Client:
City of Madison

Madison, SD

Key Features:

  • Converting overhead electrical to underground
  • Replace / Repair storm sewer and sanitary sewer
  • Replacing alley surfacing with concrete
  • Project staging to reduce impact on local businesses

Key Experience:

  • Coordination/cooperation with multiple utilities
  • Design project construction with limited space
  • Cooperative project for two Owners (electrical/utility and City)

Street & Utility Improvements

This project encompassed eight downtown alley blocks over a single construction season. The improvements consisted of new underground telephone, cable and electric lines and converting the old overhead equipment.  Sanitary and storm sewer mains were replaced or repaired.  The full alley width was paved with new concrete.  The project navigated narrow corridors and was staged to minimize disturbance to the public to create a revitalized look to the downtown business district.

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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.

Site Development
Sioux City, Iowa

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.

Sanitary Sewer Rehabilitation
Rembrandt, IA

Wastewater Treatment Facility

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

Wastewater Treatment Facility
Sanborn, IA

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.

Floodplain Analysis
Sutherland, IA

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.

Distribution Conversion
Redwood Falls, MN

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
Sioux City, IA