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3' <br />7' <br />3' <br />7' <br />5 : 12 <br />5 <br />: <br /> <br />1 <br />2 <br />5 : 12 <br />5 <br />: <br /> <br />1 <br />2 <br />5 <br />: <br /> <br />1 <br />2 <br />5 <br />: <br /> <br />1 <br />2 <br />11'24'-10 3/8" <br />35'-10 3/8" <br />24'-10 3/8"11' <br />35'-10 3/8" <br />6' <br />- <br />6 <br />" <br />15 <br />' <br />- <br />8 <br />" <br />2' <br />- <br />6 <br />" <br />24 <br />' <br />- <br />8 <br />" <br />24 <br />' <br />- <br />8 <br />" <br />(E) ROOF <br />614 SQ. FT. <br />CLASS A FIRE-RATED <br />ASPHALT SHINGLE ROOF <br />ESR-1475 <br />(N) ROOF <br />173 SQ. FT. <br />CLASS A FIRE-RATED <br />ASPHALT SHINGLE ROOF <br />ESR-1475 <br />DORMER VENT <br />DORMER VENT <br />DORMER VENT <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />RAIN GUTTER <br />(E) 16" ROOF EAVE OVERHANG <br />(E) 16" ROOF EAVE OVERHANG <br />RAIN GUTTER <br />(E) 16" ROOF EAVE OVERHANG <br />(E) 16" ROOF EAVE OVERHANG <br />RAIN GUTTER <br />(N) 16" ROOF EAVE OVERHANG <br />(N) 16" ROOF EAVE OVERHANG <br />RAIN GUTTER <br />(N) 16" ROOF EAVE OVERHANG <br />(N) 16" ROOF EAVE OVERHANG <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />2 <br />A4 <br />RE <br />V <br />I <br />S <br />I <br />O <br />N <br /> <br />T <br />A <br />B <br />L <br />E <br />NU <br />M <br />B <br />E <br />R <br /> <br />D <br />A <br />T <br />E <br /> <br />R <br />E <br />V <br />I <br />S <br />E <br />D <br /> <br />B <br />Y <br /> <br />D <br />E <br />S <br />C <br />R <br />I <br />P <br />T <br />I <br />O <br />N <br />SHEET: <br />SCALE: <br />DATE: <br />09/22/2023 <br />Charlie Melvin <br />1446 Armacost Ave #202 <br />Los Angeles, CA 90025 <br />(213) 423-0470 <br />A4 <br />RO <br />O <br />F <br /> <br />P <br />L <br />A <br />N <br />2318 MAPLE ST, SANTA ANA, CA 92707 <br />UN <br />I <br />T <br /> <br /># <br />2 <br />, <br /> <br />2 <br />3 <br />1 <br />8 <br /> <br />M <br />A <br />P <br />L <br />E <br /> <br />S <br />T <br />, <br />SA <br />N <br />T <br />A <br /> <br />A <br />N <br />A <br />, <br /> <br />C <br />A <br /> <br />9 <br />2 <br />7 <br />0 <br />7 <br />PR <br />O <br />J <br />E <br />C <br />T <br /> <br />A <br />D <br />D <br />R <br />E <br />S <br />S <br />: <br />PR <br />O <br />J <br />E <br />C <br />T <br /> <br />D <br />E <br />S <br />C <br />R <br />I <br />P <br />T <br />I <br />O <br />N <br />: <br />PA <br />G <br />E <br /> <br />T <br />I <br />T <br />L <br />E <br />: <br />GA <br />R <br />A <br />G <br />E <br /> <br />C <br />O <br />N <br />V <br />E <br />R <br />S <br />I <br />O <br />N <br /> <br />W <br />/ <br /> <br />N <br />E <br />W <br />AD <br />D <br />I <br />T <br />I <br />O <br />N <br /> <br />T <br />O <br /> <br />A <br /> <br />6 <br />3 <br />1 <br />. <br />4 <br />0 <br /> <br />S <br />Q <br /> <br />F <br />T <br /> <br />A <br />D <br />U <br />ROOF PLAN <br />1/4" = 1' <br />11 <br />COOL ROOF SPECS <br />SOFFIT VENT <br />NTS <br />22 <br />SOFFIT VENT INSTALLATION <br />NTS <br />33 <br />ATTIC ACCESS: <br />22X30 ATTIC ACCESS <br />ATTIC VENT TABULATION: <br />TOTAL ATTIC AREA = 614 + 173 = 787 SQ. FT. <br />REQUIRED VENTILATION = 787 SQ. FT. / 150 <br />REQUIRED VENTILATION = 5.25 SQ. FT. OF FREE VENT AREA <br />VENTILATION CALCULATION <br />DORMER VENTS = 100 SQ. INCHES = 0.69 SQ. FT. EACH <br />(DORMER VENTS)(X) = (30%)(REQUIRED VENTILATION) <br />(0.69 SQFT.)(X) = (30%)(5.25 SQ. FT.) <br />X = NO. OF DORMER VENTS = 2.28 PC. = 3 PCS. <br />REQUIRED SOFFIT VENT = (5.25 - O.69(3)) SQ. FT. <br />REQUIRED AREA OF SOFFIT VENT = 3.18 SQ. FT. <br />REQUIRED NO. OF SOFFIT VENT <br />SOFFIT VENT AREA = 41 SQ. IN. = 0.28 SQ. FT. <br />REQUIRED NO. OF SOFFIT VENT = 3.18 SQ. FT. / 0.28 SQ. FT. <br />REQUIRED NO. OF SOFFIT VENT = 11.36 PCS. = 12 PCS. <br />REQUIRED VENTILATION CHECKING: <br />NOTE: DORMER VENTS AREA MUST BE WITHIN 30% TO 50% <br />OF THE TOTAL REQUIRED VENTILATION <br />(100% / 5.25 SQ. FT.) X (3PCS X 0.69 SQ. FT.) = 39.43% <br />(WITHIN THE 30% TO 50% DORMER VENT REQUIREMENT) <br />ROOF RAFTER SPACE <br />VENTS SHALL MEET THE <br />FOLLOWING: (R806.1, <br />R806.2) <br /> A. SHOW VENTILATION TYPE, SIZE, AND LOCATION. <br /> B. THE NET FREE VENTILATING AREA SHALL NOT BE LESS <br />THAN: <br /> A. 1/150 OF THE ATTIC SPACE OR <br /> B. 1/300 PROVIDED A CLASS I OR II VAPOR BARRIER IS <br />INSTALLED ON THE WARM-IN-WINTER SIDE OF THE <br />CEILING IN CLIMATE ZONE 14 AND 16 OR <br /> C. 1/300 PROVIDED AT LEAST 40% AND NOT MORE THAN <br />50% OF THE REQUIRED VENT AREA IS LOCATED <br />WITHIN 3 FEET BELOW THE RIDGE OR HIGHEST POINT <br />OF THE SPACE, WITH THE BALANCE OF THE REQUIRED <br />VENTILATION PROVIDED SHALL BE LOCATED IN THE <br />BOTTOM ONE-THIRD OF THE ATTIC SPACE. <br /> C. OPENINGS SHALL HAVE CORROSION-RESISTANT WIRE <br />MESH OR OTHER APPROVED MATERIAL WITH 1/16-IN. <br />MINIMUM AND 1/4 IN. MAXIMUM OPENING. <br /> D. A MINIMUM OF 1-IN. AIRSPACE SHALL BE PROVIDED <br />BETWEEN INSULATION AND ROOF SHEATHING. (R806.3) <br /> E. UNVENTED ATTIC ASSEMBLIES SHALL MEET ALL THE <br />CONDITIONS IN SECTION R806.5. <br />Charlie Melvin <br />Owner - Cali ADU <br />06/04/2024 <br />2318 S Maple St Unit# 2 - <br />10111816410/15/2024