Client:
City of Sioux Falls
Sioux Falls, SD
Key Features:
- Addition of three mainline 13.8 kV distribution circuits
- Circuits were built in underground fashion to increase reliability and improve aesthetics
Key Experience:
- Coordinating with multiple City of Sioux Falls departments, other utilities, and railroad authorities
- Integrating traffic control provisions associated with construction in busy areas
- Responsibility and involvement in all phases of the project
Mainline Distribution Circuits
The project included the construction of three new mainline 13.8 kV circuits on the City’s distribution system to increase capacity and reliability. The circuits were built in underground fashion; two extending from the City’s substation near the airport to the downtown area, and one extending from the City’s substation near the airport to the event center. DGR services for this project included the initial study work, project development, engineering design, permitting, construction administration, and resident construction observation.
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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.
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.
Rembrandt, IA
Wastewater Treatment Facility
MBBR technology was chosen based on cost, operational flexibility and most importantly, limited land availability.
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.
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.
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