On Monday, the Granite Falls City Council approved engineering service proposals for a secondary pumping station and sanitary sewer lift station associated with Granite Falls Flood Mitigation.
The proposal for the 7th Street Storm Water Pump Station and Washington Street/Minnesota Ave. lift station design services is estimated to total $78,000 and $186,000, respectively.
In both instances, Stantec, Inc., St. Cloud, will provide design work; Bonnema Surveys, Willmar, land surveys and topographic mapping; American Engineering and Testing, Marshall, soil testing; and Rodeberg and Berryman, Inc., Montevideo, local project coordination and design process review.
The 7th Street pump station, which would be located near 15th Ave. behind the Wellness Center, would allow city storm water to be pumped from behind a closed slide gate into the drainage way to the Minnesota River during flood events.
According to City Engineer Dave Berryman, the two-pump station, with electric motors and Power Take Off (PTO) connection, would cost an estimated $725,000 based on comparable projects in other communities.
The sanitary lift station, which will pump sewage uphill to the sewage treatment plant, is expected to be located near and replace the existing 1930s lift station at Washington Street and Minnesota Ave. The 25 x 25 x 33 foot deep cast-in-place structure would include an automatic fine screen, bar screen, three pumps, valve vault, electrical room and enclosed maintenance area at an estimated cost of $1.8 million.
Design work for both projects is expected to begin this month with completion in January. In both instances, DNR Flood Mitigation dollars will be utilized to cover design costs.
In other news:
•Council members approved the hire of Jay Schmidt, of Barn Restoration Specialists, Inc., Onamia, to provide a detailed construction cost estimate for project costs associated with the Volstead House foundation restoration.
Preliminary engineering estimates project an expense of $125,000 for the foundation improvements. The detailed estimate would be used to strengthen Granite Falls Historical Society project grant applications.
•Council members approved a $6,618.61 bid to replace carpeting in the fitness room of the Kilowatt Community Center by Aus Floors and More. It was only the bid received.
•Todd Hagen of the city's bond consultant, Ehlers and Associates, Roseville, reviewed possible financing scenarios of future capital improvement bonds.
According to City Manager Bill Lavin, at present bond rates are extremely low, in the range of three to two-and-a-half percent.