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SAUNDERS KITCHEN ADDITION I December 3, 2019 I SDA Job# 8855 I 5 <br /> CHORD DESIGN: <br /> FV(Roof) <br /> Sub-diaphragm length= 25.0 ft Total-diaphragm length= 25,0 ft Design Load(critical case)= 133 PLF <br /> Sub-diaphragm width= 12.0 ft <br /> M *EV(unit shear)x(diaphragm length) 134 PLF x 25 ft <br /> T= = 8 = 8 =416 lbs *SEE DIAPHRAGM <br /> DESIGN FOR EV(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 Tallowable = Area x CD x Ft = 6,930 lbs <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 lbs 2015 NDS <br /> #OF NAILS PER 4FT.SPLICE- 416 Ibs -3 NAILS USE:2x6 HF#2 TOP PLATE w/($)10d <br /> 163 tbs COMMON NAILS PER SPLICE <br /> IV(2nd Floor)_ <br /> Sub-diaphragm length= 25.0 ft Total-diaphragm length= 25.0 ft Design Load(critical case)= 91 PLF <br /> Sub-diaphragm width= 12.0 ft <br /> T= M = *EV(unit shear)x(diaphragm length) T 92 PLF x 25 ft. =286 Ibs <br /> �— $ *SEE DIAPHRAGM <br /> DESIGN FOR EV(unit <br /> shear) <br /> Top Plate Size: 2x6 Species/Grade:I HF#2 I <br /> Area= 8.25 in^2 Ft = 525 psi <br /> Load duration(CD)= 1,60 Tallowable = Area x CD x Ft = 6,930 lbs <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 lbs 2015 NDS <br /> #OF NAILS PER 4FT.SPLICE- 286 lbs =2 NAILS USE:2x6 HF#2 TOP PLATE w((8)10d <br /> 163 lbs COMMON NAILS PER SPLICE <br />