ML19317E398

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Monthly Operating Rept for Apr 1978
ML19317E398
Person / Time
Site: Oconee  Duke Energy icon.png
Issue date: 05/15/1978
From: Reavis J
DUKE POWER CO.
To:
Shared Package
ML19317E390 List:
References
NUDOCS 7912170588
Download: ML19317E398 (2)


Text

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DOCKET No:

50-270 UNIT:

Oconew Unit 2 DATE:

05-15-78 r

4 NARRATIVE

SUMMARY

M0"SH: April, 1978 Oconee 2 began the month of April at near rated power.

On 4/6 the unit was removed I' rom service because of valve packing leakage on the RC system. After a complete cooldown and inspection, valves 2RC-2 AND 2RC-3 were repacked.

During heatup.'.ather leak was noted during a leak check of the Reactor Build-ing. The leak w:n coming from an 0-ring seal on the middle heater bundle of the pressurizer which required a cooldown and draining for repair. The unit was returned to service on 4/25 and after necessary holds reached near rated power level on 4/28 and continued through the month's end.

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MONTHLY REFUELING INFORMATION REQUEST 1.

Facility name: Oconee Unit 2 2.

Scheduled next refueling shutdown: December 3, 1978 3.

Scheduled restart following refueling:

January 21, 1979 4.

Will refueling or resumption of operation thereafter require a technical specification change or other license amendment? Yes If yes, what will these be? Amendment to incorporate technical specifications for Oconea Nuclear Station Unit 2 Cycle 4.

If no, has reload design and core configuration been reviewed by Safety Review Committee regarding unreviewed safety questions?

If no, when is review scheduled?

5.

Scheduled date(s) for submitting proposed licensing action and supporting information:

October 15, 1978 6.

Important licensing considerations (new or different design or supplier, unreviewed design or performance analysis methods, significant chandes in design or new operating procedures).

7.

Number of fuel assemblies (a) in the core: 177 (b) in the spent fuel pool: 141 8.

Present licensed fuel pool capacity: see Oconee Unit #1 Size of requested or planned increase: see Oconee Unit #1 9.

Projected date of last refueling which can be accommodated by present licensed capacity: 3/3/80 DUKE POWER COMPANY Date: May 15, 1978 i

Name of

Contact:

J. A. Reavis 012 17 0.k _

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