Underground Utilities
June 2009 - December 2009
Mni Wiconi North Core Pipeline
Kadoka, South Dakota
Owner Oglala Sioux Rural Water Supply
Value $4,109,126.00
Engineer Morrison-Maierle, Inc.
- 49,800 LF of 14" PVC Waterline
- 41,200 LF of 12" PVC Waterline
- Utilization of wheel trencher for installation of 64,990 LF of the pipeline
- Conventional open cut methods utilizing a backhoe for installation of 26,000 LF of the pipeline
- Gate valves, butterfly valves, and vaults
- Air release valves, combination air release/vacuum valves, blow-off valves and hydrants
- Open cut creek crossings
- Railroad and road crossing utilizing jack and bore methods
- Extensive erosion control measures and land management practices for the preservation of the tribal land