We offer sizes ranging from 240mm to 10m, and we can propose earthquake resistance, functionality, and various construction methods according to your needs.
Our Calvert products are widely used in various projects such as urban sewers, agricultural drainage channels, underground passages, and culverts for road crossings, utilizing environmental creation technology that supports urban functions.
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basic information
Our products, which comply with the guidelines for road geotechnical culverts and the precast box culvert design and construction manual, are manufactured in a JIS-approved factory with thorough quality control, resulting in highly durable products. Additionally, the use of precast elements can lead to reduced construction time, improved efficiency, and enhanced safety during construction. The "National Box Culvert Association Type Box Culvert" adheres to a nationwide standard and is compatible with the aforementioned guidelines and manuals, as well as materials certified by the Japan Sewage Works Association. We also offer special adaptations for unique conditions such as salt damage prevention, corrosion prevention, low roughness, high embankments, underwater construction, seismic products, elevated track underground, and curved construction. We can also propose various construction methods tailored to site conditions.
Price range
Delivery Time
※The delivery date may vary depending on the quantity, so please feel free to contact us.
Applications/Examples of results
Urban sewer systems, agricultural drainage ditches, underground passages, and culverts for road crossings.
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Company information
Milcon is creating a livable environment for people through concrete secondary products.