HNP-98-071, Forwards Revised Proposed TS Pages Re 980424 Request for Amend to License NPF-63.Listed Suppl Info Provided
| ML18016A428 | |
| Person / Time | |
|---|---|
| Site: | Harris  |
| Issue date: | 05/15/1998 |
| From: | Robinson W CAROLINA POWER & LIGHT CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML18016A429 | List: |
| References | |
| HNP-98-071, HNP-98-71, NUDOCS 9805200288 | |
| Download: ML18016A428 (5) | |
Text
CATEGORY 1 REGULA RY INFORMATION DISTRIBUTIO SYSTEM (RIDS)
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/ACCESSION NBR: 9805200288 DOC.DATE: 98/05/15 NOTARIZED: YES FACIL:50-400 Shearon Harris Nuclear Power Plant, Unit 1, Carolina AUTH.NAME, AUTHOR AFFILIATION ROBINSON,W,R.
Carolina Power
& Light Co; RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)
DOCKET 05000400
SUBJECT:
Forwards revised proposed TS pages re 980424 request for amend to license NPF-63.Listed suppl info provided.
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Carolina, Power & Light Company POBox185
'ew Hill NC 27562
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William R. Robinson Vice President Harris Nuclear, Plant MAY 15 1998 SERIAL:
HNP-98-071 10CFR50.90 United States Nuclear Regulatory Commission ATTENTION: Document Control Desk Washington, DC 20555 SHEARON HARRIS NUCLEARPOWER PLANT DOCKET NO. 50-400/LICENSE NO. NPF-63 REQUEST FOR EXIGENTLICENSE AMENDMENT TECHNICALSPECIFICATION 3/4.3.2 SUPPLEMENTALINFORMATION
Dear Sir or Madam:
By letter dated April24, 1998, Carolina Power 8c Light Company (CPAL) submitted a Request for License Amendment for the Harris Nuclear Plant (HNP). The proposed amendment revises Technical Specification (TS) 3/4.3.2, "Engineered Safety Features Actuation System Instrumentation" to provide an action for less than the minimum channels operable for emergency bus undervoltage relays. Based on recent discussions with the NRC Staff, CP&Lsubmits revised proposed TS pages. These revisions were made to more closely reflect generic TS wording contained in.Standard Technical Specifications (STS) Westinghouse Plants (NUREG-1431, Revision 1). In addition, the following supplemental information is provided.
The HNP design for performance of Trip Actuating Device Operational Test (TADOT) requires inoperability of both the primary and secondary 6.9 kV emergency bus undervoltage relays. When the TADOT is being performed, the output of both the primary and secondary emergency bus undervoltage relays are blocked by actuation of a test relay and associated contacts. During the period oftime the test relay is energized (approximately 2 seconds, 16 seconds, and 54 seconds), the primary and secondary emergency bus undervoltage relays willbe unable to perform their required safety function and therefore must be considered inoperable.
The proposed change is similar to guidance provided by Standard Technical Specifications (STSi f4)0[
Westinghouse Plants (NUREG-1431, Revision 1), Specification 3.3.5 "Loss of Power Diesel Generator Start Instrumentation". The current HNP design utilizes six undervoltage relays per bus to start the AuxiliaryFeedwater (AFW) Pumps. STS Specification 3.3.2 requires three channels per bus of undervoltage relays for AFW Loss of Offsite Power. Therefore, HNP does not propose immediately converting the AFW Loss of Offsite Power portion of the undervoltage relays specification to STS.
Enclosure 1 provides new page change instructions for incorporating the proposed revisions to Technical Specifications. Enclosure 2 provides the proposed Technical Specification page.
These changes do not affect the conclusions of either the 10 CFR 50.92 Evaluation or the Environmental Considerations submitted as part ofCPAL's April24, 1998 letter.
9805200288
'pt805i 5 PDR aoaCX 0500OOOO P
PDR 5413 Shearon Harris Road New Hill NC Tel 919 362-2502 Fax 919 362-2095
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Please refer any questions regarding this submittal to Mr. J. H. Eads at (919) 362-2646.
Sincerely, W. R. Robinson MSE/mse
Enclosures:
- 1. Page Change Instructions
- 2. Technical Specification Pages Notary (Seal)
Mycommission expires:
(p W. R. Robinson, having been first duly sworn, did depose and say that the information contained herein is true and correct to the best ofhis information, knowledge and belief, and the sources of his information are employees, contractors,'and agents ofCarolina Power &Light Company.ltlllIIItggg
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Mr. J. B. Brady, NRC Sr. Resident Inspector Mr. Mel Fry, Acting Director, N.C. DEHNR Mr. S. C. Flanders, NRC Project Manager Mr. L. A. Reyes, NRC Regional Administrator
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