Direct Power Compaction

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 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