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The proposed storm sewers stem imp rovements are shown on Figure 4 in <br /> P P Y P 9 <br /> ' Appendix A. <br /> 4.4 Street <br /> The reconstruction of the existing street is intended to improve the design <br /> strength of the pavement system and provide a street surface that will <br /> ' provide an extended life for the City of St. Anthony. The existing street <br /> widths may be maintained in the new street to minimize impacts on the <br /> existing driveways, boulevards, and landscaping. All cost opinions <br /> associated with this feasibility study are based on a 40-foot street section <br /> ' with sidewalk on one side. The proposed street reconstruction areas are <br /> shown on Figure 5, and the possible street cross-sections are shown on <br /> ' Figure 6 of Appendix A. <br /> 29th Avenue will be reconstructed by removing approximately three feet of <br /> ' material including the existing bituminous material. After the excavation, <br /> a geotextile fabric will be placed to separate the underlying soft materials <br /> from the granular materials. One foot of granular material"sand cushion"will <br /> be placed on the geotextile fabric to provide a firm base for the eight inches <br /> of Class 5 aggregate base and five inches of bituminous pavement. <br /> ' 4.5 Permits and Approvals <br /> Reconstruction of the existing sanitary sewers and water mains will require <br /> ' a permit from the Minnesota Pollution Control Agency (MPCA) and the <br /> Minnesota Department of Health, respectively. <br /> 4.6 Detour Routes <br /> The project will require significant excavation and disposal of unacceptable <br /> material from the existing street area, and a supply of significant volumes of <br /> granular base, aggregate base and bituminous pavement materials. This <br /> effort will require closing the roads under construction and increasing loaded <br /> truck traffic on the streets adjacent to the construction area. Adequately <br /> signed detours will be identified to direct traffic around the construction zones <br /> and notify users of the increased truck and construction activity. In order to <br /> ' accommodate the property owners along the excavated roads, temporary <br /> parking on the adjacent streets may be necessary during the periods of time <br /> when vehicle access is not possible. <br /> City of St Anthony A <br /> 2000 Street&Utility Improvement Project WSB <br /> Feasibility Report <br /> WSB Project No. 1065.25 <br /> ' Page 7 <br />