ML19351G347

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Submits Addl Info Per in Response to IE Bulletin 79-01B,re Raychem Cable,Republic/Teledyne Solenoid Valve & Westinghouse Radiation Monitor.Further Response to Be Submitted by 810201
ML19351G347
Person / Time
Site: Calvert Cliffs  Constellation icon.png
Issue date: 01/05/1981
From: Lundvall A
BALTIMORE GAS & ELECTRIC CO.
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
RTR-NUREG-0588, RTR-NUREG-588 IEB-79-01B, IEB-79-1B, NUDOCS 8102230556
Download: ML19351G347 (2)


Text

. ' ' ' '

T4 BALTIMORE GAS AND ELECTRIC COMPANY P. O. BOX 1475 B ALTI M O R E*, M ARYLAN D 21203 ARTHUR E. LuMovALL.JR.

vice passicant January Q

S u pei.v N

7;

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(s Mr. Boyce H. Grier, Director I j i L-Region I, Office of Inspection & Enforcement Uj g p () 'OSI " h, U. S. Nuclear Regulatory Commission A,

j oit 7

Q'u.h $mca 631 Park Avenue

//

King of Prussia, PA 19h06 q,

p,

Subject:

Calvert Cliffs Nuclear Power Plant

'b Units Nos. 1 & 2, Dockets Nos. 50-317 & 50-IE Bulletin ]v-OlB

References:

(a) NBC IE Bulletin 79-01B and Supplements (b) BG&E letter dated 10/31/80 from C. H. Poindexter to B. H. Grier, same subject

Dear Mr. Grier:

In our last response, Reference (b), to the subject bulletin, Reference (a), we indicated that additional clarifying information would be submitted by January 1, 1981. This information is listed belov vith proposed corrective action and resolution:

1.

Raychem Cable - The cables purchased for Calvert Cliffs are of similar construction and material composition as those tested by the manufacturer for LOCA environment. We are attempting to ascertain the precise levels of hinidity and boric acid concen-trations which were established during those tests, and we vill provide any information we obtain in our next response (February 1,1981).

2.

Republic /Teledyne Solenoid Valve - We have not been able to obtain sufficient qualification data. These solenoid valves vill be replaced within the next six months (to allov for a 12-16 week lead time).

3.

Westinghouse Radiation Monitor - We have recently received information from the manufacturer and vill have a qualification review completed by February 1, 1981.

Mr. B. H. Gricr Paga 2 January 5, 1981 In addition to the above, we have received queries regarding our radiation analyses inside and outside the. containments. Our original criteria have been detailed in the FSAR Section 14. We are presently performing an analysis using the source terms as recommended in NUREG-0588. We anticipate completion by February 1, 1981, and a supplemental response incorporating the new levels vill be prepared accordingly.

Very truly ours,

. A - 21,

n cc:

J. A. Biddison, Esquire G. F. Trowbridge, Esquire Messrs. E. L. Conner, Jr. - NRC R. E. Architzel - NRC