ML20215A344

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Responds to 860309 Request for Discussion of Util Plans to Prevent Detrimental Processes Described in IE Circular Notice 77-15 Re Fuel Oils Stored in Contact W/Zinc.Ameron Guidelines Will Be Incorporated Into Procedure 30080
ML20215A344
Person / Time
Site: Vogtle, 05000000
Issue date: 06/04/1986
From: Foster D
GEORGIA POWER CO.
To: Grace J
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20213E629 List:
References
GN-928, IEC-77-15, NUDOCS 8612110253
Download: ML20215A344 (4)


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Atlanta, GA 30323 Re'ference: Vogtle Electric Generating Plant - Unit 1, Readiness Review Program Module 138, Coatings Attention: Mr. J. Nelson Grace Your letter of March 9,1986 asks for a discussion of Georgia Power Company plans to prevent the detrimental processes described in NRC IE circular No.

77-15, which can occur when fuel oils are stored in contact with zinc.

Bechtel Engineering has recomended the purchase of fuel oil with a neutralization number of 0.1 or less, and monitoring of the fuel in storage to identify any detrimental processes. This recomendation is discussed in the Module 13B, Independent Design Review Report, Section 7.4.5.3.

We have reviewed the Bechtel recomendations and, in addition, have obtained the recomendation of the coating manufacturer, Ameron. Ameron recomends that stored oil in contact with their inorganic zinc coating be kept within the following specifications:

Neutralization number No more than 0.4 Mercaptan .- No more than 0.01%

The Ameron guidelines will be incorporated into procedure 30000, " Diesel Fuel l

' Chemistry Control", in a revision to be issued by June 30, 1986. The procedure calls for sampling each storage tank quarterly and sending the samples to a qualified offsite laboratory for analysis.

Laboratory analysis results will be reviewed to verify that the oil in storage meets the recomended neutralization numbers and mercaptan levels.

l If the results of the laboratory analysis indicate unacceptable conditions i

exist, corrective actions could include, but are not limited to, t

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1. Pumping the oil to the start-up boiler storage tank for burning or into tanker trucks for disposal.
2. Applying i'n oil additive to reduce the neutralization number.
3. Adding more oil to dilute the mercaptan ,value.

We believe the above described program is adequate to prevent any degradation of engine performance.

TbJs response contains no proprietary information and may be placed in the NRC public document room.

Very truly your

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& t D. O. Foster PRT/00F/bjd cc: See Attachment 1 i

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ENGINEERED SAFETY FEATURES ACTUATION SYSTEM INSTRUMENTATION E

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