§ 255-30.   Antennas.
   A.   In all nonresidential zoning districts, roof-mounted accessory of any type may be erected on the roof of the principal or to a maximum height of 35 feet above maximum height of the on which it is located, provided that the following criteria are met:
      (1)    and microwave relay shall not be visible between ground level and 10 feet above ground level from any adjoining the .
      (2)    shall not exceed 12 feet in diameter. Microwave relay shall not exceed four feet in diameter.
      (3)    , microwave relay and their accompanying support shall be neutral in color and, to the extent possible, compatible with the appearance and character of the .
      (4)   All installations shall require a   .
      (5)   All applications must include certification by a registered engineer that the proposed installation complies with all applicable BOCA Basic Building Code standards. 11 Furthermore, written documentation of such compliance, including load distributions within the building's support , shall be furnished.
      (6)   No advertising shall be affixed to any part of the or supporting .
   B.   In any zoning district, a permanent, extendable, retractable or telescoping ground-mounted tower, mast or support and accompanying that is accessory to a permitted or special may be erected to a maximum height of 65 feet above mean ground level as measured at the base of the , provided that said (s) may only be located in a side or rear . The tower must be set back from all applicable side and rear setbacks one foot for every two feet of . For example, a forty-foot must be set back 20 feet from the and a sixty-foot must be set back 30 feet. In addition, the following criteria shall also apply:
      (1)   No advertising shall be affixed to any part of the or supporting .
      (2)   Ground-mounted extendable, retractable or telescoping may be located at the side or rear setback and may be erected in excess of 65 feet as a , provided that the following criteria are met:
         (a)   Installation shall require a   .
         (b)   All applications must include certification by a registered engineer that the proposed installation complies with all applicable BOCA Code standards.
   C.   In all nonresidential zoning districts, ground-mounted may be erected to a maximum height of 15 feet above mean ground level as measured from the base of the , provided that the following criteria are met:
      (1)   All installations must comply with all   , height, bulk and setback requirements specified within the district.
      (2)   If the subject parcel abuts a residence district, all such shall be placed a minimum of 20 feet from any and effectively screened from the adjoining residential property.
      (3)   Installation shall require a   .
      (4)   All installations shall be located to prevent obstruction of the antenna's reception window from potential permitted on adjoining properties.
      (5)   All applications must include certification by a registered engineer that the proposed installation complies with all applicable BOCA Basic Building Code standards. 12
      (6)   No advertising shall be affixed to the or supporting .
   D.   In any residence district, roof-mounted accessory (except ) may be erected on the roof of the principal or to a maximum height of 25 feet above the maximum height of the on which it is located.
   E.   In any residence district, roof-mounted may be erected as a only when the following criteria are met:
      (1)   Demonstration by the applicant that compliance with the applicable , setback and height restrictions would result in the obstruction of the antenna's reception window; and furthermore, that such obstruction involves factors beyond the applicant's control.
      (2)   Installation shall require a   .
      (3)   The height of the proposed installation does not exceed the maximum height restriction imposed upon primary and within the district.
      (4)   All applications must include certification by a registered engineer that the proposed installation complies with all applicable BOCA Basic Building Code standards. Furthermore, written documentation of such compliance, including load distributions within the building's support , shall be furnished.
      (5)   Only one shall be permitted per .
      (6)    shall not exceed 12 feet in diameter.
      (7)    shall be neutral in color and, to the extent possible, compatible with the appearance and character of the .
      (8)   No advertising shall be affixed to the or supporting .
      (9)   Those criteria relating to all listed in § 255-166C of this chapter shall apply.
   F.   In any residence district, one accessory ground-mounted may be erected to a maximum height of 12 feet above mean ground level as measured at the base of the , provided that the following criteria are met:
      (1)   All installations must comply with all   , height, bulk and setback requirements specified within the district.
      (2)   All installations shall be located to prevent obstruction of the antenna's reception window from potential permitted on adjoining properties.
      (3)   The shall be neutral in color and, to the extent possible, compatible with character and appearance with the surrounding .
      (4)   All installations must include screening treatments located along the antenna's nonreception window axes and low-level ornamental landscape treatments along the reception window axes of the antenna's base. Such treatments should completely enclose the .
      (5)   Installation shall require a   .
      (6)   All applications must include certification by a registered engineer that the proposed installation complies with all applicable BOCA Basic Building Code standards. 13
      (7)   No advertising shall be affixed to the or supporting .
11. Editor's Note: See Ch. 73, Building Construction.
12. Editor's Note: See Ch. 73, Building Construction.
13. Editor's Note: See Ch. 73, Building Construction.