ML20236G340

Forwards Balance of Relief Request 7,consisting of Remainder of Preservice Exams of Piping Welds That Could Not Be Completed Due to Inaccessibility

ML20236G340
Person / Time
Site:	Beaver Valley
Issue date:	07/27/1987
From:	Carey J DUQUESNE LIGHT CO.
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
2NRC-7-183, NUDOCS 8708040215
Download: ML20236G340 (36)

Text

{{#Wiki_filter:T: E .F 2NRC-7-183 July 27, 1987 'A@ Beaver Valley No. 2 Unit Project organization b0 Ext.160 Telecopy S.E.G. Building i P,0 Box 328 l Shlppin0 port, PA 15077 'l United States Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555 l

SUBJECT:

Beaver Valley Power Station Unit No. 2 Docket No. 50-412 { PSI Relief Request No. 7 - Piping Welds l i

REFERENCE:

DLC Letter 2NRC-7-048, dated March 12, 1987 Gentlemen: i Attached is the balance of Relief Request Number 7. These piping welds are the remainder of preservice examinations of piping welds that could not be completed in accordance with ASME Section XI due to inaccessibility. gives the applicable code years and addend a, type of examination, basis for relief and the alternative examination. lists the applicable welds and provides other pertinent information. Your expeditious review and approval of this relief request would be greatly appreciated. i i I DUQUESNE LIGHT COMPANY ) l i (/ JQ/J. Careyv Senior Vice President l cc: Mr. P. Tam, Project Manager - w/ attachments Mr. J. Beall, NRC Sr. Resident Inspector - w/ attachments Mr. L. Prividy, NRC Resident Inspector - w/ attachments Mr. G. Johnson, NRR - w/ attachments INPO Records Center - w/ attachments B70B040215 97o727 g\\ lDR ADOCK 05000412 PDR

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DUQUESNE LIGHT COMPANY j BEAVER VALLEY UNIT #2 l l l RELIEF REQUEST #7 ) l l Section XI Edition: 1. 1980 through Winter 1980 Addenda for Class 1 and 2 l 2. 1983 through Winter 1983 Addenda as guidance for Class 2 Components: During the preservice examination of piping weld, fourteen (14) welds were identified where a full code examination could not be completed. 'The applicable welds are shown in the attached list. Examination Requirements: I 1. Volumetric and Surf ace Table: IWB-2500-1 Category: B-J Items: B9.11 & 89.31 2. Surf ace and Volumetric Table: IWC-2500-1 Category: C-F-1 Item: C5.21 Basis For Relief: l Full code examinations could not be completed due to physical impediments. l Section XI figures describing examination requirements do not recognize actual as-built configurations or metallurgical constraints which interfere with surface and volumetric examination. Inspections were performed at the maximum percentage practicable as shown in the attached listing. i Alternative Examination: i The required weld volume was examined to the maximum extent practicable. These welds have been hydrostatically tested per the applicable construction code. PAGE 1 0F 33 I

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Subject:

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