ML20129C814
| ML20129C814 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs, 05000506  |
| Issue date: | 07/08/1985 |
| From: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | |
| Shared Package | |
| ML20129C797 | List: |
| References | |
| 50-317-85-13, 50-318-85-11, NUDOCS 8507160337 | |
| Download: ML20129C814 (1) | |
See also: IR 05000506/2006017
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APPENDIX A
Baltimore Gas and Electric Company Docket / License: 50-317; DPR-53
Calvert Cliffs Units 1 and 2 50-318; DPR-69
As a result of the inspection conducted on May 6 - June 17,1985, and in accordance
with the NRC Enforcement Policy (10 CFR 2 Appendix C) the following violation was
identified:
Technical Specification 6.8.la requires that procedures be established, im-
plemented, and maintained covering the applicable procedures referenced in
Appendix A to Regulatory Guide 1.33, Revision 2, February 1978. Appendix A
of Regulatory Guide 1.33, Revision 2, 1978 requires plant procedures for
changing operating modes from Cold Shutdown to Hot Standby and performing
surveillance tests.
Calvert Cliffs Operating Procedure OP-1, Revision 26, " Plant Startup from Cold
Shutdown" requires (General Precaution I.E. and Initial Condition II.A.4) that i
whenever the shutdown cooling system is in operation, Reactor Coolant System
(RCS) pressure shall not exceed 270 psia.
Contrary to the above, at 10:45 a.m. on June 2,1985, Unit 1 shutdown cooling
flow was lost when RCS pressure was allowed to increase above 284 psia which,
as designed, caused automatic closure of a shutdown cooling return isolation
valve.
Section V of Calvert Cliffs Surveillance Test Procedure STP M-220-2, Revision
10, "ESFAS (Engineered Safety Features Actuation System) Functional Test",
' requires removal of each Refueling Water Tank (RWT) level switch channel, one
at a time, for testing. General Precaution 8 of the STP emphasizes that only
one channel is to be affected by the test ("be in a test mode") at any one
time.
Contrary to the above on May 23, 1985, STP M-220-2 was conducted on Unit 2
in such a manner that two of four RWT level switch channels were affected
(tripped) at one time. With one channel under test and in a tripped condi-
tion, the cover was removed from a second channel's level switch. That action
caused the second channel to trip and generated a Recirculation Actuation
Signal (RAS).
This is a Severity Level IV Violation (Supplement I).
Pursuant to the provisions of 10 CFR2.201, Baltimore Gas and Electric Company is
hereby required to submit to this office within thirty days of the date of this
Notice, a written statement or explanation in reply, including: (1) the corrective
steps which have been taken and the results achieved; (2) corrective steps which
will be taken to avoid further violations; and (3) the date when full compliance
will be achieved. Where good cause is shown, consideration will be given to ex-
tending the response time.
0507160337 050700
PDR ADOCK 05000317
G PDR
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