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w. <br />• ~ Exhibit A <br />Environmental Solutions, LLC <br />Nancy Holzhauser: Consultant <br />55646 Drury Drive Phone: (541) 822-1090 <br />Blue River, Oregon 97413 Fax: (541) 822-1053 <br />December 7, 2005 <br />City of Eugene <br />Parks and Open Spaces <br />1920 Roosevelt Blvd. <br />Eugene, OR 97402 <br />ATTN: Eric Wold <br />PROPOSAL FOR PROVIDING WETLAND DELINEATION SERVICES <br />For the Cantrell Road Site, Lane County; Oregon <br />T18Sm R5W, west 12/ section 1, Tax Lot 100 <br />Dear Eric: <br />This proposal is to complete a wetland delineation for the approximately 240-acre ryegrass field located <br />off Cantrell (Central) Road west of Eugene. This proposal and fee estimate is for completion of field <br />work and a wetland delineation report for an onsite wetland delineation per Oregon Department of State <br />Lands (DSL) and US Army Corps of Engineers (Corps) procedures for delineations on agricultural sites. <br />This proposal does not include having sample plots and wetland boundaries professionally surveyed; it is <br />assumed that the surveying will be conducted by the City of Eugene. <br />1.0 PROJECT APPROACH <br />The wetland delineation study will be completed using the method for agricultural sites"with vegetation, <br />soil, and hydrology alterations such that the determination of wetlands is based primarily upon hydrology <br />and hydric soil indicators, in accordance with the US Army Corps of Engineers (Corps) 1987 Wetland <br />Delineation Manual. Environmental Solutions LLC will also determine if there are areas'with indicators <br />of hydric soil that have been effectively drained such that hydrology indicators are no longer present, and <br />delineate those areas separately to assist in your mitigation planning. In order to determine wetland <br />conditions on agricultural land, wetland hydrology indicators (saturated soils in the top 12 inches of the <br />surface and/or inundation) must be present for a long enough time during the growing season to enable <br />wetland vegetation to survive- however because the vegetation has been converted to an agricultural crop, <br />that determination must be made on duration of hydrology only. Secondary . hydrology indicators can also <br />be used alongside direct observations (ie. historic aerial photos, drainage patterns). Therefore the <br />established protocol involves a minimum of 2 site visits with 3 recommended; within a 14-21 day period <br />in the early part of the growing season. The first site visit involves establishment of transects and <br />evaluation sample plots, the.second and third are to revisit those sample plots to document hydrology <br />information. The site visits are typically conducted no more than a week apart, preferably a few days <br />after rain in order to allow for some percolation and provide a more accurate picture of the hydrology than <br />if conditions were documented during periods of rainfall. It may not be necessary to conduct a third field <br />visit, if strong hydrology indicators are present throughout the site, as you have indicated. <br />All wetland/upland boundaries and sample plots will be marked in the field. Following the field' survey, <br />the City of Eugene will complete the land survey, including mapping of the sample plots and the wetland- <br />upland boundaries. A wetland delineation report will be completed which should satisfy the requirements <br />of both the Oregon Department of State Lands (DSL) and the Corps. <br />2.0 SCOPE OF SERVICES <br />Determination of the presence and location of wetlands will be based upon the guidelines in the 1987 US <br />Environmental Solutions LLC Proposal for City of Eugene <br />Wetland Delineation on Tax Lot 100 of Tax Map 17-05-01, west of Eugene, Oregon -December 2005 Page 1 <br />