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CLEAR & OBJECTIVE HOUSING: APPROVAL C RITERIA UPDATE <br /> <br /> <br />November 13, 2018 DRAFT Preferred Concepts Report: Significant Issues Page 47 of 59 <br /> <br />Recommendation : Revise existing requirement to include additional risk indicators. (Option C) <br />There was strongest stakeholder support for option C, moderate support for option B, and support for option A <br />was offset by opposition . <br />Minor revision to the existing requirement could improve its effectiveness without impacting efficiency. Adding <br />known risk factors will help ensure that they get addressed in the geology professional’s statement and <br />recommended mitigation methods. Additionally, the recommendation for COS-03 (20 Percent Slope Grading <br />Prohibition) is predicated on this revision also adding language to clarify that the certification must address <br />proposed lot and road locations. <br />This option also allows an exploratory look into the feasibility of using newer risk assessment tools. For example, <br />the Department of Geology and Mining Industries (DOGAMI) recently released new draft landslide history and <br />susceptibility maps for Eugene based on lidar (which stands for Light Detection and Ranging). Here is what their <br />website says about this new tool: <br />The technology of spotting landslides by use of aerial photography and new laser based terrain <br />mapping called lidar is helping DOGAMI develop much more accurate and detailed maps of <br />areas with existing landslides and we are now able to create landslide susceptibility maps, that <br />is, maps that show where we think different types of landslides may occur in the future. <br />Revising the existing requirement has the greatest potential to ensure appropriate siting, construction, and <br />development practices are used to mitigate potential risks of slope failure. <br /> <br />January 23, 2019, Work Session – Item 1