YAVAPAI COUNTY PLANNING AND ZONING ORDINANCE Page 156 installation of outdoor lighting fixtures shall be allowed only when a specific need related to a hazardous nighttime situation is identified by the County and lighting is deemed necessary as a matter or ensuring public safety. b. When existing, publicly-owned buildings and other facilities are modified by physical alterations and/or by a change of use, the installation of additional outdoor lighting fixtures beyond existing installations shall be allowed only when a specific need related to a hazardous nighttime situation is identified by the County and lighting is deemed necessary as a matter of ensuring public safety. c. With the establishment of any new subdivision development where street rights- of-way will be dedicated to the County, the County shall not allow the installation of street lights. In cases where it is determined that street lighting is deemed necessary in public rights-of-way for the safety of pedestrians, bicyclists and/or motorists, the installation of street lighting shall be permitted. All lighting so installed shall be fully shielded, adhere to IDA standards, make use of appropriate adaptive controls and be subject to curfews as directed by the Board of Supervisors. 6. Non-Conforming Uses: a. Mercury vapor lamps in use for outdoor lighting on the effective date of this Ordinance shall not be so used after January 1, 2005. b. No new bottom or side-mounted outdoor advertising sign lighting shall be issued permits after January 1, 2005. c. No other outdoor lighting fixture or use which was lawfully installed or implemented prior to the enactment of this Ordinance shall be required to be removed or modified except as expressly provided herein; however, no modification or replacement shall be made to a non-conforming fixture unless the fixture thereafter conforms to the provisions of this Ordinance, except that identical lamp replacement is allowed (no mercury vapor lamp/fixture can be replaced or be found legal non-conforming). Time restrictions described in Subsections C.2.f, C.2.g, C.2.h, C.2.i, C.4.b.(5), C.4.e.(3), and C.4.f.(5) shall however be applied to such existing lighting. d. In the event that the use of an outdoor lighting fixture is discontinued for six (6) months or is damaged to the point of requiring repairs for safe operation, the repaired or replacement fixture shall comply with the provisions of this Ordinance. D. PERMITS: 1. Approved Materials and Methods of Construction or Installation/Operation: a. The provisions of this Section of the Ordinance are not intended to prevent the use of any design, material or method of installation or operation not commercially available or specifically prescribed by this Ordinance, provided any such alternate has been approved. b. The Development Services Director or his designate may approve any such proposed alternate provided that such alternate: (1) provides at least equivalence to the applicable specific requirements of this Ordinance; and