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January 25, 1980 Docket No. 50-336 Director of Nuclear Reactor Regulation Attn:
Mr. R. Reid, Chief Operating Reactors Branch #4 U. S. Nuclear Regulatory Commission Washington, D. C.
20555
References:
(1)
D. G. Eisenhut letter to All Operating Nuclear Power Plants dated September 13, 1979.
(2)
H. R. Denton letter to All Operating Nuclear Power Plants dated October 30, 1979.
(3)
W. G. Counsil letter to J. Hendrie dated November 30, 1979.
(4)
R. Reid letter to W. G. Counsil dated December 21, 1979.
(5)
H. R. Denton letter to W. G. Counsil dated December 27, 1979.
(6)
W. G. Counsil letter to R. Reid dated February 12, 1979.
(7)
R. Reid letter to W. G. Counsil dated May 12, 1979.
Gentlemen:
Millstone Nuclear Power Station, Unit No. 2 Automatic Initiation of Auxiliary Feedwater In Ref erences (1) and (2), Northeast Nuclear Energy Company (NNECO) was informed of the original Staff requirements regarding the issue of automatic initiatica of auxiliary feedwater. NNECO's ongoing evaluations of this requirement were thoroughly articulated in Ref erence (3), which also forwarded NNECO's determination pursuant to the requirements of 10CFR50.59.
Subsequently, via Reference (4), NNECO was advised of a revision to the Staff directive of References (1) and (2), in that implementation of automatically initiated auxiliary feedwater is prohibited until the NRC completes its review and issues an approval.
In accordance with the Reference (4) request, it is noted that NNECO has continued with the procurement of equipment and proceeded with the installation to the extent possible without activating the automatic-start system or adversely aff ect;ing the manual-start system.
In Reference (5), the Staff accepte and reiterated the need for an anal, NNECO was verbally advised that the Reference (5) results in no additi DUPLICATE DOCUMENT specified in Reference (4).
Theref respond to Reference (4) format. I Entire document previously entered into system under:
ANO No. of pages:
DOCKET NO. 50-336 ATTACHMENT 3 MILLSTONE NUCLEAR POWER STATION, UNIT No
.2 AUIDMATIC INITIATION OF AUXILIARY FEEDWATER 1
- PROPOSED REVISIONS TO TECHNICAL SPECIFICATIONS i:
DUPLICATE DOCUMENT Entire document previously entered into system under:
^"O No. of pages:
JANUARY, 1980
i BALTIMORE GAS AND ELECTRIC COMPANY P. O. BOX 1475 BAl TI M O R E. M A RYLA N D 21203 January 25, 1980 ARTwun E. LUNOVALL.JP.
vecc Passios=v s*%,
Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Ccmission Washington, D. C.
20555 Attu:
Mr. Robert W. Reid, Chief Ocerating Reactors Branch A Division of Operating Peactors Sub. ject : Calvert Cliffs Nuclear Rover Plant Units Nos.1 & 2, Dockets Nos. 50-317 5 50-318 Automatic Initiation of Auxiliary Feedvater System
References:
(a) NRC letter dated 12/21/79 from R. W. Reid to A. E. Lundvall, Jr., same sub. ject.
(b) BC&E letter dated 1/22/80 from A. I. Lundvall, Jr.,
to H. R. Denten, Request for Amendment to Opersting Licenses.
Gentlemen:
Reference (a) requested that we provide certain infoz-.stien concernine the effect of our proposed automatic suxilisrr feedvster initiation design on containment pressure and likelihood of a return to ecver following a main steam line bresk. Submitted herein is the infor-estion concerning the main stess line break transient requested in the enciesure of reference (s). We shall not i=nlenent our proposed design for the sutematic initiation of suxilia:f feedvater flev until your approvsl is received.
Technical Specifiestions regsrding the automatie initiation of sux111ary feedvater flev vere sub itted in reference (b).
Very truly yours,
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cc:
J. A. 31ddison, Esquire G. F. "'rovbridge, Esquire Messrs. Z. L. Conner, Jr.
DUPLICATE DOCUMENT
?. W. Kr'ne - C2 J. W. 3rothers -
Entire document previously entered into s stem under:
ANO No. of pages:
..