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Orange County NC <br />29 <br />Radio Communication Tower and System Infrastructure Upgrade <br />RF Coverage and Sites/Towers <br />IIli In r' <br />An existing tower at this location 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 indicates that neither of these <br />antennas or transmission lines is in use. <br />If an existing antenna and transmission line is used for the new VHF paging station, a <br />structural analysis of the tower should not be necessary. However, depending on the <br />age of the tower, a tower inspection and structural analysis would be 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 indicates that to meet a 110% fall - <br />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 />A full tower elevation and UDO Report is attached as a separate document. <br />2.2.3 Eno Mountain Site <br />The existing Fire Station paging station at this site should be continued to be used as <br />part of the overall County VHF paging system. <br />August 30, 2013 Page 28 of 51 T <br />