or retained in, upon or over a highway for the purposes of or in connection with the exercise of any of the powers conferred by this Part of this Act with respect to works.
(2)Section 141 of the Highways Act 1980 (restriction on planting trees or shrubs in or near carriageway) shall not apply to any tree or shrub planted for the purposes of or in connection with the exercise of any of the powers conferred by this Part of this Act with respect to works.
(3)Section 167 of the Highways Act 1980 (powers relating to retaining walls near streets) shall not apply to any length of a retaining wall erected on land held by the Secretary of State or the nominated undertaker and used, or intended for use, by the nominated undertaker for the purposes of its undertaking under this Part of this Act.
(4)Nothing in section 8(2) to (5) of the [1986 c. iv.] Greater London Council (General Powers) Act 1986 (powers of borough councils in relation to retaining walls supporting the carriageway or footway of certain highways) shall apply with respect to any retaining wall erected in exercise of the powers conferred by this Part of this Act.