ML20086D367: Difference between revisions
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9 | 9 O 9 OY I | ||
VERMONT YANKEE NUCLEAR POWER CORPORATION ScVCNTY ScVcN OROVc GTHecT Ru rr.mn, Vendrowr 03701 VYV-3942 | |||
"*?'' | |||
P.O.DOX 157 VcHNON. VenMONT o3334 July'25, 1975 | P.O.DOX 157 VcHNON. VenMONT o3334 July'25, 1975 | ||
' -; ~.~ | |||
Office of Inspection and Enforcement M\\yCl[f{g\\ | |||
3 | United States Nuclear Regulatory Commission 3 | ||
sf d $;4 [Mi,, | |||
\\ | |||
631 Park Avenue | Region 1 | ||
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41 631 Park Avenue King of Prussia, Pennsylvania 19406 J | |||
* n | , ';;*a J ' | ||
ATTENTION: James P. O'Reilly, Director | y, r | ||
i | |||
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ATTENTION: James P. O'Reilly, Director | |||
(, | |||
'( -\\ | |||
==REFERENCE:== | ==REFERENCE:== | ||
Operating Licence DPR-28 | Operating Licence DPR-28 s | ||
Docket No. 50-271 N | |||
Abnormal Occurrence No. A0-75-14 (24 llour Report) | |||
==Dear Sir:== | ==Dear Sir:== | ||
As defined by Technical Specifications for the Vermont Yankee Nuclear Power Station, Section 6.7, we are reporting the following Abnormal Occurrence as A0-75-14 and confirming our conversation with lir. D. Sternberg of your office, who was present at the time. | As defined by Technical Specifications for the Vermont Yankee Nuclear Power Station, Section 6.7, we are reporting the following Abnormal Occurrence as A0-75-14 and confirming our conversation with lir. D. Sternberg of your office, who was present at the time. | ||
At 1020 on July 25, 1975, while performing the monthly liigh Pressure Coolant Injection (IIPCI) System pump operability surveillance test, the head gasket on the gland seal exhaust condenser fallec}. This condenser iu t ey ulfwl lor proper operation of the llPC1 System and its loss precludes the HPCI operability required by Section ').5.E.1.a of the Technical Specifications. The reactor was operating at approximately 80% power at the time of this incident. | At 1020 on July 25, 1975, while performing the monthly liigh Pressure Coolant Injection (IIPCI) System pump operability surveillance test, the head gasket on the gland seal exhaust condenser fallec}. | ||
This condenser iu t ey ulfwl lor proper operation of the llPC1 System and its loss precludes the HPCI operability required by Section ').5.E.1.a of the Technical Specifications. The reactor was operating at approximately 80% power at the time of this incident. | |||
Replacement of the failed gasket was initiated immediately. | Replacement of the failed gasket was initiated immediately. | ||
Concurrently, the operability verification required by Section 4.5.E.2 of Technical Specifications was begun. | Concurrently, the operability verification required by Section 4.5.E.2 of Technical Specifications was begun. | ||
The condenser was repaired and the llPCI System was tested and - | The condenser was repaired and the llPCI System was tested and - | ||
verified operabic at 1326 on July 25, 1975. | verified operabic at 1326 on July 25, 1975. | ||
Very truly yours, 8322010198 750806 | Very truly yours, 8322010198 750806 | ||
S | -Q* | ||
PDR ADOCK 05000271 S | |||
ppq y | |||
Bradford U. Riley Plant Superintendent gj RWB/kbd 4}} | |||
Latest revision as of 02:30, 14 December 2024
| ML20086D367 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 07/25/1975 |
| From: | Riley B VERMONT YANKEE NUCLEAR POWER CORP. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| Shared Package | |
| ML20086D361 | List: |
| References | |
| AO-75-014, AO-75-14, VYV-3942, NUDOCS 8312010198 | |
| Download: ML20086D367 (1) | |
Text
_
9 O 9 OY I
VERMONT YANKEE NUCLEAR POWER CORPORATION ScVCNTY ScVcN OROVc GTHecT Ru rr.mn, Vendrowr 03701 VYV-3942
"*?
P.O.DOX 157 VcHNON. VenMONT o3334 July'25, 1975
' -; ~.~
Office of Inspection and Enforcement M\\yCl[f{g\\
United States Nuclear Regulatory Commission 3
sf d $;4 [Mi,,
\\
Region 1
'h i'
41 631 Park Avenue King of Prussia, Pennsylvania 19406 J
, ';;*a J '
y, r
i
- n
'.y.,
ATTENTION: James P. O'Reilly, Director
(,
'( -\\
REFERENCE:
Operating Licence DPR-28 s
Docket No. 50-271 N
Abnormal Occurrence No. A0-75-14 (24 llour Report)
Dear Sir:
As defined by Technical Specifications for the Vermont Yankee Nuclear Power Station, Section 6.7, we are reporting the following Abnormal Occurrence as A0-75-14 and confirming our conversation with lir. D. Sternberg of your office, who was present at the time.
At 1020 on July 25, 1975, while performing the monthly liigh Pressure Coolant Injection (IIPCI) System pump operability surveillance test, the head gasket on the gland seal exhaust condenser fallec}.
This condenser iu t ey ulfwl lor proper operation of the llPC1 System and its loss precludes the HPCI operability required by Section ').5.E.1.a of the Technical Specifications. The reactor was operating at approximately 80% power at the time of this incident.
Replacement of the failed gasket was initiated immediately.
Concurrently, the operability verification required by Section 4.5.E.2 of Technical Specifications was begun.
The condenser was repaired and the llPCI System was tested and -
verified operabic at 1326 on July 25, 1975.
Very truly yours, 8322010198 750806
-Q*
PDR ADOCK 05000271 S
ppq y
Bradford U. Riley Plant Superintendent gj RWB/kbd 4