04-12-1993 CC - Laserfiche WebLink

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Mounds View City Council Page Three Regular Meeting April 12, 1993 Farris reported that using the peak population and household figures determined by the planning/consultant,and applying the MWCC standard flow rates per acre to commercial/industrial property, the MWCC's hydraulics consultant, Environscience, Inc. , determined the maximum average daily flow for both development scenarios. It was determined that the figures forecasted for the unconstrained scenario would govern the design of the Blaine Interceptor. Harris reported that with the design of the Blaine Interceptor having been previously established as a gravity sewer, the alternatives for the interceptor sewer were generally relegated to differences in alignment corridors. Fourteen alignment alternatives were examined with three being chosen for further investigation. Alternative 1 would begin within a 40 foot drainage easement and between Lots 1 and 2 of the North Star Industrial Park in Blaine. From there it runs south into Mounds View along the west and north rights-of-way lines. of I-35W and T.H. 118, respectively. The route of this alternative then crosses T.H. 118, perpendicular to and under T. H. 118, to Quincy Street, where the route continues southward in the boulevard/green space on the east side of Quincy Street to its connection with the North Suburban Interceptor. Alternate 2 also begins within the 40 foot drainage easement and between Lots 1 and 2, Block 2 of the North Star Industrial Park in Blaine. From there it runs south along the west right-of-way line of I-35W to a point 20 et north of the, south line of Lot 7 of the North Star Industrial Park. MillEom there the route of this alternative runs due west within a 40 foot drainage easement lying parallel to and contiguous with the south lot line of Lot 7, to a point approximately due north of Quincy Street. From there the route runs south into Mounds View, across the property currently being considered for development as a golf course by the City of Mounds View, to the point of crossing at T. H. 118 described for Alternative 1 above. Alternative 2 then follows the same route as Alternative 1 to its connection with the North Suburban Interceptor. Alternative 3 begins within a 40 foot drainage easement and between Lots 1 and 2, Block 2 of the North Star Industrial Park in Blaine. From there it follows the same route into Mounds View as Alternative 1, to the point of crossing at T. H. 188. After crossing T. H. 118 in the manner described for Alternative 1, the route of Alternative 3 turns and runs in a southwesterly direction to. a point on the northern end of a north-south alignment located west of the apartment buildings abutting the west side of Quincy Street. The route then runs due south along the east edge of Greenfield Park to its connection with the North Suburban Interceptor. Karen Shick, Environscience, Inc. , environmentalist, stated that from an environmental standpoint, any of the three alternative interceptor alignments could be implemented. No permanent or long-term adverse environmental impacts should result from the implementation of any of the three alternative interceptor alignments.