Stone Columns

Project Name: Land development work at Disneyland Theme Park

Owner Name: Chiba-ken
Site of Construction: Chiba-ken, Urayasu-shi
Purpose of improvement: Measure against Ground Liquefaction
Start Date: 01/1998
Completion Date: 04/1999
Improvement length (m): 401.003

Project Name: Ground improvement work at Tokyo international Airport (A runaway)

Owner Name: The Ministry of Land, Infrastructure and Transport
Site of Construction: Tokyo-to, Ota-ku
Purpose of improvement: Measure against Ground Liquefaction
Start Date: 10/1998
Completion Date: 07/1999
Improvement length (m): 444.335

Project Name: Ground improvement work at report road bridge works between Umeshima-Maishima(20-30)

Owner Name: Osaka-ku
Site of Construction: Osaka-fu, Osaka-shi
Purpose of improvement: Measure against Ground Liquefaction
Start Date: 02/1999
Completion Date: 01/2000
Improvement length (m): 75.319

Project Name: North side site ground improvement at two terms of Tokyo Gas Co., Ltd; Ogijima factory

Owner Name: Tokyo Gas Co., Ltd
Site of Construction: Kanagawa-ken, Kawasaki-shi
Purpose of improvement: Measure against Ground Liquefaction
Start Date: 06/1999
Completion Date: 03/2000
Improvement length (m): 30.392

Project Name: Road improvement work at National Highway Route338

Owner Name: Aomori-ken
Site of Construction: Akita-ken, Shimokita-gun
Purpose of improvement: Strength increase Preventing sliding failure
Start Date: 06/1999
Completion Date: 11/1999
Improvement length (m): 56.478

Project Name: Ground improvement work at Tokyo international Airport (East side terminal district)

Owner Name: The Ministry of Land, Infrastructure and Transport
Site of Construction: Tokyo-to,Ota-ku
Purpose of improvement: Measure against Ground Liquefaction
Start Date: 11/1999
Completion Date: 07/2000
Improvement length (m): 122.675

Project Name: Ground improvement work at Tokyo international Airport (East side terminal district)

Owner Name: Soil improvement work at Tokoname Road
Site of Construction: The Ministry of Land, Infrastructure and Transport
Purpose of improvement: Strength increase preventing sliding failure
Start Date: 07/2002
Completion Date: 11/2002
Improvement length (m): 75.584

Project Name: Ground improvement work at Sakai LNG tank foundation

Owner Name: Osaka Gas Company Public Corporation
Site of Construction: Osaka-fu, Sakai-shi
Purpose of improvement: Strength increase preventing sliding failure
Start Date: 04/2002
Completion Date: 08/2003
Improvement length (m): 160.682

Project Name: Iwakuni airport north district shore protection work

Owner Name: Ministry of Defense
Site of Construction: Yamaguchi-ken, Iwakuni-shi
Purpose of improvement: Measure against Ground Liquefaction
Start Date: 04/2003
Completion Date: 06/2004
Improvement length (m): 205.383

Project Name: Hikari factory district soil improvement work of Takeda Chemical Industries, Ltd.

Owner Name: Takeda Chemical Industries, Ltd.
Site of Construction: Yamaguchi-ken, Kouto-ku
Purpose of improvement: Measure against Ground Liquefaction
Start Date: 08/2005
Completion Date: 01/2006
Improvement length (m): 75.752

Project Name: Iwakuni airport north district shore protection work

Owner Name: Ministry of Defense
Site of Construction: Yamaguchi-ken, Iwakuni-shi
Purpose of improvement: Measure against Ground Liquefaction
Start Date: 05/2004
Completion Date: 05/2005
Improvement length (m): 90.164

Project Name: Iwakuni airport north district shore protection work (2)

Owner Name: Ministry of Defense
Site of Construction: Yamaguchi-ken, Iwakuni-shi
Purpose of improvement: Measure against Ground Liquefaction
Start Date: 03/2005
Completion Date: 03/2006
Improvement length (m): 58.658

Project Name: Soil improvement work in Nippon Oil Corp. Kawasaki office

Owner Name: Nippon Oil Corp.
Site of Construction: Kanagawa-ken, Kawasaki-shi
Purpose of improvement: Measure against Ground Liquefaction
Start Date: 08/2005
Completion Date: 11/2005
Improvement length (m): 62.084

Project Name: Iwakuni airport north district shore protection work (2004)

Owner Name: Ministry of Defense
Site of Construction: Yamaguchi-ken, Iwakuni-shi
Purpose of improvement: Measure against Ground Liquefaction
Start Date: 01/2005
Completion Date: 03/2007
Improvement length (m): 196.988

Project Name: Improvement work at Joetsu thermal power plant LNG underground tank

Owner Name: Chubu Electric Power Co., Inc.
Site of Construction: Niigata-ken, Joetsu-shi
Purpose of improvement: Strength increase Preventing sliding failure
Start Date: 08/2006
Completion Date: 11/2006
Improvement length (m): 43.859

Project Name: Ground improvement work at Tokyo international Airport (B area)

Owner Name: The Ministry of Land, Infrastructure and Transport
Site of Construction: Tokyo-to, Ota-ku
Purpose of improvement: Measure against Ground Liquefaction
Start Date: 04/2007
Completion Date: 03/2008
Improvement length (m): 140.000

Project Name: Improvement work at power generating machine of Sakaiminato power plant

Owner Name: Kansai Electric Power Co., Inc.
Site of Construction: Osaka-fu, Sakai-shi
Purpose of improvement: Measure against Ground Liquefaction
Start Date: 09/2006
Completion Date: 09/2007
Improvement length (m): 170.712

Project Name: Ground improvement Stage secondarily in Kansai airport (No.9)

Owner Name: Kansai Airport Company
Site of Construction: Osaka-fu
Purpose of improvement: Strength increase preventing sliding failure
Start Date: 05/2008
Completion Date: 09/2008
Improvement length (m): 32.366

Project Name: Road improvement work at Tomakomai (2008)

Owner Name: The Ministry of Land, Infrastructure and Transport
Site of Construction: Hokkaido, Tomakomai-shi
Purpose of improvement: Measure against Ground Liquefaction
Start Date: 05/2008
Completion Date: 09/2008
Improvement length (m): 54.782

Project Name: Ground improvement work at Tokyo international Airport (East area)

Owner Name: The Ministry of Land, Infrastructure and Transport
Site of Construction: Tokyo-to, Ota-ku
Purpose of improvement: Measure against Ground Liquefaction
Start Date: 02/2008
Completion Date: 07/2008
Improvement length (m): 73.561