PART 4 Supplemental powers

17 Authority to survey and investigate the land onshore
1 The undertaker may for the purposes of this Order enter on any land shown within the Order limits or which may be affected by the authorised project and—
(a) survey or investigate the land;
(b) without prejudice to the generality of sub-paragraph (a), make trial holes in such positions on the land as the undertaker thinks fit to investigate the nature of the surface layer, subsoil and groundwater and remove soil and groundwater samples;
(c) without prejudice to the generality of sub-paragraph (a), make trial trenches in such positions on the land as the undertaker thinks fit to carry out archaeological and site investigations;
(d) without prejudice to the generality of sub-paragraph (a), carry out ecological or archaeological investigations or environmental monitoring on such land; and
(e) place on, leave on and remove from the land apparatus and welfare facilities for use in connection with the survey and investigation of land, environmental monitoring and making of trial holes and trial trenches.
2 No land may be entered or equipment placed or left on or removed from the land under paragraph (1) unless at least 14 days’ notice has been served on every owner and occupier of the land.
3 Any person entering land under this article on behalf of the undertaker—
(a) must, if so required on entering the land, produce written evidence of their authority to do so; and
(b) may take with them such vehicles and equipment as are necessary to carry out the survey or investigation or to make the trial holes.
4 No trial holes may be made under this article—
(a) in land located within the highway boundary without the consent of the highway authority; or
(b) in a private street without the consent of the street authority,
but such consent must not be unreasonably withheld.
5 Following completion of any survey, monitoring or investigation works the undertaker must remove all equipment, apparatus and welfare facilities placed on the land in connection with such survey, monitoring or investigations.
6 The undertaker must compensate the owners and occupiers of the land for any loss or damage arising by reason of the exercise of the authority conferred by this article, such compensation to be determined, in case of dispute, under Part 1 (determination of questions of disputed compensation) of the 1961 Act.
7 If either a highway authority or a street authority which receives an application for consent fails to notify the undertaker of its decision within 28 days of receiving the application for consent—
(a) under paragraph (4)(a) in the case of a highway authority; or
(b) under paragraph (4)(b) in the case of a street authority;
that authority is deemed to have granted consent.