5.3. & 5.4. PCSR 06-09-2009 - Laserfiche WebLink

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The SDA will be closed in a series of phased construction projects. The anticipated closure sequence and timing for the SDA is shown in the following Table 2. The timing of construction will be dictated in part by incoming waste volumes, as well as site operations to maximize gas production. This phased closure will allow the staged development of the proposed passive recreational end use of the facility. Closure of the landfill includes the engineered cover system, gas collection components, and the surface water controls as approved in the MPCA permit application documents. Table 2. Anticipated Closure Sequence and Timing Cell Number Approximate Year of Closure Approximate Acres Closed 18 2014 15 19 2016 8 20 2018 7.5 21 2020 7.5 22 2023 7.5 23 2025 8 24 2029 8 25 2033 35 The City of Elk River, as well as the MPCA and Sherburne County, will be notified of impending phased closure at the ERL prior to initiation of closure construction. The City of Elk River will also be notified of any end use construction that may take place with the phase closure construction. The details of the final closure project will be detailed in the notification for final closure and will include a notification process for regular customers and in area newspapers. Additionally, the ERL will post a sign at the site's entrance sixty days prior to closing for waste acceptance that notifies landfill customers of the closure date and alternative disposal locations. Landfill final closure activities will proceed within thirty days of receipt of the last load of waste. The ERL will update the City of Elk River as to any revisions to the closure sequence as incoming waste volumes may change over the life of the SDA. Any change in filling rates that were assumed during preparation of this closure sequencing will likely result in a change to the schedule for construction of closure stages, but would not likely change the size of the areas to be covered during the closure stage. It is possible that phased development of the selected end use for the site can be designed around the anticipated closure sequence. 1.2.8 LANDFILL END USE PLAN End use plan concepts have been prepared for the SDA and are presented in Exhibit 5. This End Use P/an was finalized in early 2009 to present a series of conceptual end use possibilities to the Elk River City Council. The end use ideas presented in the attached End Use P/an were developed for the property that includes the existing facility, as well as the SDA, and are based on a series of end use related meetings held in 2002 and 2008 with members of the Elk River community. Based on comments received recently from City Council members, City staff, and other members of the Elk River community, the ERL has recently worked with our consultants to modify the layout of the facility. The modifications made to the design represent a reduction in the landfill footprint to increase the amount of property in the vicinity of the TH 169 and 221St Avenue intersection available for future commercial development. These changes to the layout vary from those presented in 2002 and 2008 during the end use planning process, and as contained in the attached End Use Plan. Elk River Landfill SDA W ~ Bonestroo N/en~l< Section 1-8 Land Use Application «R.,... ,.o.. • •