Laka Foundation

Publication Laka-library:
GE reactor pipecracks (1978)

AuthorCitizens for A Better Environment
DateOctober 1978
Classification 6.01.1.10/02 (ACCIDENTS - NUCLEAR REACTORS)
Front

From the publication:

aCBEReport

CBE-7875

BACKGROUND FACTS ON PIPE CRACKING IN GENERAL ELECTRIC REACTORS

1. HISTORICAL BACKGROUND:

In September, 1974, a series of cracks was found in a General Electric boiling water 
reactor belonging to Commonwealth Edison, the Dresden Nuclear Power Station Unit 
2. The cracks occurred in 4-inch diameter bypass pipes and 10-inch diameter core
spray pipes connected to the reactor. Shortly thereafter, cracks in similar lines 
at five other GE reactors were found, and the Nuclear Regulatory Commission (NRC) 
ordered the plants shut down for inspection and repairs. The shutdown had a 
considerable impact on the electric utility industry, and no GE reactors have 
been ordered by any utility since that time.

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