ML20086H942

Environ RO 75-7:on 750327,second Fan Lost on Cooling Tower C.Caused by Several Small Fitting Leaks in Oil Lines.All Leaks Repaired

ML20086H942
Person / Time
Site:	Peach Bottom
Issue date:	04/04/1975
From:	Cooney M PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	Giambusso A Office of Nuclear Reactor Regulation
References
RO-75-7, NUDOCS 8401200358
Download: ML20086H942 (2)

Text

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- PHILADELPHIA ELECTRIC COMPANY -

2301 MARKET STREET f PHILADELPHIA. PA.19101 ..'

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April 4,1975 'O ' f.1^' .

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Mr. A. Giambusso, Director .. _ .. -

Division of Reactor Licensing Office of Nuclear Reactor Regulations

, United Stated Nuclear Regulator / Commission Washington, DC 20555

Subject:

Environmental Deviation The following deviation was reported to Mr. Walt Baunack, Office of Inspection and Enforcement, Region 1, United States Nuclear Regulatory Commission on March 27, 1975

Reference:

License Number DPR-44/56 Environmental Technical Specifications 2.1 Report No.: 50-277/278-75-7 Report Date: April 6,1975 -

Deviation Date: March 27,1975 Facility: Peach Bottom Atomic Power Station Units 2 and 3 R. D. 1, Delta, Pennsylvania 17314 Identification of Deviation:

Loss of the second fan on the 'C' cooling tower.

Conditions Prior to Deviation:

Units 2 and 3 both operating essentially at full power.

Description of Deviation:

With the tower in service, the 'F' fan drive train was observed to have excessive oil leakage. The 'D' fan was not in service due to a previous bearing box failere. See 50-277/278-75-3 Designation of Apparent Cause of Deviation:

Several small fitting leaks in oil lines.

8401200358 750406 Sob,p2ib.

go u k 855 PDR ADOCK 05000277 97YIy,JA S PDR QM stN1 REGION - =

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Mr. A. Giamousso .

50-27 8-75-7 .

Apri l 4, 1975 Page 2 Analysis of Deviation:

As there were nine of eleven fans running, there were no significant environmental consequences as a result of the inoperability of this far.. The water temperature leaving the tower changed only slightly. River flows during this period were in excess of 76,000 cf s.

Correctivre Action:

All the small fitting leaks were repaired.

Failure Data:

Environmental Deviation Reports 50-277/278-74-2, 50-277/278-75-1, 50-277/278-75-2, and 50-277/278-75-6.

Very truly yours,

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H. J,, C oone y q Ass)f Gen't Superin endent Gen'eration Division cc: Mr. J. P. O'Reilly, Director Region 1 ,

Office of Inspection and Enforcement United States Nuclear Regulatory Conmission 631 Park Avenue King of Prussia, PA 19406 ,