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LUCAS PROPERTIES November 17, 2021 SDA Job# 9411 6 <br /> FV(Roof] <br /> CHORD DESIGN: <br /> - _ <br /> Sub-diaphragm length= 20.0 ft Total-diaphragm length= 20.0 ft Design Load(critical case)= 53 PLF <br /> Sub-diaphragm width= 16.0 ft <br /> T= M _ `fV(unit shear)x(diaphragm length) = 54 PLF x 20 ft. <br /> 8 8 =134 Ibs 'SEE DIAPHRAGM <br /> DESIGN FOR EV(unit <br /> To Plate Size: 2x6 shear) <br /> Top Species/Grade: HF#2 <br /> Area= 8.25 W2 Ft = 525 psi <br /> Load duration(CD)= 1.60 Tallowable = Area x CD x Ft = 6,930 Ibs <br /> Since T allowable is greater than T applied. OK. <br /> SHEAR CAPACITY OF 10d COMMON NAIL = 102 Ibs 102 x Cd x p= 163 Ibs 2018 NOS <br /> 134 Ibs USE:2x6 HF#2 TOP PLATE w/(8)10d <br /> #OF NAILS PER 4FT.SPLICE= 163 Ibs =1 NAILS COMMON NAILS PER SPLICE <br /> FV(2nd Floor)_ <br /> Sub-diaphragm length= 20.0 ft Total-diaphragm length= 20.0 ft Design Load(critical case)= 53 PLF <br /> Sub-diaphragm width= 16.0 ft <br /> T= M _ 'YV(unit shear)x(diaphragm length) = 53 PLF x 20 ft. =132 Ibs <br /> $ $ "SEE DIAPHRAGM <br /> DESIGN FOR ZV(unit <br /> shear) <br /> Top Plate Size: 2x6 Species/Grade: HF#2 <br /> Area= 8.25 in^2 Ft = 525 psi <br /> Load duration(CD)= 1.60 Tailowable = Area x CD x Ft = 6,930 Ibs <br /> Since T allowable is greater than T applied, OK. <br /> SHEAR CAPACITY OF 10d COMMON NAIL = 102 lbs 102 x Cd x p= 163 Ibs 2018 NDS <br /> #OF NAILS PER 4FT_SPLICE= 131 !bs _1 NAILS U H LA w ( 1 Od <br /> 163 Ibs COMMON NAILS PER SPLICE <br />