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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. of <br />of <br />ventilation to <br />SQ. IN. of <br />SQ. IN. of <br />Ventilators <br />ventilation <br />soffit <br />ventilation <br />vented <br />be provided <br />Ventilation <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 - A <br />SCALE: Y4 1 '-o° <br />e� <br />N <br />® <br />N a <br />as <br />w o L <br />cn c.r se <br />3 � � <br />d <br />L <br />aA <br />� <br />C E <br />Cc a <br />� ca <br />L <br />a <br />iIt! ?, <br />` �w. <br />h� <br />6j. <br />ti'4�+a <br />z <br />ai <br />�` � <br />rn F•a 1"'t <br />To the best of the Engineers knowledge, information and belief, <br />the structural <br />plans and specifications contained within these <br />drawings comply with the 2020 <br />Florida Building Code - <br />Residential <br />7th Edition. Engineer's signature and seal is only for <br />the structural engineering portions of the drawing pages bearing <br />Engineers <br />signature and seal. <br />W <br />h <br />Q <br />v <br />o E <br />co 8 <br />O N <br />a <br />12 <br />i <br />� <br />0 <br />C <br />� <br />(a <br />��°0 N <br />U)r•t�_: <br />N <br />NCDit LL <br />ro <br />J LL LL d <br />a� <br />V <br />Z <br />13 <br />W <br />'O Y <br />c d <br />c <br />F <br />c x <br />L <br />Y °o O <br />N <br />W <br />c0 <br />o 2 r- rn 0 <br />,( ay <br />W <br />Z <br />U5 m <br />m 0 Q <br />z <br />N <br />OIL U O <br />111- W <br />U <br />.w"� <br />El El <br />M M <br />N M <br />O � <br />z N <br />Q <br />Q p Q <br />_J <br />Oe � <br />I ^ <br />M <br />W <br />✓ O <br />LL <br />T <br />Uj <br />0 <br />,N <br />LLj o <br />� w <br />t— rn <br />U N <br />C <br />i1 P <br />•,� <br />J <br />— Epp <br />C3 O 0 <br />401 <br />� <br />� <br />O <br />J <br />u <br />� <br />M <br />M <br />J <br />O <br />O <br />o <br />Z <br />z <br />z <br />Q <br />� <br />Il <br />CIS E <br />g ® <br />� <br />z <br />aF <br />1z <br />> M <br />ZO <br />od <br />F- ra <br />a <br />- o <br />E0 <br />0� <br />o <br />z <br />N to <br />c <br />C: <br />¢ o <br />m 0 <br />0. <br />g o <br />W <br />cr) <br />CD <br />o <br />w LL <br />¢ O <br />d z <br />H <br />az <br />z <br />3 <br />J <br />o <br />wa�o <br />.0 <br />V <br />zTQ <br />IQ <br />a <br />0 <br />i <br />M <br />J <br />Grn <br />m <br />C9 <br />N <br />T <br />=3 r <br />C4 <br />Cr <br />>, <br />r <br />Q <br />U <br />(n <br />`° <br />N^ <br />m <br />L <br />~ <br />0 <br />N <br />o <br />.S] <br />a) O <br />Ln <br />N <br />Q <br />cl <br />r <br />(0 <br />M <br />Z <br />CN <br />M T_ <br />o <br />z <br />� <br />LO <br />Z <br />E T <br />: <br />m <br />c <br />m <br />a <br />U � <br />a <br />Q p <br />c <br />W <br />JOB <br />NO: <br />23-06108 <br />SCALE : <br />AS NOTED <br />SHEET NO. <br />4 <br />