Box culverts manufactured to national unified standards.
The "Box Culvert" that we handle undergoes strict quality control checks in accordance with the factory certification system of the Japan Sewage Works Association, receiving regular inspections by the association. As standard shape dimensions, it is described in the "Guidelines for Road Earthworks and Culverts" published by the Japan Road Association (March 1999), so you can use it with confidence. 【Features】 ■ User-friendly unified standards ■ Reliable design methods ■ Excellent quality *For more details, please download the PDF or feel free to contact us.
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basic information
【Specifications】 ■ RC Box Culvert ・ RC Type 1 ・ RC Type 2 ■ PC Box Culvert ・ PC Type 1.5 ・ PC Type 3.0 *For more details, please download the PDF or feel free to contact us.
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Applications/Examples of results
【Applications】 ■ Road crossings ■ For thrust construction methods ■ For sewage systems ■ For vertical shafts ■ For underground pedestrian pathways ■ For garages ■ For fire protection water tanks ■ For river bridges *For more details, please download the PDF or feel free to contact us.
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Company information
Our company has steadily progressed alongside the development and growth of Hokkaido as a construction materials manufacturer, primarily engaged in ready-mixed concrete and concrete products. With the motto of "doing work that earns the trust of our customers," we are committed to thorough quality management and the development of new technologies to provide better products to our customers. Despite the challenging economic environment, we actively engage in quality, environmental protection, safety, and social contribution, and we will continue to aim for sustainable development as a company that is needed by society, together with all of you.