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3 <br />J <br />DO <br />un <br />co <br />C) <br />rh <br />LO <br />LO <br />v <br />v- <br />cn <br />0 <br />0 <br />J <br />CMEs <br />N <br />0 <br />I <br />N <br />Ln <br />cc) <br />M <br />LO <br />v <br />c <br />Q <br />0 <br />J <br />COD <br />N <br />O <br />I <br />N <br />LC) <br />Lf7 <br />ID <br />v <br />r <br />N <br />H <br />Q <br />rh <br />O <br />C <br />E <br />1— <br />E <br />J <br />y <br />d <br />ti <br />O <br />U <br />v <br />0 <br />-o <br />rz <br />a <br />0 <br />C <br />U <br />J <br />N <br />r7 <br />N <br />O <br />Jj <br />0 <br />0 <br />a <br />r+� <br />GV <br />O <br />CV <br />M <br />0 <br />0 <br />W <br />m <br />'v <br />on <br />ATTIC VENTILATION CALCULATIONS - B1 <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 <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 80. 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)19 = Linear Ft. of peck -Air Needed) <br />MA'S 112023 <br />\/_ A <br />Virtual Review Assist, Inc. <br />Plans Review completed and app <br />to compliance with the 2020 FBC 7th Edition <br />by Debra Anne Klahr PX2300 <br />ROOF PLAN - ELEV-Bl <br />SCALE: r4"=1'-0" <br />M <br />CV <br />O <br />N <br />CID <br />M <br />O <br />f40 PE7 50�' z <br />X S-r,A..f E. nF o r: <br />per.. <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 Florida Building Code - <br />Residential 7th Edition. 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