Letter Sequence Other |
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Administration
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MONTHYEARML20134F3711985-08-12012 August 1985
Notification of 850827 Meeting W/Util & S&W in Bethesda,Md to Discuss Alternate Pipe Rupture Protection
Project stage: Meeting
ML20133H9491985-10-10010 October 1985
Forwards Proprietary Whipjet Program, Re Improved Means for Determining Necessity to Install Mechanical Devices to Protect Equipment & Structures from Effects of Pipe Breaks. Program Withheld (Ref 10CFR2.790)
Project stage: Other
ML20137C0041986-01-0909 January 1986
Discusses Four Areas of ACRS Interest Resulting from Review of ACRS Rept.No Opponent Connection Found Between Four Areas & Schedule for Sser 1
Project stage: Other
ML20153H1021986-02-18018 February 1986
Notification of 860304 Meeting W/Util in Bethesda,Md to Discuss Progress in Whipjet Program
Project stage: Meeting
ML20154M6371986-03-0606 March 1986
Notification of 860313 Meeting W/Util in Bethesda,Md to Discuss Util Progress in Whipjet Program (Use of leak- before-break Assumption for Balance of Plant Piping)
Project stage: Meeting
ML20199E3861986-03-18018 March 1986
Summary of 860304 Meeting W/Util,Novetech Corp,Rl Cloud Assoc,Epri & S&W Re Progress on Whipjet Program.Attendee List Encl
Project stage: Meeting
ML20199D9091986-03-18018 March 1986
Notification of 860410 Meeting W/Util in Bethesda,Md to Discuss Util Progress W/Whipjet Program for Use of leak-before-break Assumption for balance-of-plant Piping. List of Attendees Provided
Project stage: Meeting
ML20199J6361986-03-31031 March 1986
Summary of 860312 Meeting W/Util Re Second Progress Report Meeting on Whipjet Program.Viewgraphs,Attendee List,Agenda & Summary of Questions Raised by NRC Encl
Project stage: Meeting
ML20141J1031986-04-16016 April 1986
Notification of 860520 Meeting W/Util in Bethesda,Md to Discuss Progress of Whipjet Program Re Use of leak-before-break Assumption for balance-of-plant Piping
Project stage: Meeting
ML20203C2071986-04-16016 April 1986
Summary of Third Progress Rept 860410 Meeting W/Epri,S&W, Novetech Corp & Rl Cloud Assoc to Discuss Progress in Whipjet Program Re Use of leak-before-break Assumption on balance-of-plant Piping
Project stage: Meeting
IR 05000334/19860061986-05-0101 May 1986
Insp Rept 50-334/86-06 on 860311-0418.Violations Noted: Failure to Assess RHR HX Outlet Temp Remote Shutdown Monitoring Instrumentation Channel as Inoperable.Deviation Noted:Poor Quality Welds on Fuel Oil Day Tank Supports
Project stage: Request
ML20203P9661986-05-0101 May 1986
Forwards Request for Addl Info & Formal NRC Position Re Whipjet Program.Request Also Contains Addl Questions from Review of 860410 Draft Progress Rept.Response Requested Prior to Next Whipjet Meeting on 860520
Project stage: Draft RAI
ML20205S5961986-05-29029 May 1986
Summary of 860520 Meeting W/Util Re Progress in Whipjet Program (Use of leak-before-break Assumption on balance-of- Plant Piping).List of Attendees Encl
Project stage: Meeting
IR 05000412/19860121986-06-18018 June 1986
Insp Rept 50-412/86-12 on 860510-0613.No Violation or New Safety Problems Noted.Major Areas Inspected:Preoperational Program Implementation,Rcs Hydro Test Evaluation,Exhaust Hood Insulation Failures & RCS Cleanup
Project stage: Request
ML20204E9281986-07-24024 July 1986
Notification of Fifth Progress Rept Meeting W/Util on 860827 in Bethesda,Md to Discuss Progress in Whipjet Program Re Use of leak-before-break Assumption for balance-of-plant Piping
Project stage: Meeting
ML20204H3281986-08-0404 August 1986
Notification of 860813 Meeting W/Util in Bethesda,Md to Discuss Issues Re Whipjet Program (Use of leak-before-break Assumption to balance-of-plant Piping),Including Leak Detection Margin & Schedular Exemption to GDC 4
Project stage: Meeting
ML20205C5261986-08-0707 August 1986
Expresses Appreciation for Arranging 860813 Alternate Pipe Rupture Protection Program (Whipjet) Meeting Between NRC & Util in Bethesda,Md to Resolve Issues Re Schedular Exemption & Leak Detection Safety Margin
Project stage: Meeting
ML20209F8611986-09-0909 September 1986
Requests 860916 Meeting in Boston,Ma to Discuss,In Detail, Response to Questions Provided During Fifth Progress Rept Meeting on Whipjet Issues
Project stage: Meeting
ML20203M9971986-09-12012 September 1986
