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EXTENDED <br />OVERHANG <br />CENTERED <br />561). <br />ROOF PLAN - B <br />SCALE: 1/4" = P-m" <br />MAIN ROOF <br />VENT REQUIREMENTS <br />VENTILATION CALCULATIONS <br />ATTIC AREA = 3240 SQ. FT. / 300 = 10.80 SQ. FT. <br />X 144 = 1555 SQ. IN. <br />HALF AT UPPER 2/3 ROOF VENTS = 777.60 SQ. IN. <br />LINEAR FEET OF RIDGE VENT = 12 LINEAR FT. <br /># OFF -RIDGE ROOF VENTS REQUIRED = 5 <br />TOTAL SOFFIT VENTILATION NEEDED 112 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 />1'-011 <br />TYR <br />OVERHANG <br />(uxo) <br />BEws <br />DESIGN GROVP <br />15o srA-rE sT�r �sr <br />O1.DfiMAR, HARmA 346T7 <br />813 . 925.1300 TEL <br />813.925.1800 FAX <br />W W WDAVLSBEVI�S.C.oM <br />TAMI'A • DENVER <br />EST. 1994 <br />III III <br />oil 11111 <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 />PAUL D. KIDWELL, P.E. #52683 <br />ANDREW J. MEISHEID, P.E. #83217 <br />1 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 />R <br />0 <br />0 <br />Z N <br />O Nr, <br />ur)In0 <br />M <br />Q 1) M Ln <br />ILL <br />a' U Q `0 <br />Q � <br />z§ E� <br />w to <br />oZ <br />W° <br />Za <br />F� <br />LLJ <br />ZOO <br />Zww� <br />0 w Z <br />� W <br />OppraC Ce LL LLo <br />c04 <br />oLLJ <br />Zz <br />r8 <br />o �W <br />UI <br />L j H <br />O J <br />U cn °o <br />ZluY� <br />w <br />� a <br />^ a <br />uz <br />Nzo <br />O I..L. ZQ <br />LNA L Lu <br /><3 <br />N a <br />00 O ° <br />z N � 0� <br />z In az 8 <br />LLIT N w � v <br />Q F H <br />F- W Z <br />-I ¢ Q °Z8 <br />� z z OQ <br />00 z z W W <br />o11 <br />m g Qo <br />SCALE : AS NOTED <br />DATE : 10/4/2018 <br />VERSION NO. <br />loo <br />SHEET NO. <br />5m2 <br />DAVIS <br />