ML20211R066

Special Rept:On 861031,fire Barrier Between Control Room & Cable Spreading Room in Panel AI-33C Rendered Inoperable. Firewatch Established.Barrier Remained Inoperable in Excess of 7 Days Due to Procurement Problems

ML20211R066
Person / Time
Site:	Fort Calhoun
Issue date:	12/05/1986
From:	Andrews R OMAHA PUBLIC POWER DISTRICT
To:	Martin R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
LIC-86-634, NUDOCS 8612220239
Download: ML20211R066 (2)

Text

.

.- C  !

1 Omaha Public Power District 1623 Hamey Omaha. Nebraska 68102-2247 402/536 4000 December 5, 1986

[.b.

1 DEC I i 1986 J' Mr. Robert D. Martin i1 Regional Administrator t

__ _ _____ _.D  ; 1 U. S. Nuclear Regulatory Commission J Region IV

~

611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76011

Reference:

Docket No. 50-285

SUBJECT:

Special Report on Inoperability of Fire Barrier The Omaha Public Power District, holder of Operating License DPR-40, submits this special report pursuant to the requirements of Fort Calhoun Station Unit '80. 1 Technical Specification 2.19, " Fire Protection System",

and T.S. 5.9.3, "Special Reports".

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 affected 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.

On October 31, 1986, the fire barrier between the control room and the cable spreading room in panel AI-33C (Fire Areas 41 and 42) was rendered inoperable to facilitate testing of the control room ventilation system.

Within one hour, the fire detectors were verified operable and an hourly firewatch patrol was established. Testing was completed three days later on November 3, 1986. The fire barrier remained inoperable, however, for an additional 31 days due to procurement problems with repair materials.

The fire barrier was returned to operability on December 4,1986, after being repaired under Maintenance Order No. 864015 and Maintenance Procedure MP-FP-2. Since the fire barrier was inoperable in excess of l

861222O239 861205 ,

PDR ADOCK 05000285 4  !

T l .. ,_ S PDR lt,  ;

L /

l 4s s,n , mmm-~~.m '.

Wie F emale

' Mr. Robert D. Martin LIC-86-634 Page Two seven days, this special report is being submitted within the additional 30 days specified in Technical Specification 2.19(7). Future delays of this nature can be prevented now that the lead time on ordering replacement material is known. No further action is required.

Sincerely,

" a R. L. Andrews Division Manager Nuclear Production RLA/me c: LeBoeuf, Lamb, Leiby & MacRae 1333 New Hampshire Ave., N.W.

Washington, DC 20036 A. C. Thadani, NRC Project Director D. E. Sells, NRC Project Manager P. H. Harrell, NRC Senior Resident Inspector T. J. McIvor R. J. Mueller J. E. Lechner l