DIRECT POWER COMPACTION PROJECTS
Project Name: Treasure Island & Causeway Geotechnical Mitigation Phase 1 – San Francisco, California
Owner Name: Treasure Island Community Development
Main Contractor: DeSilva Gates Construction
Purpose: To perform the Vibro-compaction to densify the fill layers
Improvement Depth (ft): 35 feet
Total Area: 38 acres.
Start Date: August 2018
Completion Date: September 2020
Project Name: Waste Water Treatment Facility, Treasure Island – San Francisco, California
Owner Name: Treasure Island Community Development
Purpose: To perform the Vibro-compaction to densify the fill covering
Improvement Depth (ft): 35 feet
Total Area: 12 Acres.
Start Date: January 2020
Completion Date: June 2020
Project Name: WETA Central Bay Maintenance and Operations Center – Alameda, California
Owner Name: Water Emergency Transportation Authority
Main Contractor: Overaa-Power Engineering, AJV
Purpose: To reduce the effects of the post-seismic settlement of structures caused by liquefaction.
Improvement Depth (ft): 30 feet
Total Area : 25,000 sq.ft.
Start Date: September 2016
Completion Date: December 2016
Project Name: Lathrop Irrigation District Switchyard -Lathrop, California
Owner Name: River Islands Development
Main Contractor: Independent Construction
Purpose: Compact soils to mitigate liquefaction under switching equipment.
Improvement Depth (ft): 37 feet
Total Area : 33,000 sq.ft.
Start Date: June 2015
Completion Date: September 2015
Project Name: Hiroshima Port Dejima Area Quay Construction Work – Hiroshima, Japan
Owner Name: Ministry of Land, Infrastructure and Transport Chugoku Development Bureau
Main Contractor: AOMI Construction Co, Ltd
Purpose: Prevention of liquefaction
Total Length : 54,900 ft.
Start Date: May 2002
Completion Date: October 2002
Project Name: Harbor Improvement Work at Fusiki Toyama Port – Takaoka, Japan
Owner Name: Ministry of Land, Infrastructure and Transport Chugoku Development Bureau
Main Contractor: AOMI Construction Co, Ltd
Purpose: Prevention of liquefaction
Total Length : 89,900 ft.
Start Date: February 1997
Completion Date: March 1997