ML20153D491

Ro:On 871219 & 880314,spills of Lubricating Oil Occurred. Caused by Equipment Failure in Travelling Water Screen in Cooling Water Intake Structure & Faulty Fitting on Auxiliary Feed Pump.Screen & Fitting on Pump Repaired

ML20153D491
Person / Time
Site:	Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png
Issue date:	05/02/1988
From:	Mroczka E, Sears C NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To:	Deland M ENVIRONMENTAL PROTECTION AGENCY
References
D01917, D1917, NUDOCS 8805090168
Download: ML20153D491 (3)

Text

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NORTHEAST UTILITIES o.ner.i Off,c. . seio n street. seriin. Conn.ciicui H RTFORD. CONNECTICUT 06141-o270 L t T;  %,;",' O'lL".!"g"' (2m> 66s-5000 May 2, 1988 001917

! Mr. Michael Deland, Regional Administrator l U.S. Environmental Protection Agency J. F. Kennedy Federal Building Boston, Massachusetts 02203

Dear Mr. Deland:

Haddam Neck Station Oil Spill Reoort In accordance with 40 CFR 112.4(a), Northeast Utilities Service Company (NUSCO), on behalf of Connecticut Yankee Atomic Power Company (CYAPC0),

submits a report concerning the spills at CYAPC0's Haddam Neck Station. There have been two spills at Haddam Neck within a 12-month period:

December 19, 1987 and March 14, 1988.

NUSCO hereby submits the following information with reference to the two spills:

1. Name of Facility:

Haddam Neck Station

2. Name of the Owner or Operator of the Facility:

Connecticut Yankee Atomic Power Company P.O. Box 270 Hartford, Connecticut 06141-0270

3. Location of the Facility: ,

l The facility is located on a 500-acre site in Haddam, Connecticut on the Connecticut River.  !

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4. Date and Year of Initial Facility Operation:

The station was first placed into commercial operation in January,1968.

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Mr. Michael Deland, Regional Administrator U.S. Environmental Protection Agency D01917/Page 2 May 2, 1988

5. Maximum Storage and Handling Capacity of the Facility and Normal Daily Throughput:

I The Haddam Neck site has a total oil storage capacity of approximately l 145,000 gallons. This storage is located in many tanks, no one of which is larger than 42,000 gallons,. and includes lubrication oil, transformer. '

oil, diesel fuel, and home heating fuel. All site deliveries of oil are  !

by truck.

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l Normal daily oil consumption is 0 gallons.

6. Description of Facility: '

The Haddam Neck Station is a single-unit nuclear power plant located on the east bank of the Connecticut River in Haddam. The reactor is a pressurized light water moderated and cooled system. The 616.2 MW turbine is a tandem compound unit. i l

7. SPCC Plan:

A copy of the SPCC Plan is attached.

8. The Causes of the Spills: l The spill on December 19, 1987 involved approximately one quart of lubricating oil. It was caused by an equipment failure in the plant's travelling water screen in the cooling water intake structure.

The spill on March 14, 1988 involved approximately one pint of lubricating oil. It was caused by a faulty fitting on an auxiliary feed pump.

9. Corrective Actions and/or Countermeasures Taken:

The oil that was spilled on December 19, 1987 (one quart) entered the Connecticut River and dissipated. No containment of the oil was possible. The traveling water screen has been repaired. No other corrective actions or countermeasures are planned.

The oil that was spilled on March 14,1988 (one pint) also entered the Connecticut River and due to dissipation, could not be contained. The fitting on the pump has been repaired. No other corrective action or countermeasures are planned.

10. Additional Preventive Measures Taken or Contemplated to Minimize the l Possibility of Recurrence:

I In both spill events, the equipment causing the spill has been repaired. l No further corrective action is anticipated. Since the spills did not  !

. involve oil storage facilities or associated equipment, revisions to the ,

SPCC Plan are not necessary. l I

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Mr. Michael Deland, Regional Administrator U.S. Environmental Protection Agency D01917/Page 3 May 2, 1988 By copy of this letter, CYAPC0, pursuant to 40 CFR ll2.4(c) and Section 22a-450 of the Connecticut General Statutes, is providing the Water Compliance Unit of the Department of Environmental Protection with a copy of all information sent to the EPA Regional Administrator.

If you have any questions, please call Ms. Cynthia L. Karlic, NUSCO Generation Facilities Licensing, at (203) 665-3740.

Very truly yours, NORTHEAST UTILITIES SERVICE COMPANY As Agent for Connecticut Yankee Atomic Power Company

$,d <M E. J. Mroczka "

Senior Vice President Lkuwt By: C. F. Sears Vice President cc: Mr. Richard Barlow Water Compliance Unit Department of Environmental Protection 122 Washington Street Hartford, Connecticut 06106 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C. 20555 A. B. Wang, NRC Project Manager, Haddam Neck Plant J. T. Shedlosky, Senior Resident Inspector, Haddam Neck Plant