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ATTIC VENTILATION CALCULATIONS <br />- A <br />ATTIC VENTILATION REQUIRED <br />UPPER VENTILATION PROVIDED <br />1/150 Rule <br />1/300 Rule <br />Ridge <br />Off -Ridge <br />(No Upper Ventilators (Must Provide Upper Ventilators) <br />Vent Amt Amt. <br />Req.) <br />(Ft.) <br />— <br />— <br />Total <br />Ventilation <br />ATTIC <br />Provided <br />SPACE SQ. FT. SQ. IN. of <br />SQ. FT. Total SQ. <br />by Upper <br />SQ. IN. of <br />ed ted IN. of of ventilation to <br />vent <br />SQ IN of <br />IN. ofntilation <br />Ventilators <br />Ventilators <br />ventilation soffit ventilation vented be provided <br />Ventilation Ventilation <br />(See Elev) <br />required soffit by upper <br />needed required <br />needed ventilators <br />Main <br />0.0 <br />1.0 <br />Floor 316 303 43 152 11 76 <br />.- 138.0 <br />(Zone 1) <br />0.0 <br />138.0 <br />Upper <br />10.0 <br />1.0 <br />Floor 1170 1123 160 562 40 281 <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 - A <br />SCALE: Y4"=1'-0" <br />-v <br />O ~ O <br />cv `- co <br />4r a <br />CV <br />-0 <br />a L <br />� U � N � <br />Y <br />C <br />N N N <br />(D C <br />.«-• <br />N C <br />�' <br />I Q <br />tour, <br />Q O <br />u 0) O C [] <br />b > > T <br />N 0 0 <br />O <br />(is O <br />a C C U •.:, <br />tllitl <br />c� A` <br />J' <br />To the beat of the Engineers knowledge, information and belief, <br />the structural plans and specifications contained within these <br />drawings comply with the 2020 Florida Building Code - <br />Residential 7th Edition. Engineers signature and seal Is only for <br />the structural engineering portions of the drawing pages bearing <br />Engineers signature and seal. <br />a 8 <br />W e <br />n <br />O N � $ � <br />N d m LL <br />0 ut`a <br />M �rNiv� LL a <br />�[ <br />a U a� <br />0 <br />t L o� <br />�' 7 WNID O J <br />Z ODz z v_, o <br />ILW <br />Z N ODUMvo <br />z <br />z <br />Z n <br />N <br />(An Z M <br />^1 (D(}ryjC <br />W <br />Cn <br />W <br />to <br />C <br />W � <br />was <br />F <br />. <br />S <br />Otis <br />o <br />M <br />M <br />aye <br />L <br />E <br />W <br />1 <br />0� <br />Q N <br />ZO <br />O <br />o <br />Zg <br />N <br />U <br />%z <br />gz <br />IT <br />wg <br /><p <br />¢�I <br />w i <br />ry <br />C <br />8 <br />mi <br />o <br />oLL <br />z <br />8w <br />o <br />U <br />a <br />W <br />a <br />w <br />ww <br />=I <br />J <br />M <br />m <br />CD0 <br />L <br />co 111;r <br />T_ <br />0 <br />O <br />NO <br />0) <br />.� <br />N <br />� <br />CV <br />Q � <br />r <br />E <br />z <br />E _ N <br />N <br />o <br />m <br />E CD <br />E •• v <br />f0 <br />c <br />a <br />U _ Q O <br />JOB <br />NO: 22-02351 <br />SCALE : AS NOTED <br />SHEET NO. <br />4 <br />