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on <br />-v <br />LO <br />Z <br />m <br />rn <br />LO <br />L <br />v <br />Co/') O <br />J <br />L0 <br />I <br />to <br />2 <br />L0 <br />L <br />O <br />co <br />6 <br />9 <br />rh <br />LL7 <br />v <br />CCr <br />0 <br />C <br />4 <br />Q <br />N <br />O <br />d <br />E <br />H <br />C� <br />G <br />0 <br />v` <br />c <br />c <br />d: <br />0 <br />0 <br />J <br />N <br />ti <br />N <br />N <br />CD <br />d <br />v <br />0 <br />0 <br />a <br />N <br />N <br />c\D <br />O <br />z <br />C) <br />0 <br />0 <br />m <br />V) <br />ATTIC VENTILATION CALCULATIONS - 131 <br />ATTIC VENTILATION REQUIRED <br />UPPER VENTILATION PROVIDED <br />1/150 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 EAVES/SOFFITS AS <br />REQUIRED BY FLORIDA BUILDING CODE 7TH EDITION (2020) RESIDENTIAL. <br />ROOF PLAN - ELEV-Bl_ <br />SCALE: %4"=1'-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 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 / UNIT <br />• SOFFIT VENTS 7 SQ. IN. OF NET FREE AREA / 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 / FT. <br />**Formula: (Sq. Ft. Soffit Needed) x 7 = (Sq. In. Needed) 19 = Linear Ft. of Deck -Air Needed) <br />N <br />C= <br />N <br />Cz <br />w <br />c <br />Li,y�y�© <br />e c v M <br />`2 w ® a <br />�L CV <br />m =L a m <br />... c <br />ca � Q <br />3 i <br />is m a/ sa <br />cu c® <br />cu <br />1O <br />L <br />CD <br />M <br />N <br />O <br />N <br />to <br />N <br />V <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. 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 />M <br />W11- <br />QCD <br />.O E <br />coU <br />,i <br />V <br />® <br />N N T o <br />W C N n <br />00 <br />W <br />LO V7 4� <br />r ti . J <br />Q <br />cc') LL <br />C J LL <br />LL Lu <br />LL a <br />rn <br />Z <br />LU <br />— O C � `- a Y <br />N VJ <br />7 M N (O Y <br />W <br />w <br />W <br />Z <br />IL <br />05�pj6' m <br />L0 N z Q <br />N <br />O <br />Z <br />OU <br />N <br />O O <br />� <br />QaN <br />Q � <br />J <br />a- N <br />t� <br />— N <br />z'n a <br />1/ <br />(1(0 <br />V O <br />1 ' <br />E: <br />W <br />N <br />ass <br />'0 <br />� V7 <br />U N <br />c <br />LU <br />E <br />N <br />) m <br />• <br />O <br />w <br />c0 <br />M <br />Z 3 <br />o > <br />z <br />a <br />� <br />c, E <br />a p <br />E V <br />zo <br />�� <br />❑� <br />z <br />rN <br />a <br />zz® <br />oa <br />F— r6 <br />i� <br />00 <br />Oo <br />p <br />'0 <br />O <br />Cc)z <br />It <br />wOQ <br />� z <br />�� <br />Cn <br />Q <br />1z <br />m0 <br />Q ll <br />z 0 <br />N 9 <br />A 7 <br />2) 9 <br />az <br />r <br />C) <br />M <br />- <br />m <br />s � <br />- <br />ct <br />OIds <br />O <br />C O <br />i <br />(D ^ <br />> (S/ <br />/� ' <br />L <br />LO <br />Q <br />(ca <br />7 <br />O <br />Cr <br />U <br />M <br />C6 <br />/L) <br />Q <br />M <br />I <br />o (� <br />C:) <br />LL <br />M CO <br />LO <br />T <br />CY) � <br />r <br />M <br />o <br />N <br />z <br />E <br />E O <br />y <br />� <br />(`u <br />E <br />LL <br />Ci J <br />¢ o <br />J <br />JOB <br />NO: <br />23-04658 <br />SCALE : <br />AS NOTED <br />SHEET NO. <br />5 <br />