第17回
BWR炉内構造物等点検評価ガイドライン 炉心シュラウド・ シュラウドサポートの改訂方針
著者:
三橋 忠浩,島津 忠昭,(東芝ESS),小林 広幸,(日本原電),菊川 浩,神長 貴幸,(東京電力),椿 正昭,内山 好司,(日立GE),佐藤 寿志,(原子力安全推進協会)
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The current edition of “Guideline of Inspection and Evaluation for Reactor Internals issued by Japan Nuclear Safety Institute (JANSI) consists of inspection target, inspection method, and evaluation. Recently, the guideline is revised based on the safety function of the Reactor Internals, domestic operation experience, and the new knowledge. In this report, summary of “Guidelines of Inspection and Evaluation for Reactor Internals [Core Shroud] and [Shroud Support]....
英字タイトル:
Guideline for BWR Inspection Program Revision Policy of Guidelines for Core Shroud and Shroud Support
第17回
福島第一原子力発電所廃炉に向けた主要作業プロセス
著者:
入野 隆之,(東京電力)
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In order to achieve the goal of the Mid-and-Long-Term Road-map for Decommissioning, the Mid-and-Long- Term Decommissioning Plan was formulated with the aim of presenting " The main work processes of the entire decommissioning process by 2031". We would like to convey the future prospects of decommissioning work with an easy-to-understand manner in order to proceed the understanding of local communities and the people of Japan under the basic principle of "simultaneous pursuit of reconstruction and decommiss...
第17回
福島第一原子力発電所1/2号機排気筒解体の挑戦
著者:
奥津 多加志,半澤 大介,清水 研司,野田 浩志,(東京電力)
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Damage has been confirmed in some parts of the exhaust stack by inspection after the earthquake. Currently the exhaust stack has no function. For this reason, we decided to dismantle the upper half of exhaust stack for the purpose of improving the earthquake resistance. Emphasizing on reducing worker exposure dose, we plan dismantling work with unmanned operation using a remote dismantling device....
英字タイトル:
Challenge of Dismantling The Exhaust Stack of Fukushima Daiichi NPS Unit 1/ 2
第17回
福島第一原子力発電所3号機使用済燃料取り出し完了までの道のり
著者:
中島 典昭,土井 秀信,清水 研司,野田 浩志,原 貴,(東京電力)
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At Fukushima Daiichi Nuclear Power Station Unit 3, the Spent Fuel Pool(SFP) was buried in rubble due to the hydrogen explosion. In order to keep the Spent Fuel stored in the SFP safe, we removed them to the Common Spent Fuel Pool, which is not damaged by the explosion. This paper describes rubble removal, installation of Spent Fuel Removal System and Spent Fuel Removal at Fukushima Daiichi Nuclear Power Station Unit 3....
英字タイトル:
Completion of Spent Fuel Removal from Fukushima Daiichi NPS Unit 3
第17回
竪型ポンプ点検の効率化
著者:
相川 亮,(東京電力)
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竪型ポンプ(大型海水ポンプ)の点検においては、現在まで多くのコスト(時間と人員)を費やしてきた。 そのため、揚水管を置くための専用架台と架台使用時の揚水管分解に使用するボルト・ナット共回り防止治 具の開発を行い、点検作業の効率化と安全性の向上を図った。...