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� equipment must be provided. <br /> [ ] � Insulation R-values,glazing U-factors,and heating equipment efficiency must be clearly marked on <br /> � the building plans or specifications. <br /> � <br /> � Duct Insulation: <br /> [ ] � Ducts in unconditioned spaces must be insulated to R-5. <br /> � Ducts outside the building must be insulated to R-8.0. <br /> � <br /> � Duct Construction: <br /> [ ] � All joints,seams,and connections must be securely fastened with welds,gaskets,mastics <br /> � (adhesives),mastic-plus-embedded-fabric,or tapes. Duct tape is not permitted. <br /> � F�ception: Continuously welded and locking-type longitudinal joints and seams on ducts <br /> � operating at less than 2 in.w.g.(500 Pa). <br /> [ ] � Ducts shall be supported every 10 feet or in accordance with the manufacturer's instructions. <br /> [ ] � Cooling ducts with exterior insulation must be covered with a vapor retarder. <br /> [ ] � Air filters are required in the return air system. <br /> [ ] � The HVAC system must provide a means for balancing air and water systems. <br /> � <br /> � Temperature Controls: <br /> [ ] � Thermostats are required for each separate HVAC system. A manual or automatic means to <br /> � partially restrict or shut offthe heating and/or cooling input to each zone or floor shall be provided. <br /> � <br /> � Service Water Heating: <br /> [ ] � Water heaters with vertical pipe risers must have a heat trap on both the inlet and outlet unless the <br /> � water heater has an integral heat trap or is part of a circulating system. <br /> [ ] � Insulate circulating hot water pipes to the levels in Table 1. <br /> � <br /> � Circulating Hot Water Systems: <br /> [ ] � Insulate circulating hot water pipes to the levels in Table l. <br /> I <br /> � Swimming Pools: <br /> [ ] � All heated swimming pools must have an on/offheater switch and require a cover unless over 20% <br /> � of the heating energy is from non-depletable sources. Pool pumps require a time clock. <br /> � <br /> � Heating and Cooling Piping Insulation: <br /> [ ] � HVAC piping conveying fluids above 105°F or chi(led fluids below 55°F must be insulated to the <br /> � levels in Table 2. <br /> ��.«..,... +„r <br /> P.O.Bpx 582-Weyzela-MN-55391 <br /> Tdl-hes t-888-533-5539 <br /> Fecsimile 1-0Tl-533•5539 <br /> www.leekleya.com <br />