ML20084E746

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: ML20084E721 ML20084E746
References
NUDOCS 8304150331
Download: ML20084E746 (2)

Text

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l SYC095 SYJHN67 ML NL PDF TDRH mTAR10 NY 15 310'P EDT' l RVgINMANDIR ' ION 1 DIVN OF COMPLIANfE ( SUSFECTED DUPLICATE RUSH DLY)

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, 7 ~ #, g. , , q L THIS IS TO C04 FIRM MY C04VERSATION OFE950 THIS DA1E WITH FLOYD CANTRELL IN RESARDS TO ABNORMAL ACCURANCE THAT HAPPENED AT Y-

@45 ON 51 4-70 AT THE GINNA STATIO4. AT 2200 ON 5-1 4-70 WE g [

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

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

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

,I TE VALVE DIO NOT CLOSE COMPLETELY EVERY TIME. THE PACKING I sF.12 (RS66)

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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  !'

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, MEMO ROUTE SLIP Form AEC-93 (R.v. May 14,1947) AECM 0240 s.. m. mut mi..

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 a DOCKET NO. 50-244 l

CO:HQ The attached TWX dated 5/18/70 is forwarded as ner i TO (Name and unit) IIeTIALS REMARKS , .3 1 Provisional Instruction No. 1000/l'.I 2

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Attachment:

I Orig & 1 cy TWX l TO (Name and unit) puTLALS REMARKS ,

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• f FROM (Name and unit) REMARKS Gm A & RBQ e 7UJa. '

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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