Tag Archives: Phoenix AZ

Indoor Air Quality — Healthy Buildings

Indoor air quality (IAQ) affects us all. We want the air we breathe to be clean, allergens (respiratory and topical skin irritants) to be lessened, and exposure to hazardous chemicals and other materials to be non-existent in the structures where we work and live. Poor IAQ potential sources cover a wide range of possibilities and…
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It Pays to do the Dirt Work First

Just as construction projects start from the ground up —  so does the project design.  Doing the soil work first, in the form of a geotechnical site evaluation, is a sensible first step to take for a successful design.  A qualified geotechnical engineer should be one of the first “boots on the ground”  design professionals…
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How The Rubber Met The Road

Something great was being cooked up in Mrs. McDonald’s kitchen in the 1960’s. Her husband, Charles McDonald, an Engineering Supervisor for the City of Phoenix at the time — melted, mixed, (in Mrs. McDonald’s kitchen) and spread out his tire taffy on the roads of Phoenix and became known as “The Father of Asphalt Rubber”.…
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Certification of Batch Plants in Mongolia

While in Mongolia I did certifications of five concrete batch plants. Certification is a little different than those Western Technologies normally does. The equipment is manufactured in China, thus they do not have the plant and truck ratings that we have in the USA. I had to perform uniformity test at each batch plant. This…
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Living with Hot Weather

One of the problems of doing concrete construction in the southwest is “living with the heat!” During the hot weather, concrete can be difficult to finish, more likely to crack and have lower long-term strength. I have been working with Infrared thermometers that can help contractors. The infrared thermometer measures the infrared energy given off…
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