ML20087Q030

NPDES Noncompliance Notification:On 831012,17,19,20,21,23 & 25,several Ph Discharge Violations Occurred.Caused by Repairs & Mods to Chemical Equalization & Decantation Holding Basins.Problem Will Continue Until Mods Completed

ML20087Q030
Person / Time
Site:	Fort Calhoun
Issue date:	11/07/1983
From:	Thurtell F OMAHA PUBLIC POWER DISTRICT
To:	Gagliardo J, Ringenberg J NEBRASKA, STATE OF, NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
LIC-83-278, NUDOCS 8404100227
Download: ML20087Q030 (10)

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l Omaha Public Power District 1623 Hamey Omaha. Nebraska 68102 402/536 4000 November 7, 1983 LIC-83-278 Y h $\

Mr. J. E. Gagliardo, Director

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Division of Resident Reactor Project

& Engineering Programs i 3 '

i U. S. Nuclear Regulatory Commission l'- t s

Region IV 611 Ryan Plaza Drive, Suite 1000 ##**

• Arlington, Texas 76011

Dear Mr. Gagliardo:

NPDES Permit Violation The Omaha Public Power District, pursuant to an agreement made by letter dated April 15, 1983, provides the attached non-compliance reports for the Fort Calhoun Station, NPDES permit number NE 0000418. A copy is also being provided to the Director, Of fice of Nuclear Reactor Regulation.

Sincerely, J .f0 W. C.( Jones Divi lon Manager l Produ'c tion Operations WCJ/JCB:jmm Attachments

( cc: Mr. Darrell G. Eisenhut, Director U. S. Nuclear Regulatory Commission l Of fice of Nuclear Reactor Regulation l Division of Licensing l

Washington, D.C. 20555 LeBoeuf, Lamb, Leiby & MacRae 1333 New Hampshire Avenue, N.W.

! Washington, D.C. 20036 l

Mr. E. G. Tourigny, Project Manager Mr. L. A. Yandell, Senior Resident Inspector 8404100227 831107 l PDR ADOCK 05000285 l S PDR 4s:I24 Employment with Equal Opportunity l

Male / Female gl g

l Omaha Public Power District 1623 Harney Omaha. Nebraska 68102 402/536-4000 October 27, 1983 83-QARA- 102 Mr. Jay D. Ringenberg Chief, Permits & Enforcement Section State of Nebraska Department of Environmental Control Box 94877, State House Station Lincoln, Nebraska 68509-4877 RE: NPDES Noncompliance Reports for the Fort Calhoun Station

Dear Mr. Ringenberg:

Please find enclosed NPDES Noncompliance Reports for the Fort Calhoun Station from samples taken on October 12,17,19, 20, 21, 23 and 25,1983.

Currently the District is in the process of repairing and modi fying the *

, chemical equalization and decantation holding basins (settling basins) at the l Fort Calhoun Station. This is being done for the purpose of maintenance and improvement of the recircul ation and neutralization capabilities of the system.

Repairs on the piping system will involve the replacement of piping with fibercast pipe to prevent future corrosion. The modifications will include new valves and valve arrangements. This modification will improve retention l of water plant discharges in one basin while recirculation / neutralization or releasing is occurring in the other.

Due to the current tie-in between the two settling basins and the requirement to keep one basin empty throughout the duration of the modification work, discharges without recirculation have become necessary. Subsequent pH noncompliance problems have resulted and will continue until the repair and modification work is completed.

Work on the settling basins is scheduled for completion approximately four weeks from this date. At that time, the frequent condition of pH noncompli-ance at the Fort Calhoun Station should cease.

5 sm Employmeng h ua,I opponunny

f.. .

Mr. Jay D. Ring:nberg

,0ctober 27, 1983 Page 2 On October 26, 1983, Jack Quackenbush telephoned you about the possibility of submitting one letter upon completion of construction which would contain all the violations during the repair and modification time period rather than reporting each noncompliance.

This letter serves as the District's formal notification of our intention to report future noncompliances during the construction period in this manner.

We shall also keep you informed on the progress of the repair and modifi-cation work up to its completion.

If you require any further infomation or have any questions or comments on any of the above, please advise.

Sincerely, F. A. Thurtell Division Manager Quality Assurance & Regulatory Affairs FAT /TVG:cb Enc.

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