Quarterly operating report. Fourth quarter 1974 | Zendy

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Quarterly operating report. Fourth quarter 1974

Publication year - 1974

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/4113341

Subject(s) - purge , pressurizer , nuclear engineering , coolant , heat exchanger , boiler (water heating) , environmental science , waste management , heat recovery steam generator , superheater , engineering , mechanical engineering , thermal power station

During the fourth quarter of 1974, the Shippingport Atomic Power Station was shutdown for PWR/LWBR (Pressurized Water Reactor/Light Water Breeder Reactor) Core Conversion. On December 26 while performing a cooldown, following a heat-up test, on operational incident occurred during which the cooldown rate exceeded the 10$sup 0$F/hour allowable limit. A cooldown rate of 13$sup 0$F to 14$sup 0$F/ hour was experienced for a two hour period. After an evaluation of this incident, it was concluded that no deleterious effects to the primary coolant system occurred. Defueling operations continued during the fourth quarter. (auth

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