ML20008G099
| ML20008G099 | |
| Person / Time | |
|---|---|
| Site: | Summer  |
| Issue date: | 06/16/1981 |
| From: | Nichols T SOUTH CAROLINA ELECTRIC & GAS CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| REF-PT21-81-450-000 PT21-81-450, PT21-81-450-000, NUDOCS 8107020238 | |
| Download: ML20008G099 (3) | |
Text
south CAROLINA ELECTRIC a GAS COMPANY
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T. C. NicMots, Jet.
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Mr. James P. O'Reilly, Director JUL 011981* g-y U. S. Nuclear Regulatory Commission V-u.s. %ssyi N
Region II, Suite 3]00 b33 a
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Subject:
Virgil C. Summer Nuclear Station
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Docket No. 50/395 Substantial Safety Hazard Emergency Feedwater Pump Lube Oil Cooler Nuclear Eng. File 3.1051
Dear Mr. O'Reilly:
On April 22, 1981, Mr. Virgil Brownlee ci the NRC Region II Office was notified of a potential substantial safety hazard involving the turbine driven emerg:.ncy feedwater pump lube oil cooler. An interim report was filed on May 22, 1963, stating that our review was not yet complete.
South Caroli,na' Electric & Gas Company (SCE&G) has now completed its review and has determined that this problem is a reportable substantial safety hazard under the provisions of IOCFR21. Bingham Willamette Company (prima contractor fo this equipment) has been notified of this report. Details are given on the attachment.
This is considered a "hal report.
Very truly yours, j
T. C. Nich is', Jr.
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Attachment cc: Page Two l
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Mr. James P. O'Reilly June 15, 1981 Page Two ec:
V. C. Summer w/o att.
G. H. Fischer w/o att.
T. C. Nichols, Jr. w/o att.
H. N. Cyrus
- 0. W. Dixon, Jr.
D. A. Nauman W. A. Williams, Jr.
R. B. Clary O. S. Bradham A. R. Koon A. A. Smith H. Radin M. N. Browne H. E. Yocom B. A. Bursey J. K. Skolds J. B. Knotts, Jr.
Document Management Branch (55e, 21, LER Only)
NPCF File W. McKinney e
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10CFR21 - SUBSTANTIAL SAFETY HAZARD 1.
Name and Address of keporting Individual Gary D. Moffatt South Carolina Electric & Gas Company Post Office Box 764 Cclumbia, South Carolina 29218 2.
Identification of Basic Component Turbine driven Emergency Feedwater Pump lube oil cooler.
3.
Identification of Firm Supolying Component Terry Turbine Corporation through Bingham Willamette Company.
4.
Nature of Defect, Substantial Safety Hazard Created and Evaluation _
The turbine driven Emergency Feedwater Pump lube oil cooler was not procured by Bingham Willamette Company from their subvendor to meet the proper design conditions. Although this equipment has operated properly during testing, without proper documentation its failure must be assumed. Failure of this heat exchanger would cause the loss of the turbine and the subsequent loss of this emergency feedwater train.
The specific cause of this problem will be addressed by Bingham Willamette Company.
5.
Date Information of Defect Was Obtained April 22,1981.
6.
Number and Location of Defect There is one lube oil cooler for the turbine driven Emergency Feedwater Pump located off the skid on elevation 412 of the Intermediate Building at column
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lines H.4 and 2.
7.
Corrective Action The lube oil cooler is being repicced by a heat exchanger which meets all the design requirements. This effort is expected to be completed prior to fuel lond.
i Correccive action as related to the specific cause will be addressed by Bingham Willamette Company.
8.
Advice to Purchasers or Licensees None.
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