ML19318A684
| ML19318A684 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs  |
| Issue date: | 05/27/1980 |
| From: | Lundvall A BALTIMORE GAS & ELECTRIC CO. |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| IEB-79-01B, IEB-79-1B, NUDOCS 8006240020 | |
| Download: ML19318A684 (3) | |
Text
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-s BALTIMORE GAS AND ELECTRIC COMPANY P. O. BOX 1475 BALTIMOR E, M ARYLAN D 21203 May 27, 1980 ARTHun E. LUNovALL.Jm.
vice Passios=f su..u Mr. Boyce H. Grier, Director Region I, Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission 631 Park Avenue King of Prussia, PA 19h06
Subject:
Calvert Cliffs Nuclear Power Plant Units Nos. 1 and 2, Dockets Nos. 50 317 & 50-318 IE Bulletin 70-01B
References:
(a) NRC IE Bulletin 79-013, 1/lk/80 as supplemented (b) BG&E letter dated h/17/80 from A. E. Lundvall, Jr.
to B. H. Grier, same subject.
Dear Mr. Grier:
The enclosed report is an update of our previous response, Reference (b), to the subject Bulletin, Reference (a), and is in the same format as the Reference (b) submittal.
As indicated in this update, we have not yet comnleted the evaluation of the available qualification data for the listed components.
This continuing activity is detailed within the renort under the "Out-standing Items" category and is expected to be completed by June 30, 1980.
We have completed our analysis of. the maximum expected flood level in the containment and, based upon a maximum inventorr of 65,930 cubic feet of water, this level corresponds to a depth of 6.'28 feet (elevation 16' - 4").
Consequently, all safety related elec;rical equipment which is installed below this elevation is reported herein.
Attached is a listing of this equip.nent, its location elevation, and our pronosed action for each item.
We are reviewing the aging issue as a separate category.
This vill involve detailed analysis of the materials used in the construction of the components.
As this progresses, periodic updates of the report vill be issued.
BALTIMCRE GAS AND ELECTRIC COMPANY
_, M - _A By:
W.Ltndv511,jJr.
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Vice President - Supply 8006240020 g
C Mr. G. H. Gricr May 27, 1980 STATE OF MARYLAND:
- TO WIT:
CITY OF BALTIMORE:
Mr. A. E. Lundvall, Jr. being duly sworn, states that he is Vice President of the Baltimore Gas and Electric Company, a corporation of the State of Maryland; that he executed the foregoing reoort for the purposes therein set forth; that the statements made in said report are true and correct to the best of his knowledge, information and belief; and that he was authorized to execute the report on behalf of said corporation.
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WITNESS my hand and Notarial Seal:
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NR My Commission Expires:
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f cc:
J. A. Biddison, Esquire (w/o encl)
G. F. Trowbridge, Esquire (w/o enc 1)
Mr. E. L. Conner, Jr. - NRC (w/ enc 1)
Director, Division of Reactor Operations Inspection Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission Washington, D. C.
20555 (w/ enc 1)
E T.ict <sr finfety-Related Fouipment in Cnntainment Belov Elevation 16' ts" Ifounting Erluipment Description Comnonent No.
Unit No.
Elevation Action Containment Sump Level ILTalkls 1
13'-1" New level transmitters are C;ntainment Sump Level ILThlh5 1-13'-2" being installed under FCR 80-1006 as required by NUREG-0578.
Pr m urizer 11 Vapor Sample 1GV5h65 1
1h'-0" These valves.are presently being Pr xsurizer 11 Liquid Sample 1SV51866 1
lis '-0" reviewed for possible relocation.
R::tetor Cooling Ilot Leg Sample ISV5h67 1
13'-0" This valve vill be relocated under FCR 79-1033.
Wida and Power Range Channels 1HI001 1
N/D These instruments are designed
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j for start up and power operation 6
only.
1HIO10 i
Containment Sump Level 2LThlhls 2
13'-1" Same as Unit 1 Con 51nment Sump Level 2LThl :5 2
13'-1" l
Pressurizer 21 Vapor Sample 2SV5h65 2
13'-0" Pressurizer 21 Liquid Smnple 2SV5466 2
13'-9" Same as Unit 1 Reactor Coolant flot Leg Sample 2SV5h67 2
lh'-6" RCP Bleed Containment Isolation 2SV506 2
lk'-0" This vlave closes in less than
-7secondshIASactuation. This valve also fails closed and is not required to operate post-LOCA.
Wide & Power Range Channels 2NIOOl 2
N/D Same as Unit 1 2NIO10 Cable Tray ZD2CF08 2
11'-0" IPCFA testing requirements detail 3
a 14 day submergence test with cables energized.
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