Agenda Packets - 2008/11/08 - Laserfiche WebLink

Home Browse Search

November 10, 2008 Item No. 7C Page 3 Proposed Improvements It is proposed that the existing concrete curb and gutter be left in place to the maximum extent possible. It is only proposed to replace only those existing individual sections of curb that are damaged. The structural section of the street between the existing curbs is proposed to be rehabilitated through a process of reclamation and overlay. The new street section that would be constructed would be identical to the City standard adopted under Resolution 7176 for the Street and Utility Improvement Program. The existing street pavement would be ground up and mixed with the gravel and sand beneath it, creating a new recycled gravel base. This recycled base would be temporarily removed from the street, so the subgrade below can be shaped to the appropriate elevation and slope for the new street section. Once the subgrade is prepared, the recycled gravel would be placed back into the street bed. New gravel would be added as necessary to produce the total required thickness. The gravel would be prepared, and then the new bituminous surfacing would be paved on the streets. A small amount of improvements would also be performed to the existing storm sewer at the low point of Lake Court Drive. Permits A permit from the Rice Creek Watershed District would be required for the improvements to Lake Court Drive and Lake Court Circle. The improvements for these streets were included on the completed plans and specifications submitted to the RCWD as part of the permit application for the 2003 Street Improvement Project. The findings of the permit application for the 2003 Street Improvement Project were that no additional stormwater improvements (such as infiltration swales) were required along Lake Court Drive or Lake Court Circle. We have made initial contact with RCWD regarding the current proposal to perform the improvements to Lake Court Drive and Lake Court Circle. We have supplied them with the original information from the 2003 Street Improvement Project, and have requested an opinion whether their findings from that project can be re-applied to the current proposal. We are hopeful that RCWD will concur that the findings from the 2003 Project permit application are still appropriate, but as of the time this Staff Report was prepared we had not received an official response. All requirements of the new RCWD permit would need to be included in the public improvement project for the streets.