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ATTIC VENTILATION <br />ATTIC AREA <br />TOTAL VENTING REQUIRED <br />2403 SQ. FT. <br />1 153 SQ. IN. <br />UPPER VENT 40% NET VENT MIN. <br />461 SO. IN'. <br />UPPER VENT 50% NET VENT MAX. <br />577 SQ. 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 />601 SQ. IN. <br />LINEAR FT. SOFFIT REQ'D AT 6.57 SQ. IN. / LF. <br />92 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"=1'-0" <br />IY <br />W <br />}2� <br />"- <br />�00� } <br />Wo�[QO <br />UW W (n <br />¢pLu <br />J(nW"' <br />5 � <br />Y O F- z <br />oz$ U- 00 co <br />zzzz <br />Q <br />Wa-=cc(L <br />�c/)p00 <br />�2zLLCl) <br />cz , Q.± <br />n <br />r <br />~ Z <br />(Z <br />Q <br />H <br />O <br />0 <br />U <br />O <br />Z <br />to <br />0) <br />o <br />a <br />0 <br />O <br />`1 <br />o <br />w <br />a <br />a� <br />z <br />O <br />A <br />z <br />O <br />E <br />a <br />U) <br />o <br />U <br />z1 <br />O <br />4 <br />aaaaa <br />Z <br />i <br />i <br />i <br />COMMUNITY: <br />UNKSATCAWSA <br />SPRINGS ! <br />PLAN # 6101 <br />RELEASED: 02/04/21 <br />SHEET <br />A3. "I <br />Z <br />3 <br />0 <br />ad <br />U) <br />Z <br />g <br />a. <br />W <br />U) <br />W <br />