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very similar index and engineering properties; and <br /> (3) . A fill unit consists of material placed during previous construction <br /> activities at a site. A fill unit has similar index and engineering properties. <br /> Zone of Influence: That land area adjacent to vehicular access ways that includes <br /> the slope .easement, the soil structure beneath the road foundation slope profile extended <br /> downhill, and the soil layer above the road slope profile extended uphill: <br /> R-9.6710-B Purpose. <br /> These Standards for Geological and Geotechnical Analysis describe the investigation and <br /> report content necessary to ensure that for planning review and approval, public and private facilities <br /> in developments in areas of known or potential unstable soil conditions are located, designed, and <br /> constructed in a manner that provides for the public health, safety, and welfare. It is a design <br /> professional's responsibility to ensure that the final project has sufiYCient geological investigation <br /> to design and construct the proposed facilities for long-term safety, structural stability and soundness. <br /> R 9.6710-C A <br /> np <br /> livability. <br /> 1. Except for the exemptions set forth in EC 9.6710(3), as reflected in R-9.6710-D, a <br /> geological and geotechnical analysis prepared by an Oregon licensed Certified Engineering Geologist <br /> or an Oregon licensed Civil Engineer with geotechnical experience is required for: <br /> 1.1 All proposed tentative planned unit development, site review, or subdivision <br /> applications on properties with slopes equal to or greater than 5%; and <br /> 1.2 All proposed development that includes dedication or construction of a public <br /> street or alley or the construction of public drainage systems or public wastewater sewers. <br /> 2. All design and construction recommendations for public improvements must be <br /> consistent with the adopted City of Eugene Public Improvement Designs Standards and APWA <br /> Standard Specifications for Public Works Conshvction and Amendments. <br /> 3. As provided in EC 9.6710(5), unless exempt, the category of geological and <br /> geotechnical analysis required is based on the following. <br /> 3.1 A Level 1 analysis shall be required on: <br /> 3.1.1 All development sites with slopes less than 10% that include <br /> construction of public improvements; <br /> 3.1.2 Subdivision, site review, and planned unit development applications <br /> for development sites with slopes greater than or equal to 5% and less than 10%; <br /> 3.2 A Leve12 analysis shall be required on: <br /> 3.2.1 All development sites with slopes greater than or equal to 10% that <br /> include construction of public improvements; <br /> 3.2.2 Subdivision, site review, and planned unit development applications <br /> for development sites with slopes greater than or equal to 10%; and <br /> 3.3 A Leve13 analysis shall be required on development sites where the Level l <br /> <br /> Administrative Order - 4 v <br /> r:\adminord\rules\02geotechl so.wpd(09/05/02) <br /> <br />