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ORANGE COUNTY 260534-6 <br /> <br />Emergency Management Warehouse Building Dehumidification Raceways <br /> <br /> <br />Use hydraulic one-shot conduit bender for all field bends in conduit. All field made conduit bends shall meet 1 <br />minimum bending radius requirements of the NEC. Bends in metallic conduit shall be made while "cold". Factory 2 <br />made conduit sections may be used in lieu of field made bends for conduit larger than 2". 3 <br /> 4 <br />Avoid moisture traps where possible; where unavoidable, provide junction box with drain fitting at conduit low point. 5 <br /> 6 <br />Use suitable conduit caps to protect installed conduit against entrance of dirt and moisture. 7 <br /> 8 <br />Where raceways penetrate walls or partitions separating spaces with differing environmental conditions, such as 9 <br />freezers, coolers and exterior walls, provide an internal seal to prevent condensation within the raceway as it enters 10 <br />the conditioned space. 11 <br /> 12 <br />Where conduit penetrates fire rated partitions, provide penetration protection in accordance with the UL through-13 <br />penetration detail indicated on the Drawings for the type of partition and conduit involved. All instructions furnished 14 <br />with firestopping materials shall be followed explicitly. 15 <br /> 16 <br />Route conduit through roof openings for piping and ductwork where possible; otherwise, route through roof jack with 17 <br />pitch pocket. All pitch pockets shall be absolutely watertight; once conduit has been routed thought a pitch pocket the 18 <br />water integrity of the pitch pocket is the responsibility of the Division 26-28 Contractor. 19 <br /> 20 <br />Combining of circuits into raceway systems other than indicated on Drawings shall not be permitted. 21 <br /> 22 <br />Bolts, clamps, screws and expansion bolts shall be used in securing conduit, equipment, etc. Holes for lead shields 23 <br />or other anchors shall be the size recommended by the fastener manufacturer and shall be completely covered by 24 <br />the mounted item. Holes used for support of conduit on brick or block walls shall be located in mortar joints where 25 <br />such location is possible. 26 <br /> 27 <br />Provide nylon pull string in empty conduits where indicated, including conduit placed for telephone and data use. 28 <br />Conduit installed but left empty (with pull string) shall be tested with a ball mandrel. Clear any conduit that rejects ball 29 <br />mandrel. Any costs involved for restoration of conduit and surrounding surfaces to original condition are the 30 <br />responsibility of the Contractor. 31 <br /> 32 <br /> 33 <br />END OF SECTION 260534 34 <br />DocuSign Envelope ID: 7668B866-6C26-485C-9A45-DAAB5D4BD951