Prevention through Design is a new phrase for a good idea — that design decisions can make buildings safer to construct and maintain throughout their life cycle. The concept is finding increased support. For example, The National Institute of Occupational Safety and Health (NIOSH) is promoting PtD, and there is a new LEED pilot credit… Read more »
The CN Tower in Toronto, completed 40 years ago, is hit by lightning about 75 times a year. Fortunately, the nearly 1500 ft. high structure has a lightning protection system. The air terminals, conductors, and grounding electrodes were recently inspected and found to be none-the-worse for wear. photos: Duncan Rawlinson (CC BY-NC 2.0)
National Fire Protection Association (NFPA) is a global nonprofit standards-writing organization devoted to eliminating death, injury, property and economic loss due to fire, electrical and related hazards. Their document, NFPA 780 — Standard for the Installation of Lightning Protection Systems, is recognized as the basis for lightning protection systems in North America. The standard can… Read more »