As a relatively new concept to fire and life safety systems, intelligibility requirements will change how these systems are designed and installed. Designing for intelligibility can be complicated by a variety of factors. While the properties of the speaker have some impact on the intelligibility of a system, most factors have to do with the occupancy itself. So while important, speaker choice will not always ensure intelligibility.
Aspiration detection systems must comply with the state, local, federal and National Fire Protection Association (NFPA) codes and standards, specifically, the NFPA 72 (National Fire Alarm Code), NFPA 75 “Standard for Protection of Computer and Data Processing Equipment,” and NFPA 76 “Standard for the Fire Protection of Telecommunications Facilities.” Ultimately, the Authority Having Jurisdiction (AHJ) will dictate fire protection requirements. Although aspiration systems must comply with codes, they are not required by code.
Funds from the American Recovery and Reinvestment Act of 2009 (ARRA), the $787 billion economic stimulus package enacted and signed into law in February 2009, are now being disbursed. According to www.recovery.gov, the U.S. government’s official ARRA spending Web site, $25 billion of ARRA funds had been awarded as of December 2009. Only $18 billion of this sum has already been disbursed, however.
LifeSafety interviews Donald Goosman, construction manager at Rolf Jensen & Associates, a nationwide fire-protection and security consultancy, on the role of fire- and life-safety engineers during renovation projects. Q. Tell us the first steps you take to design the fire- and life-safety system for a building that is going to be renovated for a completely [...]