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I I II I III III In 9ITLWI� <br />pi <br />_ <br />I <br />LO <br />L0 <br />O <br />7 <br />CN <br />O <br />JI <br />0 <br />C7 <br />I <br />PO <br />i <br />LI <br />LO <br />.J <br />0 <br />CD <br />0 <br />0 <br />f <br />hO <br />N <br />Ln <br />CV <br />8 <br />L0 <br />Q-J <br />C <br />C/) <br />C) <br />o` <br />tz <br />Q <br />W) <br />0 <br />v <br />a <br />E <br />F�— <br />E <br />O <br />S <br />0 <br />J <br />a <br />v <br />J <br />N <br />O <br />L <br />u7 <br />45 <br />0 <br />0 <br />6 <br />a <br />N <br />O <br />\ <br />\ <br />ai <br />0 <br />d <br />Z <br />0 <br />0 <br />Q <br />J <br />m <br />0 <br />ATTIC VENTILATION CALCULATIONS - Al <br />Attic Ventilation <br />ATTIC VENTILATION REQUIRED <br />UPPER VENTILATION PROVIDED 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 />o <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 />Provided <br />**CALCULATIONS BASED ON THE FOLLOWING VALUES, SEE ROOF PLAN`* <br />SPACE <br />SQ. IN. of SQ. FT. Total SQ. SQ. FT. SQ. IN. of <br />of vented IN. of of ventilation to <br />by Upper <br />SQ. IN. of SQ. IN. of Ventilators <br />.(Values to be verified with Manufacturer Specifications) <br />. OFF -RIDGE VENTS 138 SQ. IN. OF NET FREE AREA / UNIT <br />ventilation vented be provided <br />soffit ventilation <br />See <br />Ventilation Ventilation ( Elev ) <br />OF NET FREE T <br />e SOFFIT VENTS 7 SQ 1126 <br />required soffit by upper <br />needed required <br />a STUCCO SOFFIT VENTS - SQ. IN. OF NETN. <br />FREE AREA / SO. 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 />1 558.0 <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 />- - - - - - <br />� <br />o <br />T I <br />I <br />co <br />LpI <br />a - <br />I <br />O <br />J <br />I <br />I <br />T <br />U7 I <br />I <br />I <br />9 <br />RIDGE I <br />( <br />I <br />4'-O' RIDGE VENT <br />I I <br />I <br />' I <br />w <br />3'-0' <br />a <br />O I <br />a <br />O <br />U <br />I <br />' <br />N <br />� � <br />I <br />di <br />I ' <br />I <br />RIDGE <br />- <br />11'-0' RIDGE VENT <br />I <br />�\Q <br />ILU <br />L <br />O <br />I 5:12SLSLOPE z <br />F� <br />N <br />I > <br />14'-O' RIDGE VENT <br />O <br />I 0 <br />O <br />cc <br />RIDGE <br />o <br />� <br />I � <br />I <br />I <br />5:12 SLOPE <br />I <br />\� <br />I <br />a <br />/O <br />VJCN <br />I <br />T <br />I <br />All <br />I <br />I <br />ZONE-1 <br />I <br />ATTIC SPACE <br />I <br />2373 SQ. FT. <br />I <br />I <br />0 <br />1'-0 <br />ROOF <br />PLAN - ELEV-Al_ <br />SCALE: %4"=V-0" <br />n'7 <br />N <br />O <br />N <br />Cn <br />Uj <br />Uj <br />1 <br />r; a r'� o <br />o w <br />to <br />N = N t <br />Q � N <br />3 = o x <br />a w <br />Cy c <br />E <br />di <br />� . ca as <br />CL, = <br />co <br />E <br />0 <br />a v <br />M <br />CV <br />O <br />CV <br />CV <br />O <br />. 'i':. <br />T <br />i <br />t c <br />z2.• <br />; �, t� 4 <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 />W <br />Q <br />O E <br />U <br />0 <br />O <br />07 N m <br />ti0� <br />ei <br />i <br />M V <br />C W <br />J LL a- <br />a <br />Y <br />ro C <br />�9 o3 <br />W <br />N (p <br />°. cot: <br />W <br />co °' w <br />ILCIL <br />0 <br />N N Z Q <br />'Z <br />Y <br />O <br />O U <br />Z <br />U <br />W <br />E311 <br />z N M <br />o � <br />o <br />z � � <br />— <br />v) <br />z a <br />(1)0 <br />o <br />- <br />4--+ <br />U_ <br />w <br />N <br />U <br />0 <br />V) <br />W o <br />c <br />c/1 <br />LU <br />w <br />U. 'o N <br />° <br />C CO m <br />�® <br />Q N <br />�� <br />O <br />a <br />M <br />J <br />w <br />Z <br />M <br />J <br />y � <br />O <br />Q <br />LL <br />ad- <br />a <br />zo <br />>M <br />Q o <br />a p <br />E <br />>` V <br />❑F <br />Z <br />z® <br />o a <br />- <br />U o <br />Qo E <br />o< <br />az <br />0a <br />0z <br />Q <br />wo <br />-w <br />CO no <br />6 <br />z= <br />= <br />mo <br />OE <br />2 <br />Ez <br />C7 <br />p <br />LL <br />0 <br />w W <br />T k <br />Ri <br />a ¢ <br />Jz <br />=3 <br />-o <br />o <br />< <br />d <br />wF <br />a <br />zI¢ <br />0 § <br />L LO <br />CA <br />/^\ <br />Fc— <br />L <br />(0 <br />O <br />G <br />CD <br />o <br />� <br />_M <br />'^ <br />v , <br />W <br />m <br />LO <br />r <br />O <br />- N <br />� N <br />�—I <br />d' N <br />L.() <br />Q <br />co LO <br />s— <br />E <br />-E <br />�- <br />C'M <br />to <br />o <br />Z <br />(a <br />Z <br />7 <br />E O <br />N <br />E <br />U <br />n <br />_j <br />Q p <br />JOB <br />NO: <br />23-04909 <br />SCALE : <br />AS NOTED <br />SHEET NO. <br />5 <br />