Solid Waste Service
From Civil / Environmental Services
The proper design and construction of solid waste landfills is becoming critical to quality of life. Being the first firm to obtain permitting for a bioreactor landfill in Florida, Jones Edmunds has been an innovator in solid waste management for more than 30 years.
Landfill Design and Closure
Jones Edmunds has completed a wide range of closure designs, from traditional clay and geomembrane covers to innovative covers including geosynthetic clay liners, geocomposites, and exposed geomembrane covers. Our closure approach is to maximize landfill capacity by providing the cutting-edge technology that allows steeper and longer slopes while maintaining stability and protecting the integrity of the environmental control systems. Our designs consider other factors such as stormwater controls and landfill operations and consider not only capital costs but life-cycle costs and long-term benefits as well.
We have designed and provided construction-phase services on several clay covers, including sites in the Northeast District such as Putnam and Clay County. Our project team includes geotechnical engineers with the training and experience necessary to work with clays in Florida. Evaluating alternative designs and future options is a key element in the Jones Edmunds’ approach. We have designed and successfully permitted some of the most innovative landfill concepts in the state, including exposed geomembrane covers, construction below groundwater, and early landfill gas collection and cessation of long-term care monitoring.
Bioreactor Systems
A bioreactor is a landfill specifically designed to allow for recirculation of liquids. As opposed to the traditional “drytomb” landfill, the objective of the bioreactor is to increase the moisture content in the waste to accelerate degradation. The benefits of the bioreactor include leachate management, enhance gas production, increased capacity and early stabilization. Jones Edmunds is a leader in bioreactor technology as evidenced by:
- The development of the SWANA Manager of Bioreactor Landfill Training Course and our instruction in every course taught.
- The award-winning Florida bioreactor demonstration project at New River.
- The bioreactor in Polk County which has recirculated over 21 million gallons of leachate and saved the County nearly $5 million in leachate disposal costs
Leachate Collection Systems
Jones Edmunds has designed numerous leachate management systems – from wet wells and sumps, to pumping systems and forces mains, and storage and loading facilities. We have developed bioreactors as a means of leachate management; for example, in Polk County more than 17 million gallons of leachate have been recirculated into the landfill, saving the County over $1.7 million in leachate disposal costs.
Jones Edmunds has also provided more traditional means of leachate storage, including lined storage ponds, tanks, and onsite treatment. For Lake County, we completed a cost-benefit analysis for different leachate storage tank options. For North Central Landfill in Polk County, we revised the entire leachate management system with new pump stations, force main, and SCADA system. We designed a complete storage tank facility for the new greenfield ACMS Class I Landfill and expanded the leachate storage capacity at the Hillsborough Southeast County Landfill by adding an additional tank. We have also been evaluating using wetlands to treat leachate on site and have incorporated wetlands treatment into our recent master plan for Putnam County. Our leachate management system experience includes study, design, and permitting associated with slurry wall landfills in Sarasota and Brevard Counties. We have evaluated the effectiveness of slurry walls and designed improvements to slurrywall collection systems. We have completed the design for the system in Sarasota County and will be involved with the bid and construction phase of the project. Currently, Jones Edmunds is under contract to develop a solution to restore an inward gradient along a portion of the CDF Slurry Wall Landfill. We are designing and implementing a cost-effective leachate system improvement that draws on existing infrastructure to reduce costs.
Groundwater Monitoring
When it comes to compliance monitoring at landfills, Jones Edmunds goes beyond the routine procedures and offers you a team that has the proven expertise and problem solving skills to keep you in regulatory compliance. Our field technicians each have over a decade of experience, providing you with continuity and consistency in service as well as an in-depth understanding of field environmental conditions and sampling procedures.
Jones Edmunds’ data management and reporting staff includes a Masters-degreed chemist with the experience to accurately review, validate, and interpret analytical data. Jones Edmunds uses our familiarity with your facility’s permit requirements and our landfill activity knowledge and experience to ensure that the operating contract is being followed in a logical manner while maintaining permit compliance. We review the permit in detail and input all time-sensitive tasks, such as groundwater monitoring and reporting, financial assurance documentation, and permit renewal deadlines into Jones Edmunds’ Environmental Database System. This permit database helps alert our clients and staff in advance of required permitting activities.
Our professional geologists and project managers have a successful history of applying groundwater problem-solving skills and a demonstrated track-record of providing cost-savings while maintaining regulatory compliance for our clients. Jones Edmunds has provided compliance monitoring services at over 40 landfill sites throughout Florida and Georgia. The services Jones Edmunds offers in this area include:
- Landfill gas monitoring
- Groundwater, surface water, leachate, and other media field sample collection
- Subcontract laboratory analyses and oversight
- Analytical results review, validation, and interpretation
- Comprehensive data management services
- Compliance reporting and regulatory agency interface
- Problem solving for contamination issues
- Complete program permit compliance management
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