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U, <br />-c <br />S <br />Q <br />o� <br />d' <br />C/ <br />O <br />J� <br />Q <br />C) <br />J <br />Co <br />LO <br />Cfl <br />I <br />N <br />C <br />C/I <br />O <br />O <br />CO <br />J <br />LO <br />O <br />I <br />M <br />a <br />Cn/ <br />0 <br />Y <br />3 <br />F�— <br />Q <br />N <br />N <br />a <br />E <br />�i <br />E <br />0 <br />`o <br />c <br />c <br />o._ <br />0 <br />U <br />N <br />t7 <br />LO <br />L <br />S <br />CL <br />CN <br />0 <br />L <br />d- <br />N <br />0 <br />0 <br />0 <br />m <br />ATTIC VENTILATION CALCULATIONS - Al <br />ATTIC VENTILATION REQUIRED <br />UPPER VENTILATION PROVIDED <br />1/150 Rule <br />Ridge <br />(No Upper Ventilators <br />1/300 Rule <br />Vent Amt <br />Off -Ridge <br />Req.) <br />(Must Provide Upper Ventilators) <br />(Ft.) <br />Amt. <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 />INof <br />SQ. . <br />. . <br />SQINof <br />Ventilators <br />ventilation <br />required <br />soffit <br />ventilation <br />vented <br />soffit <br />be provided <br />by upper <br />Ventilation <br />Ventilation <br />(See Elev ) <br />needed <br />required <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 EAVES/SOFFITS AS <br />REQUIRED BY FLORIDA BUILDING CODE 7TH EDITION (2020) RESIDENTIAL. <br />ROOF PLAN - ELEV-Al <br />SCALE: %4"=V-0" <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 11150 of the area of the vented <br />space. The ventilating area may be reduced to 11300 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 / UNIT <br />• SOFFIT VENTS 7 SQ. IN, OF NET FREE AREA / SQ. FT. <br />• STUCCO SOFFIT VENTS - 126 SQ. IN. OF NET FREE AREA I 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 / FT. <br />**Formula: (Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed)) 9 = Linear Ft, of Deck -Air Needed) <br />04 <br />co04 <br />CD <br />CD <br />CD -c <br />W <br />O _ <br />M <br />c w c N <br />m <br />x <br />rn� LL_ rs° <br />� rss <br />N, p <br />Cj <br />W <br />«ss Q) a� <br />. ca ra <br />��. e <br />ra <br />4') <br />C` > <br />N <br />O <br />N <br />LC-) <br />�O{ <br />O <br />Ti` f R <br />a <br />1' �Po <br />Bl'l1`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 />Resldential 7th Edition. Engineer's <br />signature and seal is only for <br />the structural engineering portions of the drawing pages bearing <br />Engineer's signature and seal. <br />H <br />O E 8 N <br />8 <br />Q <br />N LL <br />iA <br />(n r r�L _- lJL LU <br />fl) <br />a <br />cce) ,t W a a <br />N LL U_ a d z <br />103 <br />J O 0O <br />i O <br />-Z <br />W <br />C) X > O <br />'� m Q <br />�s N. CD <br />J <br />U)�a,rn ¢ 0 z <br />W <br />Z <br />IL <br />IL <br />CZ 6 w <br />M Z U U F <br />z <br />N <br />O U ❑Q❑ <br />Z <br />W <br />M N <br />Z N M <br />z o � <br />a <br />Ln <br />N <br />M <br />V O <br />�W1�, <br />`V <br />CL W � <br />t0 <br />U <br />0 <br />n <br />w o <br />Ln <br />�(V <br />>J � <br />c <br />E <br />R 8 <br />L <br />m I <br />=ice <br />_ :F. N <br />U o <br />¢ 0 <br />• <br />N <br />O <br />� <br />w <br />w <br />M <br />M <br />z ¢ <br />z <br />Z <br />Q <br />LL <br />zo <br />>M <br />0 Q <br />E CJ <br />a <br />wz <br />Z 6 <br />❑d <br />1� CO <br />20 <br />so <br />b <br />< <br />¢ <br />Co <br />n�z <br />0 <br />wZ <br />¢ <br />C/� <br />c <br />-L1 � <br />a z <br />0< <br />O U <br />m O <br />o� <br />Z <br />Q a <br />z Z <br />Hem(./) <br />'S <br />a <br />-z <br />fn w <br />m <br />�3 <br />oz <br />M <br />w� <br />ao <br />0 <br />c Q <br />= <br />L <br />>� <br />'^ <br />L + <br />L <br />o to <br />@ <br />i� <br />Q <br />0 <br />��- <br />CM <br />j <br />C <br />r <br />D(` <br />M <br />m <br />L <br />' ^ <br />V1 , <br />T <br />� <br />fn CIOQI <br />O <br />O <br />� <br />N_ <br />N <br />LO <br />ui <br />w <br />a M <br />CM <br />o <br />z <br />ca <br />z <br />E <br />cc <br />4 <br />E <br />(� J <br />Q O <br />J <br />JOB <br />NO: <br />23-03656 <br />SCALE : <br />AS NOTED <br />SHEET NO. <br />5 <br />