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Orange County NC <br />Radio Communication Tower and System Infrastructure Upgrade <br />RF Coverage and Sites /Towers <br />2.2 VHF Station Paging <br />2.2.1 Cedar Grove Fire Station <br />There is an existing tower at this location that could be used for a VHF paging station. <br />The tower is approximately 175 ft. tall, and has two antennas and transmission lines <br />installed. The latest information from Orange County has indicated that neither of these <br />antennas or transmission lines is being used. <br />If an existing antenna and transmission line is used for the new VHF paging station, <br />there should not be a need to conduct a structural analysis of the tower. However, <br />depending on the age of the tower, a tower inspection and structural analysis would be <br />recommended. <br />If an existing antenna and transmission line is used for the new VHF paging station, the <br />antenna and transmission line should be tested for acceptable performance. The <br />antenna and line should be "swept" with a time domain reflectometer (TDR). This will <br />provide an indication of acceptable performance as well as provide a baseline for future <br />testing and verification. <br />2.2.2 Orange Grove Fire Station <br />A new tower is proposed for the Orange Grove Fire Station to provide VHF paging <br />coverage in the central southwest of the County. <br />Based on the RF coverage requirements, a tower height of at least 130 ft. is needed for <br />Fire Station paging. To allow for future expansion and other use of the tower, Orange <br />County may consider a tower of greater height. <br />Initial review of the Unified Development Ordinance has indicated that to meet a 110% <br />fall -zone for the tower, the new tower would be limited to 100 ft. If Orange County could <br />secure approvals from the adjacent land owners, this fall -zone may be extended onto <br />their properties, and the tower height increased. <br />[full UDO report to be added] <br />2.2.3 Eno Mountain Site <br />The existing Fire Station paging station at this site is retained for use. <br />August 23, 2013 Page 22 of 37 <br />T <br />�G <br />209 <br />