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February 13, 2018
Structure Support On Laterally Swept Piles
Anyone who has observed a significant number of piles has seen that, inevitably, the pile is not perfectly straight after driving. In spite of the best efforts of contractors, there are a whole host of reasons for piles to end up out-of-plumb or to have a curve, sometimes referred to as pile sweep. For two, recent projects with numerous swept pile, the available research was determined to be limited in application given the investigated pile sizes, lengths and measured sweep. As a result, the project team chose to perform static load testing to evaluate the ultimate resistance of the swept...
May 14, 2018
[OnDemand Webinar] What Lies Beneath: Environmental Concerns In Construction
Do any of these scenarios sound familiar? While replacing municipal utilities the excavation contractor pulls up a greenish-gray bucket of soil smelling like diesel fuel. During construction of a new downtown office building on an existing parking lot, it was discovered that the previous building had simply been knocked-down and buried beneath the pavement. Redevelopment of a blighted property is all set to go, as soon as the abandoned buildings can be safely torn down and properly disposed of. Historical activities that occurred on or adjacent to a property often leave hidden contamination or buried debris in the subsurface. Sometimes...
September 25, 2018
Construction Stormwater Permits and Compliance: Why You Need a Stormwater Pollution Prevention Plan
What Are Construction Stormwater Permits? Construction stormwater permits are a set of regulations that aim to eliminate pollutants in stormwater runoff at construction sites. Federal stormwater regulations have been around since the 1970s and have continued to become more and more stringent with each reissuance of the Environmental Protection Agency’s (EPA) Construction Stormwater General Permit. These days, most states have their own set of regulations described in their construction stormwater permits which owners and operators must abide by. Additionally, most large municipalities have ordinances, and many watershed districts also have their own set of regulations. State and local requirements often...