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mak ._ ENGINEERS I ARCHITECTS■PLANNERS 222 EAST LITTLE CANADA ROAD,ST PAUL,MINNESOTA 55117 612 484-0272 March 24, 1988 RE: MOUNDS VIEW, MINNESOTA SILVER VIEW PARK SANITARY SEWER & WATER SERVICES SEH FILE NO. : 87154 City of Mounds View 2401 Highway 10 Mounds View, MN 55112 Attention: Mary Saarion As requested, we have determined alternative methods available to serve a potential park building with sanitary sewer and water service. We understand that the main purpose of the service • would be to provide general domestic usage in the building. Possible additional uses of the water service would be for skating rink flooding and future use as a source of water for a ballfield sprinkler system. Sanitary Sewer The attached sketch shows a conceptual routing of the sanitary sewer service considered. A service stub was extended from the sanitary sewer during construction of the Silver Lake Woods project. That could be extended as a 4" gravity sewer service to the proposed building location. With sodding proposed as restoration, the total construction cost is estimated at about $10, 500 as shown on the attached cost estimate for Alternate A. There are no closer sewer connections available to the proposed building. An alternative to the gravity sewer system would be to install a 1 1/4" plastic force main from the existing sewer stub to the building which would require a "grinder" type lift station in the building. The cost of this alternative is about $7, 900 as shown on the attached cost estimate labeled Alternate B. For the limited usage this building would get, the power cost would not tend to be very significant. However, over time, it may still be most cost effective to install the gravity sewer for the small additional cost. • Watermain E C LSO'4