SCHEDULE 4Safeguarding works: procedure

1Safeguarding works may be carried out—

(a)at any time before or during the construction in the vicinity of the building of any part of the authorised works; or

(b)after the completion of the construction of that part of the authorised works, at any time up to the end of the period of five years beginning with the day on which that part of the authorised works is first opened for use.