$6\mathrm{.}1$ Floor joists are $2$ in$.6$ in$.$ at $18$ in$.$ on center $($OC$)$ of Douglas Fir$-$Larch #$2.$ They support the dead and live loads.

$6\mathrm{.}2$ Roof rafters are $2$ in$.8$ in$.$ at $24$ in$.$ OC of Southern Pine #$2.$ The loads are dead load and roof live load.

$6\mathrm{.}3$ Five floor beams are of $4$ in$.8$ in$.$ dimension lumber Hem Fir #$1,$ spaced $5ft$ apart. The loads are dead and live loads.

$6\mathrm{.}4$ Studs are $2$ in$.8$ in$.$ at $20$ in$.$ OC of Hem Fir #$2.$ The loads are dead load, live load, and wind load.

$6\mathrm{.}5$ Interior column is $5$ in$.5$ in$.$ of Douglas Fir$-$Larch #$2$ to support the dead and live loads.