search


Top > Releases ・ Announcements > Fukushima Daiichi NPS Prompt Report > 2013 > Water Leak from a Fire Extinguishing Piping at Fukushima Daiichi Nuclear Power Station

Fukushima Daiichi NPS Prompt Report 2013

Fukushima Daiichi NPS Prompt Report (Sep 19, 2013)Water Leak from a Fire Extinguishing Piping at Fukushima Daiichi Nuclear Power Station

At around 9:10 AM today (on September 19), an associated company worker accidentally cut a fire extinguishing piping near the south of the pump room at the seaside (OP. 4m) of Unit 1 at Fukushima Daiichi NPS during the debris removal work, and water was found to be leaked from the piping.

At present, water has stopped since a valve on the upstream side of the piping was closed.
Surface dose rate of the leaked water was 300 to 700 μSv/h, which is equivalent to the background level.


to TOP