ML20082U002
| ML20082U002 | |
| Person / Time | |
|---|---|
| Site: | Harris  |
| Issue date: | 12/07/1983 |
| From: | Parsons R CAROLINA POWER & LIGHT CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| CON-NRC-151, REF-PT21-83 10CFR-050.55E, 10CFR-50.55E, 154, NUDOCS 8312160206 | |
| Download: ML20082U002 (4) | |
Text
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- y Cp&L Carolina Power & Light Company P. O. Box 101, New Hill, N. C. 27562 December 7,1983 t-
- Mr. James P. O'Reilly NRC-151 United States Nuclear Regulatory Commission Region II i
101 Marietta Street, Northwest (Suite 2900)
Atlanta, Georgia 30303 CAROLINA POWER & LIGHT COMPANY SHEARON HARRIS NUCLEAR POWER PLANT 1986 900,000 KW - UNITS 1 & 2 POTENTIALLY DEFECTIVE ENGINE MOUNTED ELECTRICAL CABLES OF TffE EMERGENCY DIESEL GENERATOR, ITEM 154
Dear Mr. O'Reilly:
Attached is an interim report on the subject. item which was deemed ' reportable per the provisions of 10CFR50.55(e) and 10CFR, Part 21, on November 14,1983. CP&L is pursuing this matter, and it is currently projected that corrective action and submission of the final report will be accomplished by February 17,1984.
Thank you for your consideration in this matter.
- Yours very truly, 7ff
?^6
. M. Parsons Project General Manager Shearon Harris Nuclear Power Plant RMP/sh Attachment ec:
Messrs. G. Maxwell /R. Prevatte (NRC-SHNPP)
Mr. R. C. DeYoung (NRC)
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I-CAROLINA POWER AND LIGHT COMPANY SHEARON HARRIS NUCLEAR POWER-PLANT UNIT NO. I
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INTERIM REPORT NO. 1 POTENTIALLY' DEFECTIVE ENGINE MOUNTED ELECTRICAL CABLES EMERGENCY DIESEL GENERATOR ITEM 154 (DDR 2209)
DECEMBER 5. 1983 REPORTABLE UNDER 10CFR50.55(e) and'10CFR21 1
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SUBJECT:
Shearon Harris Nuclear Power Plant, Unit 1.
10CFR50.55(e) and 10CFR21, reportable deficiencies:
Potential defect with engine mounted electrical cable on
'the emergency diesel generator engine. Purchase Order NY-435079.
ITEM:
Engine mounted electrical cables of the Emergency Diesel Generator Sets.
SUPPLIED BY:
Transamerica DeLaval, Inc., Oakland, California.
NATURE OF i
DEFICIENCIES:
In September, 1982, Transamerica DeLaval, Inc. notified CP&L of a potential problem with~ engine mounted electrical cables. 'These cables are located on the engines of the generator sets; one cable runs from the magnetic pickups to the. engine junction boxes..The second' cable is the multi-conductor cable which runs from the "on-engine" terminal box to.the Woodward governor-actuator.
Transamerica DeLaval has determined that the manufacturer's temperature rating for.the cable insulation may be exceeded during operation of-the diesel generator.
DATE PROBLEM OCCURRED:
Refer to section above.
DATE PROBLEM REPORTED:
On November-14, 1983, CP&L-(N. J. Chiangi)Lnotified the
.NRC'(Mr. A. Hardin) that this item is reportable under.
provisions 10CFR50.55(e) and 10CFR21.
SCOPE OF PROBLEM:
This problem involves'two. Unit'1 Emergency Diesel.
' Generators..
g REASONS DEFICIENCY IS REPORTABLE:'
- The emergency diesel generator. sets supply on-site power L
to safety and essential'1oadsLin the event of'the' loss:of:
_both normal on-site andJoff-site' power.. ' Failure'of u
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- cables involved'would-result
- inl1)' slower response to floadJchange and: load' pick-up.and 2)' prevent the.
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- optration of the: emergency ~" step"; sequence:ofLthe--engine l
due-to-the malfunctioning of'the output breaker.'.
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CORRECTIVE.
ACTION:
Existing cables are to be replaced by cables sent to CP&L by Vendor.
Replacement cables have been shipped to CP&L for installation in the:two engines. This installation is to begin in mid-January, 1984.
FINAL REPORT:
It.is currently projected that work on this cable replacement will be complete by February 3, 1984. A final report is expected to be released on February 17, 1984.
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