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ATTIC VENTILATION CALCULATIONS - B <br />ATTIC VENTILATION REQUIRED UPPER VENTILATION PROVIDED <br />1/150 Rule 1/300 Rule Ridge Off -Ridge <br />(No Upper Ventilators (Must Provide Upper Ventilators) Vent Amt Amt. <br />Req.) (Ft.) Tm.1 <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 />SO IN of <br />of vented <br />IN. of <br />of <br />ventilation to <br />SQ. IN. of <br />SQ. IN. of <br />Ventilators <br />vJn'tilaiion <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 0.0 1.0 <br />Floor 316 303 43 152 11 76 --- -,- --- 138.0 <br />(Zone 1 0.0 138.0 <br />Upper 10.0 1.0 <br />Floor 1170 1123 160 562 40 281 288.0 <br />(Zone 2) 150.0 138.0 <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—B <br />SCALE: Y4"=1'-O" <br />CW14 <br />C= <br />=W c= <br />21 <br />WE <br />90 <br />C-4 <br />< <br />LU <br />7'. <br />To the best of the Engineers 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. Engineers signature and seat is only for <br />the structural engineering portions of the drawing pages bearing <br />Engineers signature and seat. <br />0) <br />W <br />11- <br />8 E S <br />Cc, M <br />C� <br />0 <br />0 <br />N CD IL �.j <br />cc <br />LL <br />z <br />13 <br />M LL <br />:� .6 — f zo <br />'a r 0) <br />= W 8 0 <br />I% <br />a: <br />0 <br />W <br />W <br />P'C4Z6 <br />2 -;; -� <br />T.-, z <br />i <br />LL <br />M <br />0�: <br />co z x <br />0 <br />N <br />< <br />d L) I I <br />z <br />W <br />< <br />LL <br />4—J <br />LIJ <br />M A. <br />—LLj <br />0 <br />V) <br />W <br />L=U <br />E <br />8 <br />U <br />M <br />gz <br />E <br />E <br />-5 <br />C <br />z <br />02 <br />0 <br />z <br />.j <br />a` <br />ok <br />U <br />.2 0 <br />124 <br />X <br />0 <br />CN <br />co LO <br />Ir— <br />:3 T--- <br />LO <br />loll,% <br />< <br />Cr <br />CO <br />.2 <br />F- <br />M <br />L0 <br />CY) <br />04 <br />0 <br />0) <br />0 <br />d <br />LO <br />4i <br />E <br />co <br />C1 CV) <br />0 <br />z <br />z <br />E r— <br />E <br />Ch <br />0 <br />JOB <br />NO <br />23-06107 <br />SCALE : <br />AS NOTED <br />SHEET NO. <br />4 <br />