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ATTIC VENTILATION <br />ATTIC AREA <br />TOTAL VENTING REQUIRED <br />2283 SQ. FT. <br />1 1096 SQ. IN. <br />UPPER VENT 40% NET VENT MIN. <br />438 SQ. IN. <br />UPPER VENT 50% NET VENT MAX. <br />548 SO. 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 />552 SQ. IN. <br />LINEAR FT. SOFFIT REQ'D AT 6.57 SQ. IN. / LF. <br />84 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 />UNDERLAYMIENT 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 />DEC 21 2020 <br />0 <br />NO 7 824 <br />-33 .. ;LZZ <br />STATE OF • 14,000 <br />e °°rrrri�.�ttt <br />cc <br />W <br />} _ CC <br />O O H <br />} <br />> a: 0 <br />p <br />(/)UWW <br />Q�WF- <br />W <br />J to W <br />cr <br />Z o W <br />Z z <br />Fv <br />6L. <br />W IZ = CC D_ <br />xU)a0U <br />�—Zu-u) <br />�F-Q?p <br />cz <br />t` <br />c <br />0 �a <br />Q <br />O <br />o <br />z <br />U <br />a <br />O <br />LLO <br />m <br />o <br />�- <br />O <br />o <br />a <br />O <br />Z <br />O <br />A <br />0 <br />K <br />U <br />G <br />z� <br />Z <br />04 <br />NG <br />zaaaaa <br />COMMUWY; <br />LINK A ALUS <br />SPRINGS <br />PLAN # 6101 <br />RELEASED: 12J9/20 <br />SHEET <br />A3. 1 <br />