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v+ <br />3c <br />'o <br />m <br />an <br />N <br />S <br />rn <br />f` <br />0 <br />O <br />COO <br />00 <br />I <br />O <br />m <br />C <br />W7 <br />00 <br />O <br />J <br />0 <br />I <br />N <br />v <br />v <br />Q� <br />Y-39 <br />Q <br />N <br />O <br />v <br />d <br />F�— <br />N <br />E <br />2 <br />O <br />J <br />y <br />a> <br />LZ <br />E2 <br />U <br />O <br />O <br />C-)I <br />.o <br />i <br />a <br />c <br />O <br />v <br />0 <br />Lz: <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 <br />a <br />N <br />0 <br />rn <br />0 <br />3 <br />0 <br />m <br />v <br />N <br />ATTIC VENTILATION CALCULATIONS - B1 (TRB <br />ATTIC VENTILATION REQUIRED <br />UPPER VENTILATION PROVIDED <br />1/150 Rule <br />1l300 Rule <br />Ridge <br />Off -Ridge <br />(No Upper Ventilators <br />(Must Provide Upper Ventilators) <br />Vent Am t <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 />I <br />Main <br />22.00000 <br />2.000000 <br />Floor <br />1999 <br />1919 <br />274 <br />960 <br />69 <br />480 <br />0 <br />606.0 <br />330.0 <br />276.0 <br />(Zone 1) <br />"NOTE" <br />GENERAL CONTRACTOR MUST ENSURE THAT PROPER VENTILATION IS PROVIDED AT EAVES/SOFFITS AS <br />REQUIRED BY FBC 6th ED. RESIDENTIAL. <br />ROOF PLAN - ELEV-B1 <br />SCALE: %4'=V-0" <br />Attic Ventilation <br />Attic Ventilation to be in compliance with the Florida Building Code 5th Edition <br />(2017) 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 />• RIDGE VENTS 15 SQ. IN. OF NET FREE AREA / LINEAR FT. <br />• OFF -RIDGE VENTS 138 SQ. IN. OF NET FREE AREA / UNIT <br />• SOFFIT VENTS 7 SQ. IN. OF NET FREE AREA / SO. FT. <br />d <br />✓ <br />LU <br />f ��IL <br />1 � , <br />NN <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 2017 <br />Florida Building Code - <br />Residential 6th Edition. Engineer`s <br />signature and seal is only for <br />the structural engineering portions <br />of the drawing pages bearing <br />Engineer's signature and seal. <br />W <br />Q <br />m <br />O O N - Oro <br />CJ N i! <br />C <br />J <br />a) 00 LL <br />iz i J as W <br />'6 <br />LL J m <br />r U) <br />M <br />Lo0L <br />j <br />�MaW <br />LL aZ <br />WO5m:3 <br />JQ <br />OZ 'Fa <br />e O x <br />I- m o O <br />Oi <br />� m <br />�W <br />LL <br />OZo�Z <br />3 <br />cOUra 71 <br />U <br />Z N (h <br />O p <br />z CO <br />Ia <br />O <br />J � <br />W <br />N <br />r <br />� <br />V ! <br />z V <br />CD <br />) <br />O <br />LL <br />4-1 <br />U'7 <br />� m <br />w0 y <br />U <br />O <br />U c <br />w <br />m o <br />i <br />o <br />U 'o <br />U) <br />Q c <br />W <br />\�N <br />O <br />J <br />K <br />M <br />Ch <br />¢ <br />z <br />z <br />.J <br />LL <br />Q I= <br />v <br />zo <br />wz <br />>o <br />? <br />Z <br />V <br />ca <br />O E <br />Oro <br />¢U <br />pa <br />ao <br />z0 <br />w <br />U¢ <br />O¢ <br />az <br />N i <br />¢o <br />J <br />. r0 <br />W. <br />U <br />10 <br />m0 <br />O <br />Ott <br />r <br />z <br />J <br />m <br />Q W <br />ZZ <br />dl <br />8 a <br />z0 <br />T <br />2< <br />wLL <br />az <br />0 <br />�w <br />W <br />T 3 <br />U <br />Q E <br />a� <br />F F <br />3 <br />�O <br />So <br />O <br />w¢ <br />i< <br />a <br />OU3 <br />C <br />o <br />N <br />T <br />y <br />>M <br />�L1 <br />W <br />'— <br />rr <br />M <br />W m <br />o <br />N <br />e'er <br />O O <br />04 <br />r <br />U) <br />TT <br />LO <br />r <br />1 M <br />N n <br />T_ <br />N <br />T <br />o <br />Z <br />m <br />Z <br />=3 <br />E 10 <br />N <br />c <br />@ <br />a <br />U J <br />0 4 <br />Q 0 <br />c <br />JOB <br />NO: <br />20-8069 <br />SCALE : <br />AS NOTED <br />SHEET NO. <br />5 <br />