Where in any place it is intended to carry the railway on an arch or arches or other viaduct, as marked on the said plan or section, the same shall be made accordingly; and where a tunnel is marked on the said plan or section as intended to be made at any place, the same shall be made accordingly, unless the owners, lessees, and occupiers of the land in which such tunnel is intended to be made shall consent that the same shall not be so made.