ML20084E746

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Telecopy Ao:On 700514,MSIV 1B Failed to Close Following Load Rejection Test.Packing Gland Adjusted
ML20084E746
Person / Time
Site: Ginna 
Issue date: 05/18/1970
From: Pratt C
ROCHESTER GAS & ELECTRIC CORP.
To: Kirkman R
US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20084E724 List:
References
NUDOCS 8304150331
Download: ML20084E746 (2)


Text

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USAEC(90 'BROA ST N EWARK N JER THIS IS TO C04 FIRM MY C04VERSATION OFE950 THIS DA1E WITH FLOYD CANTRELL IN RESARDS TO ABNORMAL ACCURANCE THAT HAPPENED AT Y-4 4

@45 ON 51 -70 AT THE GINNA STATIO4. AT 2200 ON 5-1 -70 WE g

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CG40001E0 A 100 PERCENT LOAD REECTIQ4 TEST. AT 2345, WHILE o

SHOP AT SHUTDOWN 0040lTION. THE REACTOR OPERATOR CLOSED THE NP MA.N S1EAM LINE INSULATIO4 VALVES MSIV-1A AND MSIV-15 FROM I

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TE C04 TROL ROOM. THE PANNEL BOARD INDICAT]NG LIGHT SHOWED y

THAT THE MSIV-1BOIO NOT CLOSE. IMEDIATE INVESTIGATION FOUND F

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THAT ALL SOLEN 0IO VALVES HAD OPERATED. TE MSIV-1B VALVE WAS THEN OPERATED LOCALLY SEVERAL TIES AND IT WAS OBSERVED TiuT l

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,I TE VALVE DIO NOT CLOSE COMPLETELY EVERY TIME. THE PACKING I

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. - v:3 GLAND WAS ADJUSTED AND THB4 WE WEE ABLE TO COMPLETELY CLOSE i

THE VALVE. DURING THE SCE00LE TWO WEEK OUTAGE OF THE UNIT WE WILL CHECK THE OPERATION OF TE VALVE AND THE OPERATING j

CYLINDER. TE VALVE WILL E RE1ESTED ATTER THE REACTOR IS RETUR4 l

TO OPERATING TEMPERATURE AND PESSURE CHART 2S E PRATT SUPERINTENDENT GINNA STATION ROCHESTER GAS AND ELECTRIC

-!i 0930 23 45 5-14-70 2200 5-14-70 100 2345 MSIV-1A MSIV-1B MSIV-1BOID MS IV-15.

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j MEMO ROUTE SLIP f

Form AEC-93 (R.v. May 14,1947) AECM 0240 Note and reture.

For algnature.

For information.

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TO (Name and unit; IntT1ALS REMARKS Re; ROCHESTER GAS AND ELECTRIC CORPORATION j

J. P. O'Reilly DOCKET NO. 50-244 a

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The attached TWX dated 5/18/70 is forwarded as ner i

TO (Name and unit)

IIeTIALS REMARKS

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Provisional Instruction No. 1000/l'.I 2

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Attachment:

I Orig & 1 cy TWX l

TO (Name and unit) puTLALS REMARKS ll f

Gm A & RBQ e 7UJa.

FROM (Name and unit)

REMARKS

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1 R. T. Carlson (11GG5 CO:I

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1 enonc na om X-3944 5/18/70 USE OTHER $4DE FOR ADDITichAL REMARKS spo t toss e-asa-sis

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