Whether you have been on the job for one year or for 25 years, if you don't know sprinkler system basics, this is a good primer (or refresher) for you. Ron Kanterman
Fire Prevention & Protection

Many municipalities require the installation of smoke detectors in new homes and apartments, but Farmers Branch, Texas, a Dallas suburb, has passed a smoke detector ordinance that is retroactive under certain circumstances. It requires the installation of smoke detectors not only in all new residential occupancies, but also in existing homes upon a chance of occupancy or ownership, or after repairs or additions exceeding $500 in value.