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Last modified
10/4/2018 9:40:29 AM
Creation date
7/6/2018 10:55:36 AM
Metadata
Fields
Template:
PDD_Planning_Development
File Type
CU
File Year
18
File Sequence Number
1
Application Name
U of O North Campus
Document Type
Supplemental Materials
Document_Date
6/22/2018
External View
Yes
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UNIVERSITY OF OREGON <br />NORTH CAMPUS <br />CONDITIONAL USE & WILLAMETTE GREENWAY PERMIT APPLICATION <br />path, two recreational fields, and the Frohnmayer Bridge. Pumping of the Millrace is currently <br />maintained by the university. <br />The site of the current Knight Campus for Accelerating Scientific Impact project is located along <br />the north side of Franklin Boulevard between Onyx Street and Riverfront Parkway. It is not located <br />in the S-RP zone (and not subject to the Conditional Use Permit requirement), but will serve as an <br />important connection between the current main campus and the North Campus area. <br />6.3 Environment <br />As part of the site analysis phase of the project, environmental consultants with Mason, Bruce & <br />Girard (MB&G) conducted a riparian assessment of the project area to determine the extent of <br />Goal 5 and Goal 15 conservation areas and to assess the functional quality of the riparian corridor. <br />Riparian areas are typically defined as vegetated areas located adjacent to water that form an <br />interface between terrestrial and aquatic environments. These areas protect water quality, remove <br />contaminants, recharge groundwater, provide habitat for wildlife species, and provide flood <br />storage and channel stability. The City of Eugene code (EC) states that the applicable Water <br />Resources Conservation overlay zone, Ånot only conserves the physical resources but also <br />protects the water quality within the resource areas as a fundamental and essential requirement for <br />continued survival of these biological systemsÆ (EC 9.4900). The overlay zone establishes <br />conservation setbacks that guide the planning, implementation, and management standards for <br />multi-use development. These setbacks are established landward from a waterbodyÈs top-of- <br />high-bank (TOHB) or a waterbodyÈs ordinary high water mark (OHWM). Riparian areas within the <br />City are defined in the EC by a 100-foot setback from the TOHB and a 120-foot setback from the <br />OHWM. <br />Existing conditions within the project area have been altered in comparison to historical conditions <br />due to various prior development, vegetation management, and soil compaction. Most notably, <br />the project area contains a large amount of fill, which has altered physical and biological function <br />of the riparian habitat. The use of riprap, introduction of invasive species, and impact of foot traffic <br />has also degraded the bank of the Willamette River. However, the project area still functions as <br />habitat for several terrestrial and aquatic species. The project area also includes approximately 33 <br />acres of disturbed habitat in the form of maintained grassy fields. These fields are partially within <br />the 100-year floodplain. The project area is divided into aquatic habitat, riparian habitat, and <br />upland habitat for analysis, and further split into the Millrace Slough, and the Willamette River. <br />The project area was analyzed for baseline functional conditions, which include temperature and <br />shade, channel stability, flood storage, groundwater recharge, sediment and contaminant removal, <br />and fish and wildlife habitat. Overall, the assessment documented riparian functions at 57 points <br />throughout the Study area. The project area provides many of the necessary functions necessary <br />for healthy aquatic and terrestrial ecosystems. However, these ecosystems are also influenced by <br />other factors that occur outside of the Study area. More explicitly, the streambank of the <br />Willamette River is conducive to supporting native aquatic species, and the riparian vegetation <br />along the Willamette River and Millrace Slough streambanks reduces erosion, supports <br />groundwater recharge, and provides shade and habitat for wildlife species. <br />The project area has a history of disturbances associated with multiple land uses that have <br />degraded the native vegetation composition throughout the site. In addition, it is expected that <br />areas with compacted soils may have reduced riparian/floodplain functions. Lastly, there are <br />Cameron McCarthy FINAL SUBMITTAL | June 22, 2018 37 <br /> <br />
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