ML20136A718
| ML20136A718 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| Issue date: | 11/26/1996 |
| From: | Brian Holian NRC |
| To: | Shirley Ann Jackson, The Chairman NRC COMMISSION (OCM) |
| Shared Package | |
| ML20136A623 | List: |
| References | |
| FOIA-96-485 2.206, DD-96-12, DD-96-14, NUDOCS 9703100034 | |
| Download: ML20136A718 (2) | |
Text
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4 1996 November 26, y
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Chairman Jacks n Note To:
Brian Holias Prom:
Marylee K
, Annette, Coordinated With:
(DD) 96-14, 96-12 Director Decisions
Subject:
10 CFR 2.206 (electrical a former NRC employeefiled two 2.206 Charles Morris, deceased) breaker coordination
- branch, retired; recently
SUMMARY
Mr.
petitions regarding lack of circuitand undervolt d related Elec'trical Distribution system design issues.
/
1996.
and March 5, filed February 13, SIGNIFICANT POINTS:
substantial health and safety were concerns DD 96-14 concludes that "noThe petitioner's first coordination, have been raised."
related to lack of circuit breaker l Distribution System issues
~
identified at Catawba during an Electrica He amended 1992.
(EDSFI) in February, Functional Inspectioninclude similar concerns at nine other to his petition facilities.
this inspection showed did not exist for a range of An analysis by the licensee following that circuit breaker coordinationboth deterministic and PRA, for the Staff review, significance
" be,;ause the f aults are fault currents.
concluded that this fact has "no the FSAR operational capabilities of the systemo it is within licensing Additionally, and location.
limited in both typeanalyzes the loss of a load group - s dispositioned by reviewing basis.
The nine other affected units were inspection closecut items.
"no substantial health and
,e EDSFI The NRC has been aware of DD 96-12 similarly concludes that ily identified through the safety issues have been raised."
i tely i
undervoltage setpoint errors, pr marInformation Notice 93-99 l EDSFI process.
i 40 licensees with incorrect sett ngs.
e 1 n S ' u '?rd ros dchd tion
.L ta ndr @i h,e Fr.;do,n of Informa -..
Act,e % m. L 4 / d # f' 9703100034 970228 PDR FOLA BINDER 96-485 pyg
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In F ruary 1995 t e st:af f f
Ina lon o manua nd automatic actions (for
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j the Hatch plant) as an alternative to meeting the Branch Technical Position.
Information Notice 95-37 provided additional information related to offsite power system voltages.
The staff summary concludes that errors have been recognized, and appropriate actions were taken.
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