Agenda Packet 3-14-18 Work Session

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EXECUTIVE SUMMARY () continued New construction techniques such as in-place recycling (also known as in-place cement treated base) which strengthens existing roadbed materials for reuse and lowers impacts to the environment have been successfully used in place of conventional reconstruction techniques and resulted in additional cost savings. Lane Transit District(LTD) West Eugene EmX project has increased the number of concrete street lane milesby constructing . Many distresses previously reported in these areas were eliminated through this project. It is also important to note that the backlog estimate does not take into account the repair needs for concrete streets, unimproved streets, sidewalks, off-street shared-used paths, or other elements of the transportation system. The 2018 report uses three funding scenarios to project treatment needs and costs over a 10-year period. The analyses for all three scenarios use costs updated by Public Works Engineering in 2016 and are adjusted to include a 2 percent inflation factor. Following is a summary of the analyses: Based on the projected funding (see table pg. 17), a $182 million backlog is projected in 10 years. Last year the projected backlog was $200 million in 10 years. Bond funding will end in 2023,decreasing pavement preservation from an average of $11.9million to $3million unless additional funding is approved beyond 2023. With the approval of the 2017 bond measure,it is projected that arterials and collectors at a reconstruct level are eliminated. By the tenth year, in addition to projected funding $8.2 million will be needed to prevent arterial and collector streets from falling into a reconstruct range. In addition to current and projected funding, $5 million annually is needed to prevent residential streets from falling into the reconstruct category and to eliminate the reconstruct backlog in10 years. 2