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Revisions Date <br />Attic Ventilation: <br />Provide 1 /150 of heated floor area in attic ventilation. <br />1683 s.f. / 150 = '11.22 S.F. of vents. <br />1/2 of required area to be low, and the other high. <br />Retain existing (2) gable end vents @ 1.1 s.f. each. <br />Ridge vent: 6.4 s.f. <br />Low Vents: combination of holes drilled in truss end blocks: <br />6.76 s.f, total. <br />15.36 attic vents total. <br />2x6HF#2 R Ft <br />® 24" o. c. <br />,place existing roof framing <br />is area with engineered <br />asses per plan at right. <br />I U11.1P UL, I 111y11G1 llIulI UUJUUC11L IUUI DUI IC ut:6 . <br />rv,- N <br />ID <br />ffj[-Fgpo LF <br />Scale: 1 /4"=1'—O" <br />Existing <br />Addition <br />Re — built <br />Co <br />Co <br />0 <br />Co <br />M <br />Co <br />2 E <br />Q- U <br />o <br />Ln <br />xE <br />a0 <br />Uj <br />r <br />I <br />I <br />a <br />l <br />� <br />w <br />Date 9-30-20 <br />Scale <br />Drawn <br />Sheet <br />I <br />I <br />