Public works and residential land development

We also transform underutilized forests and farmland into attractive residential land, and develop residential land to increase asset value. Public works require specialized knowledge, experience, and research into the latest technology, and building land for housing involves the risk of landslides and landslides. For this reason, our highly experienced and highly skilled professional staff will respond promptly.

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ECO-SPEED-SHIELD (ESS) construction method

This technology is registered in the New Technology Information System (NETIS) of the Ministry of Land, Infrastructure, Transport and Tourism. (KK-170056-A)

• Expected effect

  • Improving the water environment by improving water supply, sewerage, agricultural and industrial waterways, and utility pipes
  • Realization of urban development that is resistant to flooding
  • Dissemination of clean construction technology, implementation of economical all-weather construction without traffic restrictions and large construction yards

• Feature

  • Long-distance propulsion technology for curves exceeding 1 km, non-cutting technology
  • High-quality design, machine manufacturing, construction supervision technology
  • Lineup to meet various pipe diameter needs from small diameter (800mm) to large diameter (3m)
  • Curve construction at a sharp curve (radius 10m) (no intermediate shaft required)
  • Improved economic efficiency (20%): less total loss of the excavator and can be diverted
  • Fixed facilities and work space are about 1/3 of conventional technology

• Patents and utility models for products and technologies

  • Patent No. 5476057 Sediment discharge method and sediment discharge device in pipeline construction
  • Patent No. 5537850 Sediment discharge method in sewer construction and trobucket for carrying out sediment used for this method
  • JP2016-199903A Construction method of pipe, pipe and excavator
  • Utility model registration No. 3193061 Connection pipe (shared by Kurimoto Concrete Industry Co., Ltd.)

In recent years, many large-scale earthquakes have occurred around the world, and Japan is no exception. In order to provide safety and security to our customers by taking countermeasures against earthquakes, we select appropriate construction methods from a variety of countermeasure methods and take measures against various disasters such as earthquake resistance, liquefaction, and slope collapse.

Seismic measures

SPR (Sewage Pipe Renewal) method for reviving aging existing pipes

• Feature

  • Can be constructed without digging up the road

    Since all the equipment is put into the pipeline from the manhole, construction can be done without digging up the road.

    There is no generation of waste such as earth and sand due to no excavation.

  • Compatible with any cross-sectional shape

    It supports all cross-sectional shapes including circular, rectangular, and horseshoe.

  • Can be constructed while running water
  • Long-distance construction and curvilinear construction are possible *Limited to self-propelled type
  • Possible to make pipeline facilities earthquake resistant

    It is ideal as an earthquake-resistant measure for sewers between evacuation facilities and treatment plants, under important roads such as national highways, and under railroad tracks.

  • Work can be interrupted even during tube making

    Work can be interrupted even during sudden torrential rain. You can also resume work by connecting profiles.

Re-pipe system (pipe line rehabilitation) construction method

Considering the existing pipeline as a system rather than a single pipeline, we are responsible for design and construction from investigation and diagnosis to pipeline rehabilitation and pipe cleaning. (-From Research to Reborn-)
By forming a strong tag between a pipe material manufacturer and a construction company, we can demonstrate more synergy effects, and provide reliable quality and high technology to meet various needs and problems related to maintenance and management, renewal and rehabilitation of pipelines throughout the country. I will do my best to respond.

• Five rehabilitation methods owned by the Re-Pipe System Construction Method Association

  • KU-LINER® method

  • CIPP method (under development)

  • Thin FRPM pipe-in-pipe construction method

  • Horseshoe-shaped FRPM pipe-in tunnel construction method

  • L-PIP method