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PROPOSED PROJECT PURPOSE AND DESCRIPTION <br /> Project Purpose and Need: The Eugene Airport is the largest airport facility between Portland and San Francisco. It has seen <br /> consistent Increases in ridership and must develop a facility sufficient to handle larger and more numerous aircraft This includes <br /> development of a new approach that will shy Arrport Road beyond the Rumvay Protection Zone and move traffic more efficiently <br /> through the intersection with south Greenhill Road <br /> Project Description: This permit application is the final phase of Corps Permit # 1999-01575, which included all projects <br /> identifred in the 1999 Master Plan process as occurring within 10 years of the Master Plan. S separate phases of development were <br /> proposed <br /> for a total of 1 S acres of impacts to jurisdictional wet/ands. The first 4 phases have been constructed and Phase S, the <br /> Airport Road Realignment project, is plannedfo? construction in 2006. <br /> ;The Airport Road Realignment Project will shy the existing road to the south approximately 1000 feet to the south, avoiding <br /> ~mpdcts to a pond system managed by ODFW <br /> for pond turtle habitat and placing the new road beyond the Runway Protection <br /> ,Zones The intersection with the southern leg of Greenhill Road will be realigned to allow for non-stop traffic, flow to and <br /> from the <br /> rt irport. <br /> A new'air trpf}?c control device wit! be installed at the southern end of <br /> the new rumvay, requiring a small structure and lighting <br /> System. <br /> approximately 3.89 acres of agricultural wetlands and drainages will be permanently impacted by this project. Sub-excavation will <br /> remove approximately 1000 cubic yards of organics, silts and clays from jurisdictional areas, and approximately SSOD cubic yards <br /> gfgravel, culverts and pavement will be placed within jurisdictional wetlands. Temporary impacts wilt be avoided by carefully <br /> lpcating staging areas and traffic beyond remaining wetlands. <br /> ~'he City will utilize the West Euge»e Wetlands Mitigation Bank jar their compensatory mitigation requirements. <br /> Material will be brought to the site via the marry roads which presently surround the area. Approximately 8S, 000 cubic yards of <br /> rrjatertal will be imported by trucks. This material includes all base materials, surface treatments and soils required to build the <br /> r~ew roadway. Access roads will be developed around the perimeter of <br /> the project area, within a newly built security fence. <br /> The hydrological characteristics of <br /> the project vicinity will not change beyond the limits of the filling activity. Wlthtn the project, <br /> exlstl>tg drainages will be crossed with culvert pipes beneath the realigned Airport Road Beyond the project area water will <br /> continue to flow primarily overland to the north and west, entering those drainages still open along the perimeter of the site and <br /> then to the A-1 Channel. <br /> Hiow many project drawing sheets are included wiW this application? <br /> NOTE: A complete application must include drawings and a location map submitted on separate 8-1/2 x 11 sheets. <br /> Wfitt a~ material, construction debris, runoil; etc. enter a wetland or waterway) o Yes X No All BMP's will be implemented <br /> Ifyes, describe the type of discharge (above) and show the discharge location on the site plan. <br /> E~timated'Statt Date: 6/1/06 Estimated Completion Date: 10/15/06 <br /> 5.1 PROJECT IMPACTS AND ALTERNATIVES <br /> !DSscribe alternative sites and project designs that were considered to avoid impacts to the waterway or wetland. <br /> Several alternatives to the proposed project were considered The No-Build Alternative was considered but discarded as it resulted <br /> In Ithe complete closure ofAirport Road due to the unresolved conflict with the Rumvay Protection zone; loco/ tra, <br /> fflc would be <br /> Sullject to substantial out-of-direction !ravel. Several alternative alignments were considered but the promoted alternative was <br /> .elected due to the ability to achieve minimum horizontal curves, established by standards for particular design speeds, while <br /> avgidi»g the highest valued natural resource in the vicinity -the ODFW pond along existing Airport Road known to support a <br /> large population of western pond turtles. The current proposal calls for 3 lanes (including a central turn lane), required due to the <br /> geed <br /> for tapering sections in advance of the left-turn movements at both the eastern and western segments of Greenhill Road and <br /> rbew Airport Road <br /> <br /> Coyote Creek Emironmeruol Services o,~ce: (541) 484-7936 <br /> <br />