BWR Scram Discharge System (Generic Letter 81-09)
UNITED STATES
NUCLEAR REGULATORY COMMISSION
WASHINGTON, D.C. 20555
Janurary 23, 1981
ALL BWR LICENSEES
SUBJECT: BWR SCRAM DISCHARGE SYSTEM (GENERIC LETTER 81-09)
Reference: (a) Order for Modification of License Concerning BWR Scram
Discharge Systems dated January 9, 1981
This letter transmits the staff's Generic Safety Evaluation Report (SER)
Supplment 1 dated January 12, 1981 for your information. The supplement
summarizes the results of our re-evaluation of the interim measures
recommended in our SER on December 1, 1980. It provided the basis for
continued operation of those plants with poor scram discharge colume to
instrument volume drainage characteristics while an automatic air dump
system is being installed, as required by reference (a).
Sincerely,
Darrell G. Eisenhut, Director
Division of Licensing
Enclosure:
Generic Safety Evaluation Report (SER) Supplement 1
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