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ARDEN HILLS CITY COUNCIL WORK SESSION-SEPTEMBER 21 2009 9 IC. Update on Erosion Correction Project on the Old City Hall Trail (continued) Mr. Thomas explained the trail reconstruction would be an additional $15,000- $20MOO. Councilmember Holmes questioned if the Council were to proceed with Option 2 if the City would have to provide compensation to Mr. Nelson due to the fact that a portion of his yard has been damaged. Mr. Thomas said that the trail grade could be changed with cover provided to the irrigation system. He noted there were mitigation efforts the City could take on the trail to alleviate future concerns. Mr. Nelson commented that he felt the reconstruction of the trail would not solve the erosion concerns due to the location of the trail on the easement. Councilmember McClung indicated that Option 2 and Option 3 would both push the water problem further south and stated the Council should consider this when making a decision. Mayor Harpstead explained he would like to review the easement location and size near this trail. He noted he was in favor of Option 3 creating a retaining wall. Mayor Harpstead suggested the tree on the townhome property be spared and that additional landscaping be added to the retaining wall to assist in absorbing the water. - Councilmember Grant indicated the water flowing onto the Reding property would be entering a wetland which was undevelopable. He stated he was in favor of saving the townhome's tree as well as this plan moves forward. Councilmember Holden questioned what staff would recommend for the height of the retaining wall. Mr. Thomas noted this would be an aesthetic decision and that from an engineering perspective; it would not make a difference. Councilmember Holden stated she would like to minimize the expense of the retaining wall.