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XXX1:XXXXXXXXXXAAABBB <br />Project Name <br />Rev.Desciption Date <br />Drawing Title <br />Project ID <br />D A T E <br />Drawing No. <br />09-23 <br />MI <br />K <br />H <br />A <br />I <br />L <br /> <br />R <br />E <br />S <br />I <br />D <br />E <br />N <br />C <br />E <br />CITY REVISION 4/01/24 <br />OW <br />N <br />E <br />R <br />: <br /> <br />H <br />A <br />N <br />Y <br /> <br />L <br />. <br /> <br />M <br />I <br />K <br />H <br />A <br />I <br />L <br />PH <br />O <br />N <br />E <br /> <br />: <br /> <br /> <br />( <br />7 <br />1 <br />4 <br />) <br /> <br />6 <br />9 <br />6 <br />- <br />2 <br />7 <br />9 <br />7 <br />CITY REVISION 4/17/24 <br />CITY REVISION 10/24/24 <br />CITY REVISION 02/26/25 <br />A-2.3 <br />RO <br />O <br />F <br /> <br />P <br />L <br />A <br />N <br />N <br />4 <br />12 <br />SL <br />. <br />DN <br />. <br />4 <br />12 <br />SL <br />. <br />DN <br />. <br />EX. RIDGE LINE <br />(EX.) BUILDING LINE <br />TYP. <br />(EX.) ROOF <br />LINE TYP. <br />ROOF PLAN <br />SCALE: 1/4" = 1'-0" <br />SL. <br />DN. <br />SL. <br />DN. <br />A <br />A-3 <br />4 <br />12 <br />4 <br />12 <br />SL <br />. <br />DN <br />. <br />SL <br />. <br />DN <br />. <br />2" <br />X <br />4 <br />" <br /> <br />C <br />A <br />L <br />I <br />F <br />O <br />R <br />N <br />I <br />A <br /> <br />R <br />O <br />O <br />F <br />FR <br />A <br />M <br />I <br />N <br />G <br />RIDGE LINE <br />4 <br />124 <br />12 <br />RI <br />D <br />G <br />E <br /> <br />L <br />I <br />N <br />E <br />SL. <br />DN. <br />SL. <br />DN. <br />2"X6" CALIFORNIA ROOF <br />FRAMING <br />24x30 ATTIC <br />ACCESS <br />EXISTING OHG. TO BE REMOVED @ HATCH AREA <br />2'-0" OHG. TYP. <br />TO MATCH EX. <br />2'-0" OHG. TYP. <br />2' <br />- <br />0 <br />" <br /> <br />O <br />H <br />G <br />. <br />2'- 0 <br />" <br /> <br />O <br />H <br />G <br />. <br />(N) BUILDING LINE <br />(N) ROOF LINE <br />TYP. <br />TYP. <br />VENTILATION CALCULATIONS <br />906 / 300 * 144 = 434.88 SQ. IN REQUIRED <br />REQUIRED <br />4 DORMER VENTS @ 168 SQ. IN EA. <br />PROVIDED <br />672 SQ. IN. PROVIDED <br />-PROVIDE VENTILATION SO THAT AT LEAST 50% IS LOCATED IN <br />THE UPPER HALF OF THE ATTIC SPACE w/ THE REMAINDER <br />LOCATED WITHIN THE 36" OF EAVE LINE <br />-ALL ROOF VENTS ARE TO BE ON THE REAR OR SIDE OF ROOF <br />(TYP.) <br />-ALL ROOF MATERIALS WILL BE INSTALLED PER THE <br />MANUFACTURERS SPECIFICATIONS . <br />ATTIC & ROOF NOTES <br />VENT THRU ROOF DETAIL <br />ROOFING MASTIC <br />3-VANDAL PROOF <br />SS SCREWS - TYP <br />PERMASEAL - TYP <br />STEEL REINFORCING <br />BOOT - TYP <br />ROOF SHEATHING <br />SEE STRUCT PLN. <br />PROVIDE SUPPORTS <br />AND SECURE TIGHT <br />SEE PLUMBING <br />FOR SIZE <br />8" <br />ROOFING <br />MASTIC-TYP <br />5"5"MI <br />N <br />. <br /> <br />H <br />T <br />. <br /> <br />P <br />E <br />R <br /> <br />C <br />O <br />D <br />E <br />"HENRYS" <br />ROOFING PER <br />PLAN OR COPING <br />CAP @ CHIMNEY <br />4 <br />12 <br />SL <br />. <br />DN <br />. <br />4 <br />12 <br />SL <br />. <br />DN <br />. <br />EX. RIDGE LINE <br />EX. RIDGE LINE <br />EX <br />. <br /> <br />R <br />I <br />D <br />G <br />E <br /> <br />L <br />I <br />N <br />E <br />4 <br />12 <br />4 <br />12 <br />10" <br />1' <br />- <br />0 <br />" <br />2'-0" <br />1' <br />- <br />0 <br />" <br />2' <br />- <br />0 <br />" <br />2' <br />- <br />0 <br />" <br />10" <br />4' <br />- <br />0 <br />" <br />2' <br />- <br />0 <br />" <br /> <br />O <br />H <br />G <br />. <br /> <br />T <br />Y <br />P <br />. <br />2' <br />- <br />0 <br />" <br /> <br />O <br />H <br />G <br />. <br /> <br />T <br />Y <br />P <br />. <br />4'-0" OHG. <br />30 YR. COMP. SHINGLES OVER 15 <br />LB. FELT UNDERLAYMENT CLASS <br />'A' RATED. ASPHALT ROOFING <br />SHINGLES ICC-ES AC438 TO <br />MATCH EXISTING BUILDING TYP. <br />2' <br />- <br />0 <br />" <br /> <br />O <br />H <br />G <br />. <br /> <br />T <br />Y <br />P <br />. <br />2' <br />- <br />0 <br />" <br /> <br />O <br />H <br />G <br />. <br /> <br />T <br />Y <br />P <br />. <br />RI <br />D <br />G <br />E <br /> <br />L <br />I <br />N <br />E <br />4 <br />12 <br />4 <br />12 <br />SL <br />. <br />DN <br />. <br />SL <br />. <br />DN <br />. <br />RIDGE LINE <br />4 <br />ONE HIGH ONE LOW <br />NOTE: <br />THE NET FREE VENTILATING AREA OF ENCLOSED ATTICS AND <br />ENCLOSED RAFTER SPACES SHALL NOT BE LESS THAN 1/150 <br />OF THE AREA OF THE SPACE VENTILATED, EXCEPT THAT <br />REDUCTION OF TOTAL THE AREA TO 1/300 IS PERMITTED <br />PROVIDED THAT AT LEAST 40% AND NOT MORE THAN 50% OF <br />THE REQUIRED VENTILATING AREA IS PROVIDED BY <br />VENTILATORS LOCATED IN THE UPPER PORTION OF THE <br />SPACE TO BE VENTILATED AND NOT MORE THAN 3 FT. BELOW <br />THE RIDGE OR HIGHEST POINT OF THE SPACE MEASURED <br />VERTICALLY WITH THE BALANCE OF THE REQUIRED <br />VENTILATION PROVIDED BY EAVE OR CORNICE VENTS. A <br />MINIMUM OF 1-INCH CLEARANCE SHALL BE PROVIDED <br />BETWEEN THE INSULATION AND ROOF SHEATHING. <br />4 <br />DORMER VENT <br />TYP. OF 4 <br />4