ML20141F410
| ML20141F410 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 06/30/1997 |
| From: | Alexion T NRC |
| To: | NRC (Affiliation Not Assigned) |
| References | |
| TAC-M98818, NUDOCS 9707020342 | |
| Download: ML20141F410 (4) | |
Text
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+4 UNITED STATES g
j NUCLEAR REGULATORY COMMISSION a
WASHINGTON, D.C. 20065 4001
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June 30, 1997 l
MEMORANDUM TO:
PD IV-1 File FROM:
Tom Alexion
SUBJECT:
LICENSEE'S RESTART CRITERIA FOR R00 DROP TEST PLANNED FOR l
JUNE 1997, SOUTH TEXAS PROJECT, UNIT 1 (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.
l Docket No. 50-498
Attachment:
Fax from Licensee l
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DISTRIBUTION:
I Docket File PUBLIC (PDR)
\\f'D L
b JClifford TAlexion 3
4 D0C. NAME: STP98818.N0T2 NE FILE CEFEll COPY i
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- 1 9707020342 970630 PDR ADOCK 05000498 P
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Houston Lighting & PowerO:mpany a
OFFKEMBf0MNDUM t
i l
To:
T. H. Ckminger June 25,1997 I
From:
.A.I.4 azar ST-HS-HS-0365%
l FileNo.: R26
Subject:
Unit 1 Cycie 7 Incomplete RCCA Imertion Evahlation STINo.: 30326369 Critmia for June 1997 Rod Drop Testing Nesse find the attached evaluation criteria to be used for evahtating incomplete rod insertion conditions durita the upcoming Unit I rod drop test this month. Your cpproval authorizes me to apply these criteria for' entry into Mode 2 per OPOP03-ZG 0004 (Reactor Startup).
Attachment cc:
J. F. Groth L. E. Martin G. L. Parkey J. R. Lovell R. F. Dunn RMS Approved:
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j ATTACHMENT DWostD60En2*mo4TF7013. Doc j
06/2597327 FM 1
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y Unit 1 Cycle 7 Incomplete RCCA Inserti:n Evaluati:n Criterb for June 1997 Rod Drop Testing Delta Rod Drop Time E~i Drop Thne Increase Since last Test)
Tech Speclimit ReviewLindt Immadime RestartLimit i
act apphcable
$0.3sec s0.1see
{
j Rod Drop Thne iTechnical SWtion 3.1.3.4) l Tech SpecLimit ReviewLimit f===H* Restart Lunit 4
52.8sec 52.06 see s1.86 see l
Shutdown Maritin (Technical Sn.caneation 3.1.1.1)- Applicable for no-load Tava" Safety Evaluatum(SE)Ilmit Review Lhnit Im=~her RestartIlmit l
Category 1 56 RCCAss11 steps 12 RCCAs56 steps 8 RCCAs s 6 steps, NoIRIin V5Hfhats25 gw&mm
,3 andSundardnuts30g Watu i
Casescry2 20 RCCAs516 steps 3 RCCAss12 stsp[
7RCCAs56 steps pins pins 1RCCAs 12 steps, f
6RCCAss6 steps NoWin V5Bfus!s25gwWsatu j
. and Standardihet s30 gwemen C.L..y 3 12 RCCAss22 steps 1 RCCAs18 steps 7RCCAss6 steps 1h plus plos 1 RCCA512 steps, 6RCCAss 6 steps No Min V5Hibels25 gwWato and Standard fhcl530 gwWmtu
'All Shadown Margm limiu assume the highest M4 worth rod is ibily withdrawn. Refer to USQE 96 0025 fbr fbrther category detada. Rod posinons its the Review and i==mbe* Rastart hmus are based on DRPI indemhan and amount for DRPI sysem uncertainty (* 4 stepc).
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Unit 1 Cycle 7 Incomplete RCCA Insertion Evalaati:n Criteria for June 1997 Rod Drop Testing Actions Based on Incomplete RCCA Insertion OcedMon Criteria **
Aedons 1.
Starmp Unit Case 1 ALL tmmadute Restart Lanuts met.
2.
No addinonalshort term accons 3.
Comuracate naults to the NRC 1.
Startup Unit Ayy rmemeRastartIlmitEmet.
2.
Review data and evaluate redeems the Case 2 but burnup intervalprior to the next rod drop test. Evaluate revision of sistdown M MewImuts met margm calculations. Complete withm 2 weeks afterstartup 3.
f'ammimicar results to the NRC M ReviewIlmatHQImet.
1.
BridNRC uttestresults and any Case 3 but planned acdoes pdortorestart ALL Safety EvaluationLimitsmet 2.
Startup Unit 1.
Evaluate data and revise the Sdety Case 4 ESdety EvalashonLimitEmet Evaluanon orrecon8 nre reactorcore 3
2.
Inform NRC "Cnteria apphes to Rod Drop Tune limits and a single Category of Shutdown Margin laats.
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