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Orange County Health Department Improvements Smith Sinnett /2024008 <br />Hillsborough,NC Orange County Asset Management Services <br />CONDUIT FOR ELECTRICAL SYSTEMS 26 05 33.13 - 2 <br />1.06 DELIVERY,STORAGE,AND HANDLING <br />A Receive,inspect,handle,and store conduit and fittings in accordance with manufacturer's instructions. <br />PART 2 PRODUCTS <br />2.01 CONDUIT APPLICATIONS <br />A Do not use conduit and associated fittings for applications other than as permitted by NFPA 70 and product <br />listing. <br />B Unless otherwise indicated and where not otherwise restricted,use the conduit types indicated for the <br />specified applications. <br />C Indoors: Finished spaces (not subject to physical damage) <br />1.Raceway shall be routed concealed in interior portions of furred spaces,ceilings,and cavities,unless <br />other than concrete or solid plaster where possible. <br />2.Raceways 2 inch or less shall be allowed to be EMT conduit. <br />3.All raceways concealed in exterior walls shall be rigid galvanized steel conduit. <br />4.All raceways larger than 2 inch shall be rigid galvanized conduit. <br />5.Where surface mounted conduit is required in finished spaces,contractor shall utilize surface metal <br />raceway wire mold. <br />6.Where there is a transition between RGS in a wall to EMT above ceiling,it shall be made at a junction <br />box above accessible ceiling. <br />7.Interior,Damp or Wet Locations: Use galvanized steel rigid metal conduit. <br />D Stub Ups <br />1.All feeder stub ups shall transition below grade from PVC to rigid a minimum of 3 feet horizontally <br />from stub up location. <br />2.All branch circuit stub ups,where exposed or in non-CMU walls,shall transition to rigid galvanized <br />steel at 90 degree elbow. <br />3.Schedule 40 rigid polyvinyl (PVC)stub ups are only allowed where conduits come up in CMU walls <br />or the bottom of floor mounted equipment. <br />E Unfinished spaces subject to damage (Electrical,Mechanical etc.) <br />1.All conduit in unfinished spaces shall rigid galvanized steel.Conduit is not considered subject to <br />damage when installed at least 10 feet above finished floor or tight to structure. <br />2.Conduits are not required to transition to transition to rigid galvanized steel where they are routed <br />down into panelboards or other wall mounted equipment. <br />F Exposed,Interior finished spaces: Use surface metal raceway as identified on the drawings. <br />1.Surface metal raceway shall be manufactured by Wiremold or approved equal. <br />2.A separate equipment ground conductor shall be run in the surface metal raceway. <br />G Connection to vibrating equipment shall be made with flexible metal conduit or liquid tight flexible metal <br />conduit depending on the environment installed. <br />H Connections to Luminaires Above Accessible Ceilings: Use flexible metal conduit shall be allowed. <br />1.Maximum Length: 6 feet. <br />I Connections to Vibrating Equipment: <br />1.Dry Locations: Use flexible metal conduit. <br />2.Damp,Wet,or Corrosive Locations: Use liquidtight flexible metal conduit. <br />3.Maximum Length: 6 feet unless otherwise indicated. <br />4.Vibrating equipment includes,but is not limited to: <br />a.Transformers. <br />b.Motors. <br />c.Generators. <br />2.02 CONDUIT REQUIREMENTS <br />Docusign Envelope ID: 2D852F9B-A7CF-462A-9536-444A53AA848A