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Comments on draft case study rept, "DHR Problems at US PWRs." Agrees w/conclusions re importance of human error in loss-of-DHR events as well as emphasizing importance of improved outage planning.

Accession Number: ML20132C684

Date Released: Sunday, October 27, 2024

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• ML20135G184 - Comments on draft case study rept, "DHR Problems at US PWRs." Agrees w/conclusions re importance of human error in loss-of-DHR events as well as emphasizing importance of improved outage planning. (12 page(s), 9/13/1985)
• ML20132C677 - Provides update on recent decisions & issues re PWR RHR sys open permissive interlocks & automatic closure interlocks. Preliminary guidelines for evaluating proposed changes set forth. (6 page(s), 1/28/1985)
• ML20135G350 - Summarizes 850320 meeting w/Westinghouse & PG&E re proposed removal of auto closure interlock on RHR drop line. Westinghouse currently performing PRA study to demonstrate that overall safety will be improved by removing interlock. (1 page(s), 4/18/1985)