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i i <br /> TABLE 406.3(continued) <br /> ENERGY CREDITS <br /> nu nneramnwa CRED€T{S) <br /> All Other group R 2 <br /> o Prescriptive' compliance is based <br /> on Table R402.1.1 with the following <br /> modifications: 3.0 2.0 <br /> Vertical fenestration U=0.1$;,d"„"" <br /> Ad6Ceiling and single-rafter ort-vaulted R-60 advanced <br /> Wood frame wall R-21 int plus R-16 ci <br /> Floor R-48 <br /> Rase rte t unin R-`1 int nl,us R-16 c <br /> Slab on grade R-20 <br /> perimeter and under entire slab <br /> Below grade slab R-20 perimeter and under entire slab <br /> or <br /> Compliance based on Section R402.1.4:Reduce the Total conductive UA <br /> by 40%. <br /> '!7 Advanced framing and raised heel trusses or rafters 0'5 <br /> 0.5 <br /> Vertical Glazing U-0.28 <br /> P-40 Rrfusrnn?rl II I11.020)a liMerl in SPrti,n A102 7,1,Ceilings be/owe <br /> vented attic <br /> and <br /> R-49 vaulted ceilings with full height of uncompressed insulation extending <br /> over the wall top plate at the eaves. <br /> 2.AIR LEAKAGE CONTROL AND EFFICIENT VENTILATION OPTIONS <br /> Only one option from Items 2.1 through 2.4 may be selected in this category. <br /> 2.1 Compliance based on R402.4.1,2: <br /> 0.5 1,0 <br /> Reduce the tested air leakage to 3.0 air changes per hour maximum at 50 <br /> Pascals <br /> or <br /> For R-2 Occupancies,optional compliance based on Section R402.4.1.2: <br /> Reduce the tested air leakage to 0.3 cfmM2 maximumat 50 <br /> g� ,,,,Pascals <br /> and <br /> All whole house ventilation requirements as determined by Section <br /> M1507.3 of the International Residential Code or Section 403.8 of the <br /> International Mechanical Code shall be met with a high efficiency fan(s) <br /> {maximum 0.35 watts/cfm),not interlocked with the furnace fan(if present). <br /> Ventilation systems using a furnace including an ECM motor are allowed, <br /> provided that they are controlled to operate at low speed in ventilation only <br /> mode. <br /> To qualify to claim this credit,the building permit drawings shall specify the <br /> option being selected,the maximum tested building air leakage,and shall <br /> show the qualifying ventilation system and its control sequence of <br /> operation. <br /> 2018 Washington State Energy Code <br /> RFl2 <br />