CHANGES IN SCOPE AND ADDITIONAL WORK. 3.1 If the ARTIST determines changes to be necessary, the ARTIST shall, whenever required during the term of this Agreement, present to the CITY in writing, drawing or other appropriate media for further review and approval any significant changes in the scope, design, color, size, material, utility and support requirements, texture, or location of the site or of the WORK. A significant change is any change which affects the installation, scheduling, site preparation or maintenance of the WORK, or the concept of the WORK as represented in the original approved design.