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79� <br />L0 <br />U-) <br />Ln <br />0 <br />-0 <br />CN <br />C'4 <br />5_4 <br />LO <br />LO <br />Cr <br />V) <br />C:) <br />LO <br />W <br />C' <br />Cr <br />Cn <br />49 <br />C14 <br />E <br />E <br />C-3 <br />0 <br />t= <br />01 <br />C14 <br />C%4 <br />C:- <br />15 <br />p-4 <br />U) <br />ATTIC VENTILATION CALCULATIONS - 131 <br />ATTIC VENTILATION REQUIRED <br />UPPER VENTILATION PROVIDED <br />I /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 />13 <br />3 <br />Floor <br />2276 <br />2185 <br />312 <br />1092 <br />78 <br />546 <br />609.0 <br />195.0 <br />414.0 <br />(Zone 1) <br />"NOTE" <br />GENERAL CONTRACTOR MUST ENSURE THAT PROPER VENTILATION IS PROVIDED AT EAVESISOFFITS AS <br />REQUIRED BY FLORIDA BUILDING CODE 7TH EDITION (2020) RESIDENTIAL. <br />ROOF PLAN - ELEV-Bl <br />SCALE: Y4"=l'-O" <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 I UNIT <br />• SOFFIT VENTS 7 SQ. IN. OF NET FREE AREA I 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 I FT. <br />Formula: (Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed) / 9 = (Linear Ft, of Deck -Air Needed) <br />C=2 <br />CD <br />LLJ <br />cc W C"' <br />C* <br />20 <br />z >< <br />LA- 0- <br />M C= <br />C3 <br />CU <br />C' <br />Cj <br />2 Lj 03 <br />4D <br />C=.= <br />r= <br />M C' <br />tj <br />j�'o W I/NV <br />S F <br />ro <br />r 1"f <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 <br />Florda Building Code - <br />Residential 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 />9) <br />W <br />E <br />8 <br />0 <br />(Am <br />C� <br />LO <br />u7 <br />0 <br />0 <br />r6 <br />Ca LL LL Lu <br />Lu <br />Z <br />m <br />.r- M 9 <br />M C� <br />0 Y, ow <br />W <br />z <br />LL <br />C/) . M <br />L-0 Z� 0 <. <br />M z <br />0 3 '0 <br />z <br />0 Ct) <br />W <br />3, <br />< <br />cl- <br />V) <br />1117rum <br />4--J <br />C—f 3 <br />LU C <br />M <br />0 <br />E <br />LI) <br />U) <br />LU M <br />E <br />C) <br />< 0 <br />04 M <br />7 <br />C:, <br />co <br />Cl) <br />C0 <br />09 <br />z <br />__j <br />LL <br />ce E <br />Q- <br />E <br />-0 <br />z <br />< <br />�@ <br />CU <br />0 <br />00 <br />z <br />C1 <br />C:) E <br />010 <br />C' <br />0, <br />t <br />' <br />W �ii <br />sons <br />C/) C <br />.0 <br />z <br />z <br />Q) <br />.0 <br />j� �� <br />� <br />son <br />< <br />0 <br />z <br />z 0 <br />man <br />0� <br />TW <br />z <br />W <br />Cc, k <br />C <br />.2 C:) <br />E2 <br />LO <br />LO <br />p- <br />F— <br />C) <br />CID <br />N <br />j C� <br />CY) <br />j <br />cr <br />C) <br />CN <br />M <br />L- <br />4- <br />< <br />0 <br />0*) <br />co C'4 <br />C) <br />04 <br />0) <br /><LO <br />E <br />0 <br />z <br />z <br />E <br />4) <br />E <br />0 0 <br />JOB <br />NO: <br />22-12364 <br />SCALE : <br />AS NOTED_ <br />SHEET NO, <br />5 <br />