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FBR経済性評価システムの開発(II); 建設費評価手法の検討(II)

Development of economy estimation system for FBR - phase II; Study on capital cost assessment method phase II

米川 強*; 竹内 則彦*; 白土 清一*; 田村 政昭*; 中西 征二; 谷山 洋*

not registered; not registered; Shirato, Seiichi*; not registered; Nakanishi, Seiji; not registered

本報告書は、昭和61年度から実施している「FBR経済性評価システムの開発」の内、建設費ひようか手法に係る研究の昭和62年度の成果をまとめたものである。本年度は61年度に開発したFBRプラントの建設費評価手法について、特にFBR特有の系統、機器に重点を置いて更に詳細化を図った。また、建設コストを構成する費目のうち未着手のままの土地・構築物、建物等についてのモデル化を図り、総建設費の算出を可能とした。以下に本年度の主な検討結果を示す。(1)FBR特有設備のコスト評価手法の検討 前年度摘出されたFBR特有設備の評価手法について詳細化を図った。このため、評価方法は原則的に材料費、製作加工費からの積み上げによるものとした。(2)土地・構築物及び建物に関するコスト評価手法の検討LWR(PWR)の物量調査から積算を行い、延床面積価格を算定しこれを用いてFBRの建物評価モデルを設定した。土地、構築物についてはLWRと同じ条件と考えた。(3)100万kWe級FBRの建設費試算 61年度、62年度のコスト評価手法を用いて100万kWe級FBRの建設費を試算した。尚、試算に際して対象プラントの物量、仕様が不明あるいは未定のものは試算していない。(4)新型軽水炉経済性評価データベースの作成 FBRの実用化時期を考慮し、FBRの経済性評価の対象とする軽水炉を新型軽水炉(A-PWR及びA-BWR)と考え、新型軽水炉について従来型からの主要な変更・相違点をコスト評価の観点からまとめ、データベースとして整備した。今後評価手法を使い易いものとしてコード化を行い、FBR経済性評価システムの構築に取り組んでいく予定である。

This report summarized the results of the study on the capital cost assessment methods in FY1987 which is one of the economic estimation system for FBR that had been developing from FY1986. In this study, the assessment methods developed in FY1986 were investigated in more detail concentrating on equipments and components peculiar to FBR. Moreover, the Land, Structure and Building which compose the capital cost were modeled to be able to calculate the total capital cost. The results of this study are as follows. (1)Investigation of the assessment model for equipments and components peculiar to FBR The assessment methods for equipments and components peculiar to FBR which extracted in FY1986 were evaluated in more detail. Thus, the cost is assessed as the accumulation of the materials and manufacturing cost of the equipments and components in principle. (2)Land, Structure and Building cost model. The cost assessment model for the FBR buildings was determined based on the cost of the total area of the buildings which estimated in reference to the investigation of the materials of LWR (PWR). On the other hand, the model for the Land and Structures was used as the same model as that of LWR. (3)Trial cost estimation of 1000MW FBR plant. The capital cost of 1000MW FBR plant except some facilities which the materials and specifications are unknown was estimated for trial using both the assessment methods developed in FY1986 and 1987. (4)Preparation of the data base of the economic estimation system for the advanced LWR. With regard to the Advanced PWR and BWR which chose as the subject of the economic estimation for FBR considering the phase of commercial FBR deployment, important improvements and differences from the present LWR design were summarized from the view point of the cost estimation and were prepared for the data base of the Advanced LWR. In the future, the capital cost assessment methods developed in this study will be coded to be easily use and ...

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