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ATTIC VENTILATION CALCULATIONS - 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 <br />(Must Provide Upper Ventilators) <br />Vent Amt <br />Amt. <br />Req.) <br />(Ft.) <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. ofSQ. <br />ventilation. <br />to <br />INof <br />SQ. INof <br />Ventilators <br />ventilation <br />soffit <br />ventilation <br />tof <br />vented <br />d <br />b d id <br />prove <br />. <br />Ventilation <br />. . <br />Ventilation <br />(See Elev ) <br />required <br />needed <br />required <br />soffit <br />by upper <br />needed <br />ventilators <br />Main <br />0.0 <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 - ELEV-A <br />SCALE: %4'=1'-0" <br />N <br />O <br />N <br />M <br />c <br />0 <br />O <br />o <br />co <br />cu v <br />> W <br />Cj <br />W <br />c <br />C 10 (_.) N <br />•p m X <br />N M O <br />N ..a N L <br />Vf y O J <br />�. N <br />cu <br />•Obi <br />V Q <br />� co <br />Cu <br />a <br />� <br />E <br />o <br />a v <br />0 <br />, P. • ,.,... `i <br />U <br />^ <br />: \140� OF <br />•• <br />FL '� ? <br />,V/1 <br />,�OFE <br />S S I Ota��°°���� <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 nth Edition. Engineers signature and seal is only for <br />the structural engineering portions of the drawing pages bearing <br />Engineers signature and seal. <br />0 <br />a <br />o �$ <br />o <br />C3 r N r` <br />W <br />fn <br />rgAr� � <br />J LL <br />Q <br />NMv <br />WLLLL LL W <br />Z <br />a <br />'a a <br />m c � <br />s mo <br />W <br />'o�� <br />°' OR <br />W <br />ILZ <br />ILW <br />°m w <br />N° a� <br />�^ <br />N <br />O U 00 <br />._ <br />013 <br />C9cn <br />z pNp <br />Z <br />v <br />J <br />d � <br />n <br />W <br />0 <br />ti <br />cn <br />W <br />o p <br />V <br />0 <br />N <br />LLi o <br />01- <br />W <br />$ <br />i <br />I <br />e <br />Q - <br />se <br />W <br />M <br />O <br />w� <br />Q <br />E <br />��� <br />o� <br />a <br />E O <br />ca <br />uQQ=z= <br />_a <br />oa <br />0 OU <br />O E <br />N <br />ao <br />a Z <br />wo <br />W Z <br />r� <br />� CY <br />m <br />°� <br />z <br />� � <br />J <br />�NWyO <br />6 w <br />>� <br />� N <br />d 3 <br />od <br />5� <br />W <br />C-� <br />wLL <br />yk <br />Nz <br />S3 <br />S25 <br />v <br />w <br />z< <br />°3 <br />.N O <br />3: <br />>M <br />rn <br />m <br />m <br />L <br />Cal <br />Or <br />� O <br />� <br />.•1 <br />= <br />O <br />m <br />� <br />N <br />4-0 <br />C <br />u') <br />0 <br />-E <br />.� <br />co 04 <br />0 <br />O <br />N04 <br />.0 <br />N <br />4 <br />� <br />•- <br />M 04 <br />o <br />Z <br />W <br />Z <br />v <br />E O <br />iri y— <br />c <br />a <br />E <br />U 3Q <br />p <br />JOB <br />NO: <br />22-12353 <br />SCALE : <br />AS NOTED <br />SHEET NO. <br />4 <br />