Agenda - 06-16-2009 - 6-2-c - Laserfiche WebLink

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C) 'fI"~i`~~ Consulfin En ineers a~ul `~ 2ied Scienfisfs Memorandum R Page 2 of 4 had been prepared using a different methodology, operational assumptions specific to May 2008 that had changed by 2009, and different equipment acquisition upgrade assumptions. On May 21, 2009, Chapel Hill requested that the number of residential collection routes be changed from 14 to 16. This change was incorporated into the analysis and the results were confirmed with the Town. Tables lA and 2A, below, present the final vehicle emissions and additional off-route hauling costs incorporting the Town's requested changes. TABLE 1A' Revised Total Estimated Additional Emissions from Additional Off-Route Miles2 .. ~.. •. NOX 46,228 (44,746) 115,886 (112,728) 129,037 (125,195) Particulates 2,287 (2,214) 5,734 (5,578) 6,385 (6,195) Non-Methane HC 16,922 (16,380) 42,422 (41,266) 44,859 (43,576) C02 4,020,641 (3,891,743) 10,079,176 (9,804,524) 11,222,991 (10,888,847) Sources: 1. Greening Garbage Trucks, INFORM, 2003 2. EPA Office of Transportation and Air Quality. Emission requirements for vehicle models older than 2007 are assumed through 2015. Emission requirements for 2007 vehicles and newer are assumed in 2016 and later. 3. Dieselnet.com Revised to incorporate additional residential collection routes in Chapel Hill per May 21, 2009 requests. Emissions previously reported are in parentheses. ZEmissions based on total additional off-route miles by all local governments to each respective transfer station instead of to Eubanks Road Landfill. J' IProjectslOiange County11015! I7RANSFER S!TlNG PROJECTIDOCSI2009_06-01-Gayle ~Ison - TSHauI Cose Malyses Revised -Chapel HilLdoc 4'f,' i56"tti{1i~ ~COIY iACL.Y~ciMl f~OYU ~ ifL67S ~ ~ ~i~C B!lHICVi3YI, SUttC tJ4Jr Yom, ir""J 527-3227 Gb~Maf~e,1VC 28Zt7 (744) 527--3228 weraulv>Q.mm