ML20245D890
| ML20245D890 | |
| Person / Time | |
|---|---|
| Site: | Fort Calhoun  |
| Issue date: | 10/03/1988 |
| From: | Morris K OMAHA PUBLIC POWER DISTRICT |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| LIC-88-887, NUDOCS 8810070281 | |
| Download: ML20245D890 (2) | |
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Omaha Public Power District 1623 Harney Omc% Nebraska 68102 2247 402/536 4000 October 3, 1988 LIC-88-887 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Mail Station P1-137 Washington, DC 20555
Reference:
Docket No. 50-285 Gentlemen:
SUBJECT:
Special Report on Inoperability of Fire Barrier The Omaha Public Power District (0 PPD), holder of Operating License DPR-40, submits this special report pursuant to the requirements of Fort Calhoun Station Unit No. 1 Technical Specification 2.19, " Fire Protection System".
Fort Calhoun Station Unit No. 1 Technical Specification Section 2.19(7) requires that all penetration fire barriers protecting safety-related areas shall be functional (intact). With a penetration fire barrier nonfunctional, within one hour, either establish a continuous firewatch on at least one side of the penetration, or verify the operability of fire detectors on at least one side of the penetration and establish an hourly firewatch patrol. Restore the nonfunctional penetration to functional status within seven days, or prepare and submit within an additional 30 days a report to the Nuclear Regulatory Commission pursuant to Technical Specification 5.9.3.
Ca '.u;u.t 25,19E8, it hss detartined : hat tenden grease which was bein; secreted from the containment building and making contact with seismic gap fire-rated penetration seals, may adversely affect the operability of the seal. The seals were declared inoperable, and within one hour of this determination, fire detector operability was verified and an hourly firewatch patrol initiated on one side of each affected penetration. This issue is pending resolution via engineering evaluation, testing, or redesign of the seals.
8810070281 881003 PDR ADOCK 05000285
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U. S. Nuclear Regulatory Commissicn LIC-88-887 Page 2 The seals have been inoperable in excess of seven days, with an hourly firewatch to remain until the issue is resolved. The actions taken to resolve this issue will be detailed in the response to Violation 50-285/8828-01, which concerns this item. This report is being issued within the 30 day limit specifiedinTechnicalSpecification2.19(7).
Sincerely, K. J. Mor is Division Manager Nuclear Operations KJM/mc c: LeBoeuf, Lamb, Leiby & MacRae 1333 New Hampshire Ave., N.W.
Washington, DC 20036 R. D. Martin, NRC Regional Administrator P. D. Milano, NRC Project Manager P. H, Harrell, NRC Senior Resident Inspector 1
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