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ふげん発電所の機器撤去に掛かる人工数評価式の検討,2; 第3・4給水加熱器室の機器撤去の準備・後処理工程

Study on applicability of evaluation model of manpower needs for dismantling of equipments in FUGEN, 2; Preparation and clean-up process in 3rd/4th feedwater heater room

芝原 雄司; 立花 光夫; 泉 正憲; 南光 隆

Shibahara, Yuji; Tachibana, Mitsuo; Izumi, Masanori; Nanko, Takashi

「ふげん」において2008年度に実施した第3・4給水加熱器室の機器撤去作業のうち、準備及び後処理工程に掛かる人工数を管理データ評価システム(PRODIAコード)により評価した。その結果、既存評価式による人工数の計算結果が実績データと大きく異なることを確認した。その原因について検討した結果、既存評価式で想定しているJPDRと「ふげん」との施設規模の違いによる作業領域面積の拡大が原因であることがわかった。そこで、「ふげん」に適用可能な作業領域面積に依存する評価式の見直しを行った結果、計算結果と実績データとの差が改善された。

Manpower needs for the preparation and clean-up process on the dismantling of equipments in FUGEN 3rd/4th feedwater heater room conducted in 2008 was calculated with the management data evaluation system: PRODIA Code, and it was inspected whether the conventional evaluation model had the applicability for large nuclear facilities such as FUGEN or not. It was confirmed that the conventional evaluation model had no applicability for FUGEN causing by the difference in the plant scale between JPDR and FUGEN bringing the expanding of working area. The difference between the actual data and the calculated value was improved by the reviewing of the evaluation model, and this reviewing process also brought the new evaluation model.

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