2022-058-E-Solid Waste-Draper Aden-Engineering

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Engineering Surveying Environmental Services Draper Aden Associates Section Seven Approach and Understanding 37 and construction projects in a timely manner. Additionally, our involvement with trade organizations such as SWANA, and our work in the solid waste industry across several states enables us to be in the forefront of the changing industry and apply new technologies to the benefit of our clients. Two significant challenges for operating landfills are soil resources for liner systems, daily cover and closure, and leachate management and treatment. As noted in Section Two, which describes our relevant work, we have successfully completed soil borrow studies and leachate system design. Since leachate from the Eubanks Road landfill is discharged to the sanitary sewer, leachate management and treatment may be less of an issue for the OCSWM compared to other facilities; however, maintenance of the collection system and strategies to minimize leachate generation will help to lower future operational costs. Landfill Gas Management Landfill gas management is important not only for regulatory compliance, but also for managing operational issues such as odor control and minimizing a source of VOCs to leachate and groundwater. As noted in Section Two: Experience, we have completed Title V permitting and greenhouse gas reporting for several clients. Our field services personnel have successfully operated and maintained active LFG collection systems. This includes monitoring gas production and optimizing gas extraction by balancing the system and isolating areas of the system that require repair as landfills settle. One particular success is at the Henrico County, Virginia, Springfield Road Landfill where LFG is being extracted to generate electricity. A year ago the system was extracting approximately 540 scfm from the landfill. During the past year, through trouble-shooting, balancing, and repairing the extraction system we have optimized the extraction rate and are now pulling 950 scfm with over 50% methane and less than 0.5% oxygen. Solid Waste Facility Operations Assistance Our staff is prepared to assist the OCSWM with operations at the Eubanks Road Facilities. Several of our local staff are licensed Landfill Operators (MOLO) through SWANA and have a wealth of experience with multiple sites across North Carolina and other states. Our engineers, field services personnel, construction managers, and surveyors have decades of experience in the solid waste industry and can provide the input needed to optimize your operations. Additionally, our network of solid waste clients can put you in touch with other operators who can also provide insight and assistance. Transfer Station and Convenience Center Design With the possibility of OCSWM permitting and constructing a solid waste transfer station in the near future, DAA is prepared to assist OCSWM with the many steps and components necessary for a successful project. As you are aware, gaining the support of the public, local residents, and the governing board is a must. We have successfully assisted our clients with public presentations, data gathering, creation of exhibits, and arguing on their behalf to help a project gain the support and approvals necessary to move forward. Our in-house design team includes the expertise necessary to design a solid waste transfer station or a small waste convenience center for OCSWM. DocuSign Envelope ID: 09434BEC-1F7E-41E5-A9D1-4CA5D7ECE339DocuSign Envelope ID: 730B0EA2-D934-4504-B42A-928DAE22F3FBDocuSign Envelope ID: C1C843D1-0612-4ACA-B0CC-D3438AF3B3FA