High-precision pile driving works support the foundations of harbors and highways. HOME What's New ENGLISH Japan-based, which has led the construction of steel pipe piles (TBS method) and concrete piles (IBS method), mainly in the middle digging method. With the acquisition of civil engineering certification for the new era steel pipe pile construction method "FB9 construction method", we are devoting ourselves to the technology and know-how we have cultivated so far in the construction of civil engineering sites. Steel pipe pile construction by a new construction method backed by excellent construction technology has been highly evaluated by general contractors for its high bearing capacity, low pollution, and low cost. Japan Base will continue to respond to the next generation of foundation work with advanced technology. Main handling method We provide high-quality services in the fields of ground construction and foundation construction, which are indispensable for construction and construction. In addition to foundation work, we also have advanced technology in the fields of pile removal work and underground obstacle removal work, and there are also works with conditions that "only we can handle". Please feel free to contact us if you have any problems with ground work or demolition work. ・ Steel pipe sheet pile middle digging method (middle digging vibro combined press-fitting method) ・ Steel pipe pile middle digging method (FB9 method) ・ Other construction methods ・ Rock auger method (obstacle removal work) ・ Delta method ・ Pile pulling method with casing (low vibration, large diameter, deep existing pile pulling method) 2014.03.26 The homepage has been renewed. 2011.02.15 Our construction was described in the newspaper! "Achieved a steel pipe pile length of 101 m by the middle digging method" Japan Base Co., Ltd. is always looking for new human resources. We are waiting for applications from experienced people as well as those who want to learn seriously from now on. Senior introduction Application Guidelines / Benefits Entry form Introducing our efforts to pursue environmentally friendly companies and technologies . HOME Company Profile What's New ENGLISH Employment information Performance Japan Base Co., Ltd. that supports the transportation network Civil engineering foundation work -iron pipe sheet pile middle digging method- Underground obstacle removal work Pile removal work