GEA is experienced in the design of treatment plants ranging in size up to 80 million gallons per day (MGD), pump stations up to 35 MGD, and transmission systems, including interceptors, force mains and outfalls, as well as lateral sewers and collection systems. GEA has extensive experience designing activated sludge, trickling filter, rotating biodisc and natural wetland treatment systems.

GEA is involved in all phases of sewer system and wastewater management, including consulting , planning, preliminary and final design, preparation of plans, specifications and bid documents, bid evaluation, contract administration, construction supervision / inspection, plant startup and operator training.

PLANNING

GEA provides comprehensive sewer system and wastewater treatment planning studies, feasibility studies, master plans and wastewater facilities plans designed to meet the requirements of facilities, assess sewer system infrastructure and rehabilitation, and prepare maps, plans, tabulations, reports, and presentations. Additionally, the firm has the resources to perform infiltration / inflow studies, sewer flow monitoring and wastewater sampling programs.

SEWER SYSTEM STUDIES

GEA performs sewer system evaluation surveys and infiltration / inflow investigations to determine the condition of underground piping systems in order to design for system rehabilitation.

WASTEWATER FACILITIES DESIGN

GEA is experienced in the design of treatment plants ranging in size up to 125 million gallons per day (MGD), pump stations up to 44 MGD, and transmission systems, including interceptors, force mains and outfalls, as well as lateral sewers and collection systems.

SLUDGE (BIO-SOLIDS) MANAGEMENT

The firm has experience evaluating sludge management alternatives including land application of liquid, dewatered, or composted sludge and thermal reduction via multihearth or fluidized bed incineration with heat recovery. GEA has extensive experience designing thickening, anaerobic digestion, biogas processing, dewatering and drying facilities.

PRETREATMENT STUDIES

Assessment of the effects of priority pollutants on publicly owned treatment works include VOC and heavy metals source determination studies.