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EXTENDED <br />OVERHANG <br />CENTERED <br />S.GD. <br />ROOF PLAN - B <br />SCALE: 1/4" - I'-0" <br />MAIN ROOF <br />VENT REQUIREMENTS <br />VENTILATION CALCULATIONS <br />ATTIC AREA = 3021 SQ. FT. / 300 = 10.07 SQ. FT. <br />X 144 =1450 SQ. IN. <br />HALF AT UPPER 2/3 ROOF VENTS = 725.04 SQ. IN. <br />LINEAR FEET OF RIDGE VENT = 21 LINEAR FT. <br /># OFF -RIDGE ROOF VENTS REQUIRED = 3 <br />TOTAL SOFFIT VENTILATION NEEDED 104 SQ. FT. <br />VENT CALCULATIONS BASED ON THE FOLLOWING <br />* 138 SQ. IN. PER 4 FOOT OFF RIDGE VENT <br />* 16 SQ. IN. PER LINEAR FT. OF RIDGE VENT <br />* 7 SQ. IN. PER SQUARE FOOT OF SOFFIT VENT <br />G.C. VERIFY QUANTITY OF ROOF / SOFFIT VENTS <br />REQUIRED, PER MANUFACTURER'S SPECIFICATIONS <br />OF NET FREE AREA PER VENT. <br />11.011 <br />TYP. <br />OVERHANG <br />NO.) <br />0 <br />\���►11 I 1111 ///// <br />Q o2v •.,� <br />Din'. IN •���\ <br />�z iCC,% ,4ORIDPlG��\�� <br />NA `I <br />Davis BEws <br />DESIGN GROUP <br />1S0 STATE STREET EAST <br />OI.D6TgAR, FL�OKmA 34677 <br />813. 925.1300 TFL <br />813.9'2.5.1800 FAX <br />W W W.DAVLSBEWS.C.OM <br />Ti�MPA • DEIVVFR <br />--�� ESi'.1994 ���-- <br />Hil _n <br />VORTEX ENGINEERING, LLC. <br />607 S. ALEXANDER ST., SUITE 103 <br />PLANT CITY, FLORIDA 33S63 <br />1.877.6VORTEX (686-7839) <br />COA 28035 <br />PAUL D. KIDWELL, P.E. #52683 <br />DREW1. MEISHEID, P.E. #83217 <br />AABED A. AVEDIKIAN, P.E. #86623 <br />1 HERESY CERTIFY THAT I HAVE REVIEWED THE <br />ATTACHED DESIGN, AND FIND IT TO BE IN COMPLIANCE <br />WITH SECTION R301 OF THE FLORIDA BUILDING CODE, <br />RESIDENTIAL 6TH EDITION (2017). <br />THE ENGINEER HAS NOT REVIEWED THE <br />PRE-ENGINEERED TRUSS MANUF. LAYOUT TO <br />DETERMINE ANY LOAD BEARING CONDITIONS AND <br />RESERVES THE RIGHT TO MAKE ANY CHANGES AFTER <br />TRUSS LOAD INFORMATION IS SUPPLIED TO THE <br />ENGINEER. <br />SEALED FOR STRUCTURE ONLY <br />0 <br />Z �' <br />fV <br />OaL-'O <br />(� M 10 <br />O <br />� M Uhl <br />N O <br />M <br />oC V `L 00 <br />z�� <br />w Wo <br />J <br />t0 <br />'Cr <br />J <br />U) <br />�N <br />za <br />�a <br />r� <br />z 0 <br />�Q�o <br />Zz <br />�0 J <br />u 04 <br />Quo <br />z� <br />�u <br />O J <br />V cn W <br />z zz <br />a� <br />W <br />g � �- ZmZ <br />Q 0000 O ; z <br />�z � N K <br />;�8 <br />J � <br />W W W LW <br />Z gLno <br />'L <br />rn Q� Q n <br />N Z Z o <br />m 00 Z Z <br />0 <br />SCALE : AS NOTED <br />DATE : 4/8/2019 <br />VERSION NO. <br />iso <br />SHEET NO. <br />502 <br />