Richard Holt, P.E., manager of our Pulaski, Tennessee office, is an initiated member of the Order of the Engineer. This is a prestigious organization that fosters a spirit of pride and responsibility in the engineering profession. The organization also bridges the gap between training and experience and presents a visible symbol identifying the engineer to…
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The practice of surveying dates back to 3000 BC when the Egyptians had to re-establish farmland boundaries after the flooding of the Nile. Land surveying methods were also used in the construction of the Great Giza Pyramid. Today, land surveying is a sophisticated scientific technique that uses technology to measure and determine points on the…
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Before working at Sain, I was a career counselor at a law school. During that time, I helped students prepare for interviews, supported them when they didn’t land their dream job, and watched them shape their career paths with internships. Here are a few things that a past career counselor would say to encourage you….
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In honor of National Roundabout Week, we’re sharing a throwback blog from 2016! A few years have passed since it was last published, but one thing remains the same – roundabouts are a proven safety countermeasure because they can substantially reduce crashes that result in serious injury or death. Roundabouts can improve safety, promote lower…
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Is the buckle too tight? Is it tight enough? My husband and I were suddenly aware of how little we knew as we packed our daughter into her car seat for the very first time. According to the CDC, an estimated 46 percent of car seats and booster seats are misused. As a first-time parent,…
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You may know that mile markers, or mileposts, alert drivers of their location along an interstate or highway, but did you know about the other functions they serve? Mile markers are used to indicate the distance traveled within a state and the distance to a destination, such as a city or a town. The mileage…
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Many Southern Middle Tennessee drivers have already traveled through the work zone at Exit 46 on Interstate 65 (I-65) in Maury County. The construction will last approximately three years, but the process started nearly two decades ago. The Tennessee Department of Transportation (TDOT) contracted with Sain Associates in 2002 to begin planning for modification of…
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Greek inventor Archimedes once said, “The shortest distance between two points is a straight line.” This idea is such a simple concept and can be seen in so many parts of life. For example, babies understand this concept when crawling towards their parents, and predators understand this notion when chasing their prey. In engineering, we…
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Did you know a storm drain is the portion of a highway drainage system that receives surface water through inlets and conveys the water through storm pipes to an outlet? When determining pipe size, one must consider factors such as flow and elevation. A storm drain is usually a circular pipe because it is structurally…
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There are over 1.8 million registered electric vehicles in the United States, a threefold increase from 2016. As electric vehicle (EV) batteries become lighter and the travel range increases, electric vehicles will become increasingly prevalent across the country. The rise in electric vehicles on our roadways has led to an increased demand for EV charging…
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