Slab leveling and other construction at NHK Broadcasting Center. |
Backfill grouting of Shinkansen tunnel construction of Japan National Railways (current JR). |
Backfill grouting of highway tunnels construction of Japan Highway Public Corp. (current NEXCO). |
Backfilling of air-raid shelters in all Japan. |
Filling of water pipelines all Japan including Kanagawa Regional Water Pipeline Corporation. |
Filling of gas pipes and electric circuit path. |
Nagano highway Honjo construction and Joshinetsu highway Kamiimai construction projects of Japan Highway Public Corp. (current NEXCO), and lightweight filling projects of Land, Infrastructure and Transportation Ministry and the railroad corporations. |
Construction of new school building of Hokuriku Gakuen School Corporation, and ground improvement of the ditch and others at Wakayama Medical University RI/Main. |
Tunnel reinforcement and other construction at Chuo Highway Otsuki area. |