Pulling down part of a building

(1) The preceding provisions of this Act shall apply in the case of. a part of a building in the same manner as they apply in the case of a building. (2) Where any part of a building is pulled down by virtue of any order made under and in accordance with this Act no action shall lie in respect of any injury done in the course of such pulling down to any other part of the same building if such injury could not have been avoided by the exercise of reasonable care and skill.