Installation When installation is required, the Contractor shall be responsible for placing and installing the Commodities or parts in the required locations at no additional charge. All materials used in the installation shall be of good quality and shall be free of defects that would diminish the appearance of the Commodity or render it structurally or operationally unsound. Installation includes the furnishing of any equipment, tools, rigging, labor, and materials required to install or replace the Commodities or parts in the proper location. Contractor shall protect the site from damage and shall repair damages or injury caused during installation by Contractor or its employees or agents. If any alteration, dismantling, excavation, etc., is required to achieve installation, the Contractor shall promptly restore the structure or site to its original condition. Contractor shall perform installation work so as to cause the least inconvenience and interference with Customers and with proper consideration of others on site. Upon completion of the installation, the location and surrounding area of work shall be left clean and in a neat and unobstructed condition, with everything in satisfactory repair and order.