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LOWER ROOF ATTIC VENTILATION <br />ATTIC AREA <br />TOTAL VENTING REQUIRED <br />120 SQ. FT. <br />1 15 SQ. IN. <br />LINEAR FT. SOFFIT REQ'D AT 6.57 SQ. IN. / LF. <br />I 18 LF. <br />R806.2:THE MINIMUM NET FREE VENTILATING AREA SHALL <br />NOT BE LESS THAN 1/150 OF THE VENTED SPACE. <br />UPPER ROOF ATTIC VENTILATION <br />ATTIC AREA <br />TOTAL VENTING REQUIRED <br />1611 SQ. FT. <br />773 SQ. IN. <br />UPPER VENT 40% NET VENT MIN. <br />309 SO. IN. <br />UPPER VENT 50% NET VENT MAX. <br />387 SQ. IN. <br />UPPER VENTS REQUIRED <br />48" TAMCO OFF -RIDGE VENT (138 SI NET FREE) <br />3 VENTS <br />NET FREE AREA UPPER ROOF VENTING <br />414 SQ. IN. <br />NET FREE AREA SOFFIT VENTING <br />414 SQ. IN. <br />LINEAR FT. SOFFIT REQ'D AT 6.57 SQ. IN. / LF. <br />63 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 />D= <br />W <br />} _ CC <br />�001=— <br />} <br />> cr. 0 <br />W=o�- <br />(nUW W <br />W <br />��>g <br />�I,�cc: <br />zzz�w <br />���aZ <br />W CL 2 CL <br />_j 0OU <br />�= Z IL c/) <br />�I—QZ� <br />�r <br />cz <br />� <br />�v <br />t <br />Q O <br />O � <br />Q <br />sH <br />2 <br />O <br />U <br />O <br />z <br />O <br />a <br />O <br />O <br />La <br />O <br />w <br />MMEMO <br />o� <br />m< <br />w <br />O <br />x <br />z <br />>! <br />R <br />U <br />W <br />G <br />U) <br />O� <br />�o <br />wzQaQQ4 <br />COMMUNITY: <br />UNKSATCA SA <br />SPRINGS <br />PLAN # 6103 <br />RELEASED: 02/04/21 <br />SHEET <br />A3. 1 <br />