SOLVE THE PROBLEM. $A=4,B=9,C=4,D=5$

Problem. A C$6$x$13$ A$36$ Steel Purlins spaced @ $0\mathrm{.}8$A m$.$ o$.$c$.$ with $1$B mm$.\frac{O}{?}$ Sag$-$rods & Tie$-$rods @ midpoint is subjected to the following roof loads: $D=1.B0$KPa,$Lr=0.C0$ KPa,&$V=2D0KPH($wind velocity$).$ Use $Fy=250$MPA&$fs=15$BMPa,$Lb=4$COm. o$.$ c$.($spacing of truss$)$

Required: Check the adequacy of the following using LRFD & ASD$-$NSCP $2010$ & MRM: $(1)$ C$6$x$13$ A$36$ Steel Purlins; $(2)1$ B mm $\frac{O}{?}$ Sag$-$rods & Tie$-$rods. Use the last $4$ digits of student no$.$: ####ABCD $($if $"0"$ make it $"1").$ Use the following load combinations in the analysis: $(1)D+Lr$;&$(2)D+Lr+W$