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Renovating of existing manholes for earthquake resistance

Taishin Ippatu-kun

The connection between existing manhole and pipe is reinforced for earthquake-resistant without excavation.

This methos is also for reinforcement to sewerage facility's joint. Cut the tip of pipe, and fit seismic rubber ring with elasticity and watertightness to it.
After fitting it to tip of upstream and downstream we can also install renovated pipe by INS or EX method for more reinforcing earthquake resistant.

Association
Seismic Resistant Sewer Lines

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
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Management service
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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