The International Research Institute for Nuclear Decommissioning (IRID) has been developing access and investigation equipment for detailed investigation inside the primary containment vessel (PCV) and fuel debris test retrieval (the robot arm and the enclosure) for Fukushima Daiichi Nuclear Power Station (NPS) Unit 2 toward the decommissioning of Fukushima Daiichi NPS, Tokyo Electric Power Company Holdings, Inc.
The equipment was transported from United Kingdom to Kobe Shipyard & Machinery Works Kobe Plant, MHI Ltd. in July 2021. A verification test for the equipment was conducted in Kobe during the period from late August of 2021 to January 21, 2022.
This article is provided to introduce a video of the verification test of the robot arm conducted at Kobe Shipyard & Machinery Works Kobe Plant. In addition, this equipment is acquired from a subsidy project of Countermeasures for Decommissioning and Contaminated Water granted by the Ministry of Economy, Trade and Industry.
・Total length: approximately 22 m
・Mass: 4.6 ton
・Number of axis: 18 axes
・Main components: stainless steel and aluminum
* Kindly visit the YouTube link to view the verification test at Kobe Shipyard & Machinery Works Kobe Plant.
(including English subtitle)
Detailed investigation inside PCV of Fukushima Daiichi NPS Unit 2 and equipment for access and investigation for fuel debris test retrieval (the robot arm) (February 2022)
※This file is available only in Japanese.