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PINE STREET HOUSE I February 15, 2020 I` SDA Job# 8910 l 5 <br /> CHORD DESIGN: <br /> IV(Roof)= <br /> Sub-diaphragm length= 47.0 ft Total-diaphragm length=47.0 ft Design Load(critical case)= 55 PLF <br /> Sub-diaphragm width= 37.0 ft <br /> T_ M - *EV(unit shear)x(diaphragm length) 55 PLF x 47 ft: 322 lbs-Er-- — 8 s = *SEE DIAPHRAGM <br /> DESIGN FOR EV(unit <br /> shear) <br /> Top Plate Size: 2x6 I Species/Grade: HF <br /> Area= 8.25 in^2 Ft = 525 psi <br /> Load duration(CD)= 1.80 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 =l 102 lbs 102 x Cd x p= 163 lbs 2015 NDS <br /> #OF NAILS PER 4FT.SPLICE= 322 lbs =2 NAILS USE:2x6 HF#2 TOP PLATE w/(8)10d <br /> 163 lbs 3 COMMON NAILS PER SPLICE <br />