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J <br />0 <br />0 <br />r4 <br />N <br />I <br />I <br />In <br />0 <br />Cn <br />A <br />CI <br />O <br />I <br />0 <br />WM <br />/ <br />N <br />N <br />O <br />Cr <br />Cn <br />Q <br />C <br />O <br />3 <br />fV- <br />Q <br />N <br />N <br />O <br />CL <br />H <br />Uf <br />O <br />Z <br />O <br />C <br />J <br />d <br />CN <br />v <br />0 <br />J <br />N <br />N <br />O <br />C <br />m <br />c <br />0 <br />CL <br />N <br />N <br />N <br />0 <br />d <br />Z <br />M <br />S <br />0 <br />ATTIC VENTILATION CALCULATIONS - 131 <br />Attic Ventilation <br />ATTIC VENTILATION <br />REQUIRED <br />UPPER VENTILATION <br />PROVIDED <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 />1/150 Rule <br />1/300 Rule <br />Ridge <br />Off -Ridge <br />space. The ventilating area may be reduced to 1/300 provided that at least 40% <br />(No Upper Ventilators <br />(Must Provide Upper Ventilators) <br />Vent Amt <br />Amt. <br />but no more than 50% of the required ventilation is provided in the upper portion i <br />Req.) <br />(Ft.) <br />the space to be ventilated.Upper ventilators shall be located no more than 3 feet <br />Total <br />(measured vertically) below the ridge or highest point of the space, with the <br />Ventilation <br />balance of the required ventilation provided by eave or cornice vents. <br />ATTIC <br />Provided <br />-CALCULATIONS BASED ON THE FOLLOWING VALUES, SEE ROOF PLAN" <br />SPACE <br />SQ. FT. <br />Total SQ. <br />SQ. FT. <br />SQ. IN. of <br />by Upper <br />(Values to be verified with Manufacturer Specifications) <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 />° OFF -RIDGE VENTS 136 SQ. IN. OF NET FREE AREA / UNIT <br />ventilation <br />soffit <br />ventilation <br />vented <br />be provided <br />Ventilation <br />Ventilation <br />(See Elev) <br />° SOFFIT VENTS 7 SQ. IN. OF NET FREE AREA / SQ. FT. <br />required <br />needed <br />required <br />soffit <br />by upper <br />° STUCCO SOFFIT VENTS - 126 SQ. IN. OF NET FREE AREA / SQ. FT <br />needed <br />ventilators <br />'If not enough vented soffit is provided due to fire protection, the contractor shall use If <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 />Main <br />0 <br />0 <br />Floor <br />35 <br />34 <br />5 <br />17 <br />1 <br />8 <br />0.0 <br />0.0 <br />0.0 <br />(Zone 1) <br />Upper <br />g <br />2 <br />Floor <br />1533 <br />1472 <br />210 <br />736 <br />53 <br />368 <br />411.0 <br />135.0 <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 />'-ONE-1 <br />ATTIC SPACE <br />�5 SQ. FT. <br />ROOF PLAN - ELEV-Bl <br />SCALE: %4'=1'-0" <br />c >o <br />E <br />� <br />a. <br />a <br />,a <br />M <br />N <br />O <br />N <br />N <br />O <br />O <br />4;. <br />� <br />• b� <br />To the best of the Engineer's knowledge, information and belief, <br />the structural plans and specifications contained <br />within these <br />drawings comply with the 2020 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 />Engineer's signature and seal. <br />I» <br />W <br />Q <br />E <br />0 <br />N <br />04 CD <br />d � <br />J <br />o <br />iv00 <br /># <br />An0 <br />0 <br />Q <br />yMv� <br />a LL LL <br /># ii <br />aLl W <br />. a <br />n. <br />Z <br />'Ec °' <br />9 <br />W <br />O'@N (fl <br />OMr� <br />o <br />W <br />Z <br />L IL <br />W' 0 <br />Co Z1)Z <br />m J <br />¢ r <br />Z <br />N OU <br />8 <br />W <br />o0 <br />Z <br />QN <br />z p Q <br />`S <br />QU) <br />d <br />N <br />- N <br />C7 <br />z <br />s <br />j� <br />'�� • <br />a-1 C—/> <br />fa W I <br />in M <br />f6 <br />U <br />C) <br />O <br />W <br />V) <br />0:� <br />�N <br />U) <br />U ID <br />LL' <br />® <br />J <br />t <br />Y� <br />U' <br />o <br />c W I— <br />° <br />0 <br />N <br />O <br />J <br />¢ <br />w <br />M <br />w <br />O <br />Z <br />6 <br />� <br />r _ <br />z O <br />} <br />Q N <br />� p <br />E U <br />of <br />Z <br />�� <br />Z® <br />oa <br />(a <br />H f0 <br />ra <br />Ma <br />oc <br />�o <br />o� <br />z <br />to rp <br />z <br />o <br />a z <br />C/J <br />j C <br />az <br />o U <br />mO <br />0 <br />Z F <br />z <br />m J <br />tl1m <br />2 <br />¢w <br />aeO <br />o. <br />�z <br />o <br />W(n <br />� <br />T � <br />°9 <br />az <br />mw <br />m <br />< 0 <br />w <br />�O <br />Jw <br />W r <br />�r <br />-0 <br />Milli <br />ch <br />00 <br />a � <br />v <br />zl <br />3: <br />C O <br />O <br />i <br />'LO <br />r <br />O <br />O <br />/ <br />�^\\ <br />'� <br />Y , <br />G <br />t— <br />(n <br />CN <br />M <br />m <br />L <br />' ^ <br />N <br />Liu I <br />LL M <br />O <br />04 <br />LID <br />It 04 <br />CV <br />Q <br />ch <br />j <br />T <br />ui <br />m <br />''^^ <br />Ii / <br />M <br />iri <br />o <br />Z <br />Z <br />10 E <br />N <br />M <br />E <br />Qj <br />c <br />ci <br />¢ o <br />JOB <br />NO: <br />23-04910 <br />SCALE : <br />AS NOTED <br />SHEET NO. <br />5 <br />