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ROOF ATTIC VENTILATION <br />ATTIC AREA <br />TOTAL VENTING REQUIRED <br />2600 SQ. FT. <br />1248 SQ. IN. <br />UPPER VENT 40% NET VENT MIN. <br />499 SQ. IN. <br />UPPER VENT 50% NET VENT MAX. <br />624 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 />696 SQ. IN. <br />LINEAR FT. SOFFIT REQ'D AT 6.57 SQ. IN. / LF. <br />106 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, TABLE 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 />NOV 1 0 2020 <br />G. P. <br />: No 7752=1 <br />STAT E 0` <br />B <br />Ir <br />W <br />} _ Cc <br />�00� } <br />w cc<0 <br />=)o 0 <br />cnUWw <br />¢_jWF- <br />IX J�Wg <br />cr oC Inc <br />06 zZFUi <br />J (n Q Z <br />wam CL <br />�c/)a0U <br />=ZIL(1) <br />2 H ¢ Z <br />Z' ^+ <br />a Q�i <br />O n <br />a <br />a <br />O g� <br />H <br />0 <br />0 <br />a <br />U <br />w <br />O <br />w <br />0 <br />QL. <br />cn <br />w <br />a <br />0 <br />U) <br />W <br />G <br />N <br />O� <br />�o <br />Zaaaaa <br />COMMUNITY: <br />c <br />PLAN # 6120 <br />RELEASED:10/12/20 <br />SHEET <br />A3. 1 <br />