We utiize NO-DIG technology, which was developed based on NTT's R & D results, to continue to take part in improving social infrastructure efficiency, as well as to contributing to global environmental protection.
Efforts description
(1）Promoting reducing and recycling power, fossil fuel, waste, water consumption, of office paper, etc.
(2）Promoting green purchasing
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No Dig, No Break, the Earth- friendly total infrastructure solution
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Ace mole
Through trenchless pipe jacking method, reducing CO2 emissions compared with the digging work. |
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Espar
(01.Espar21) Through non-destructive exploration, significantly reducing CO2 emissions in underground buried objects inspection compared with the test digging |
Espar
(02.Road Espar) Vehicle towed, investigating cavities under road surface. Can investigate long distance. |
Espar
(03.Handy Espar) Explorating print thickness, the back cavity, etc. |
Espar
(04.Light Espar) Rebar exploration |
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Trenchless diagnosing and
repairing, etc.
(01.Pipe camera. Pull-push type) Vehicle towed, investigating cavities under road surface. Can investigate long distance. |
Trenchless diagnosing and
repairing, etc.
(02.Trenchless pipe repairing
pipe reformer)
Correcting the deformed point inside the pipe using hydraulic pressure |
Trenchless diagnosing and
repairing, etc.
(03.I- liner. Inner pipe lining piping rehabilitation technology) Lengthening the life of the existing facilities by the rehabilitating the aging, weakened pipes |
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Non-destructive structure
exploration
(01.Macroscopic ultrasonic probe)
Explorating concrete thickness, cracks' depth or rock pocket Significantly reducing CO2 emissions |
Non-destructive structure
exploration
(02.The exploration due to the impact elastic wave) Sheath grout acrossing PC Bridge Filling exploration |
Environmental products
(01.LED lighting)
Lighting equipment to be installed in the basement space of existing roads, etc Reducing power comsumption and having longer life compared with traditional fluorescent lamp |
Co-existence with the local community and publication of environment-related information
Communicating internally and externally about the EA21. Receiving, supporting and recording the complaints and requests about the environment Drafting and announcing regular reports on environmental activities.
Complying with environmental laws.
Complying with environmental laws and regulations such as "Waste Management Law" and "Construction Recycling Law", etc in business activities Managing to become the latest of environmental laws.
