- BOR, Wildcat Dam Removal: Removal of Wildcat Diversion Dam on the North Fork of Battle Creek
- USACE, R1: Installation of slurry wall to close window left in levee along the Sacramento River
- Department of Defense, Defense Commissary Agency
- U.S. Navy NAVFAC / Tetra Tech EC, Inc.: Environmental restoration, transportation and disposal of hazardous material
- Three Rivers Levee Improvement Authority, Feather River Levee: 1.6M square feet of slurry wall and a setback levee
- USACE, West Sacramento Levee: Repair existing levee by excavating unsuitable material and replacing it with imported impervious material
- Three Rivers Levee Improvement Authority, Bear River: 500,000 square feet of slurry wall to strengthen an existing levee
- Alamar Marina, Yolo Levee Improvement: Imported material and stabilized site for future development
Recent USACE Noteworthy Projects:
The USACE developed a repair for a "gap" left at Site R1 between two previously installed slurry cutoff walls. The work involved a 90-day schedule to construct 275 If of soil-cement bentonite slurry wall to 75' below highway, around underground utilities with limited site access while maintaining traffic flow.
Site R1 is located near RM 62 on the left (east) bank of the Sacramento River at the end of the Natomas Main Drainage Canal on Garden Highway. The site extends for 400lf and is directly over the RD 1000 Pump Station.
Extensive coordination--residents, businesses, SAFCA, RD, City of Sacramento and other regulatory agencies--was required for successfull conclusion 16 days ahead of schedule, within budget and without safety incidents.
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