ML20083C646
| ML20083C646 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs  |
| Issue date: | 09/20/1991 |
| From: | Creel G BALTIMORE GAS & ELECTRIC CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| GL-88-14, TAC-71639, TAC-71640, NUDOCS 9109270091 | |
| Download: ML20083C646 (3) | |
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[3ALTIMORE
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-S GAS AND I
ELECTRIC CHARLES CENTER
- P.O. BOX 1475
- BALTIMORE. MARYLAND 21203-1475 GroRot C1 CREEL VtCE PRE S40ENT NsettAy[%Eno, (3 00 20 0-4 4 % b September 20,1991 U. S. Nuclear Regulatory Commission Washington, DC 20555 ATI'ENTION:
Document Control Desk
SUBJECT:
Calvert Cliffs Nuclear Power Plant Unit Nos.1 & 2; Docket Nos. 50-317 & 50 318 Completion of Activities Required by NRC Generic Letter 88-14. Instrument Air Supply System Problems Affecting Safety-kelated Systems (TAC Nos. 7189 and 71640)
Gentlemen.
NRC Generic Letter 88-14 requested that Baltimore Gas and Electric Company (BG&E) review NUREG-1275, Volume 2, " Operating Experience Feedback Report - Air Systems Problems," and perform a design and operations verification of the Calvert Cliffs Instrument Air System. Three actions were requested, including: (1) a verification of the adequacy of instrument air quality; (2) an upgrade of maintenance ' practices, emergency procedures, and - training associated with the instrument air system with regard to the function of safety related components; and (3) verification by review and testing that the design of the entire instrument air system, including the accumulators, will accommodate all design basis events, including a loss of the normal instrument air system.
All actions with the exceptice of the full system testing of Item (3), above, were previously reported complete (see BG&E submittals in Lirt of References). The purpose of this letter is to inform you that this testing was completed as follows:
Unit Date Resuhs Unit 1 July 20,1990 Satisfactory Unit 2
' f arch 14,1991 Satisfactory b h
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September 20,1991 Page 2 Should you have any questions regarding this rnatter, we will be pleased to discuss them with you.
Very truly yours O' o GCC/BSM/ dim cc:
D. A. Brune, Esquire J. E. Silberg, Esquire R. A. Capra, NRC D. G. Mcdonald, Jr., NRC T. T. Martin, NRC L E. Nicholson, NRC R. I. Mcl.can, DNR J.11. Walter, PSC l
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Document Control Desk September 20,1991
' Page 3 IUTERENCES (a)
Instrument Air Supply System Problems Affecting Safety Related Equipment (Generic lxtter 8814), dated August 8,1988 (b) letter from hit. G. C. Creel (BG&E) to NRC Document Control Desk, dated February 17,1989, Response to NRC Generic Letter 88-14, Instrument Air Supply Problems Affecting Safety-Related Equipment (c)
Letter from hir. G. C. Creel (llG&E) to NRC Document Control Desk, dated htarch 10,1989, Response to NRC Generic Ixtter 88-14. Instrument Air Supply Problems Affecting Safety-Related Equipment (d)
Letter from hir. S. A. hicNeil (NRC) to hir. G. C. Creel (13G&E), dated April 21,1989, Request for Additional Information - Generic Letter 8S-14,
" Instrument Air Supply System Problems Affecting Safety-Related Equipment,"
(TAC Nos. 71639 and 71640)
(c)
Letter from htr. G. C. Creel (BG&E) to NRC Document Control Desk, dated May 25,1989, Generic Letter 88-14. Instrument Air Supply System Problems Affecting Safety Related Equipment (1)
Letter froni hir. S. A. hicNeil (NRC) to hir. G. C. Creel (DG&E), dated September 20,1989, Request for Additional Information - Generic lxtter 88-14
" Instrument Air Supply Problems Affecting Safety Related Equipment," (TAC Nos. 71639 and 71640)
(g)
Letter from hfr. G. C. Creel (BG&E) to NRC Document Control Desk, dated October 24,1989, Generic Letter 88-14, instrument Air Supply System Problems Affecting Safety-Related Equipment (h) letter from hfr. D. G. hicDonald (NRC) to hfr. G C. Creel (BG&E), dated Apiil 18,1990, Response to Generic Letter 8814. Instrument Air Supply System Problems Affecting Safety Related Systems - Calvert Cliffs Nuclear Power Plant, Units I and 2
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