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WU_ VeFe-Y.', - <br />14'-0 <br />VARIES SEE PLAN <br />44 )_ <br />RAIL 10 0 <br />osq <br />POSTS TYP �Yl <br />(6' O-C, MAX) VARIES <br />4x1 2 PJ. BEAM <br />U0 <br />ZO co <br />L <br />=Z 0 <br />4 (h <br />i <br />.............. toP <br />I <br />M <br />Ll- OF <br />HOUSE A.2x8 P.T. LE <br />LINE OF HOUSE — TYPICAL <br />K PLAN SCALE: 1/4 1 2— on <br />DECJ. <br />M1507.3 Whole —house mechanical ventilation system. Whole —house mechanical <br />ventilation systems shall be designed in accordance with Sections M1507,3.1 through <br />M1 7.>® <br />M1507.3.1 System design. The whole"house ventilation system shall consist of one or <br />more supply or exhaust fans, or a combination of such, and associated ducts and <br />controls. Local exhaust or supply fags are permitted to serve as such a systerno <br />Outdoor air ducts connected to the return side of an air handier shall be considered <br />to provide supply ventilation. <br />M1507.3.2 System controls. The whole —house mechanical ventilotion system. shall be <br />provided with controls that enable manual override. <br />M1507.3.3 Mechanical ventilation rate. The wholehouse mechanical ventilation system <br />shall provide outdoor air at a continuous rate of not less thorn 'that determined In <br />accordance with Table 11507.3.3(1). <br />Exception: The whole —house mechanical ventilation system is permitted <br />to o"rate intermittently where the system has controls that enable <br />operation for not less than 26—percent of each 4—hour segment and the <br />vantilation rate prescribed In Table M1507.3.3(1) is,multiplied by the factor <br />determined in accordance with Table M1507.3.3(2)> <br />IYSTW AIRFLOW RATE REQUIREMENTS <br />Prescriptive Energy Code Compliance for All Climate Iones In Washington. <br />All Cltmt-ate Zones <br />Tenestration U—Factor <br />Skylight U—Factor <br />('lazed Fenestrafl6n SHOO G <br />Wood Fram;TWI <br />Below Grade Wall <br />of <br />