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III L a +II L .!LL_ " If __l <br />ATTIC VENTILATION CALCULATIONS - B <br />ATTIC VENTILATION REQUIRED <br />UPPER VENTILATION PROVIDED <br />1/150 Rule <br />1/300 Rule <br />I <br />Ridge <br />Off -Ridge <br />(No Upper Ventilators <br />(Must Provide Upper Ventilators) <br />Ve(ntttAmt <br />Amt. <br />Total <br />Ventilation <br />ATTIC <br />Provided <br />SPACE <br />SQ. FT. <br />Total SQ. <br />SQ. FT. <br />SQ. IN. of <br />by Upper <br />SQ. IN. of <br />of vented <br />IN. of <br />of <br />ventilation to <br />SQ. IN. of <br />SQ. IN. of <br />Ventilators <br />ventilation <br />required <br />soffit <br />ventilation <br />vented <br />soffit <br />be provided <br />by upper <br />I Ventilation <br />Ventilation <br />(See Elev ) <br />needed <br />required <br />needed <br />ventilators <br />I <br />Main <br />j <br />&0 <br />1.0 <br />Floor <br />316 <br />303 <br />43 <br />152 <br />11 <br />76 <br />138.0 <br />0.0 <br />138.0 <br />(Zone 1) <br />Upper <br />10.0 <br />1.0 <br />Floor <br />1170 <br />1123 <br />160 <br />562 <br />40 <br />281 <br />288.0 <br />(Zone 2) <br />150.0 <br />138.0 <br />"NOTE — <br />GENERAL CONTRACTOR MUST ENSURE THAT PROPER VENTILATION IS PROVIDED AT EAVES/SOFFITS AS <br />REQUIRED BY FLORIDA BUILDING CODE 7TH EDITION (2020) RESIDENTIAL. <br />ROOF PLAN - B <br />SCALE: %4"=l'-0" <br />Q) . C <br />cliO <br />J-. a_ <br />L E C <br />< <br />O 0 <br />U <br />> <br />> © W <br />cli <br />To the best of the Engineer's knowledge, information and belief, <br />the structural plans and specifications contained within these <br />drawings comply with the 2020 <br />Florida Building Code - <br />Residential 7th Edition. Engineer's signature and seal is only for <br />the structural engineering portions of the drawing pages bearing <br />Engineer's signature and seal. <br />W <br />c� <br />n <br />F <br />O M E <br />Off <br />Q <br />LL <br />N W <br />.7 N N :W LL W <br />to <br />Q <br />ym0 u- Y <br />JLLC- a L <br />o <br />Z <br />_ <br />2°' O <br />s o o ~ w <br />W <br />m <br />o� onLLW� ¢a� <br />Z <br />N M Z N Q <br />O U v N <br />Z <br />W <br />D❑❑ <br />V M � <br />z N M <br />O <br />Vo <br />Q <br />d N <br />t` <br />LL <br />T <br />Cn <br />W � <br />Z <br />V <br />0 <br />W s <br />N <br />Ly N <br />�tn <br />U <br />W J <br />U o N <br />• <br />N <br />i-4 <br />—IS <br />o <br />�w <br />M <br />o <br />Z <br />QE <br />o <br />za <br />wo <br />Z <br />� <br />> <br />ZN <br />QN <br />Z® <br />p a <br />V <br />H 'd <br />W K <br />00 <br />pK <br />Z <br />O E <br />Nrawo <br />aQ <br />o <br />o <br /><o <br />a z <br />ww <br />�C <br />c <br />Y1z <br />"� <br />m0 <br />z, <br />z <br />_ v <br />N J <br />c� � <br /><w <br />g (n <br />Zzo <br />tom. <br />of <br />30 <br />a <br />n F <br />W <br />¢ <br />a <br />Jz <br />3 <br />cz�o <br />a <br />z a <br />3 <br />.N 0 <br />>M <br />0 <br />rn <br />m <br />0 <br />L <br />N <br />o <br />I� <br />N <br />M <br />O <br />N <br />Lo <br />N <br />Q <br />N <br />r <br />ai <br />w <br />3 d' <br />N <br />N <br />o <br />z <br />cc <br />z <br />E Ncc <br />d <br />E <br />U <br />Q <br />J <br />JOB <br />NO: <br />22-02370 <br />SCALE : <br />AS NOTED <br />SHEET NO. <br />4 <br />