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Construction service

Renovation construction has been growing rather than new construction in recent years against the backdrop of a highly developed social situation.
We has cultivated great deal of construction know-how mainly regeneration of water supply and drainage pipes which are foundation of our lives.
Using this experience, we will continue to improve our technology and promote the development of new technologies to support future for the city.

● Service list

Pipe and drainage conversion works

Insituform method The global standard method with the world's most extensive track record and history. 詳細	All-liner method This is a span regeneration method that rehabilitates aging buried pipes without excavation. 詳細	EX method This is a technique for the regeneration and repair of mains and mounting pipes. 詳細
Danby method This environmentally friendly method quickly revives medium- and large-diameter culverts without excavating them. 詳細	3S segment method It is possible to visually check the filling condition of the filling material. 詳細

Culvert repair work

FRP inner surface repair method The repair work can be carried out efficiently from the nearest manhole. 詳細

CPR method Chunichi Copro's unique technology was conceived to rehabilitate vertical tubes. 詳細

Retrofitting of existing manholes for earthquake resistance

Existing manhole earthquake-proofing method (Gari Gari-kun) The connection between an existing manhole and a pipe is made earthquake-resistant by not excavating the pipe. 詳細

quake-resistant first strike Seismic Retrofit Method for Reorganization Pipe and Manhole Connections 詳細

flowless method It suppresses the uplift of existing manholes due to liquefaction by not excavating them. 詳細

Water and sewage installation work

Water supply and sewerage Water and civil engineering professionals who protect safe and clean living. 詳細

Maintenance of water and sewage drainage facilities

waterway dredging It responds to the desire for the city to be beautiful and clean at all times. 詳細

Sewage pipe cleaning work We are committed to maintaining clean public facilities. 詳細

Sewer Pipe Survey We use TV cameras to survey sewage pipes and mounting pipes. 詳細

Corrosion prevention and reinforcement work

Crystal lining method A dilapidated structure is reborn. 詳細

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• Maintenance service
  • Cleaning up University Building Hospital Showroom Factory Special cleaning Green space management Landscaping Hygiene management Training for staff
  • Maintenance Renovation for water supply pipe Cleaning for water storage tank Cleaning for drain pipe Painting Remake & Renovation
  • Facility management Facility management
• Management service
  • Service Restaurant management Cooking Cleaning & Setting of linen sheets
• Construction service
  • Pipe and drainage conversion works Insituform method All-liner method EX method Danby method 3S segment method
  • Culvert repair work FRP inner surface repair method CPR method
  • Retrofitting of existing manholes for earthquake resistance Existing manhole earthquake-proofing method
    (Gari Gari-kun) Quake-resistant first strike Flowless method
  • Water and sewage installation work Water supply and sewerage
  • Maintenance of water and sewage drainage facilities Waterway dredging Sewage pipe cleaning work Sewer Pipe Survey
  • Corrosion prevention and reinforcement work Crystal lining method