1. Design a timber beam of hem-fir (S4S) to support a uniformly distributed line load of 600 lb/ft on a simply supported span of 15 ft. Deflection is not to exceed span/360.
2. Select simply supported timber beams (S4S) for the following uniformly distributed line loads and spans. Deflection is not to exceed span/240.
a. Douglas fir, 400 lb/ft, 22-ft span
b. hem-fir, 400 lb/ft, 18-ft span.