ML20080G609: Difference between revisions

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#REDIRECT [[DCL-84-026, Ro:On 831215,fire Barrier Wall Between Containment Penetration Area & Auxiliary Bldg Removed.Wall Replaced W/Concrete Barrier for Addl Strength in Event of Steam Pipe Leak Prior to Operation]]
| number = ML20080G609
| issue date = 01/23/1984
| title = Ro:On 831215,fire Barrier Wall Between Containment Penetration Area & Auxiliary Bldg Removed.Wall Replaced W/Concrete Barrier for Addl Strength in Event of Steam Pipe Leak Prior to Operation
| author name = Schuyler J
| author affiliation = PACIFIC GAS & ELECTRIC CO.
| addressee name = Martin J
| addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
| docket = 05000275
| license number =
| contact person =
| document report number = DCL-84-026, DCL-84-26, NUDOCS 8402130477
| document type = REPORTABLE OCCURRENCE REPORT (SEE ALSO AO LER), TEXT-SAFETY REPORT
| page count = 1
}}
 
=Text=
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                                                              " flE PACIF'IC CrA S AND ELECTR,IC                                                C O M PANY IP G wiE          i    77 scate sincer san enAncis  , cNohska /4ScEF.F415) 781-4211 . TWX 910-372-6587 J.O.SCHUYLER                                                ,, ,,,,,
mu222.C.                                            January '23, '1984 PGandE Letter No:      DCL-84-026 Mr. John B. Martin, Regional Administrator U. S. Nuclear Regulatory Commission, Region V 1450 Maria Lane, Suite 210 Walnut Creek, CA 94596-5368 Re: Docket No. 50-275, OL-DPR-76 Diablo Canyon Unit 1 Special Report on Non-Functional Fire Barriers
 
==Dear Mr. Martin:==
 
Pursuant to Section 6.9.2 of Appendix A of the Diablo Canyon Unit 1 Operating License, and as specifically required by Technical Specification 3.7.10, this Special Report is submitted concerning two fire barriers in safety-related areas being non-functional for greater than seven (7) days.
On December 15, 1983, construction crews began removing a fire barrier wall between the containment penetration area and the auxiliary building. This wall is being replaced by a concrete barrier for additional strength in the event of a steam pipe leak. The concrete tire barrier will be completed prior to plant operation above 5% power.
Also, on December 19, 1983, work was begun to add additional heat tracing to pipes penetrating the ceiling of the Boron Injection Tank Room. This rendered a second fire barrier penetration non-functional. This fire barrier will also be restored prior to plant operation above 5% power.
In accordance with Tech Spec 3.7.10a fire patrols were established for both cases within one hour. Specification 3.7.10a also requires submittal of this Special Report, as the fire barriers remained non-functional for greater than seven (7) days.
These conditions have in no w&y affected the public's health and safety.
Sincerely, 8402130477 840123                                -
                                                                      /
DR ADOCK 05000                                'j.
J. O. Schuyi r cc:  G. W. Knighton Director, Office of Management, ' +'rmation and Program Control
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