City of Pella
- 6-position 69 kV ring bus
- Four 69 kV line terminals
- Two 69/12.47 kV transformers
- New 15 kV distribution switchgear lineup
- Interconnections with existing generation plant
- Design and coordination for cutover and expansion while keeping existing substation energized.
West Substation Conversion
DGR provided design, procurement, construction administration services for conversion of the existing substation needed to accommodate generation interconnection from the new Red Rock Hydro Project. Project increased area transmission reliability and local load serving capability.
The project required conversion of existing 69 kV single bus into a six-position ring bus. Required using existing equipment, relocating existing equipment, and installing new equipment. Required extensive design planning and outage coordination to keep existing high-voltage and control circuits energized throughout construction. Included full protection and control replacement.
- Electrical Power
Lift Station, Control Panel, Valve Vault
The SE Sanitary Sewer Extension project provided sanitary sewer service to a previously un-serviced area southeast of Dell Rapids, SD
Dell Rapids, SD
Two-phase, 3.16 mile recreational trail on the north and west side of Luverne.
The addition of these new lots gave the City of Minneota opportunity for growth and an increased tax base.
Coordination between multiple entities to create a mutually satisfying layout of buildings, parking area, utilities and street access was a main element of the planning process.
Sioux City, IA
New Substation Construction
DGR assisted SMU in all aspects of the project, from initial evaluation, to design and financing, through final construction.
Turbine Control System Upgrade
The project included full removal and replacement of the existing control panels within the turbine building control room.