ML20009F974

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Ro:On 810722,during Power Escalation Following end-of-cycle Control Rod Withdrawal,Heat Balance Calculations Indicated That All Nuclear Instrumentations 5,6,7 & 8 Were Less Conservative by Amount Exceeding 0.8%
ML20009F974
Person / Time
Site: Crystal River Duke Energy icon.png
Issue date: 07/23/1981
From: Poole D
FLORIDA POWER CORP.
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
NUDOCS 8108030210
Download: ML20009F974 (1)


Text

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M q 1 ' LEJ]>y TELECOP'l July 23, 1961 O

/q O'Reilly, Director Y,

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U.S. Nuclear Regulatory Commission

f. JUL 3 li9BP'hgt Office of Inspection & Enforcement 2

Suite 3100 101 11arietta St.,

Atlanta, GA 30303

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.fic at 0918 to P. J. Kellogg of your-

'Ihis will confirm a report July 23, 1981 following end-of-during power escalation Calculations, At 1225 on July 22, 1081 l

cycle control rod withdrawal, SP-312. Heat Ba ance(5, 6, 7, & 8) were less m indicated that all NI's an amount exceeding 0.82.

naintained g

Contrary to Technical Specification 3.0.3, the plant was tion was re-in a steady state cond3* ion while nuclear instrumenta

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calibrated (SP-113).

lt of this event.

There was no effect upon the generai'public as a resu (14) days.

ithin fourteen A detailed report of this event vul f ollow w OY D. C. Poole Nuclear P3 ant Manager Florida Power Corporation REGIONA DIRECTCR Crystal River, nerid DE D RECTCR DIRECTOR, RRPl DIRECTOR, EPCSDRECT

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