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<br />2.8.5.2.Secure cable at the top of every vertical run. <br /> <br />2.8.5.3.Secure cable using a split mesh grip, which must bear the weight of <br />the cable. <br /> <br />2.8.5.4.Cable may be secured to other structure members but not to other <br />cabling. <br /> <br />2.8.6. If a winch is used to pull cable during cable placement, monitor tension of <br />the cable. Hand pulls do not require monitoring. <br /> <br />2.8.7. Make circuitous pulls by back feeding or center pulling. <br /> <br />2.8.8. Cable media routing. Comply with the following: <br /> <br />2.8.8.1.AII communications cable or cable distribution bundles, when not <br />confined to existing conduit or other structured pathways such as cable <br />tray, shall be supported from the structural ceiling using open J- <br />supports or similar technology installed in the ceiling plenum above <br />suspended ceiling. <br /> <br />2.8.8.2.Ceiling cable placement topology shall be, to the degree possible, <br />down main halls and corridors then spurred to the work area outlets. <br /> <br />2.8.8.3.AII cable shall be supported within 12-18 inches on any conduit, cable <br />tray, or ladder rack entrance/exit point and support assemblies shall be <br />placed 48-60 inches apart alternating measured center to center in <br />order to avoid the potential for harmonics. <br /> <br />2.8.8.4.Support assemblies shall maintain cable at a minimum of 6 inches <br />above the suspended ceiling. At no time is cable to rest on suspended <br />ceiling "r" bar supports or tile. <br /> <br />2.8.8.5.Communications cable support assembly system shall remain <br />independent of all other equipment, cable, conduit, or suspended <br />ceiling tile support systems. <br /> <br />2.8.8.6.Confirm clearances of at least 4 ft. from large motors or transformers, <br />1 ft. from conduits and cables used for high voltage (above 240 VAC <br />single-phase) electrical power distribution and 5 inches from <br />fluorescent lighting. <br /> <br />2.8.8.7.lf cables must cross a fluorescent light fixture, crossing shall take <br />place at a right angle to the fixtures longitudinal axis, and clear <br />longitudinal edge of fixture by a minimum of 12 inches before running <br />parallel to fixture's longitudinal axis. <br /> <br />Page 14 of 24 <br />