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I <br />C" <br />L0 <br />Ul <br />:19 <br />Q <br />�1 <br />141) <br />C14 <br />r <br />LO <br />LO <br />211 <br />LO <br />1.0 <br />C I <br />CN <br />CD <br />r-L <br />E <br />10 <br />-2 <br />LZ <br />E <br />—0 <br />01 <br />C*4 <br />C�' <br />C14 <br />C, <br />I <br />C <br />2 <br />ATTIC VENTILATION CALCULATIONS - Al <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 />(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 />55 <br />53 <br />8 <br />26 <br />2 <br />13 <br />0.0 <br />0.0 <br />0.0 <br />(Zone 1) <br />Upper <br />16 <br />2 <br />Floor <br />1826 <br />1753 <br />250 <br />876 <br />63 <br />438 <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 />)NE-1 <br />-TIC SPACE <br />SQ. FT. <br />Aftic 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 SO. 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 />e LOMANCO DECK -AIR (Shingle RoofI - 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-Al <br />SCALE: Y4"=l'-O" <br />Cn <br />C44 <br />R j' <br />Go <br />7 <br />IX <br />C= <br />tic <br />CID <br />r <br />CU <br />03 .0 <br />tz W <br />cc: <br />E <br />(D WA, <br />D WIV <br />F Lo�' <br />\"'7 <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 Florda Building Code - <br />Residential 7th Edition. Engineer's signature and sea[ is only for <br />the structural engineering portions of the drawing pages bearing <br />Engineer's signature and seal. <br />1A <br />W <br />E <br />8 <br />C� <br />6 <br />0 AON — M- <br />IA <br />:3 U) <br />N C, <br />61 <br />e ! <br />14 . -, u. uj <br />LL <br />I M LL <br />U-j <br />z <br />'0 <br />C3 <br />M C� <br />W 1, <br />CO 0 <br />L0 Cl) Z <br />IL <br />a C14 <br />z U (0 <br />2, <br />V) <br />(D <br />Q) 1=2 <br />4—J - <br />M <br />52 <br />U <br />0 <br />LU <br />�w <br />E <br />Rig 2 8 <br />C"'.5 <br />C-71 <br />2 <br />z <br />U_ <br />g F= <br />g '0 <br />z< <br />E L 0 <br />uj I <br />z <br />'@ <br />o <br />ra <br />c=, E <br />m 0 <br />ff <br />u 0 <br />0 <br />ro <br />It <br />� <br />'z <br />< <br />- I <br />- z <br />w <br />ro <br />,c:F C <br />z <br />'0 <br />I , <br />0, <br />z <br />w <br />, <br />z <br /><. <br />lo <br />zz <br />0 <br />W <br />C/;, <br />z <br />M <br />< <br />o <br />zi< <br />C) <br />M <br />LO <br />LO <br />CN <br />C:) <br />Ln <br />0 <br />M <br />CN <br />CD <br />C) <br />Lo <br />00 <br />LL CN <br />Lr) (N <br />LO <br />C) <br />CV) <br />< 00 <br />It <br />E <br />ce) <br />CN <br />0 <br />z <br />E N T <br />M <br />r_ <br />13 <br />FL <br />E �-; "a <br />0 0 '0 <br />U _j < — —_ a - <br />r_ <br />r_ <br />0 <br />_j <br />JOB <br />NO: 23-00516 <br />SCALE AS NOTED <br />SHEE7 NO. <br />5 <br />