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GALVANIZED STEEL DUCT COLLAR <br />SCREWED TO NEW 2x4 FRAMING <br />THROUGH EXISTING DECK <br />W/ WOOD SCREWS <br />10" Ø DUCT <br />EXIST PLYWOOD ROOF DECK <br />CUT 12"MAX Ø HOLE IN ROOF DECK <br />NEW 2x4 FRAMING <br />4' <br />- <br />0 <br />" <br /> <br />M <br />A <br />X <br />EXIST STEEL BEAM <br />EXIST STEEL BEAM <br />EX <br />I <br />S <br />T <br /> <br />2 <br />x <br />1 <br />0 <br />2 <br />S-1 <br />2x4 <br />2x4 <br />SIMPSON STRONG-TIE <br />LUS24-2 JOIST HANGER, TYP EA END <br />OF ALL NEW DOUBLE 2X4's. <br />(4) 0.162 NAILS TO HEADER <br />(2) 0.162 x 3-1/2 NAILS TO 2x4's <br />EX <br />I <br />S <br />T <br /> <br />2 <br />x <br />1 <br />0 <br />NEW DOUBLE <br />NEW DOUBLE <br />MA <br />X <br />1' <br /> <br />- <br /> <br />0 <br />" <br />Project Number <br />Date <br />Engineer <br />134 S. Glassell, Suite G <br />Orange, CA 92866 <br />949-244-5427 <br />www.NewportSD.com <br />No.Description Date <br />12 <br />/ <br />1 <br />8 <br />/ <br />2 <br />0 <br />2 <br />5 <br /> <br />4 <br />: <br />3 <br />8 <br />: <br />0 <br />8 <br /> <br />P <br />M <br />S-1 <br />ROOF PENETRATION <br />2025-1305 <br />ADV - ADVANCE <br />FIBERGLASS CONCEPT <br />18 DEC 2025 <br />M. BROWN <br />2907 OAK STREET <br />SANTA ANA, CA <br />GENERAL NOTES <br />1. DESIGN PER 2022 CALIFORNIA BUILDING CODE: <br />RISK CATEGORY II <br />DESIGN WIND PRESSURE:16 PSF (CODE MINIMUM) <br />SITE CLASS D (ASSUMED), SEISMIC DESIGN CATEGORY D, E.L.F. PROCEDURE <br />Ip = 1.0 <br />S1 = 0.456g <br />SS = 1.274g <br />SDS = 1.019g <br />Rp = 6.0 (DUCTS -NOT WELDED) <br />Flateral = xxx LBS <br />2.MATERIALS <br />WOOD:DOUGLAS FIR-LARCH NO. 2 <br />3.SPECIAL INSPECTION <br />NOT REQUIRED <br />1 1/2" = 1'-0"S-1 <br />2 DUCT @ ROOF (SECTION VIEW) <br />0 PRELIMINARY ISSUE 28 OCT 2025 <br />1 1/2" = 1'-0"S-1 <br />1 DUCT ROOF PENETRATION NEW FRAMING <br />1 REVISIONS 18 DEC 2025