ML17299A437
| ML17299A437 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 07/12/1985 |
| From: | Van Brunt E ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR |
| To: | Knighton G Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML17299A438 | List: |
| References | |
| ANPP-33008-EEVB, TAC-59245, NUDOCS 8507170283 | |
| Download: ML17299A437 (3) | |
Text
REGULATOROlNFORMATION DISTRIBUTION SOI'EM (RID>>)
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A ACCESSION NBRi 8507170283-.
DOC>> DATE: 85/07/12-NOTARIZEDj NO POCKET FACIL:STN 50 528 Palo Verde Nuclear Stations Unit ii Arizona Publi 05000528 AUTH~ NAME, AUTHOR AFFILIATION VAN.BRUNTrE>>E>>
Arizona Public; Service Co.
RECIP ~ NAME RECIPIENT, AFFIL'IATION KNIGHTONiG ~
Licensing Branch 3'UBJECT:
Application for" amend to License NPF 41irevising Tech toI permit maint of plant in hot: standby for addi 72 h'rder
,to deter mine source of RCS,lehk 8 to obtain RCS inventory data
~ Request one time'mergency change.'ISTRIBUTION CODE!
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Arizona Nuclear Power Project P.OBOX 52034
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PHOENIX, ARIZONA85072-2034 ANPP-33008-EEVBJr Director of Nuclear Reactor Regulation July 12, 1985 ATTN: Mr. George Knighton, Chief Licensing Branch No.
3 Division of Licensing U.
S. Nuclear Regulatory Commission Washington, D.
C.
20555
Subject:
Palo Verde Nuclear Generating Station (PVNGS) Unit 1
Request for Emergency Technical Speci'fication Change Docket No.
STN 50-528 (License NPF-41)
File:
85-056-026; G.1.01.10
Dear Mr. Knighton:
This letter is provided to request an emergency Technical Specification change to PVNGS Unit 1 Technical Specification 3.4.5.2 and a suspension of the pre-noticing requirement of 10CFR 50.91.
On July ll, 1985 PVNGS Unit 1
determined a
reactor coolant system unidentified leakage of 1.2
- gpm, which is above the LCO of 1
gpm.
Technical Specification 3.4.5.2 action statement "b" was entered into and the plant was taken to hot standby shortly thereafter.
At this
- time, the unidentified leakage has not been
- resolved, requiring the plant to be in cold shutdown within thirty hours.
The surveillance requirements have been increased to at least once per eight hours.
Since PVNGS Unit 1 is in the early startup testing phase there is very low activity in the primary loop.
The current RCS activity is 2.09E-2 mci/cc.
We request a one time Technical Specification change to allow maintaining the plant in hot standby for an additional 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />.
This time extension request is to:
(1) allow additional time to determine the leak source prior to entering cold shutdown and (2) to take additional RCS inventory data to verify our RCS inventory calculations.
If the unidentified leakage is determine to increase to greater than 2
gpm within the requested 72 hour8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> time extension, PVNGS will procede directly to cold shutdown.
Appropriate fees will be provided in a follow"up letter.
Sincerely, 8507i70283 850 0528 7i2 pDR ADO'~ 0~
pop' E. E.
Van Brunt, xecutive Vice President Project Director EEVB:WFQ:jdf cc:
A. C. Gehr R. P.
Zimmerman E. A. Licitra C.
Tedford (ARRA)