By Jonathan Wallace, PE LDA’s Jonathan Wallace is committed to giving back. As a member of Engineers Without Borders Tri-Cities Chapter, he is part of the team dedicated to engineering global change.

By Mark Harrison, PE LDA’s Mark Harrison and volunteers from the North River Soccer Association  gathered to participate in the Tennessee Environmental Council’s 50k Tree Day and invest in Chattanooga’s infrastructure.  

By Greg Jones, PE After completing an evaluation of the gravity sewer system, an engineer will determine if problems exist. When a problem is identified, an engineer will determine the best sewer rehabilitation method.

By David Marcum, PE As a work plan is developed to evaluate the gravity sanitary sewer system, all of the infrastructure (assets) must be inventoried. A typical inventory would include the gravity sewer pipe sizes, lengths, materials and age.

By Jim Albert Geographical Information Systems are prevalent in our everyday lives, from smartphone push notifications to emergency dispatch centers. And while these are highly visible and above-ground applications, GIS also can be used in a bottom-up approach to water management.

By David Marcum, PE You awaken one morning to find work crews and loud equipment outside your house. You learn that they are in the process of rehabilitating city sewer lines, something that has rarely, if ever, crossed your mind.  Or maybe the problem is located down the street, and you’re not sure why workers with large and noisy vehicles … Read More

By David Marcum, PE The American Water Works Association has released its State of the Water Industry Report for 2014, which identified the top industry issues – infrastructure, long-term supply, financing for capital improvements and public understanding of the value of water resources, systems and services.

By Greg Jones, PE  Wastewater collection systems are underground and out of sight. However, when a sewer rehabilitation project accounts for nearly one-third of a city’s wastewater system, it affects the community in a big way. LDA Engineering recently assisted Morristown Utilities Commission with the rehabilitation of the Spring Creek basin, much to the city’s benefit.

By Jason Foster, PE When it rains, runoff takes the path of least resistance. Some water goes in the ground, and some does not. In urban areas, most water becomes surface runoff. This is a major component of the water cycle and the primary agent in water erosion.

By Eddie Wade, PE “We realize that you may never walk a mile in one of our nation’s heroes’ shoes, but you do have the opportunity to walk alongside them to honor what they’ve done.” This is what I read about “Carry the Load,” a group of people walking from West Point, New York, to Dallas, Texas, to bring recognition … Read More