While performing the necessary work on private properties referred to in this article the director of public works and engineering or duly authorized representatives of the village, the EPA, or the U.S. environmental protection agency shall observe all safety rules applicable to the premises established by the owner of such premises and said owner shall be held harmless for injury or death to said director or such representatives, and the village shall indemnify the company against liability claims and demands for personal injury or property damage asserted against said owner and growing out of the gauging and sampling operating, except as such may be caused by negligence or failure of owner to maintain conditions as required in this chapter. (Ord. 0-13-51, 11-4-2013)