$15\mathrm{.}2$ Determine the adequacy, including length effects, for a $14-$in$.-$diameter spirally reinforced column $($assume about $2\frac{1}{2}\%$ reinforcement$)$ which is an interior secondfloor column $($Column A$)$ in the braced frame of the figure for Problems $15\mathrm{.}2$ to $15\mathrm{.}8.$ The member is to carry an axial service load of $87$kips dead load and $133$ kips live load, with only the dead load considered sustained. The $1422$ beams contain $=0\mathrm{.}015$ for negative moment tension steel. Use $f_c^{\text{'}}=5000$ and $f_y=60,0(0)$ psi. Use the ACI moment magnifier method. diameter; $P_n=2200kN$;$350mm560mm$ beams; $($:$f_c^{\text{'}}=35$MPa;$f_y=300$MPa