Question: 1. Design a square (S4S) pin-connected Douglas fir column to support an axial load of 62 kips. The unbraced length of the column is 18 ft. Use the NDS provisions.
2. Design a pin-connected southern pine square column (S4S), using the NDS provisions. The column is to support an axial compressive load of 450 kN. The unbraced length is 6 m.