[Seminar] Lessons from the Yashio City Sinkhole Incident

basic information

**Lecture Overview** The subsidence incident that occurred in Yashio City, Saitama Prefecture, on January 28 of last year is approaching its one-year mark. During this time, Saitama Prefecture has conducted thorough investigations and discussions to determine the cause of the accident, preventive measures for recurrence, and future recovery methods, ultimately finding a certain direction. At the national level, discussions have been held regarding a nationwide investigation into the aging of sewer infrastructure to ensure sustainable service provision and the future policies of sewer administration, with the results being made public. This lecture will reflect on the circumstances and causes of the accident that emerged from these investigations and discussions, as well as summarize the issues that surfaced. **Lecture Items** ■ Current status of aging sewer pipelines ■ Mechanism of road subsidence ■ Mechanism of hydrogen sulfide generation in sewers ■ Countermeasures against hydrogen sulfide corrosion ■ Achieving pipeline management with safety as the top priority ■ International expansion of hydrogen sulfide corrosion technology ■ Summary ■ Related Q&A ■ Business card and information exchange meeting

Price information

【Participation Fee】 1 person: 37,760 yen (tax included) From 2 people onwards: 32,760 yen (tax included / same organization, simultaneous application) *For those affiliated with local public organizations, up to 2 people can participate for 11,000 yen (tax included / venue and live streaming only)

Delivery Time

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