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MINUPES <br />CITY COUNCIL <br />NOVENIBER 9, 1994 <br />in that mature trees could be lost by sloping the area, <br />and there may be the need for additional right-of-way <br />easements which would be an additional expense. Hanson <br />felt that the wall should be replaced with a keystone <br />wall system. <br />Scalze pointed out that a keystone wall would not last <br />forever. Scalze stated that she did not know the life <br />of such a wall and the maintenance that might be <br />involved versus that of a slope. <br />The Public Works Superintendent estimated that a <br />keystone wall system would last 20 to 25 years under <br />normal circumstances. <br />Morelan noted that Option B, sloping the area, would <br />last forever. <br />The City Administrator pointed out that with a slope <br />erosion is possibility. <br />Hanson pointed out that the area would have to be mowed <br />and maintained. <br />Morelan suggested that the slope could be planted with <br />non-maintainable plantings. <br />The Administrator pointed out that the City would have <br />to determine whether or not it was possible to keep the <br />slope within existing right-of-way. This is dependent <br />upon the grade chosen. <br />Morelan suggested that the City agree to pay the cost <br />of Option B. If the Dianna Lane property owners prefer <br />Option A, then they would be responsible for the cost <br />above that of Option B. <br />Karen Johnson, Arcade Street property owner, reported <br />that the back of her property abuts the Dianna Lane <br />wall. Johnson noted that should the improvement <br />encroach onto private property, there would be some <br />costs involved. Johnson was concerned that if the area <br />were sloped, there would be the loss of mature trees at <br />the back of her yard which would dramatically reduce <br />the value of her property. <br />Morelan pointed out that the slope could be more level <br />in nature requiring encroachment onto adjacent <br />12 <br />