construction administration
This project consisted of water main replacement on St. Paul Avenue from Benson Road to 39th Street North in Sioux Falls, South Dakota. Work included water main replacement, sanitary manhole repair, replacement of surfacing over trenches, and boulevard restoration. The water main replacement successfully utilized both open trenching and directional drilling methods. Sanitary manhole repair included reconstructing manhole benches and inverts along with installing manhole external frame seals.
This project consisted of installing 8” water main beginning approximately 1,700 feet southwest of the Great Bear entrance road and continuing 3,700 feet to the northeast. This project included water main installation, asphalt removal and replacement, and site restoration and grading. Also included in this project was the grading and paving for a turn lane approximately 600 feet long on Rice Street for the proposed TJN site.
This project consisted of installing approximately 4,500 feet of 16” DIP water transmission main on Six Mile Road between 10th Street and 26th Street in Sioux Falls, SD. This work included water main installation, directional boring 24” steel casing across SD Highway 42 and under a large box culvert, pavement replacement, and restoration.
The project included full services for the construction of a new generation plant and substation. Cost savings for the Owner were achieved by combining a substation project and a generation plant project, in order that shared facilities could be constructed.
DGR services for this project included project feasibility, environmental permitting, engineering design, material procurement, and construction administration.
The project included full services for a 1.4 mile 115 kV line. The project required coordination with many different entities, including other power companies for coordinating the interconnection, and with a railroad company for right-of-way permitting, which included coordinating an inductive interference study.
DGR services for this project included permitting, coordinating the design survey, design, construction administration, construction staking, and resident project observation.