When a fire occurs on a roof of a commercial building, it is often a spectacular event. Thick, black smoke is usually showing, often from miles away, and at first glance it can appear that the ...

Question: Raceways installed below metal roof decking must be installed at least 1-½ in. below the lowest point of the metal decking. Explanation: While it is true that Sec. 300.4 (E) requires ...

A cable, raceway, or box installed under metal-corrugated sheet roof decking shall be supported so the top of the cable, raceway, or box is not less than _____ from the lowest surface of the roof ...

Fires at commercial occupancies are one of the most difficult operations firefighters and officers encounter. These fires are resource intensive and dangerous, and our record of performance at such ...

Steel trusses can elongate and push on supporting walls, which can collapse. If the wall resists failure the truss will buckle. At higher temperatures they start to soften and fail. If supporting a ...

Houses are money pits. Between the taxes, the maintenance, and the repairs, it’s a wonder anyone can afford to own one. One way to save money on home-related expenses is to take on some home repair ...

Clark and Marcia Silcox have lived on the northern edge of Capitol Hill since 1982—back when, Marcia recalls, “there was only one grocery store.” When the weathered deck atop their garage needed a ...