Question: With L/360 allowable deflection, SPF (Spruce Pine Fir) visually graded lumber No3 grade was mistakenly selected due to the fact it is the most

With L/360 allowable deflection, SPF (Spruce Pine Fir) visually graded lumber No3 grade was mistakenly selected due to the fact it is the most economical Allowable design stress for SPF (in psi) (NDS Table 4A Page 35) is given below: Fb Ft Fv Select structural 1250 700 135 1,500,000 Grade No1/No2 875 450 135 1,400,000 Grade No3 500 250 135 1,200,000 Describe the steps or process to determine the cross section What SPF NO3 grade cross section is it? NDS Table or link below) Nominal crosS sections

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