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r <br /> sewage from areas that cannot drain by gravity alone into the City's sanitary sewer system. The <br /> station pumps sewage to an elevation that will allow it to drain into the City's gravity system. The <br /> K-Mart pump station currently gathers sewage from the area surrounding Illinois Route 121 south <br /> of Route 36 as shown on the attached map. The sewage is pumped to the City's gravity sewer '' <br /> system serving the Baker Woods area, west of the airport. The City owns 19 sanitary sewer pump i <br /> stations around the City. <br /> Three major issues face the K-Mart pump station capacity and the potential service area south of <br /> U.S. Route 36 along Illinois Route 121: <br /> 1. The pumping capacity of the existing station is not adequate to meet the sanitary sewer <br /> demands that will result from continued future development. <br /> 2. If the capacity of the pump station is increased, then the force main that carries the sewage <br /> from the pump station must be increased in size to handle the increased sewage flow from <br /> the station. The current force main is 4" in diameter and may be increased to meet the <br /> capacity requirements of future development. <br /> 3. The gravity sewer receiving the flow must have capacity to accept the sewage without <br /> causing backups in area homes and businesses. The Baker Woods sewer system does not <br /> currently have capacity to receive the higher sewage flow necessary to serve the full <br /> development of the K-Mart pump station service area. <br /> System Review Required <br /> In order for development within the City limits to continue in the K-Mart pump station service area, <br /> it will be necessary to provide sufficient sanitary sewage flow capacity. This capacity enhancement <br /> alternative analysis is needed to resolve the three major problems identified above. <br /> BGM proposes to: <br /> 1. Determine the limits of the K-Mart Pump Station service area. <br /> 2. Project future growth within the service area. <br /> 3. Present alternatives for providing adequate capacity to meet the projected growth. <br /> 4. Recommend a course of action. <br /> BGM is a well respected local engineering firm that specializes in sanitary sewer design work. <br /> They are currently under contract with the Sanitary District to design the proposed improvements to <br /> the K-Mart Pump Station. The design work is currently on hold pending the results of the system <br /> review. <br /> POTENTIAL OBJECTION: There are no known objections to this project. <br /> INPUT FROM OTHER SOURCES: Sanitary District of Decatur <br /> STAFF REFERENCE: Richard G. Marley, Director of Public Works, and Matt Newell, City <br /> Engineer. Richard Marley will be in attendance at the City Council meeting to answer any <br /> questions of the Council on this item. <br /> Page � 2 <br />