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Allwholehouseventilationrequrzementsasdetuminedby 0.5 <br /> Section MI508 ofthe Washington State Residential Code <br /> ahall be met with a heat recovery ventilation system in <br /> accordancewith Section MI508J ofthat Code. <br /> qb ADDTTIOIYAL ADiLEAKAGE COIVTROL AIYD <br /> EF6ICIEIVT VEMPII,ATIOIY: <br /> EnvelopeleakagereducedtoSLAofO.OWLSbuilding 1 <br /> and <br /> All whole house ventilation r uirements as determined b <br /> Sa EFFICIENTWATERHEATWG:' <br /> Water heating system ahall imlude one ofthe following: <br /> Cas,propane or oil water heater with a minimum EF of0.62. <br /> or <br /> Electric W ater Aeatu with a minimum EF of.93. 0.5 <br /> and for 6o[h cases <br /> All ahowerhead and kitchen sink faucets inatalled in the <br /> house ahall meet be rated at L75 CPM or less. All other <br /> lavatory faucets ahall be rated at LO CPM or less' <br /> Sb EQGHEFFICIEIYCYWATERHEATIIYG:� <br /> Water heating system ahall imlude one ofthe following: <br /> Cas,propane or oil water heater with a minimum EF of 0.82. <br /> or <br /> Solar water heating supplementing a minimum atandard water <br /> heater. Solarwaterheatingwillprovidearatedminimum 1.5 <br /> savings of 85lherms or 2000 kWh baseA on Ihe Solar Rating <br /> and CertificaHon Corporation(SRCC)Annual Performance <br /> ofOC-300Certified SolarWaterHeating5ystems. <br /> or <br /> 8lectric heat um waterheater with a minimum 8F of 2.0. <br /> 6 SMALLDWELLRHGUMTI:' <br /> Dwelling units less Ihan 1500 aquare feet in floor area with <br /> less Ihan 300 aquare feet ofwindow +door area. Additions 1 <br /> to existing buildingthat are less than 750 aquare feet of <br /> heated floor area. <br /> 7 LARGEDWELLIIYGOIYITI:� <br /> Dwelling units exceeding 5000 aquare feet offloor area ahall _1 <br /> be assessed a deduction forpurposes of complying with <br /> Section 901 ofthis Code. <br /> $ REIYEWABLEELECTRICEIYERGY: <br /> For each L2W kWh of electrical generationprovided <br /> armuallyby omsite wind or solar equipment a 0.5 credit ahall <br /> be allowed,up to 3 credits. Ceneration ahall be calculated as <br /> follows: <br /> For solar electric systems,the design ahall bedemonatrated to <br /> meetthisrequirementusingtheNaHonal RenewableEnergy <br /> Laboratory calculator PV WATTs. Documentation mting <br /> solar access ahall be imluded on Iheplans. 0.5 <br /> For wind generation projects designs ahall document anmal <br /> power generation based on Ihe Pollowing factors: <br /> WSEC Prescripflve Warksheet(2010 Edifion) WSUEP10-010 Capyrighf 2010 <br />