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- I I I I — I I I I I — I 1 11 1 1 j I . I I I I I I I L I I I N11I 11 1 1 1 <br />an <br />L0 <br />L0 <br />rr <br />V) <br />:t:; <br />0 <br />c14 <br />C:) <br />cc) <br />r') <br />C14 <br />CD <br />Of <br />Ln <br />C:) <br />C14 <br />C) <br />cc) <br />11) <br />c"'! <br />C3 <br />L9 <br />U-) <br />Cr <br />C' <br />C14 <br />C14 <br />E <br />E <br />C, <br />0 <br />C' <br />CD <br />LZ <br />0 <br />C 1 0 <br />-2 <br />.2 <br />0 <br />0 <br />Lz: <br />C14 <br />04 <br />C-4 <br />C:3 <br />z <br />CL <br />C14 <br />C14 <br />C� <br />C14 <br />C�4 <br />C14 <br />ATTIC VENTILATION CALCULATIONS - 131 <br />Attic Ventilation <br />ATTIC VENTILATION REQUIRED UPPER VENTILATION 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 Ridge <br />1/300 Rule Off -Ridge <br />space. The ventilating area may be reduced to 1/300 provided that at least 40% <br />(No Upper Ventilators Vent Amt <br />(Must Provide Upper Ventilators) Amt. <br />but no more than 50% of the required ventilation is provided in the upper portion of <br />Req.) (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 Provided <br />SPACE Total SQ. SQ. FT. SQ. IN. of by Upper <br />—CALCULATIONS BASED ON THE FOLLOWING VALUES, SEE ROOF PLAN** <br />SQ. FT. <br />SQ. N. of of ventilation to Ventilators <br />(Values to be verified with Manufacturer Specifications) <br />ventillation of vented IN. of vented be provided SQ. IN. of SQ. IN. of (See Elev) <br />. OFF -RIDGE VENTS 138 SQ. IN. OF NET FREE AREA I UNIT <br />required soffit ventilation soffit by upper Ventilation Ventilation <br />* SOFFIT VENTS 7 SQ. IN. OF NET FREE AREA / SQ. FT. <br />needed required needed ventilators <br />0 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 />9 LOMANCO DECK -AIR (Shingle Roo� - 9 SQ. IN. OF NET FREE AREA / FT. <br />Main 1 22 2 <br />(Sq. Ft. Soffit Needed) x 7 (Sq. In. Needed) 9 (Linear Ft. of Deck -Air Needed) <br />Floor 1999 1919 274 960 69 480 606.0 <br />(Zone 1) 330.0 276 . 0 <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 />LA <br />0 <br />U) <br />C14 <br />7 <br />LO <br />T-O" L <br />z <br />u- <br />0 <br />ZONE-1 0 <br />x <br />9 <br />;T <br />ATTIC SPACE ;= U <br />RIDGE <br />i:12 SLOPE <br />C? I <br />1- <br />z <br />1999 SQ. FT. uj <br />4'-0" RIDGE VENT <br />5:12 SL24 <br />> <br />u- <br />0 <br />0 <br />0 <br />U) <br />9 <br />LO <br />RIDGE <br />18'-0" RIDGE VENT <br />Lu <br />CL <br />0 <br />Lu <br />R. <br />0- <br />0 <br />X <br />04 <br />Lr+ <br />ROOF PLAN ELEV-Bl_ <br />SCALE: Y4" = 1 '-0" <br />-0 <br />(1) = 0 <br />> r-- '-7) <br />4= <br />-0 C' <br />715 <br />C=)- <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 />Florida Building Code - <br />Residential <br />7th Edition. Engineers signature and seal is only for <br />the structural engineering portions of the drawing pages bearing <br />Engineers <br />signature and seal. <br />W <br />E <br />R <br />0 <br />0 <br />.2 LU <br />0 it <br />r-- P�. - Lu <br />C4 0 U. CL <br />M LL LL 'L u, <br />z <br />0 <br />— <br />= M C) I­ <br />C� ir 0 <br />cl, <br />LL <br />( 0 M < <br />cc z -j <br />'n 04 W Ln 0 <br />04 C0 < < =) C-) <br />U) <br />z <br />0 -i <br />CD <br />0 <br />< <br />E3 <br />V) <br />a X <br />P <br />d <br />�2 V <br />5 <br />M <br />U di <br />E <br />8 <br />8 <br />0-1 <br />C13 <br />co <br />0 <br />z <br />z <br />< <br />E <br />E <br />55 <br />'0 <br />z <br />0 <br />L) <br />2 <br />00 <br />E <br />0 <br />z <br />< <br />z <br />=3 no <br />< <br />01< ' <br />'0 <br />10 x <br />1 <br />z <br />C <br />0 '� <br />z <br />< W <br />2. <br />z <br />012 <br />I <br />n 0 <br />2 <br /><0 <br />I <br />-Z <br />0 <br />C:) <br />'IT <br />Z11 <br />< <br />Lo <br />LO <br />cn <br />M <br />M <br />CD <br />N <br />C) <br />U) <br />Co <br />M <br />< <br />0 <br />C"j <br />04 <br />C) <br />Lo <br />LO <br />LO <br />C\1 <br />04 <br />4) <br />E <br />co <br />6 <br />z <br />M <br />z <br />E C) <br />C <br />E <br />0 0 <br />'D <br />< <br />JOB <br />NO: <br />22-02383 <br />SCALE : <br />AS NOTED_ <br />SHEET NO. <br />5 <br />