Client:
City of Minneota, MN

Minneota, MN

Key Features:

  • New residential subdivision near school
  • City-funded residential development

Key Experience:

  • Extension of existing sanitary sewer to facilitate future development, looping of water system to improve hydraulics

Subdivision Development

The City of Minneota was facing a shortage of new residential lots. After several years of deliberation and evaluation, the City elected to proceed with a development of 13 lots on two cul-de-sacs located on city-owned land located in an ideal location for new residential lots; less than a quarter mile from schools, swimming pools and the local bike trail system. The addition of these new lots gave the City of Minneota opportunity for growth and an increased tax base.

In addition, the development allowed an extension of the sewer system for future development opportunities on the north side of town. It also enabled the City to loop their municipal water mains, improving system hydraulics. To make room for the project, the City needed to relocate their existing burn site to another location. In doing so, they also made provisions for a future material stockpile site at the new location.

DGR Engineering worked with the City to develop multiple concepts for the property development, and the City ultimately decided to build two cul-de-sacs that provided a setting for some walk-out lots. The sanitary sewer system was installed with extra depth, and extended across Lyon County Highway 10 to lay the groundwork for future development opportunities. The water system that was installed to facilitate the subdivision was also extended to loop into existing water mains and provide for improved system hydraulics.

The project was let in March 2018 and the final lift of asphalt was recently completed after a freeze/thaw cycle to minimize long-term settlement issues. New home building in the development is expected to commence soon.

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Site Development

DGR Engineering (DGR) worked with the City and the project architect for all aspects of the project including topographic survey, site design, construction survey, construction observation and administration.

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Sanitary Sewer Rehabilitation

The project was bid and came in under budget. Manhole lids were raised to provide better access in some areas, and rehabilitation of the sewer system was completed to give another 50 years of life to the City’s much-needed infrastructure.

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Wastewater Treatment Facility

MBBR technology was chosen based on cost, operational flexibility and most importantly, limited land availability.

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Floodplain Analysis

DGR employed a Geographic Information System (GIS) in conjunction with the U.S. Army Corps of Engineers to first determine the 100-year flood elevations and delineate the floodway boundaries.

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Distribution Conversion

Due to concerns with the age and condition of the structures, along with safety clearances to energized equipment and conductors, a project was undertaken to replace the old infrastructure with new underground lines and associated padmount equipment.

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Street & Utility Improvements

Morningside Avenue was reconstructed totaling approximately 1,300 linear feet. The project included new sanitary sewer, water main, storm sewer, fiber conduits, decorative street lighting, and 9-inch concrete paving with colored concrete sidewalks.

Street & Utility Improvements
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