5—(1) The powers of entry conferred by section 32 are exercisable in relation to any land—N.I.
(a)for the purpose of surveying or examining the land in order to ascertain whether it ought to be acquired by the Department under section 5; or
(b)in connection with any claim for compensation in respect of any such acquisition.
(2) The power to survey land conferred by sub-paragraph (1) includes power—
(a)to ascertain or fix boundaries;
(b)to search and bore for the purposes of ascertaining the course of any sewers or drains or ascertaining the nature of the subsoil; and
(c)to take and carry away, for the purpose of examination, specimens of the subsoil.