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ROOF AREA 3,507 SF. W/ RATIO 1/150 <br />REQUIRE 3,507 / 150 = 23.38 SF ATTIC VENTS <br />PROVIDE 50% HIGH = 11.69 SF. <br />50% LOW = 11.69 SF. <br />• LOW VENT: <br />O'HAGIN 4" FLANGE - 1/4" GALVANIZED <br />NFVA: 72 SQ/INCH = 0.5 SF. <br />PROVIDED 24 O'HAGIN 4" FLANGE = 12 SF. <br />• HIGH VENT: <br />O'HAGIN 4" FLANGE - 1/4" GALVANIZED <br />NFVA: 72 SQ/INCH = 0.5 SF. <br />PROVIDED 24 O'HAGIN 4" FLANGE = 12 SF. <br />ICC REPORT NUMBER FOR ROOF MATERIAL: <br />TYPE OF ROOF: ASPHALT SHINGLES <br />PRODUCT: CERTAINTEED ASPHALT SHINGLES <br />ORG/CODE: ICC-ES <br />REPORT NUMBER: ICC-ESR-1389 <br />MANUFACTURER: CERTAINTEED CORPORATION <br />SOLAR ZONE REQUIRED: 15% OF 3,507 SF = 526 SF <br /> PROVIDED: 562 SF <br />1235674 <br />A <br />B1 <br />B <br />E <br />D <br />C <br />3A <br />RI <br />D <br />G <br />E <br />RI <br />D <br />G <br />E <br />RI <br />D <br />G <br />E <br />RI <br />D <br />G <br />E <br />RI <br />D <br />G <br />E <br />RI <br />D <br />G <br />E <br />RI <br />D <br />G <br />E <br />RI <br />D <br />G <br />E <br />RIDGE <br />2' <br /> <br />- <br /> <br />0 <br />" <br />1' - 0" <br />2' <br /> <br />- <br /> <br />0 <br />" <br />1' - 0" <br />2' <br /> <br />- <br /> <br />0 <br />" <br />1' - 0" <br />2' <br /> <br />- <br /> <br />0 <br />" <br />1' - 0" <br />1' - 0" <br />1' - 0" <br />2' <br /> <br />- <br /> <br />0 <br />" <br />1' <br /> <br />- <br /> <br />0 <br />" <br />4 <br />3 3 33 <br />3 <br />3 3 <br />2 <br />4 <br />4 <br />4 4 4 4 <br />2 <br />2 <br />22 <br />88 <br />5 5 <br />5 <br />5 <br />1 11 <br />1 1 11 <br />4:12 <br />4:12 4:12 <br />4:12 <br />6: <br />1 <br />2 <br />6: <br />1 <br />2 <br />6: <br />1 <br />2 <br />6: <br />1 <br />2 <br />6: <br />1 <br />2 <br />6: <br />1 <br />2 <br />6: <br />1 <br />2 <br />6: <br />1 <br />2 <br />6: <br />1 <br />2 <br />6: <br />1 <br />2 <br />6: <br />1 <br />2 <br />6: <br />1 <br />2 <br />6: <br />1 <br />2 <br />6: <br />1 <br />2 <br />6: <br />1 <br />2 <br />6: <br />1 <br />2 <br />4:12 4:12 <br />4: <br />1 <br />2 <br />65 <br />LOW VENT <br />TYP.3 HIGH VENT <br />TYP. <br />3 HIGH VENT <br />TYP. <br />7 <br />FI <br />R <br />E <br /> <br />S <br />E <br />P <br />A <br />R <br />A <br />T <br />I <br />O <br />N <br />5' <br /> <br />- <br /> <br />0 <br />" <br />FI <br />R <br />E <br /> <br />S <br />E <br />P <br />A <br />R <br />A <br />T <br />I <br />O <br />N <br />5' <br /> <br />- <br /> <br />0 <br />" <br />6 <br />AD3 <br />19 <br />' <br /> <br />- <br /> <br />4 <br />" <br />1 <br />9 <br />' <br /> <br />- <br /> <br />4 <br />" <br />(N) DECORATIVE LOUVER WITH FLAT TRIM1 <br />(N) VALLEY2 <br />(N) O'HANGIN LOW PROFILE (TAPERED) ATTIC VENT3 <br />DASHLINE INDICATES BUILDING LINE BELOW4 <br />(N) ASPHALT SHINGLE ROOF COVERING SYSTEM PER ICC-ESR-1389, <br />COLOR: MOIRE BLACK, CLASS "A" OR BETTER. ROOF COVERING OVER FLASHING <br />OVER 2 LAYERS OF #15 ROOF FELT OVER 1/2" CDX PLYWOOD SHEATHING. <br />5 <br />(N) AWNING6 <br />DASHLINE INDICATES PROPERTY LINE7 <br />SOLAR PANEL READY LOCATIONS. 15% OF ROOF AREA8 <br />JOB# <br />DATE <br />DRAWN <br />SCALE <br />Th <br />i <br />s <br /> <br />D <br />u <br />c <br />o <br />u <br />m <br />e <br />n <br />t <br /> <br />i <br />s <br /> <br />t <br />h <br />e <br /> <br />p <br />r <br />o <br />p <br />e <br />r <br />t <br />y <br /> <br />o <br />f <br /> <br />Y <br />N <br /> <br />A <br />R <br />C <br />H <br />I <br />T <br />E <br />C <br />T <br />S <br />, <br /> <br />I <br />N <br />C. <br />, <br /> <br />a <br />n <br />d <br /> <br />s <br />h <br />a <br />l <br />l <br /> <br />n <br />o <br />t <br /> <br />be <br /> <br />r <br />e <br />p <br />o <br />r <br />d <br />u <br />c <br />e <br />d <br /> <br />w <br />i <br />t <br />h <br />o <br />u <br />t <br /> <br />t <br />h <br />e <br /> <br />w <br />r <br />i <br />t <br />t <br />e <br />n <br /> <br />c <br />o <br />n <br />s <br />e <br />n <br />t <br /> <br />o <br />f <br /> <br />Y <br />N <br />G <br /> <br />A <br />R <br />CH <br />I <br />T <br />E <br />C <br />T <br />S <br />, <br /> <br />I <br />N <br />C <br />. <br />© <br />C <br />O <br />P <br />Y <br />R <br />I <br />G <br />H <br />T <br />RE <br />V <br />I <br />S <br />I <br />O <br />N <br />S <br />No. C-32798 <br />HC <br />F <br />RADSEN <br />E <br />S <br />TAT <br />LCAIOF <br />E <br />ILC <br />A <br />ORNI <br />TC <br />ITEYENNY NG <br />DATE <br />RENEWAL <br />03-31-25 <br />As indicated <br />A3.1 <br />PR <br />O <br />P <br />O <br />S <br />E <br />D <br /> <br />R <br />O <br />O <br />F <br /> <br />P <br />L <br />A <br />N <br />YC23005 <br />AN <br />C <br />E <br />N <br />A <br />Y <br /> <br />C <br />O <br />M <br />M <br />E <br />R <br />C <br />I <br />A <br />L <br /> <br />O <br />F <br />F <br />I <br />C <br />E <br />JAN 2024 <br />T.N. <br />21 <br />0 <br /> <br />W <br />. <br /> <br />1 <br />9 <br />T <br />H <br /> <br />S <br />T <br />R <br />E <br />E <br />T <br />, <br />SA <br />N <br />T <br />A <br /> <br />A <br />N <br />A <br /> <br />C <br />A <br /> <br />9 <br />2 <br />7 <br />0 <br />6 <br />PROPOSED ROOF PLAN <br />1. REFER TO STANDARD ROOF PLAN FOR INFORMATION NOT SHOWN ON ADDENDA ROOF <br />PLANS. <br />2. ROOF MATERIAL - CLASS 'A' COMPOSITE ROOF BY "OWENS CORNING" - I.C.C.-ES AC438 <br />UL ER2453-01 - OR APPROVED EQUAL OVER (1) LAYER 30# ROOFING FELT (PROVIDE (2) <br />LAYERS OF 30# ROOFING FELT ON LOWER ROOFS) - INSTALL PER MANUFACTURER'S <br />INSTRUCTIONS. <br />3. ROOF TILE NAILING SHALL BE PER THE MANUFACTURER'S SPECIFICATIONS. <br />4. PROVIDE MINIMUM 26 GA. CORROSION RESISTANT METAL FLASHING AT ALL VALLEYS <br />AND ROOF-TO-WALL CONDITIONS. <br />5. PROVIDE DIVERTERS AT DOORS AS REQUIRED. <br />6. PROVIDE A MINIMUM 22"x30" ACCESS OPENING IN ROOF SHEATHING TO OVER FRAMED <br />ATTIC AREAS WITH 30" MINIMUM HEAD CLEARANCE - PROVIDE A 12"x12" OPENING IN <br />ROOF SHEATHING TO OVER FRAMED ATTIC AREAS WITH LESS THAN 30" HEAD <br />CLEARANCE FOR VENTILATION. <br />7. NET FREE AIR VALUES FOR VENTS USED IN OUR VENTILATION CALCULATIONS ARE <br />BASED ON "C & J METAL PRODUCTS INC." AT WWW.CJMETALS.COM & BY "O'HAGIN'S, <br />INC." AT WWW.OHAGINVENT.COM THESE VALUES ARE SUBJECT TO CHANGE WITHOUT <br />NOTIFICATION AND MUST BE VERIFIED BY INSTALLER AT TIME OF INSTALLATION - <br />APPROVED EQUAL PRODUCTS MUST PROVIDE THE NET FREE AIR VENTILATION TOTALS <br />REQUIRED BY THE CALCULATIONS PROVIDED ON THESE ARCHITECTURAL DRAWINGS. <br />8. ALL KEYNOTES, DETAILS AND DIMENSIONS ARE TYPICAL TO THEIR CONDITION U.N.O. ON <br />ELEVATION. <br />9. RADIANT BARRIER WITH AN EMITTANCE OF 0.05 OR LESS REQUIRED AT UNDERSIDE OF <br />ROOF SHEATHING & ATTIC SIDE OF GABLE END WALLS - REFER TO T-24 & ENERGY <br />CALCULATIONS. <br />10. PROVIDE KICK OUT FLASHING AT ALL FASCIA TO WALL TERMINATIONS - SEE DETAIL. <br />11. A MINIMUM OF 1-IN. AIRSPACE SHALL BE PROVIDED BETWEEN INSULATION AND ROOF <br />SHEATHING. <br />GENERAL NOTES <br />1SCALE: <br />1/4" = 1'-0" <br />ROOF VENT. CALCULATIONS <br />Da <br />t <br />e <br /> <br />D <br />e <br />s <br />c <br />r <br />i <br />p <br />t <br />i <br />o <br />n <br />2 <br />9 <br />/ <br />1 <br />6 <br />/ <br />2 <br />0 <br />2 <br />4 <br /> <br />3 <br />R <br />D <br /> <br />S <br />U <br />B <br />M <br />I <br />T <br />T <br />A <br />L <br />ROOF PLAN KEYNOTES <br />2 <br />2 <br />2 2 <br />210 W 19th St <br />4/14/2025