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Southern Human Services Center Smith Sinnett /2020072 <br />HVAC and Roof Renovations Orange County,North Carolina <br />Identification for HVAC Piping and Equipment <br /> 23 05 53 - 3 <br />3.02 INSTALLATION <br />A.Install nameplates with corrosive-resistant mechanical fasteners,or adhesive. Apply with sufficient <br />adhesive to ensure permanent adhesion and seal with clear lacquer. <br />B.Piping shall be labeled with 5 feet of all equipment and once evert 20 feet. <br />C.Install tags with corrosion resistant chain. <br />D.All exposed mechanical piping in mechanical rooms,boiler rooms,on and above mezzanine <br />levels,both insulated and uninsulated,shall be color coded with 30 mil PVC jacketing per the <br />following schedule: <br />1.Hot Water Supply/Return Medium Red <br />2.Makeup Water Green <br />E.Install plastic pipe markers in accordance with manufacturer's instructions. <br />F.Install ductwork with stencilled painting. Identify with air handling unit identification number and <br />area served. Identify service (supply,return,exhaust,outside air,etc.) Locate identification at air <br />handling unit,at each side of penetration of structure or enclosure,and at each obstruction. <br />G.Provide ceiling grid labels to locate valves or dampers above lay-in panel ceilings. Locate in <br />corner of panel closest to equipment. <br />H.Identify control panels,manual motor starters,combination motor starters,disconnects,and major <br />control components outside panels with plastic nameplates. <br />I.Identify thermostats or temperature sensors relating to air handling units or valves with labels. <br />J.Identify valves in main and branch piping with valve labels. <br />K.Tag automatic controls,instruments,and relays.Key to control schematic. <br />L.Identify air handling units with plastic nameplates indicating unit number,area served,OEM and <br />external static pressure,based on actual equipment submittal data,number and size of filters,and <br />number and size of belts (where applicable). <br />M.Provide ceiling track markers to locate valves or dampers above T-bar type panel ceilings.Locate <br />in corner of panel closest to equipment.Markers shall be installed prior to request for above ceiling <br />inspection. <br />3.03 SCHEDULE <br />A.Standard Color Identification for Mechanical Piping (all labels shall be provided with flow arrows): <br />1.Hot Water Supply/Return White Lettering/Red Background <br />2.Makeup Water White Lettering/Green Background <br />3.Condensate Drain Black Lettering/White Background <br />4.Refrigerant Black Lettering/Yellow Background <br />END OF SECTION <br />DocuSign Envelope ID: 94E7997D-4F29-42F6-A9B4-0A160438D2A6