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TAB~E 6B-1 MINIMUM REQUIREMENTS COMPONENTS PACKAGES FOR NEW CONSTRUCTION A B C 0 E F Max. %01 glass to Floor Area 15% 15% 20% 20% 25% 25% Type Double Clear (DC) Single Tint (ST) Single Tint (ST) Single Tint (ST) Double Tint (DT) Double Tint (DT) Overhang 2' 1 '4" 2' 2' 2' 2' Masonry EXTERIOR AND ADJACENT MASONRY WALLS R-5 COMMON MASONRY WALLS R-3 EACH SIDE. Wood EXTERIOR, ADJACENT, AND COMMON WOOD FRAME Frame WALLS R-11 CEILINGS CEILINGS UNDER ATTIC R-30. FRAME COMMON CEILINGS R-l1. (NO SINGLE ASSEMBLY CEILINGS ALLOWED) Slab-On-Grade R-O Raised Wood R-11 (ONLY STEM WALL CONSTRUCTION ALLOWED EXCEPT PACKAGE D) Raised Concrete R-5 DUCTS R-6 R-6 R-6 R-6 R-6 R-6 SPACE COOLING (SEER) 12.0 10.0* 10.0* 12.0 10.0* 10.9 Elect (HSPF) STRIP 6.8* 6.8* 7.4 6.8* 7.6 Gas/Oil (AFUE) MINIMUM OF .73 (Direct heating) or .78 (Central) Electric EF .90 EF .90 EF .90 EF .90 NOT ALLOWED EF .90 Resistance** (SEE BELOW) Gas & Oil ** MINIMUM EF OF .54 NATURAL GAS ONLY (SEE BELOW) Other Any of the following are allowed: dedicated heat pump, heat recovery unit or solar system. Climate Zones 4 5 6 TO BE };TALLED If. ?, % DC: 0 DT: 0 /. If FEET EXT: R= ~ ADJ: R= COM: R= EXT: R= Ie, ADJ: R= COM: R- UNDER ATIIC: R = '-;0 COMMOM: R= R= 0 R- R- R = ----k- COND. D SEER - ( /) .d? COP= _ or HSPF= ~ AFUE ~ EF = I 0( EF = DHP: B EF= - HRU: SOLAR: D EF= - Single package units minimum SEER=9.7, HSPF = 6.6. Minimum efficiencies for gas and electnc hot water systems apply to to 40 gallon water heaters. Refer to Tabie 6-12 for minimum Code efficiencies for oil water heaters and other sizes. DESCRIPTION OF BUILDING COMPONENTS LISTED Percent of Glass to Floor Area: This percentage is calculated by dividing the total of all glass areas by the total conditioned floor area. Overhang: The overhang is the distance the roof or soffit projects out honzontally from the face of the glass. All glass areas shall be under an overhang of at least the prescribed iength with the following exceptions: 1) glass on the gabled ends of a house and 2) the glass in the iower stones of a multi-story house. Wall, Ceiling and Floor Insulation Values: The R-values indicated represent the minimum acceptable insulation level added to the structural components of the wall, ceiling or floor. The R-value of the structural building materials shall not be included in this calculation. "Common" components are those separating conditioned tenancies in a mullifamily building. "Adjacent" components separate conditioned space from unconditioned but enclosed space. "Exterior' components separate conditioned space from unconditioned and unenclosed space. Floor: Slab-an-grade 1I00rs without edge insulation are acceptable. Raised wood floors shall have continuous stem walls with insulation placed on the stem wall or under the floor except Package D. Ducts: "COND" indicates that the ducts must be installed within the conditioned space; that is, the ductwork shall be located on the conditioned side of the insulation. Ducts in conditioned space are acceptable for any prescriptive package. Space Cooling System: Cooling systems shall have a Seasonal Energy Efficiency Ratio (SEER) for central units or Energy Efficiency Ratio (EER) for room units or PTAC's equal to or greater than the prescnbed value. Electric Space Heating Option: Heat pump systems shall be rated with a Heating Seasonal Pertormance Factor (HSPF) equal to or greater than the prescnbed HSPF. Heat pump systems may contain electric strip backups meeting the cntena of section 608.1.ABC.3.2.1.2. No electric resistance space heat is allowed for these packages. Electric Resistance Hot Water Option: For packages designated "Not Allowed", an electric resistance hot water system may be installed only in conjunction with one of the "Other Hot Water System Options". See below. Other Hot Water System Options: Any dedicated heat pump, heat recovery unit, or solar hot water system may be installed. Solar systems must have an EF of 1.5 or higher. Electnc resistance systems having an EF of .88 or greater, or natural gas systems with EF .54 or greater may be used in conjunction with these systems. TABLE 6B-21 MINIMUM REQUIREMENTS FOR ALL PACKAGES COMPONENTS SECTION REQUIREMENTS CHECK Exterior Joints & Cracks 606.1 To be caulked, gasketed, weather-stripped or otherwise sealed. V Exterior Windows & Doors 606.1 Max .3 cfm/sq.ft window area; .5 cfm/sq.ft door area. V' Sole & Top Plates 606.1 Sole plates and penetrations throuqh top plates of exterior walls must be sealed. V Recessed Lighting 606.1 Type IC rated with no penetrations (two alternatives allowed). v Multi-story Houses 606.1 Air barrier on perimeter of floor cavity between floors. k7f Exhaust Fans 606.1 Exhaust fans vented to unconditioned space shall have dampers, except for combustion devices with integral exhaust ductwork. I- Water Heaters 612.1 Comply with efficiency requirements in Table 6-12. Switch or clearly marked circuit breaker (electric) V or cutoff (aas) must be orovided. External or built-in heat trao reauired. Swimming 612.1 Spas & heated pools must have covers (except solar heated). Non-commercial pools must have a I/~ Pools & SDas pumo timer. Gas soa & 0001 heaters must have minimum thermal efficiencv of 78%. Hot Water Pipes 612.1 Insulation is required for hot water circulating systems (including heat recovery units). 1/ Shower Heads 612.1 Water flow must be restricted to no more than 2.5 gallons per minute at 80 PSIG. ~V HV AC Duct 610.1 All ducts, fittings, mechanical equipment and plenum chambers shall be mechanically attached, Construction, sealed, insulated and installed in accordance with the criteria of Section 610.1. Ducts in attics must be V Insulation & Installation insulated to a minimum of R-6. Air handlers shall not be installed in attics unless in mechanical closets. HV AC Controls 607.1 Separate readily accessible manual or automatic thermostat for each system. V -2- .,- ,.,.""_,.."'_l,,,,,,_--*,~"'iIil'_<~"^