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EXTENDED <br />OVERHANG <br />CENTERED <br />&GD. <br />ROOF PLAN - B <br />SCALE: 1/4" - P-0" <br />MAIN ROOF <br />VENT REQUIREMENTS <br />������� <br />VENTILATION CALCULATIONS <br />ATTIC AREA 3021 SQ. FT. / 300 - 10.07 SQ. FT. <br />``�`'��L ...,•• <br />,. <br />X 144 =1450 SQ. IN. <br />�; c-j <br />o <br />- <br />�;J= <br />HALF AT UPPER 2/3 ROOF VENTS = 725.04 SQ. IN. <br />.SW <br />O �> Z <br />rQ= <br />LINEAR FEET OF RIDGE VENT = 21 LINEAR FT. <br />'�,�i6;•• . <br />' `��.` <br /># OFF -RIDGE ROOF VENTS REQUIRED = 3 <br />PR <br />'�lo iI <br />TOTAL SOFFIT VENTILATION NEEDED 104 SQ. FT. <br />fill <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 />II-0" <br />TYR <br />OVERHANG <br />(uxo) <br />DAMS BEWS <br />DESIGN GROUP <br />lso sTA�I-e sTR�el' F.nsr <br />ol�vtnR, R.oRron �n <br />813. 925. L300 TEL <br />813 . 92S . 1800 FAX <br />W W W.DAVISBEWS.CAM <br />TAMPA • DENVER <br />-� FST. 1994 � <br />_r <br />VORTEX ENGINEERING, I.I.C. <br />607 S. ALEXANDER ST., SUITE 103 <br />PLANT CITY, FLORIDA 33563 <br />813.704.4842 <br />COA 28035 <br />PA D. KIDWELL, P.E. #52683 <br />ANDREWI. MEISHEID, P.E. #83217 <br />I HEREBY 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 N <br />O � O <br />H M O <br />O��LLn <br />It <br />L U- <br />Q <br />Q U ao <br />Z <br />w wo <br />J C <br />d' <br />OZ <br />i0 <br />w� <br />�a <br />FQ- <br />�+zdoaCcr <br />rz00 <br />zUZ2 <br />C70�Z <br />LU <br />of 0 o <br />omLu <br />z z <br />r8 <br />o �Z <br />Z a <br />Lu <br />O <br />U Ln oc <br />Z Boa <br />a <br />0Wo <br />�2 <br />C' UWor <br />� �.�. 0 LL <br />2 0 <br />o Iy H <br />O �rYF- <br />F-�j�0 <br />Z <br />O W <br />z � (V �;�5 <br />Lu Ln N �ZZ <br />�0< <br />W W wZ <br />Lu <br />N z z�° <br />00 Z Z J " <br />o �'1:5 g a o <br />n m a 0- <br />SCALE : AS NOTED <br />DATE : 2/ 12/2019 <br />VERSION NO. <br />loo <br />SHEET NO. <br />502 <br />