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rn <br />rn <br />00 <br />00 <br />to <br />L0 <br />N <br />O <br />�p- <br />Cn <br />rn <br />g <br />0 <br />�o- <br />0 <br />A <br />CC'�I <br />NCN <br />LO <br />L0 <br />Cr <br />0 <br />0 <br />O <br />I <br />L0 <br />LO <br />d <br />0 <br />cn� <br />C, <br />0 <br />Q <br />3 <br />4N <br />N <br />O <br />a <br />E <br />H <br />N <br />E <br />0 <br />C <br />Jy <br />QJ <br />LZ <br />E2 <br />O <br />V <br />V <br />U <br />N <br />.o <br />a <br />V <br />rZ <br />L <br />I y <br />Y <br />0 <br />U <br />.55 <br />LZ <br />CN <br />N <br />co <br />0 <br />0 <br />0 <br />Cl- <br />N <br />0 <br />0 <br />Q <br />V1, <br />I <br />KA <br />ATTIC VENTILATION <br />CALCULATIONS <br />-Al <br />- <br />— <br />_F <br />— <br />ATTIC VENTILATION <br />REQUIRED <br />UPPER VENTILATION <br />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 />— <br />-- — — <br />— <br />— Total <br />Ventilation <br />ATTIC <br />Provided <br />SPACE <br />SQ. FT. <br />Total SQ. SQ. FT. SQ. IN. of <br />by Upper <br />SQ. IN. of <br />of vented <br />IN. of of ventilation to <br />SQ. IN. of <br />SQ. IN. of Ventilators <br />ventilation <br />soffit <br />ventilation vented be provided <br />Ventilation <br />Ventilation (See Elev ) <br />required <br />needed <br />required soffit by upper <br />needed ventilators <br />Main <br />0.0 <br />0.0 <br />Floor <br />16 <br />15 2 <br />8 1 4 <br />0.0 <br />(Zone 1) <br />0.0 <br />0.0 <br />Main <br />4.0 <br />2.0_ <br />Floor <br />1080 <br />1037 148 <br />518 37 259 <br />336.0 <br />(Zone 2) <br />60.0 <br />276.0 <br />Upper <br />20.0 <br />0.0 <br />Floor <br />1166 <br />1119 160 <br />560 40 280 <br />300.0 <br />(Zone 3) <br />_ <br />300.0 <br />0.0 <br />" NOTE'" <br />GENERAL <br />CONTRACTOR <br />MUST ENSURE THAT <br />PROPER VENTILATION IS PROVIDED <br />AT EAVES/SOFFITS <br />AS <br />REQUIRED <br />BY FLORIDA <br />BUILDING CODE 7TH <br />EDITION (2020) RESIDENTIAL. <br />ZONE-1 <br />ATTIC SPACE <br />16 SQ. FT. <br />ROOF PLAN - ELEV-Al <br />SCALE: %4"=1'-0" <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 SO. 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 />Fo mula: (Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed) / 9 = (Linear Ft. of Deck -Air Needed) <br />c� <br />c•� <br />C"+d <br />+J <br />o L <br />c G._ <br />C <br />_E ,L � <br />n is r <br />C O <br />Qf 3 "' <br />u <br />y o <br />= d co >. <br />7 cr- uS3 <br />Cn <br />C1. U <br />w <br />rl <br />f � F' s <br />�� � <br />N <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 />Flonda Building Code - <br />Residential 7th Edition. Engineers signature and seal is only for <br />the structural engineering portions of the drawing pages bearing <br />Engineers signature and seal. <br />o 8 <br />t• • 0)0 <br />N rT <br />QC7 N n <br />7 1A -0N r <br />." .i •. H <br />n r ik <br />M 7T 2S 4k LL <br />�u-u� 2 w w <br />a S2 <br />c ° �s <br />t m <br />W <br />ry N <br />rn rn <br />W <br />r° m w <br />z <br />LL <br />- N 0 d J <br />0 <br />0v <br />Z <br />_ W <br />❑ ❑ <br />m <br />J <br />Q <br />_J <br />7 <br />�-1 <br />� o <br />0 <br />� <br />4-1 <br />cn <br />w c <br />O <br />U <br />O <br />C) <br />— � <br />o <br />INI^ <br />�vI <br />w <br />C N <br />~ <br />U� <br />U'o <br />o <br />cfl <br />a <br />z <br />- -I <br />ll <br />E <br />y ty <br />E O <br />n� <br />EC <br />Q <br />Q) <br />•`� `o <br />m 5 <br />� <br />n <br />z <br />J <br />Q) <br />g� <br />W <br />Q� <br />T <br />(� <br />ws <br />10 <br />; � <br />Z <br />O <br />OCID <br />0 <br />411Ln <br />J <br />N <br />co <br />0) <br />CID <br />C) <br />C <br />j CD <br />co <br />0 <br />Cr <br />o <br />CN <br />W <br />m <br />LO <br />T <br />+� <br />0) <br />C7 N <br />ai <br />LO <br />00 <br />CV <br />Q <br />rn N <br />LO <br />a� <br />T <br />C0 CV <br />o <br />Z <br />E Q <br />w <br />CD <br />`m <br />C <br />a <br />E <br />0 _j <br />m <br />Q o <br />°; <br />JOB <br />NO: <br />22-09414 <br />SCALE : <br />AS NOTED <br />SHEET NO. <br />5.0 <br />