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8 <br /> ' z oro <br /> S 1sta 'MM <br /> IL)tel <br /> mig <br /> Cag <br /> ROOF & ATTIC VENTILATION — w <br /> ALL VENTS TO BE SCREENED w/Ys'CORROSION RESISTANT METAL MESH. (3)2'0 HOLES <br /> PER VENT BLOCK=7.0 SQ.IN.NET AREA(74%). LOCATE VENT BLOCKS AT CORNERS& <br /> EVENLY BETWEE14 FOR ATTICS INSTALS VENT BLOCK EA.RAFTER SPACE FOR CATHEDRAL <br /> ROOFS THE MINIMUM NET FREE VENTILATING AREA SHALL BE 1/150 OF THE AREA OF THE <br /> VENTED SPACE EXCEPTION: THE MINIMUM NET FREE VEN11LA1TON AREA SHALL BE 1/300 <br /> OF 11-IE VENTED SPACE PROVIDED THE FOUL/YANG CONDITION IS MET. AT LEAST 40%AND <br /> U <br /> NOT MORE THAN 50%OF THE REQUIRED VENTILATING AREA IS PROVIDED BY VENTILATORS <br /> LOCATED IN THE UPPER PORTION OF THE ATTIC OR RAFTER SPACE.UPPER VEN11LATORS <br /> SHALL BE LOCATED NO MORE THAN 3 FEET BELOW THE RIDGE OR HIGHEST POINT OF TIE <br /> SPACE,MEASURED VERTICALLY,WITH THE BALANCE OF THE REQUIRED VENTILATION <br /> PROVIDED BY EAVE OR CORNICE VENTS.WHERE THE LOCATION OF WALL OR ROOF FRAMING <br /> MEMBERS CONFUCTS WITH THE INSTALLATION OF UPPER VEN1ILATORS,INSTALLATION MORE <br /> THAN 3 FEET BELOW THE RIDGE OR HIGHEST POINT OF THE SPACE SHALL BE PERMITTED. <br /> PROVIDE 17'1 SQ.IN.MIN.NET TOTAL(1/30) <br /> INSTALL I GABLE VENT(S)x'150 SQ.IN.EA.=1 So SQ.IN.NET - -- - <br /> INSTALL ROOF VENTS)x 92 SQ.IN.EA.= SQ.IN.NET — Z y o <br /> INSTALL 2O14ENT BLOCKS'x 7.0.SQ.97.EA.=.140:SQ.IN.NET < <br /> INSTALL.. FT.RIDGE VENT x 16 SQ.IN./FT._ - SQ.IN.NET o '. w <br /> INSTALL FT.SOFFIT VENT x 9 SQ.IN./FT.= SQ.IN.NET <br /> 2_.,‘ z_ Z4 F RF'rzs.�7 oc_ a'IZ'�zHF IZFT .S., Z4oc <br /> —(32.7.IZ¢.P T R5 – <br /> (3\)zxlz r <br /> 111 . A Z IZ — w4.\ <br /> #'Z4(F RZ4OC ' • � <br /> 4L 1J >J v tY NNZx <br /> YI 0. Z.x 6R 'RF ..,.L 1-I� N 6�. LL <br /> \Q ,y HI.H J RAFTR R FY. I, �U1 - / H <br /> A: <br /> • <br /> ti " �3-)L 1/z."tz.FT'¢S. C3�zn R Z- RF S. / O 0_ - <br /> 1.2.11 F RE-112S.,.Z4'oc. _.Z:x I Z'T_FfI= C.FrCe5,, .Ej."oma <br /> (;O VERid 5.1-G G,-Jr..: <br /> .5F20N. PRDP, <br /> iZOOF PR>'�P'IL 1 G PL fel-1, 5c o L ;i4=1`_a' <br />