ML20197J432

Submits Daily Highlight.On 850328,util Completed 100 H Acceptance Test.Reactor Tripped to Initiate Natural Circulation Boron Mixing Test.Natural Circulation Established.Boron Concentration Verified on 850329

ML20197J432
Person / Time
Site:	Diablo Canyon
Issue date:	03/29/1985
From:	Schierling H Office of Nuclear Reactor Regulation
To:	Harold Denton, Edison G, Eisenhut D Office of Nuclear Reactor Regulation
Shared Package
ML20197G068	List: IA-86-744, Submits Daily Highlight.On 860930,util Commenced Unloading Spent Fuel from Unit 1 Into Original Racks,Reinstalled Into Unit 1 Pool.On 861001,fuel Assembly Element in Reactor Vessel Tipped Into Unloaded Assemblies.No Fuel Damage ML20197G063 ML20197G272 ML20197G348 ML20197G378 ML20197G383 ML20197G406 ML20197G411 ML20197H807 ML20197J383 ML20197J432 ML20198G046 ML20210U819 ML20211H655 ML20211N838 ML20214N656 ML20215D091 ML20215N496
References
FOIA-86-744 NUDOCS 8504120104
Download: ML20197J432 (1)

Text

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MAR 2 91l( ,

I MEMORANDUM FOR: H. Denton, NRR l D. Eisenhut, NRR'  !

G. Edison, TOSB, NRR H. Thompson, DL F. Miraglia, DL l T. Novak, DL W. Russell, Acting Director, DHFS  !

J. Knight, Acting Director, DE R. Bernero, DSI T. Speis, DST

8. Snyder, THIPO, NRR G. Holahan, ORAB G. Lainas, DL--- - -

D. Crutchfield, DL THRU: George W. Knighton, Chief Licensing Branch No. 3 Division of Licensing FROM:

Hans Schierling, Project Manager Licensing Branch No. 3 Division of Licensing J

SUBJECT:

DAILY HIGHLIGHT Diablo Canyon Unit 1 PG&E completed the 100 hour0.00116 days <br />0.0278 hours <br />1.653439e-4 weeks <br />3.805e-5 months <br /> acceptance test for Unit 1 on March 28 at 6:20 am PST. The reactor was tripped at 9:30 pm PST to initiate the natural circulation boron mixing test. Natural circulation was established on March 29 at 12:45 am PST.

Baron concentration was verified. Cool down was initiated at 4:45 am PST.

Cool down to RHR mode is estimated to be completed at 1:00 pm PST March 29, 1985.

Cidy EaAb kr Hans Schierling, Project Manager Licensing Branch No. 3 Division of Licensing Distribution:

Docket File 50-275 LBf3 Reading JLee HSchierling CEarly EWeinkam JLyons S81ack D H3 ighton (f3hDL:LBf3 HSchierling/yt 03Ag /85 G

03/4/85 1 Y SE .,

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