BIGGER SPANS & HEAVIER LOADS by Harris Hyman Bar joists can span up to 50 feet on 8 foot centers in most parts of New England. An introduction to the concrete and steel systems that support light-commercial buildings Making the move from porches, kitchens, and small houses to lightcommercial buildings can be exciting for the small contractor. The money is usually well into the six digits. The owner wants the job done on time, but is not likely to hassle you on each and every ding in the drywall. If the plans look straightforward and the subs give good prices, things may look great. Maybe they are. But your skills in residential construction will not automatically carry over into light-commercial buildings. The manner in which you
