Agenda - 04-21-2009 - 6a - Laserfiche WebLink

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Based upon the landfill volume calculations prepared from the Apri12008 topographic survey, the estimated remaining life of the facility was approximately 38 months (from April 2008) given an annual acceptance rate of 55,000 tons of waste per year (TPA. This established May 2011 as the approximate date when the South Eubanks Road MSW Landfill would reach its permitted capacity (and would, therefore, result in 26 months of remaining capacity remaining from April 2009). Since this time, Orange County (County) has implemented various additional changes in operation to conserve landfill disposal capacity. The additional steps taken to preserve and extend landfill capacity were expanding the use of alternative daily cover from about 3.5 days/week to at least 4.5 days/week, purchase of a larger compactor to increase the in-place waste density (tons of waste per cubic yard of air space), implementation of curbside collection of cardboard (including increased regulated recyclable material ordinance enforcement within the residential sector), and requesting that UNC temporarily divert their waste to anon-county disposal facility. Additionally, the County established two other steps that significantly increased capacity. In the summer of 2008, staff rebuilt the northeast slope of the MSW landfill -reestablishing the permitted grades that had settled due to the decomposition of the waste. The decomposing waste created additional air space that was refilled with waste during the rebuild. This summer, staff intends to complete the last of the rebuilds by reconstructing the southeast slope, which will reclaim permitted air space. Finally, even with the redirection of some of the construction and Demolition wastes to the MSW landfill, the total incoming tonnages have fallen from about 55,000 tons per year to about 47,000 tons for the current year. Based on a new survey in March 2009, the net effect of these actions appears to be to extend the May 2011 capacity date to about July or August of 2012 (including the estimated capacity created by this summer southeastern slope rebuild). These actions and the resulting capacity impacts, if confirmed, will either reduce the need for a contingency plan or at least reduce the duration of a contingency plan. Therefore, the Contingency Plan contained herein defines a hierarchy of additional options available to the County to further conserve landfill capacity over the next 24 to 36 months as required to accommodate implementation of the proposed transfer station or to manage the waste alternatively should the landfill reach capacity prior to the transfer station being available. Staff is in the process of verifying the recent survey calculations, but itrs likely that some additional capacity has been created. Contingency Plan 1 Apri116, 2009