ML19263B923
| ML19263B923 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs  |
| Issue date: | 01/23/1979 |
| From: | Ash R BALTIMORE GAS & ELECTRIC CO. |
| To: | Reid R Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 7901250145 | |
| Download: ML19263B923 (1) | |
Text
B A LTIMORE GAS AND l ELECTRIC CHARLES CENTER. P.O. BOX 1475 BALTIMORE, MARYLAND 21203 January 23, 1979 ELECTRIC ENGINEERING DEPARTMENT Office of Huclear Reactor Reculation U. S. Nuclear Regulatory Commission Washington, D. C.
20555 Attn:
Mr. Robert W. Reid, Chief Operating Reactors Branch No. h Division of Operating Reactors
Subject:
Calvert Cliffs Nuclear Power Plant Units I!os. 1 & 2, Docket Nos. 50-317 & 50-318 CVCS Pininc Vibratory Inads
Reference:
1)
URC letter dated 8/Pl/78 from R. W. Beid to A. E. Lundvall, Jr., same subject.
- 2) BG&E letter dated 9/18/78 from A. E. Lundvall, Jr.
to R. V. Reid, same subject.
Gentlemen:
Reference (1) requested that we provide certain information concerning vibration in the CVCS systen niping due to pump operation.
Reference (?) inforced you that we would require additional time to provide the requented information.
This is to inform you that we now anticipate the purchase and installation of pulsation danneners, pending management approval. We have not yet develoned a firm schedule for the completion of this modification,
if approved, but, depending on parts availability and design and instal-lation lead-times, we feel we may be able to complete the modifications to Unit No. 1 during the Spring 1980 refueling outare and to Unit No. ? during the Fall 1980 refueling outage.
We vill notify you cf any projected changes to this tentative schedule and vill keep our URC project nanager apprised of our progreas.
Ver' rd'yyours,
/
k-77 Robert F. Ash Chief Nuclear Fncineer cc - J. A. Biddison, Esquire G. F. Trowbridge, Esquire 0
Messrs. E. L. Conner, Jr. - URC 0 4 P. W. Kruse - CE 7
J. U. Prothers - Bechtel
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