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� <br /> � <br /> • � <br /> ! 2-1/2 through 4 Inch 12 Feet <br /> 5 through 8 Inch 14 Feet <br /> 10 through 12 Inch 15 Feet <br /> � C. Support vertical piping at every other floor or every other pipe <br /> ; length, whichever is most frequent. Set the base of the riser or base <br /> fitting on a pedestal or foundation. <br /> ; 3.3 SPRINKLERS <br /> � <br /> ! A. Install sprinkler heads centerline of corridors and locate in the <br /> , center of the ceiling tiles. Install sprinkler heads in other designated <br /> � spaces in the center of the ceiling tiles and symmetrically locate <br /> with other heads within the ceiling. (See Architectural reflected <br /> ceiling plans.) Do not install sprinkler heads in other locations any <br /> closer than six (6) inches to any ceiling grid or wall. <br /> � B. Cross mains and feed mains sha11 not pass through electrical rooms <br /> or similar spaces. Only the branch line serving such spaces shall <br /> be permitted within the boundaries of these rooms. <br /> I <br /> C. Drain plugs sha11 be installed on trapped sections of piping, 50 <br /> • gallons or less. Auxiliary drain valves, 3/4 inch or larger, and <br /> plugs shall be installed on trapped sections of pipe greater than 50 <br /> , gallons. <br /> ; <br /> END OF SECTION <br /> � <br /> I <br /> � <br /> i <br /> I <br /> i <br />� � i <br /> � � <br /> � ICT 99184 <br /> � � 15300 - 5 <br /> I <br /> � <br /> � <br /> i <br /> , , <br />� I <br />