Gredell Engineering is highly qualified to provide CCR services with a thorough understanding and proper interpretation of the federal and state regulations.
The list of Solid Waste / Coal Combustion Residuals (CCR) services offered by Gredell Engineering spans practically all facets of permitting and compliance for the regulated community, as well as providing technical and operational support assistance, expert witness testimony, and site assessment evaluations. Solid waste landfill design and permit services are provided by Gredell Engineering staff with extensive experience as both regulators and consultants in the design, construction, operation and maintenance of solid waste landfills.
CCR IMPOUNDMENTS
Gredell Engineering CCR experience includes volumetric estimates, dewatering, clay liner evaluations, hazardous potential classification assessments, construction history, structural stability and safety factor assessments, and inflow design flood control system plans.
CCR Services
- Landfill Design
- Impoundment Closure
- Leachate Collection & Design Management
- Geological / Groundwater Evaluation (link loops back to Service level content)
- Regulatory Compliance / Technical Assistance
- Closure and Post Closure Plans
MUNICIPAL SOLID WASTE (MSW) & CCR LANDFILLS
Gredell Engineering has built its practice in Missouri’s power generation industry and municipal solid waste (MSW) landfills around the strength of our staff’s collective understanding of environmental regulatory compliance and the geologic and engineering design and construction needs that are required for implementation. Since 2003, Gredell Engineering has worked with eight of Missouri’s coal-
fired power plants on CCR-related projects involving primarily solids, process water and stormwater management.
MSW & CCR Landfills Services
- Landfill Design
- Landfill Gas Collection & Monitoring Systems
- Develop New Landfill Sites
- Expansion of Existing Landfills
- Leachate Collection & Design Management
- Geological / Groundwater Evaluation
- Regulatory Compliance / Technical Assistance
SOLID WASTE PROCESSING FACILITIES
Gredell Engineering provides solid waste processing and recycling services including preliminary planning, support for local permitting and providing the necessary plans, reports and supporting documents required to apply for and obtain a solid waste processing facility construction and operating permit for municipal solid waste transfer stations. Our services include assistance with obtaining a Missouri Department of Transportation (MoDOT) entrance permit, development of site grading plans for construction purposes and execution of a geotechnical engineering evaluations, including structural foundation design and specifications.
Solid Waste Processing Facilities Services
- Transfer Stations
- Recycling Facilities
Landfill & CCR Compliance:
Subconsultant to prime consultant Reitz & Jens, Inc. Services completed to date include preliminary site investigation and detailed site investigation at the Ameren Missouri Labadie Energy Center in Franklin County, Missouri. Current and pending work includes landfill design, construction permit application, public involvement, engineering management, groundwater monitoring and statistical analysis, and site access road design. Provide technical assistance for compliance with Franklin County zoning and environmental permitting. Project is ongoing.
CCR Landfill and Recycle Pond:
Services provided to date include completion of the detailed site investigation, landfill and recycle pond design, construction permit, St. Charles County landfill license application and operating permit for the Ameren Sioux Energy Center in St. Charles County, Missouri. Prepared modification to construction permit to allow for dry cell disposal of waste in 86-acre portion of the original 183.5-acre landfill and provide ongoing quarterly groundwater monitoring services.
Coal Ash Impoundments:
Responsible for development and implementation of groundwater monitoring system for NPDES compliance. Duties included preparation and submittal of a Site Characterization Work Plan detailing investigative methods and procedures, field work activities including piezometer drilling and installation, well development, aquifer testing, and monthly water level monitoring, and preparation of a Site Characterization Report describing the findings of the field investigation. Make recommendations for installation of a long-term groundwater monitoring system. Prepare sampling and analysis protocols for regulatory approval and conduct routine water quality sampling and reporting. Work began in 2016 and is ongoing at multiple facilities.
