ML19317F491

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Provides List of Problem Areas to Be Solved for Rept to ACRS by mid-Aug
ML19317F491
Person / Time
Site: Oconee Duke Energy icon.png
Issue date: 02/28/1972
From:
US ATOMIC ENERGY COMMISSION (AEC)
To:
US ATOMIC ENERGY COMMISSION (AEC)
References
NUDOCS 8001140721
Download: ML19317F491 (1)


Text

2V" cm. v v FEB 2 6 rd?.

6 NOTE FOR FILES STATUS OF OCONEE 2.AND 3 REVIEW The following problem areas have to be resolved in the near future in order to meet a staff report to the ACRS by mid-August in tire to make a September ACRS meeting.

1.

Net Positive Suction Head A DRL position is required by March 15, 1972 either modifying Safety Guide No. 1 or granting exception to the assumptions stated in the case of Units 2 and 3.

2.

Isolation Valve Interlocks A DRL position is required by March 15, 1972. Oconee Unit 1 was granted an exception to the DRL position on the flooding tanks isolation valves. Is this exception going to apply to Units 2 and 37 Units 2 and 3 do not meet the proposed guide for RHR valve interlocks.

Numerical guides for fission product releases 3.

Hydrogen Control during purging are required prior to March 15, 1972 so that a position on backfitting Units 2 and 3 can be stated in the question list to the applicant.

4.

Material Surveillance - A DRL position is required by March 15, 1972 regarding Oconee Unit 2 since Unit 2 capsules have been fabricated and will not meet proposed new rules. New rules must be available by June 1972 for Oconee Nucicar Generating Unit 3.

S.

Ultimate Heat Sink - Imposition of new flood criteria (proposed Safety Guide) presents serious problems with regard to the adequacy of tho Oconee system. A DRL position on this matter is required by ISrch 15, 1972.

n,9 2 date for DRS to complete The April _1_2 i

6.

DRS Review Schedule _

its review questions will cause a one month delay in the Sentenber ACRS schedule as will the August 21, 1972 date for.the DRS Draft Report to ACRS.

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)I 8001140 7 2 /

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