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A sub-issue related to the definition of structure is whether a retaining wall is considered a structure. This is important as any road connection to Sunset Creek Lane will require significant grading that could be reduced with the use of retaining walls. Alternately, the City Council could determine that retaining walls associated with road construction are not residential structures. Finally, the City Council could determine that retaining walls of a certain size are structures. A possible threshold for such a determination would be retaining walls where the top of the wall to the bottom of the footing exceeds four feet, as that is the threshold at which an engineered retaining wall is required. The Planning Commission was supportive of this option. • Option Two: If the City Council decides that roads are structures, then any road connection from the project to Sunset Creek Lane cannot be constructed without grading areas of 25-percent slope, which would arguably not comply with Measure PP. A connection to Sunset Creek Lane via McCutchen Court could be designed to avoid 25-percent slopes but would require approval by the Sycamore Heights Homeowners Association. Because securing approval of the Homeowners Association is unlikely, this option is considered infeasible. All project traffic from the 50 lots of the Lund Ranch II development would then have to use Lund Ranch Road. 5. Including/Excluding Artificial Slopes Over 25 Percent Measure PP is clear that there shall be no grading to construct residential or commercial structures on 25-percent slopes or greater. It is not clear, however, if this prohibition includes artificial or manufactured slopes created before Measure PP. The interpretation of Measure PP in this area is important due to the proposed location of Lots 28 through 30 and 33 through 39, a total of 10 lots, and a portion of the project's public street and terminus cul-de-sac, all proposed on land that appears to have been previously graded to exceed a 25-percent slope. Figure 6, on the following page, illustrates portions of the site with artificial slopes over 25 percent. Page 14 of 26