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Alan Delamere - Expand boundary to buffer neighborhoodExpand boundary to buffer neighborhood Alan Delamere 525 Mapleton Ave Boulder, CO 80304 1 Expansion line 2 A holey hillside Black 10 ft depth Gray 3 ft depth 3 Max depth 37 ft 4 5 Recommendations •Determine minimum slope that needs Open Space buffer protection •Initial guess is that the 5535ft contour would be sufficient •If you are going to modify the OS-other area expand it rather than decrease it to protect Open Space, Silver Lake Ditch and the neighborhood from this geologically unstable •Modify OS-other to include that area 6 Problem with holes •87,000 tons of earth moving •Strong retaining walls •Large amounts of concrete ?????tons •Must be done in dry season •Existing plan has too steep a grade and more site levelling required 7