Sewer Rehabilitation: Rehabilitation Methods

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.

Sewer rehabilitation: Evaluation

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.

Geographical Information Systems and Water Management

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.

Sewer Rehabilitation: Necessity

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


Event supports sustainable living, business operations, building practices As a leader in sustainable development in East Tennessee, LDA Engineering is proud to sponsor the 3rd Annual Rooftop Hop, which benefits Green Spaces, in downtown Chattanooga on Oct. 11. Green Spaces is a local charity, created in 2008, that promotes sustainability in all aspects of daily life.

State of the Water Industry Report highlights top industry issues

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.