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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 SO. IN. / LF. <br />1 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 />1353 SQ. FT. <br />649 SQ. IN. <br />UPPER VENT 40% NET VENT MIN. <br />260 SQ. IN. <br />UPPER VENT 50% NET VENT MAX. <br />325 SO. IN. <br />UPPER VENTS REQUIRED <br />48" TAMCO OFF -RIDGE VENT (138 SI NET FREE) <br />2 VENTS <br />NET FREE AREA UPPER ROOF VENTING <br />276 SQ. IN. <br />NET FREE AREA SOFFIT VENTING <br />373 SQ. IN. <br />LINEAR FT. SOFFIT REQ'D AT 6.57 SO. IN. / LF. <br />57 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 />ocT 2 i 2029 <br />1. <br />a%% <br />*> �O24 <br />Ir <br />W <br />}2cr <br />�OOF= <br />- <br />} <br />> cr- 0 <br />W F- <br />(AVwW <br />a F- � J <br />IY tY <br />Y Q H Z <br />LL O O C/) <br />ZZZ~Z <br />�JQ< J <br />LLI IL = c <br />�cnp0U <br />�1zLLw <br />� I— < <br />cz <br />ow <br />O � <br />Q <br />Q <br />2 <br />0 <br />O <br />0 <br />O <br />0 <br />� <br />a <br />w <br />� <br />a <br />a� <br />U) <br />w <br />w <br />o. <br />W <br />G <br />z <br />Z <br />O� <br />Ig <br />wz <br />aaaaa <br />COMMUNITY: <br />UNKS @ CALUSA SPRINGS <br />PLAN # 6102 <br />RELEASED: 6/10/20 <br />SHEET <br />A3 91 <br />