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1' <br />ROOF PLAN <br />SCALE: 1/4"=1'-0" <br />ATTIC VENTILATION <br />ATTIC AREA <br />TOTAL VENTING REQUIRED <br />2283 SQ. FT. <br />1096 SQ. IN. <br />UPPER VENT 40% NET VENT MIN. <br />438 SQ. IN. <br />UPPER VENT 50% NET VENT MAX. <br />548 SO. IN. <br />UPPER VENTS REQUIRED <br />48" TAMCO OFF -RIDGE VENT (138 SI NET FREE) <br />4 VENTS <br />NET FREE AREA UPPER ROOF VENTING <br />552 SQ. IN. <br />NET FREE AREA SOFFIT VENTING <br />552 SQ. IN. <br />LINEAR FT. SOFFIT REQ'D AT 6.57 SQ. IN. / LF. <br />84 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 <br />FOR ASPHALT SHINGLES REFERENCE TO SECTION R905.2 <br />FOR TILE ROOFING REFERENCE TO SECTION R905.3 <br />W <br />} 2 2 <br />0 0 <br />w�¢ O <br />p <br />cAVzi WW <br />cc <br />~>a.a <br />� Ir <br />Y O H z <br />06I_00co <br />zzz�_'z <br />° :� U) z <br />J <br />W am 2 a <br />�c)000 <br />� 2 Z LL U) <br />� <br />QQ <br />N. <br />a <br />cz <br />O zd� <br />O � <br />Q <br />Q <br />2 <br />0 <br />0 <br />O <br />Z <br />U <br />o <br />a <br />m <br />0 <br />0 <br />0 <br />a <br />0 <br />I <br />z <br />0 <br />a <br />A <br />0 <br />E <br />W <br />U) <br />04 <br />� <br />o <br />* No 77824 <br />TATE OF <br />* 0WAL,� <br />COMMUNITY: <br />FLAN # 6101 <br />RELEASED: 5/12/21 <br />SHEET <br />A3.1 <br />