View source for DCL-84-377, Special Rept 84-14:on 841102,Unit 1 18-month Fire Barrier Insp Identified Six Conduits & One Cable Penetration Not Sealed in Accordance W/Installation Procedure DCP 2.Fire Watch Established.Related Correspondence

{{Adams
| number = ML20100B865
| issue date = 12/07/1984
| title = Special Rept 84-14:on 841102,Unit 1 18-month Fire Barrier Insp Identified Six Conduits & One Cable Penetration Not Sealed in Accordance W/Installation Procedure DCP 2.Fire Watch Established.Related Correspondence
| author name = Shiffer J, Shiffer W
| author affiliation = PACIFIC GAS &amp; ELECTRIC CO.
| addressee name = Martin J
| addressee affiliation = NRC OFFICE OF INSPECTION &amp; ENFORCEMENT (IE REGION V)
| docket = 05000275
| license number = 
| contact person = 
| case reference number = CON-#185-623
| document report number = 84-14, DCL-84-377, OL, TAC-52060, NUDOCS 8503280637
| document type = REPORTABLE OCCURRENCE REPORT (SEE ALSO AO LER), TEXT-SAFETY REPORT
| page count = 1
| project = TAC:52060
| stage = Other
}}

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                                                        'M          Letter No.:    DCL-84-377 Mr. John B. Martin, Regional Administrator U. S. Nuclear Regulatory Commission, Region Y 1450 Maria Lane, Suite 210                                    RELATED CORRESPON.DENCE, Walnut Creek, CA 94596-5368 Re: Docket No. 50-275, OL-DPR-80                                                                          ~
Diablo Canyon Unit 1 Special Report, SR 84-14, Non-Functional Fire Barriers

==Dear Mr. Ma(tin:==

Pursuant to Section 6.9.2 of Appendix A to the Diablo Canyon Unit 1 Operating License, and as specifically required by Technical Specification 3.7.10, action item a, this Special Report is submitted concerning the fire barriers in safety-related areas that have been non-functional for more than seven (7) days.
On November 2,1984, a regularly scheduled 18 month Fire Barrier Inspection (STP M-70) identified 6 conduits and 1 cable penetration in the Containment Penetration Area that had not been sealed in accordance with installation procedure DCP 2. All seven were satisfactorily foamed, inspected, and declared operational on November 20 and 21,1984 The fire watch requirement of Technical Specification 3.7.10, action item a, was met by a previously established roving hourly fire patrol. Specification 3.7.10, action item a, also requires submittal of this Special Report, as the fire barriers remained non-functional for more than seven (7) days.
These conditions have in no way affected the public's health and safety.
Sincerely, W. A. Raymond for J. D. Shiffer cc:   G. W. Knighton Director, Office of Management Information and Program Control Service List 8503280637 841207 PDR    ADGCK 05000275 S                   PDR
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