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III. Sanitary Sewer <br /> The proposed sanitary sewer for the Baldur Park area is shown on Figure 2. A review of the project <br /> site indicates the routes shown on the figures are recommended from a construction standpoint. <br /> The Baldur Park area would be served by a gravity sewer connected to the existing sewer located at <br /> the north end of Baldur Park Road. The mainline sewer would be along the gravel driveway that <br /> serves the existing home as shown on Figure 2. <br /> The sanitary sewer main would be PVC pipe, 8 inches in diameter. The proposed alignment along <br /> the existing driveway will provide less than 5-feet of cover over the pipe. Insulation would be <br /> installed above the pipe to provide protection against freezing. Sewer services would be PVC pipe, <br /> 4 inches in diameter. Service stubs would be installed to the property line or to a point 30 feet from <br /> the main. Property owners would be responsible for the installation of the service line between the <br /> service stub and the home. <br /> The proposed manholes would be constructed in the driveway. The sanitary sewer construction will <br /> require complete driveway reconstruction. The driveway will be reconstructed with 12 inches of <br /> aggregate base and geotextile stabilization fabric. <br /> An alternate design for the sanitary sewer is shown on Figure 3. This design would provide for all <br /> properties to be served by a pressure system. Each property would own and maintain a residential <br /> grinder station. Service stubs would be provided to the property line or a distance of 30 feet from <br /> the main. The property owner would be responsible for the installation of the grinder station and the <br /> service line from the home to the service stub. A cost estimate for the alternate design is included <br /> in the appendix. <br /> The project will be constructed primarily on private property. The alignments selected and shown <br /> on Figures 2 and 3 will require permanent and temporary easements to allow for construction. <br /> Detailed cost estimates for the sanitary sewer improvements are presented in the Appendices. <br /> Baldur Park Sanitary Sewer Improvements 6 <br />