Announced details
Sewer pipelines, rainwater pipelines, and the maintenance, inspection and surveying of public infrastructure
Limited error in damage dimensions to approximately 5%, detected damage as narrow as 2 mm, and comprehensively identified all damage locations flagged in the television-camera survey.
Technical verification was conducted in cooperation and collaboration with 株式会社環境開発 and Fukuoka City. No capital or personnel relationship was stated.
株式会社環境開発: 6-6-36 Yoshizuka, Hakata-ku, Fukuoka City; Representative Director: Muta Yoshihiko (牟田義彦); established 1 May 1964. The company cleans, maintains, repairs and rehabilitates public infrastructure, including water and sewer pipelines, roads and parks. No information on Fukuoka City's location or representative was provided.
Fukuoka City, Fukuoka Prefecture (site of verification); 株式会社環境開発 headquarters: 6-6-36 Yoshizuka, Hakata-ku, Fukuoka City
The establishment of this technology is expected to contribute to maintenance of the 748 km of locations nationwide requiring measures and to screening surveys of sewer pipelines. No impact on revenue or profit was stated.
The company does not address Contract Value / Offering price.
Ministry of Land, Infrastructure, Transport and Tourism website (results of the nationwide special-priority survey)
| Item | Details |
|---|---|
| Names of Products / Services Covered | No Entry sewer pipeline inspection using small drones, distance-measurement functions, and damage-measurement technology |
| Counterparty | 株式会社環境開発, Fukuoka City |
| Counterparty overview | 株式会社環境開発: 6-6-36 Yoshizuka, Hakata-ku, Fukuoka City; Representative Director: Muta Yoshihiko (牟田義彦); established 1 May 1964. The company cleans, maintains, repairs and rehabilitates public infrastructure, including water and sewer pipelines, roads and parks. No information on Fukuoka City's location or representative was provided. |
| Relationship with the Company | Technical verification was conducted in cooperation and collaboration with 株式会社環境開発 and Fukuoka City. No capital or personnel relationship was stated. |
| Launch date | Technical verification conducted on 26 June 2026 (completed) |
| Applicable area | Sewer pipelines, rainwater pipelines, and the maintenance, inspection and surveying of public infrastructure |
| Location | Fukuoka City, Fukuoka Prefecture (site of verification); 株式会社環境開発 headquarters: 6-6-36 Yoshizuka, Hakata-ku, Fukuoka City |
| Location scale | 748 km of sewer pipelines nationwide requiring measures (included as background) |
| Quantitative Effects | Limited error in damage dimensions to approximately 5%, detected damage as narrow as 2 mm, and comprehensively identified all damage locations flagged in the television-camera survey. |
| Impact on Business Performance | The establishment of this technology is expected to contribute to maintenance of the 748 km of locations nationwide requiring measures and to screening surveys of sewer pipelines. No impact on revenue or profit was stated. |
| Source | Ministry of Land, Infrastructure, Transport and Tourism website (results of the nationwide special-priority survey) |
Items this document does not state (7)
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
The reasons the company gives
The company's own explanation, not something inferred from the numbers.Demand for sewer pipeline maintenance has increased following the road collapse in Yashio, Saitama Prefecture, making it important to ensure worker safety and improve inspection efficiency.