06/14/2004 Council Packet - Laserfiche WebLink

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2.8.3 Alternatives A "do nothing" alternative was considered and rejected as extension of municipal sanitary sewer into the project area is necessary to serve the proposed development. 2.9 Water Main 2.9.1 Existing Conditions Water main was installed in Town Center Parkway and Village Drive as part of Phases I and II of the Village development. A 10 -inch DIP main exists in Town Center Parkway from Lake Drive to the end of the existing roadway. A 10 -inch DIP main also exists in Village Drive between Town Center Parkway and the end of the existing roadway. The existing water main currently serves as a dead end and is not looped to the existing system on the north side of the freeway. The length of this dead end and the resulting lack of circulation likely have contributed to water quality issues at the City Hall Complex. 2.9.2 Proposed Improvements A 10 -inch DIP water main will be extended northerly in Town Center Parkway from the end of the existing main to the roundabout and then easterly in Woods Edge Boulevard to the southeasterly corner of Outlot A. Length of this pipe run is approximately 1600 feet. A 10 -inch DIP water main will be extended northerly in Village Drive from the end of the existing main to Woods Edge Boulevard. Length of this main is approximately 250 feet. A 12 -inch DIP main will be installed in Woods Edge Boulevard between Village Drive and the roundabout. This main will be extended in new Town Center Parkway from the roundabout to the northerly boundary of the development. Length is approximately 1350 feet. Eight -inch DIP water mains will be looped around and through Outlot A. Eight -inch stubs will be provided at multiple locations for Blocks 1, 2, and 3. Exact location of the stubs will be determined as individual building concepts are refined. Total length is approximately 1600 feet. Fire hydrants and fire service lines will be installed at appropriate locations, in accordance with City and State Fire Codes. A 12 -inch DIP or HDPE main will be installed under the freeway and will be connected to an existing 8 -inch DIP main in the vicinity of the McDonald's restaurant on the north side of the freeway. A casing pipe will also be installed under the freeway to satisfy Mn/DOT requirements for containing a pressurized main. This main is for looping purposes and is considered to be a trunk line capital improvement in accordance with the City's 2004 Comprehensive Water System Plan. Total length of the 12 -inch loop is approximately 600 feet. Existing and proposed water mains are shown in Figure 11. The proposed water main crossing of I -35W is shown in Figure 12. Feasibility Report A- LINOL0305.02 City of Lino Lakes Page 10