Abstract

The 330 MW(e) Fort St. Vrain Nuclear Generating Station uses a uranium-thorium fuel cycle; graphite for the moderator, fuel cladding, core structure, and reflector; and helium for the primary coolant. Significant design features are the prestressed concrete reactor pressure vessel, once-through modular steam generators with integral superheaters and reheaters, steam-driven axial flow helium circulators, and hexagonal graphite fuel elements incorporating improved carbon-coated fuel particles. This paper describes: plant features, construction procedures, preliminary operating tests, fuel loading and startup procedures, and oprator training programs.

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