3. The holder of the power to expropriate may, at any reasonable time, enter and travel on any lands the railway crosses and carry out all the operations necessary to establish the location of the railway, mark and delimit the areas of land required for the construction of the railway and determine the extent of work necessary to build the railway.
He must give notice to the owners of such lands at least 48 hours before exercising the powers conferred on him by this section.
He is liable for any damage caused to unexpropriated lands by the exercise of the powers conferred on him by this section, and must endeavour to keep any such damage to a minimum.