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ATTIC VENTILATION <br />ATTIC AREA <br />TOTAL VENTING REQUIRED <br />2403 SQ. FT. <br />It 53 SQ. IN. <br />UPPER VENT 40% NET VENT MIN. <br />461 SQ. 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 FOR ASPHALT SHINGLES <br />REFERENCE TO SECTION R905.2 FOR TILE ROOFING REFERENCE <br />TO SECTION R905.3 <br />ROOF PLAN <br />SCALE: 1/4"=1'-0" (22"xU::) <br />SCALE: 1 /8"=1'-0" (11 "x17") <br />Ir <br />w <br />>=Iz <br />O O } I- <br />Wow[¢O <br />0 H <br />cn0wW <br />Q�WF- <br />(LCw- <br />n <br />cc lY <br />zzzp:w <br />W Q <br />a a <br />2 c _ <br />JU000 <br />5 - Z LL (n <br />p <br />� n <br />Q o <br />0 <br />�Q <br />Q <br />0 <br />0 <br />U <br />O <br />� <br />z <br />00 <br />0o <br />(L <br />LLO <br />O <br />o0-j <br />w <br />w <br />MEMO <br />a. <br />U) <br />m< <br />f--4 <br />O <br />(L <br />A <br />0 <br />a <br />U) <br />W <br />G <br />Z <br />04 <br />v; <br />G <br />d <br />� <br />as <br />* ; NO 77824 <br />r <br />r * r <br />STATE OF <br />OF <br />CO r <br />UNKSATCALUSA <br />SPRINGS <br />PLAN # 6101 <br />RELEASED: 7/15/21 <br />SHEET <br />Am3 . l <br />