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3 <br />Ln <br />L0 <br />O <br />fN <br />0 <br />0 <br />J <br />LO <br />0 <br />LO <br />Q <br />LC) <br />Ln <br />0 <br />C <br />rn <br />0 <br />0 <br />0 <br />8 <br />0 <br />J <br />L0 <br />0 <br />t <br />N <br />L0 <br />LO <br />L <br />O <br />C!) <br />O <br />rn <br />C <br />3 <br />Qz <br />N <br />=1 <br />CL <br />N <br />E <br />0 <br />S <br />0 <br />J <br />d <br />v <br />0 <br />a> <br />r7 <br />PM <br />O <br />c <br />0 <br />a <br />M <br />0 <br />tD <br />5i <br />v <br />0 <br />Z <br />0 <br />m <br />a <br />ATTIC VENTILATION CALCULATIONS - Al <br />Attic Ventilation <br />ATTIC VENTILATION REQUIRED <br />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 1/300 Rule <br />Off -Ridge Ridge <br />space. The ventilating area may be reduced to 1/300 provided that at least 40% <br />(No Upper Ventilators <br />(Must Provide Upper Ventilators) <br />Vent Amt <br />Amt. <br />but no more than 50% of the required ventilation is provided in the upper portion of <br />Req.) <br />(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 <br />SQ. FT. SQ. IN. <br />Provided <br />**CALCULATIONS BASED ON THE FOLLOWING VALUES, SEE ROOF PLAN** <br />SPACE <br />of <br />SQ. FT. Total SQ. <br />SQ. IN. of of ventilation to <br />by Upper <br />(Values to be verified with Manufacturer Specifications) <br />ventilation of vented IN. of <br />vented be provided <br />SQ. IN. of SQ. IN. of Ventilators <br />(See Elev) <br />- OFF -RIDGE VENTS 138 SQ. IN. OF NET FREE AREA / UNIT <br />- SOFFIT VENTS 7 SQ. IN. OF NET FREE AREA / SQ. FT, <br />required soffit ventilation soffit by upper <br />Ventilation Ventilation <br />needed required <br />- STUCCO SOFFIT VENTS - 126 SQ. IN. OF NET FREE AREA / SQ. FT. <br />needed ventilators <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)! 9 = Linear Ft. of Deck -Air Needed) <br />Main <br />28 1 <br />Floor 2373 <br />2278 325 1139 81 570 <br />558,0 <br />(Zone 1) <br />420.0 138.0 <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 />I <br />o <br />M I <br />Ia- <br />U <br />r <br />I <br />I <br />q I <br />RIDGE <br />I <br />I <br />4'-0' RIDGE VENT <br />I <br />I I <br />0 <br />0 <br />a <br />0 <br />cn <br />J <br />I <br />N <br />I <br />I <br />RIDGE <br />11'-0' RIDGE VENT <br />I <br />\Q <br />WCL <br />0 <br />~ <br />W5:12 <br />SLOPE z <br />F� <br />T <br />� > <br />14'-O' RIDGE VENT <br />U- <br />0 <br />0 <br />RIDGE <br />I <br />I <br />5:12 SLOPE <br />I <br />I \e <br />W <br />I <br />I <br />I <br />I <br />ZONE-1 <br />I <br />I <br />I <br />I <br />I <br />ATTIC SPACE <br />I <br />I <br />2373 SQ. FT. <br />I <br />I <br />I <br />I <br />0 <br />1'-0 <br />ROOF PLAN - ELEV-Al_ <br />SCALE: %4"=l'-0" <br />C1-j <br />cz <br />Cn <br />>— <br />}cu <br />Q <br />c tII M C i <br />to .Sy 6V � <br />N C7 y <br />E.c <br />C:, <br />r� <br />3 <br />d <br />._ a'j %n <br />`O <br />Ld <br />Q <br />N CL <br />c � <br />o <br />a Cj <br />0 <br />M <br />N <br />O <br />N <br />CID <br />N <br />O <br />} <br />_ .. ,"� /•j„ice Tr <br />-'.y Jdf <br />� <br />`r� r ' t <br />�.• ry` iA <br />�u <br />'s.C'j yf ita P'��;4t a <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 />Florida Building Code - <br />Residential 7th Edition. Engineers signature and seal is only for <br />the structural engineering portions of the drawing pages bearing <br />Engineer's signature and seal. <br />0 <br />W <br />QW <br />AE <br />O <br />8 U <br />N O <br />C14 <br />G <br />��0? <br />:3 <br />r n # <br />L <br />M <br />Q <br />13 <br />CL <br />N V <br />C -.1 ILW <br />JtLLL a <br />z <br />y �O o <br />W <br />CV <br />21- <br />Z <br />L IL <br />0 CP . m w <br />Z <br />�, co Q <br />N <br />Z <br />OU v v <br />W <br />c❑ <br />33 M <br />z N M <br />o � <br />z O Q <br />Wur <br />Q W <br />J <br />r <br />M <br />z <br />� o <br />-1 <br />0 <br />LL, a <br />0 <br />U <br />OLLI.,g <br />N <br />� <br />� <br />� � <br />CD <br />Ci <br />W <br />wig <br />J <br />8 <br />I <br />_ <br />U 0 <br />c o <br />- <br />oo <br />Q � � <br />O <br />J <br />W <br />i0 <br />CMJ <br />Z ¢ <br />Z <br />z <br />U- <br />Q 0 <br />E U <br />co <br />20 <br />g <br />0 <br />z <br />>N <br />Z o <br />Z <br />❑a <br />?o <br />p C <br />coo <br />o a <br />z <br />0 <br />z <br />a <br />WIt <br />C <br />�C <br />ao <br />�Sa <br />p U <br />mo <br />oW <br />Z <br />L ! <br />m <br />F <br />Q W <br />0 g <br />O <br />°0 <br />dz <br />W <br />O <br />¢ orn <br />F <br />o� <br />03 <br />F <br />¢ <br />J <br />p <br />w <br />a O <br />v <br />zla <br />o 3 <br />�CD <br />>( <br />J <br />LO <br />�1 <br />\j <br />o <br />_ <br />U <br />N <br />M <br />m <br />, ^ <br />T <br />U) <br />QI0 <br />— N <br />r <br />N <br />-0 <br />Q <br />� (0 <br />Ln <br />T <br />ce) -- <br />r— <br />E <br />g ,u^' <br />'— <br />M <br />Z <br />M <br />Z <br />7 I <br />E O <br />y <br />N <br />E <br />U <br />C <br />a <br />J <br />Q <br />J <br />JOB <br />NO: <br />23-04657 <br />SCALE : <br />AS NOTED <br />SHEET NO. <br />5 <br />A 11I i.. 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