City of Madison
- Converting overhead electrical to underground
- Replacing alley surfacing with concrete
- Project staging to reduce impact on local businesses
- Coordination/cooperation with multiple utilities
- Design project construction with limited space
- Cooperative project for two Owners (electrical/utility and City)
This pair of projects encompassed eight downtown alley blocks over two construction contracts in consecutive years. The improvements consisted of new underground telephone, cable and electric lines; converting the old overhead equipment and repairing the full alley width with new concrete. The project navigated converting utilities, narrow corridors and staging while minimizing disturbance to the public to create a revitalized look to the downtown business district.
- Electrical Power
Wastewater Treatment Facility
MBBR technology was chosen based on cost, operational flexibility and most importantly, limited land availability.
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.
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.
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.
Sioux City, IA
Wastewater Treatment Facility (SBR)
The City ultimately determined a flow-through style SBR system to be the preferred choice based on the selection criteria and the ability to meet anticipated permit limits.
Orange City, IA
Planning started with site plan design for the new facility to offer maximum exposure to traffic on Highway 75.
Rock Rapids, IA