4The ancillary worksS
(1)The ancillary works are such works of the nature described in schedule 3 to this Act as may be necessary or expedient for the purposes of, in connection with or in consequence of, the construction of the railway works or the major road works.
(2)Where the authorised undertaker lays down works for the accommodation of cables or other apparatus for the purposes of the authorised works, the ancillary works may include, in or in connection with such works, accommodation for the apparatus of any other person and facilities for access to such accommodation, and may do so notwithstanding that such conduits and facilities may be for the exclusive use of that other person.