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Q: I've always thought that building codes leave a pretty generous margin for error when specifying allowances for snow loads, but a series of recent storms and a lot of drifting have resulted in some collapsed roofs in my area. I've seen some roofs with large loads on one side and virtually none...
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These common errors could lead to expensive callbacks later on.
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"Bye Bye Incandescent?" Lecture Series, Part 5: Compact Fluorescents, Mercury, and Writing a Non-toxic Lighting Specification
On Feb. 13, 2008, the New York chapter of the Illuminating Engineering Society held the fifth installment of its "Bye Bye Incandescent?" lecture series. The focus of this segment included critical information and discussion regarding the impact of mercury sources in our landfills, the challenges of...
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IALD Education Trust Lighting Education Program Survey
The lighting education program survey is one of the IALD Education Trust's many initiatives. The 11 programs included in the survey signal the increased awareness of lighting design and the demand for substantive academic programs to educate and train the next generation of lighting design...
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How to Build a Concrete Canoe
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Precision Fluorescent Staff Announcement
Precision Fluorescent has named D. Joseph Martin as its vice president of engineering.
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Q: Last spring, I installed floating engineered flooring over the original vinyl-covered concrete-slab floor of an old New York City apartment. Even though I followed the manufacturer's installation guidelines, the 8-inch-wide planks began to cup, and cracks measuring 1/32 to 1/16 inch opened up...
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Where the codes once concentrated mostly on verifying that buildings could handle gravity loads, now coastal homes must also resolve the complicated load effects associated with high winds: uplift, shear (or "racking"), sliding, and overturning. Ted Cushman takes a closer look at one kind of...
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ENGINEERED LIGHTING PRODUCTS
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Testing spray-foam jobs; ridge beams and collar ties; safety reminder; more