ML20235M212
| ML20235M212 | |
| Person / Time | |
|---|---|
| Site: | Fort Calhoun  |
| Issue date: | 02/17/1989 |
| From: | Milano P Office of Nuclear Reactor Regulation |
| To: | Morris K OMAHA PUBLIC POWER DISTRICT |
| References | |
| IEB-88-004, IEB-88-4, TAC-69916, NUDOCS 8902280169 | |
| Download: ML20235M212 (3) | |
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February 17, 1989 Do'cket fl0. 50-285 Mr. Kenneth J. Morris Division Manager-Nuclear Operations Omaha Public Power District 1623 Harney Street Omaha, Nebraska 68102
Dear Mr. Morris:
l
SUBJECT:
RESPONSE TO NRC BULLETIN 88-04, FORT CALHOUN (TAC 69916) i i
On May 5,1988, the NRC staff issued NRC Bulletin 88-04, " Potential Safety-Related Pump Lcss." The bulletin requested the evaluation of all safety-related pumps for 1) pump-to-pump interaction during miniflow operation that could result in dead-heading of one or more of the pumps and 2) the adequacy of the minimum flow bypass lines with respect to damage resulting from opera-4 tion and testing in the minimum flow mode. The bulletin also requested that within 60 days of receipt of the bulletin, licensees provide a written response that (a) summarizes the problems and systems affected, (b) identifies the short-term and long-term modifications to plant operating procedures or hardware that have been or are being implemented to ensure safe plant operations, (c) identifies an appropriate schedule for long-term resolution of this and/or other significant problems that are identified as a result of this bulletin, and (d) provides justification for continued operation particularly with regard to General Design Criterion 35 of Appendix A to Title 10 of the Code of l
Federal Regulations (10 CFR Part 50), " Emergency Core Cooling" and 10 CFR 50.46,
" Acceptance Criteria for Emergency Core Cooling Systems for Light Water Nuclear Power Reactors." Additionally, the staff requested that within 30 days of com-pletion of the long-term resolution actions, that licensees provide a written response describing the actions taken.
By letter dated February 10, 1989, you responded to Bulletin 88-04 Your response provided the information requested in a, b, c, and d above.
In addi-i tion,.your February 10th response indicated that an identified deficiency was corrected during the 1988 outage.
This fulfills your requirement in responding to Bulletin 88-04.
As discussed in Bulletin 88-04, you should document and maintain for at least two years an evaluation of your actions in responding to the bulletin. These records may be subject to future auditing.
Sincerely,
Patrick D. Milano, Project Manager Project Directorate - IV Division of Reactor Projects - III, j
IV, V and Special Projects l
Office of Nuclear Reactor Regulation
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February 17, 1989
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p Docket N0. 50-285 Mr. Kenneth J. Morris Division Manager-Nuclear Operations Omaha Public Power District 1623 Harney Street Omaha,. Nebraska 68102
Dear Mr. Morris:
SUBJECT:
RESPONSE TO NRC BULLETIN 88-04, FORT CALHOUN (TAC 69916)
On May 5,1988, the NRC staff issued NRC Bulletin 88-04, " Potential Safety-Related Pump Loss." The bulletin requested the evaluation of all safety-related pumps for 1) pump-to-pump interaction during miniflow operation that could result in dead-heading of one or more of the pumps and 2) the adequacy of the minimum flow bypass lines with respect to damage resulting from opera-tion and testing in the minimum flow mode. The bulletin also requested that within 60 days of receipt of the bulletin, licensees provide a written response that (a) summarizes the problems and systems affected, (b) identifies the short-term and long-term modifications to plant operating procedures or hardware that have been or are being implemented to ensure safe plant operations, (c) identifies an appropriate schedule for long-term resolution of this-and/or and (d) gnificant problems that are identified as a result of this bulletin, other si provides justification for continued operation particularly with regard to General Design Criterion 35 of Appendix A to Title 10 of the Code of Federal Regulations (10 CFR Part 50), " Emergency Core Cooling" and 10 CFR 50.46,
" Acceptance Criteria for Emergency Core Cooling Systems for Light Water Nuclear Power Reactors." Additionally, the staff requested that within 30 days of com-pletion of the long-term resolution actions, that licensees provide a written response describing the actions taken.
By letter dated February 10, 1989, you responded to Bulletin 88-04.
Your response provided the information requested in a, b, c, and d above.
In addi-tion, your February 10th response indicated that an identified deficiency was corrected during the 1988 outage. This fulfills your requirement in responding 1
to Bulletin 88-04.
l As discussed in Bulletin 88-04, you should document and maintain for at least
- two years an evaluation of your actions in responding to the bulletin. These records may be subject to future auditing.
Sincerely,
$Q
^
l
=
Patrick D. Milano, Project Manager l
Project Directorate - IV l
Division of Reactor Projects - III,
{
l-IV, V and Special Projects v
Office of Nuclear Reacter Regulation l
cc: See next page j
l j
Mr. Kenneth J.' Morris Fort Calhoun Station
' Omaha Public Power District Unit No. I cc:
Harry H. Voigt,' Esq.
LeBoeuf. Lamb, Leiby & MacRae 1333 New Hampshire Avenue, NW Washington,-.D.C. 20036 Mr. Jack Jensen, Chairman Washington County Board of Supervisors Blair, Nebraska 68003 Mr. Phillip Horrell, Resident Inspector U.S. Nuclear Regulatory Commission-P. O. Box 309 Fort Calhoun, Nebraska' 68023 Mr. Charles B. Brinkman, Manager Washington Nuclear Operations-
. Combustion Engineering, Inc.
12300 Twinbrook Parkway, Suite 330 Rockville, MD 20852 Regional Administrator, Region IV U.S. Nuclear Regulatory Commission Office of Executive Director for Operations 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76011 Harold Borchert, Director Division of Radiological Health Department of Health 301 Centennial Mall, South P.O. Box 95007 Lincoln, Nebraska 68509 W. G. Gates, Manager Fort Calhoun Station P. O. Box 399 Fort Calhoun, Nebraska 68023 i
L I
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