Breyer $7\mathrm{.}3.$ The truss shown has a $24$ lower chord of Select Structural Spruce$-$Pine$-$Fir

$($South$).$ The loads shown are the result of $D=20psf$ and $S=55psf.C_M=1\mathrm{.}0,C_t=1\mathrm{.}0,$

and $C_i=1\mathrm{.}0.$ Joints are assumed to be pin connected. Trusses are spaced $4$ ft on center.

Find:

$($a$)$ Check the tension in the member using ASD assuming there is no reduction of

area for fasteners.

$($c$)$ Check the tension in the member using ASD if a single line of $\frac{1}{2}in.$ bolts is

used for the connection.