Select an ST shape to be used as a 20-ft-long tension member to resist the following service loads: dead load = 38 kips, live load = 115 kips, and snow load = 75 kips. The connection is through the flange with three 3 ⁄4-inch diameter bolts in each line. Use A572 Grade 50 steel.
a. Use LRFD.
b. Use ASD.