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UPPER ROOF ATTIC VENTILATION <br />ATTIC AREA <br />TOTAL VENTING REQUIRED <br />13S3 SQ. FT. <br />649 SQ. IN. <br />UPPER VENT 40% NET VENT MIN. <br />260 SQ. IN. <br />UPPER VENT 50% NET VENT MAX. <br />325 SQ. IN. <br />UPPER VENTS REQUIRED <br />48" TAMCO OFF -RIDGE VENT (138 SI NET FREE) <br />2 VE:NTS <br />NET FREE AREA UPPER ROOF VENTING <br />276 SQ. IN. <br />NET FREE AREA SOFFIT VENTING <br />373 SQ. IN. <br />LINEAR FT. SOFFIT REQ'D AT 6.57 SQ. IN. / LF. <br />57 LF. <br />NOTE: LOCATE RIDGE VENTS 2'-0" OFF ALL <br />HIPS RIDGES OR VALLEYS, MIN., TYP. <br />R806.2:THE MINIMUM NET FREE VENTILATING AREA SHALL <br />NOT BE LESS THAN 1/150 OF THE VENTED SPACE. <br />EXCEPTION: THE MINIMUM NET FREE VENTILATION AREA <br />SHALL BE 1/300 OF THE VENTED SPACE PROVIDED NOT <br />LESS THAN 40 PERCENT AND NOT MORE THAN 50 <br />PERCENT OF THE REQUIRED VENTILATING AREA IS <br />PROVIDED BY VENTILATORS LOCATED IN THE UPPER <br />PORTION OF THE ATTIC OR RAFTER SPACE. UPPER <br />VENTILATORS SHALL BE LOCATED NOT MORE THAN 3 <br />FEET (914 MM) BELOW THE RIDGE OR HIGHEST POINT OF <br />THE SPACE, MEASURED VERTICALLY, WITH THE BALANCE <br />OF THE REQUIRED VENTILATION PROVIDED BY EAVE OR <br />CORNICE VENTS. WHERE THE LOCATION OF WALL OR <br />ROOF FRAMING MEMBERS CONFLICTS WITH THE <br />INSTALLATION OF UPPER VENTILATORS, INSTALLATION <br />MORE THAN 3 FEET (914 MM) BELOW THE RIDGE OR <br />HIGHEST POINT OF THE SPACE SHALL BE PERMITTED. <br />UNDERLAYMENT APPLICATIONS SHALL BE INSTALLED IN <br />ACCORDANCE WITH SECTION R905.1.1 <br />FOR ASPHALT SHINGLES REFERENCE TO SECTION R905.2 <br />FOR TILE ROOFING REFERENCE TO SECTION R905.3 <br />ROOF PLAN <br />SCALE: 1 /4"=V-0" <br />m <br />W <br />Lu <br />Luz0= <br />O H <br />LJJ <br />>�¢0 <br />wool-- <br />�ULUO <br />Q�Wt-' <br />_ <br />J <br />> <br />F_W <br />lluJ <br />Wa¢2� <br />_ c <br />_ <br />:D z LL <br />< <br />cz t\ <br />Q N <br />c <br />n <br />Q <br />3o <br />Z <br />O <br />�~ <br />4 <br />Q <br />0 <br />r� <br />V <br />O <br />a <br />LLM <br />Lo <br />p <br />O <br />a <br />O <br />A <br />w <br />2 <br />w <br />0 <br />U <br />W <br />0 <br />Z <br />O!� <br />w <br />� <br />[a <br />, <br />a <br />o' No 778214 <br />c e <br />�cc <br />STATE OF <br />o0a <br />1 <br />CO 1 UN1 , <br />UNKS @ CALUSA SPRINGS <br />PLAN # 6102 <br />RELEASED: 9/21/21 <br />SHEET <br />A3.1 <br />