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ROOF ATTIC VENTILATION <br />ATTIC AREA <br />TOTAL VENTING REQUIRED <br />2737 SQ. FT. <br />1314 SQ. IN. <br />UPPER VENT 40% NET VENT MIN. <br />526 SQ. IN. <br />UPPER VENT 50% NET VENT MAX. <br />657 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 />762 SQ. IN. <br />LINEAR FT. SOFFIT REQ'D AT 6.57 SQ. IN. / LF. <br />116 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 />NOV 10 2020 <br />ROOF PLAN <br />SCALE: 1 /4"=1'-0" <br />IY <br />w <br />�00�— <br />> cr 0 <br />LU=)pH <br />UWw c) <br />Q Z) W ~ <br />a.� W W <br />IY <br />ZZ-W <br />w a Q <br />a. <br />2 � _ <br />�c/p0U <br />=ZLL(_n <br />CZ-� <br />c 09 <br />O n <br />_Z�Z <br />O <br />� Q <br />Q <br />0 <br />0 <br />0 <br />ft <br />0 <br />Z <br />ft <br />0 <br />a <br />a, <br />LLI <br />w <br />0 <br />w <br />0 <br />ommo <br />5 <br />x <br />U) <br />,J <br />a <br />0 <br />K <br />U) <br />W <br />C <br />N <br />Om< <br />�o <br />zaaaaa <br />COMMUNITY: <br />UNKS @ CA SA SPRINGS <br />FLAN # 6120 <br />RELEASED:10/13/20 <br />SHEET <br />A3. `I <br />