Soundproof soil-retaining free slope ditch "Soil Retaining OS Ditch"
Soil retention OS drainage ditch
Soundproof type soil retaining free slope ditch "Soil Retaining OS Ditch"
○ The soil-retaining OS drainage ditch is a soundproof type free gradient drainage ditch that is constructed on-site by setting a "cassette floor (bottom plate block)" into the "OS drainage ditch." ○ The soundproof type soil-retaining free gradient drainage ditch "Soil Retaining OS Drainage Ditch" is a low-carbon concrete product made using blast furnace slag fine powder.
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basic information
○Improved Workability with Horizontal Lifting Construction Conventional free-slope retaining side ditches had the side ditch body and base slab integrated, which caused poor left-right balance when lifted, resulting in a lengthy installation process. The retaining OS side ditch, with its innovative concept of separating the side ditch body from the base slab, enables horizontal lifting construction and resolves this issue. ○Choose Economical Base Slabs Without Waste The sites using the free-slope retaining side ditch vary from sidewalks to roadways. With the retaining OS side ditch, you can select the optimal combination for site conditions, such as a short base slab for sidewalks and a long base slab for roadways. ○Prevent Surface Drainage from Entering Private Property The side ditch body of the retaining OS side ditch uses the highly acclaimed OS side ditch, which has been well received since its release. The two-tier waterway structure of the OS side ditch quickly captures rainwater that falls on the road into the side ditch, preventing it from flowing into private property. ○Increase Transportation Efficiency and Reduce CO2 Emissions The conventional integrated base slab type of free-slope retaining side ditch could not be efficiently loaded onto transport trucks due to its shape. The base slab-separated retaining OS side ditch can be loaded efficiently without waste, thereby reducing CO2 emissions during transportation. For inquiries regarding concrete precast products, please contact the Takamizawa Concrete Division.
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Applications/Examples of results
We have numerous track records in both public and private construction projects.
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Construction Example 1 This is a construction example.
Company information
Our company manufactures and sells concrete products primarily in Nagano Prefecture and the surrounding areas. For concrete products, please leave it to Takamizawa Concrete Division.

