A new, replacement, or modified utility pole or wireless support structure installed in a public right-of-way for the purpose of siting a wireless facility shall not exceed the greater of: ten feet in height of the tallest utility pole existing on or before July 1, 2017, located within five hundred feet of the new, replacement, or modified utility pole in the same public right-of-way; or forty feet in height above ground level, unless the Public Works Department finds, based on clear and convincing evidence provided by the applicant, that the proposed height is necessary to close a significant coverage or capacity gap in the Applicant's services or to otherwise provide adequate services to customers, and the proposed new, replacement, or modified utility pole or wireless support structure is the least intrusive means to do so.