Agenda - Parks and Recreation Commission - 04/10/2014

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SECTION 3 EVALUATION OF EXISTING FACILITIES A. GENERAL The 1991 Comprehensive Sewer Plan completed by Hakanson Anderson Associates, Inc. includes a detailed discussion of existing facilities and a history of regional planning efforts. In order to provide the City with one working document for future sewer planning and to maintain the history of regional planning efforts, this section provides a summary of the infoimation contained within the 1991 report. B. REGIONAL FACILITIES At this time the regional components to serve the City of Ramsey are inplace. However the original sizing of these facilities was based on assumptions of land use patterns and densities that were developed before the regional sanitary sewer facilities were constructed. Currently, the Metropolitan Council is organizing a study to evaluate the sizing of the regional facilities based on updated land use and density projections for the northwest metropolitan area. The goal of the of this study is to determine what upgrades are necessary and feasible to accept the long tarn sewer flows received from the City of Ramsey and other communities served by the same facilities. Ultimately, the Champlin -Anoka -Brooklyn Center (CAB) interceptor serves the City of Ramsey. The CAB provides 14 mgd capacity to the northwest metropolitan area including Ramsey. Past sewer planning did not propose the expansion of sanitary sewers. The primary purpose of past planning was to set the maximum potential size of the City's trunk sewer lines. Locally Ramsey has two main sanitary sewer districts that are each served by 30 -inch reinforced concrete pipes. Sewer Planning for the City has been and continues to be based on the know capacity of the two 30 -inch interceptor sewers. This study bases ultimate sewer flow on current land use planning within the City of Ramsey. At the present time, sanitary sewer service is provided to several subdivisions within Ramsey, mostly in the southeast portion of the City. City of Ramsey Page 3-1 Comprehensive Sanitary Sewer Plan - 2004 Prepared by Bolton & Menk, Inc.