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Item C: Review of Implementation of Street Bond Measure
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Item C: Review of Implementation of Street Bond Measure
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2/20/2013
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SUSTAINABILITY <br />The City of Eugene continually strives to improve the quality, environmental footprint, and cost <br />efficiency of its projects. In 2012, Eugene continued to use warm mix asphalt pavement and in <br />place recycling to meet these sustainability criteria. <br />Warm mix asphalt continued to be specified for all the paving projects in 2011 in place of <br />conventional hot mix asphalt. As explained in the Key Terms section of this report warm mix <br />asphalt provides environmental and human health benefits as well as a potentially longer lasting <br />product. The National Cooperative Highway Research Program ( NCHRP) estimates that there <br />is a CO savings of 12 pounds per ton of pavement using warm mix as compared to hot mix <br />asphalt. The NCHRP also estimates that the use of warm mix asphalt reduces the energy used <br />in the asphalt batch plant by about 30% compared to hot mix asphalt. <br />In -place recycling (see Key Terms) was used on the street bond projects on 24th Avenue, <br />Augusta Street, Riverview Street, and Royal Avenue. It is estimated that using the in -place <br />recycling process for these streets eliminated the need to excavate and haul away 22,000 cubic <br />yards of material and eliminated hauling 39,000 tons of new base rock to the site, saving over <br />3,500 truck trips for the four streets. <br />The City of Eugene started using the in -place recycling process to realize the environmental, <br />economic and social benefits to the community that can come from this type of process. The <br />reduction in land filling, material mining, and truck hauling all have direct environmental benefits; <br />the reduction in excavating existing roadway materials and importing virgin construction <br />materials have direct economic benefits; and the reduction in construction time has a direct <br />social benefit. <br />Funding Status and Forecast <br />In 2012, construction costs increased significantly over early bond years. For example, <br />according to global energy advisor Poten & Partners, Inc., the average price for asphalt cement <br />in the Portland area in June 2011 was $541 per ton and in June 2012 was $639 per ton, an <br />increase of about 18% (published on the Oregon Department of Transportation (ODOT) <br />website and used to calculate asphalt escalation factors). According to the Construction Costs <br />Forecast by ODOT (published October 2012) ODOT projects that construction costs will <br />continue to increase at a more steady rate rather than with the volatility of recent years, for a <br />variety of reasons: <br />• Extreme volatility in fossil fuel market is not expected, with prices remaining steady over <br />the next few years (with seasonal fluctuations). <br />• Construction materials cost forecasts a "bump up" for the remainder of 2013 with steady <br />increases through 2016 with producer prices overall steady (forecast average change <br />per FY 3.1 % through FY2020). <br />• Machinery /equipment cost forecasts a bump up for the remainder of 2013 and then <br />normal or average prices overall (forecast average change per FY 2.3% through FY <br />2020). <br />2012 SRRP REPORT <br />
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