Laserfiche WebLink
. , , . , <br /> � equipment must be provided. <br /> [ ] � Insulation R-values and glazing U-factors must be clearly marked on 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 ro R-8.0. <br /> � <br /> � Duct Construction: <br /> [ ] � All joints,seams, and connections must be securely fastened with welds,gaskets,mastics(adhesives), <br /> � mastic-plus-embedded-fabric,or tapes. Tapes and mastics must be rated LTL 181A or UL 181B. <br /> � Exception:Continuously welded and locking-type longitudinal joints and seams on ducts <br /> � operating at less than 2 in.w.g. (500 Pa). <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 restric[or shut off the heating and/or cooling input to each zone or iloor 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 outiet 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 1. <br /> � <br /> � Swimming Pools: <br /> [ ] � All heated swimming pools must have an on/off heater 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 �or chilled fluids below 55 °F must be insulated to the <br /> � levels in Table 2. <br />