ML20140G617
| ML20140G617 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 06/13/1997 |
| From: | Alexion T NRC |
| To: | NRC (Affiliation Not Assigned) |
| References | |
| TAC-M98818, NUDOCS 9706160381 | |
| Download: ML20140G617 (3) | |
Text
i UNITED STATES
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,y NUCLEAR RESULATORY COMMISSION WASHINGTON, D.C. 30666 4001 g
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June 13,1997 p'p A T 8 f f MEMORANDUM T0:
PD IV-1 File FROM:
Tom Alexion
SUBJECT:
LICENSEE'S RESTART CRITERIA FOR R0D DROP TEST PLANNED FOR JUNE 1997, SOUTH TEXAS PROJECT, UNIT I (TAC NO. M98818)
I received the subject fax from the licensee. The purpose of this memo is to place this information in the public document room.
Docket No. 50-498
Attachment:
Fax from Licensee DISTRIBUTI0B:
Docket File PUBLIC (PDR) a WBeckner TAlexinn
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{h 9705160381 970613 PDR ADOCK 05000498 P
eaawnemme wanwrLiss me UWFo Unit 1 Cycle 7 Incomplete RCCA Idserties Evcimtia2 Crit:ria for
.Inna 1997 Rod Drop Testing Delta Rod Drop Thne (Rod Drop Thee Increase Simee Last Test)
Tech Spec Lisait RevwwLhak 1=4 Restet Lknh not applicable 503 see s 0.1 see I
Rod Drop Thne (Technical Sp.,me= tion 3.1.3.4)
Tech Spec Limh Reviewlink wm RasantLunit
$2.s sac 52.lsec s i.9 sec Shutdown Margin (Technical Specification 3.1.1.1)- Appihkle ter no-load Tavg*
Safety Evaluadon(SE)Lhnk Revww Limh immahara Resent Limit Caaegory1 56 RCCAs 51I seps 14 ROCAss6 steps.
8 RCCAs56 slaps, NoIRIinV5Hihel525gw&mtu and!kandard fool 530 gwdham C _ j2 20 RCCAss 16 steps 3 RCCAs512 steps 7RCCAs56 seeps plus plus 1 RCCA 512 asps, 8 RCCAss6 steps NoIRIin V5H fuel 525 gwd/mtu and standard fhels30gwd/mtu Category 3 12 RCCAss22 steps I RCCA 518 maps 7 RCCAs56 steps plus plus 1 RCCA512 steps, 8 RCCAs56 steps NoIRIin V5H fue!$25 gwd4ntu andSundardthel530. /.'
'All Stundown Magin limits asume de highen nesctivity worth rod is ibily webdmwn. Refer to USQE 96-0025 for fbrther category details. Rod positions for the Review and immedi=4 Rasart limits me based on LRPI indww= and account for DRPI system n=weredney (* 4 steps).
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l ATTACHMENT i
Page 1 of 2 l
CATEMPr4&J608. DOC j
0&llS71:50 PW 4
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m MW LUAnVAlfr'V Unit 1 Cycle 7 Incompleta RCCA Insertin Evalmti:n Criteria for June 1997 Rod Drop Testing Actions Based on Incompkte RCCA Insertion Condition Criterin**
Actions 1.
Startup Unh Case 1 ALL 3==aA=*= Restart 1 i=== met.
2.
No =Mhaal shat term aedans 3.
Communicateinsults to the NRC 1.
Startup Unk ANY Immediese Rasat LimhNQImet, 2.
Revww dem and evahissereduces&
Case 2 but burnup interval prior so the next rod drop ALL Review Limits met test.Evahasee revision of shutdorm margies a et adannne Compises wahm 2 weeks aAer saarnap.
3.
c=-- - '-9 mouks to the NRC ANY RMw LimhNQImet, 1.
BriefNRC ofeast resuks and erf planned Case 3 but acconspriortorestart ALL Safety EvainasianLannsmet 2.
Sartip Unit s
1.
Evahante data and revise the Safety Case 4 ANY Safety Ev'hwiaa LimitNQImet Evaluanon or reconfigure reactor core 2.
Inform NRC
- *Crearm apphes to Rod Drop Time limies and a single Category of Shutdown Margm limbs.
DRAR C:\\TDsNME160s. DOC 0&l147 1:50PM TOTAL P.03
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