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3 <br />v <br />S <br />J <br />m <br />00 <br />Opp <br />..d <br />7 <br />N <br />O <br />0 <br />W <br />0 <br />J <br />L0 <br />L0 <br />O <br />N <br />m <br />CO <br />Cr <br />N <br />.Op <br />0 <br />J <br />Lo <br />rO <br />to <br />I <br />M <br />pN <br />d- <br />V <br />Cr <br />C <br />V) <br />CL <br />C <br />Q <br />N <br />N <br />O <br />E <br />F— <br />Q <br />N <br />E <br />0 <br />C <br />J <br />O.. <br />O <br />J <br />N <br />N <br />L[ <br />a <br />0 <br />a_ <br />MV <br />ATTIC VENTILATION CALCULATIONS - 131 <br />ATTIC VENTILATION REQUIRED <br />UPPER VENTILATION PROVIDED <br />11150 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 />ventilation <br />vented <br />be provided <br />Ventilation <br />Ventilation <br />(See Elev ) <br />required <br />eerie <br />needed <br />required <br />soffit <br />by upper <br />needed <br />ventilators <br />Main <br />0 <br />0 <br />Floor <br />30 <br />29 <br />4 <br />14 <br />1 <br />7 <br />0.0 <br />0.0 <br />0.0 <br />(Zone 1) <br />Upper <br />16 <br />2 <br />Floor <br />1820 <br />1747 <br />250 <br />874 <br />62 <br />437 <br />516.0 <br />240.0 <br />276.0 <br />(Zone 2) <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 />ZONE-1 <br />ATTIC SPACE <br />SQ. FT. <br />Attic Ventilation <br />Attic Ventilation to be in compliance with the Florida Building Code 7th Edition <br />(2020) Residential R806. <br />The Minimum net free ventilating area shall be 1/150 of the area of the vented <br />space. The ventilating area may be reduced to 1/300 provided that at least 40% <br />but no more than 50% of the required ventilation is provided in the upper portion of <br />the space to be ventilated. Upper ventilators shall be located no more than 3 feet <br />(measured vertically) below the ridge or highest point of the space, with the <br />balance of the required ventilation provided by eave or cornice vents. <br />**CALCULATIONS BASED ON THE FOLLOWING VALUES, SEE ROOF PLAN** <br />(Values to be verified with Manufacturer Specifications) <br />• OFF -RIDGE VENTS 138 SQ. IN. OF NET FREE AREA / UNIT <br />• SOFFIT VENTS 7 SQ. IN. OF NET FREE AREA / SQ. FT. <br />• STUCCO SOFFIT VENTS - 126 SQ, IN, OF NET FREE AREA / SQ. FT. <br />*If not enough vented soffit is provided due to fire protection, the contractor shall use the <br />following approved vents: <br />• LOMANCO DECK -AIR (Shingle Roof) - 9 SQ. IN. OF NET FREE AREA / FT. <br />**Formula: (Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed) / 9 = Linear Ft. of Deck -Air Needed) <br />ROOF PLAN - ELEV-Bl <br />SCALE: %4"=1'-0" <br />� <br />o <br />® <br />e <br />'a <br />C= <br />CA <br />aj r Cs <br />j E <br />m U w <br />to <br />� 0j <br />w CU <br />a E <br />Ee. <br />M <br />N <br />O <br />N <br />C=) <br />O <br />O <br />a�g���iYeS2p{t°'th`0 <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. Engineers signature and seal is only for <br />the structural engineering portions of the drawing pages bearing <br />Engineer's signature and seal. <br />N <br />W <br />v E N <br />0 <br />4!!42 N <br />4 <br />LLy - CJ <br />J 0 <br />O <br />c <br />Xp <br />�do <br />:5 O <br />� <br />' <br />WW <br />O <br />_ '(O r- fD m d <br />o�co <br />�m ¢ G <br />Z <br />IL <br />a) <br />w_ <br />u7 M z ¢ L 2 <br />,n <br />N Q U to F <br />O U ❑7❑ <br />Z <br />W <br />Uzi <br />V cM <br />N th <br />N <br />�l — <br />tL � <br />N <br />W <br />� o <br />cn 9 <br />w � <br />Il <br />'I�"• <br />U <br />0 <br />w o <br />ws <br />�N <br />� •s <br />U <br />w � <br />~— — E <br />m 8 <br />I <br />i <br />x� <br />i. e <br />s L <br />• <br />i'li ilI'I' <br />ly <br />\J/ y N <br />N <br />Q <br />O <br />ca <br />w <br />c� <br />J <br />z <br />o <br />z <br />� <br />-j <br />!1 <br />zo <br />o <br />zoa <br />EF 8cu <br />Da <br />I— r0_� <br />O C <br />C(a <br />x U <br />a <br />0o <br />O <br />p0 <br />CO <br />Q z <br />w z <br />in <br />¢O <br />Q <br />mO <br />O <br />m J <br />wo <br />n <br />aw <br />g <br />O� <br />U <br />¢ <br />Oi <br />Z <br />O <br />U <br />N <br />A <br />O LL <br />d z <br />as <br />W <br />m <br />j O <br />r <br />~ <br />M <br />W F <br />a 0 <br />d' <br />zIo~ <br />¢TU <br />� <br />0 0 <br />i <br />LO <br />@ <br />�\LO <br />0 <br />CL <br />04 <br />c <br />O <br />m <br />L / <br />T <br />C/) <br />0 <br />fn c) <br />V T <br />QCD <br />N <br />0') <br />00I <br />M <br />o in <br />LS) <br />�Q <br />co d= <br />r <br />m <br />M <br />o <br />z <br />Z <br />E O <br />N <br />I6 <br />ci0 <br />¢ o <br />G <br />JOB <br />NO: <br />23-03655 <br />SCALE : <br />AS NOTED <br />SHEET N0. <br />5 <br />