ML19345E761
| ML19345E761 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 12/31/1980 |
| From: | Heider L VERMONT YANKEE NUCLEAR POWER CORP. |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| FVY-81-1, IEB-80-24, NUDOCS 8102060044 | |
| Download: ML19345E761 (2) | |
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VERMONT YAN KEE NUCLEAR POWER CORPORATION SEVENTY SEVEN GROVE STREET B.4.1.1 RUTLAND. VERMONT 05701 nEPLv Tor FVY 81-1 ENGINEERING OFFICE TURNPIKE RO AD WESTBORO. M ASS ACHUSETTS 01581 TELEPHONE 497*366-908I December 31, 1980 (b
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United States Nuclear Regulatory Commission F
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Office of Inspection and Enforcement bd L
631 Park Avenue N
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Region I King of Prussia, Pennsylvania 19406 j o.$pw c/f-o**
P Attention:
Mr. Boyce H. Grier, Director p
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References:
(a) License No. DPR-28 (Docket No. 50-271)
(b) Letter, B. H. Grier to R. L. Smith, dated November 21, 1980, IE Bulletin 80-24
Dear Sir:
Subject:
Response to IE Bulletin No. 80-24, Prevention of Damage Due to Water Leakage Inside Containment (October 17, 1980, Indian Point 2 Event)
In response to the subject bulletin, Vermont Yankee has one closed cooling water system within the primary containment. The following is a rummary of cooling water leakage into the containment.
1.
On 4/2/74, a small cooling coil leak on the Drywell Cooling Unit RRU-1 was repaired.
2.
On 11/12/74, a small cooling coil was discovered to have a 1 gpm leak and was replaced.
3.
On 3/24/78, Recirculation Pump Motor "B" lower bearing ecoler developed a small cooler leak. The cooler leak was subsequently repaired. The leak was detected during power opertion by motor cooler leak detection instrumentation.
4.
On 8/12/79, RRU-1 developed 2 tube leaks in the cooler.
Both ends of the tubes were capped to stop the leak.
Vermont Yankee has no open cooling water systems inside the containment.
The following information is submitted as an estimate of the manpower expended in the research and response for this bulletin:
8102060 @
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Unitsd States Nuclecr Regulctory Commission Decccher 31, 1980 Attention:
Mr. Boyce H. Crier, Director Page'2 Manpower Activity Manhours Expended Research & Response Preparation 20 Corrective Action 0
We trust that this information will be satisfactory; however, should you desire additional information, please contact us.
Very truly yours, VERMONT YANKEE NUCLEAR POWER CORPORATION Y
L. H. Heider Vice President RHG/j gh COMMONWEALTH OF MASSACHUSETTS)
)ss COUNTY OF WORCESTER
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Then personally appeared before me, L. H. Heider, who, being duly sworn, did state that he is a Vice President of Vermont Yankee Nuclear Power Corporation, that he is duly authorized to execute and file the foregoing request in the name and on the behalf of Vermont Yankee Nuclear Power Corporation, and that the statements therein are true to the best of his knowledge and belief.
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Robert H. Groce Notary Public t
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My Commission Expires September 14, 1984 J
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