(9) Nothing in this article relieves the undertaker from any liability to pay compensation under  section 152( a ) (compensation in case where no right to claim in nuisance) of the 2008 Act.  (10) Any compensation payable under paragraph (7) or (8) is to be determined, in case of  dispute, under Part 1 of the 1961 Act.  (11) In this article “protective works” in relation to a building means—  19. —(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 development and—  (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—  (4) No trial holes or boreholes are to be made under this article—  but such consent must not be unreasonably withheld.  (5) 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 of the 1961 Act.  (6) If either a local highway authority or 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 ) Section 152 was amended by S.I. 2009/1307 18 (a) under paragraph (4)(a) in the case of a local highway authority; or  (b) under paragraph (4)(b) in the case of a street authority,  (a) in land located within a highway boundary for which the local highway authority is the  highway authority without the consent of the local highway authority; or  (b) in a private street without the consent of the street authority, (a) must, if so required, before or after entering the land, produce written evidence of their  authority to do so; and  (b) may take onto the land such vehicles and equipment as are necessary to carry out the  survey or investigation or to make the trial holes and boreholes.  (d) place on, leave on and remove from the land apparatus for use in connection with the  survey and investigation of land and making of trial holes and boreholes.  (c) without limitation to the scope of sub-paragraph (a), carry out ecological or  archaeological investigations on such land, including making any excavations or trial  holes on the land for such purposes; and  (b) without limitation to the scope of sub-paragraph (a), make any excavations or trial holes  and boreholes in such positions on the land as the undertaker thinks fit to investigate the  nature of the surface layer and subsoil and groundwater and remove soil and water  samples and discharge water samples on to the land;  (a) survey or investigate the land (including any watercourses, ground water, static water  bodies or vegetation on the land);  (a) underpinning, strengthening and any other works the purpose of which is to prevent  damage which may be caused to the building by the carrying out, maintenance or use of  the authorised development; and  (b) any works the purpose of which is to remedy any damage which has been caused to the  building by the carrying out, maintenance or use of the authorised development.  Authority to survey and investigate the land 