04-07-2010 SITE PLAN REVIEW PACKET

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2.8 LANDFILL CLOSURE The ERL has site-specific provisions in place for the closure of the landfill in accordance with their site permits. The ERL guarantees these closure activities, as well as post- closure care and. potential contingency actions that may be required, through the use of a surety bond in accordance with the financial assurance requirements by the MPCA. Closure-plans for the existing portions of the facility have previously been approved by the MPCA, Sherburne County and the City, and upon submittal of the necessary MPCA permit application for the proposed increase in footprint, updated closure, post-closure and contingency action plans and cost estimates will be submitted. Final contours, surface water drainage calculations, and an end use plan are included in this submittal. As the ERL enters closure of the landfill, existing fencing will be utilized and supplemented as necessary for the purposes of security. After final closure of the site, while the entire site will be secure, certain portions of the site will be secured such that only those persons authorized by the ERL will be permitted in these areas to perform closure and post closure activities. 2.9 CLOSURE CONSTRUCTION. The proposed expansion will be closed as part of a phased closure construction. The anticipated closure sequence and timing for the proposed expansion will occur i~1 approximately 2018, as part of the final phase of closure construction. The timing of construction will be dictated in part by incoming waste volumes. Closure of the landfi l l includes the engineered cover system, gas collection components, and the surface water controls included MPCA permit application documents and approved by the MPCA. The City, 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 details of the T:\0742\] 40[\CimApppeb\FEB Repon_6na1 (2). doc 1- 7 O