AEI Engineering has extensive experience in the design of new wastewater facilities, including concrete and steel wastewater plants, lift stations, force mains and collections systems.  AEI also specializes in rehabilitation designs and equipment retrofits for wastewater plants.  Additionally, AEI has overseen the rehabilitation of hundreds of thousands of feet of sanitary sewer pipe by various methods, including cured-in-place pipe lining, pipe-bursting and removal and replacement.  AEI also has experience in unique wastewater system designs and use of innovative treatment technology such as tertiary disk filtration and sequencing batch reaction processing units