Forwards NRC Positions & Request for Addl Info Re Whipjet Program (Application of leak-before-break Criteria to balance-of-plant Piping).Major Problem Areas Include Lack of Matl Test Data & Detectable Leak Rate for Ferritic Piping
Project stage: RAI
ML20210J5601986-09-22022 September 1986
Summary of 860827 Fifth Progress Rept Meeting W/Util, Westinghouse,Rl Cloud Assoc,S&W,Novetech,Etec,Epri & Bechtel Re Whipjet Program.Agenda & List of Attendees Encl
Project stage: Meeting
ML20211E9601986-10-23023 October 1986
Forwards Whipjet Program Rept & Proprietary App B, Stainless Steel Matl Properties Re Alternate Approach to Pipe Break Protection for balance-of-plant Piping. Expeditious Review Requested
Project stage: Other
ML20214E2851986-11-17017 November 1986
Forwards Proprietary App C to Whipjet Final Rept,Containing Info Re Properties of Ferritic Steel Base & Weld Metals. Application for Withholding Encl.Proprietary App C Withheld (Ref 10CFR2.790)
Project stage: Request
ML20207Q1531987-01-14014 January 1987
Notification of 870116 Meeting W/Util in Bethesda,Md to Discuss Applicant Personnel Issues That Arose as Result of NRC Review of Whipjet Program Rept
Project stage: Meeting
ML20210A9041987-02-0202 February 1987
Requests Partial Exemption from GDC 4 of 10CFR50,App a by Applying leak-before-break Technology as Alternative to Providing Hardware & Proprietary Withholding of App B to Whipjet Program Rept (Ref 10CFR2.790).Encl Withheld
Project stage: Other
ML20210T5651987-02-11011 February 1987
Summary of 870116 Meeting W/Util Re Issues That Remained Open as Result of Review of Whipjet Final Rept . Suggests Applicant Submit Formal Request for Exemption from GDC 4 for Piping Addressed in Rept.Related Info Encl
Project stage: Meeting
ML20210S8801987-02-11011 February 1987
Forwards Review Comments on Proof & Review Tech Specs,Per NRC 870128 Request
Project stage: Other
ML20204J2431987-02-13013 February 1987
Forwards Details of Changes to Whipjet Program Rept, Including Clarifications & Reanalysis of Some Fracture Mechanics Calculations,Resulting in Data Somewhat Different than Data Transmitted in Rept by .W/O Rept
Project stage: Other
1986-05-29
[Table View] |
Text
i 2NRC-7-021 Be Vai
- o. 2 Unit Project Organization Telecopy Ext.160 P.O. Box 328 February 2, 1987 Shippingport, PA 15077 Mr. Harold R. Denton Office of Nuclear Reactor Regulation United States Nuclear Regulatory Commission Washington, DC 20555 ATTENTION:
Mr. Peter Tan, Project Manager Division of PWR Licensing - A Office of Nuclear Reactor Regulation SUB. LECT:
Beaver Valley Power Station - Unit No. 2 Docket No. 50-412 Request for Partial Exenption fron General Design Criterion 4 Based on the WHIPJET Program
REFERENCE:
1)
Letter 2NRC-6-112 from J. J. Carey (DLC) to H. R. Denton (NRC) dated October 23, 1986.
Gentlenen:
The purpose of this letter is to request a partial exenption fron General Design Criterion (GDC) 4 of Appendix A to 10CFR Part 50 by applying " leak-before-break" technology as an alternative to providing hardware to protect against dynanic effects resulting fran certain postulated austantic steel pipe ruptures inside containnent.
The scope of the exenption being requested is limited to only certain high energy, balance-of-plant, piping systens.
They are identified in Attachment 1 to this letter.
The specific break locations and pipe whip re;.traints and jet impingenent shields that are to be eliminated are also indentified in attachnent 1.
The techni ul infonnation to justify this request for exenption is contained in the revised WHIPJET Progran Report.
Five (5) copies of this re-port are being transmitted at the sane time as this letter under seperate cover.
This report is a rev i sion to the final report submitted by the referenced letter and the revisions are based on agreenents reached with the NRC staff and its consultants in the WHIPJET meeting of January 16, 1987 in Bethesda, Maryl and.
Please note that Appendix B of the. WHIPJET Progran Report contains propri-etary infonnation on the properties of austentic steel base metal and weld metal.
The request for withholding this infonnation fran public disclosure in accordance with 10CFR2.790 is enclosed with the report.
This application for withholding is being made by Duquesne Light Conpany on the behalf of its sub-contractor on this project, Robert L. Cloud and Associates (affidavit enclosed with report).
8702090038 870202 PDR ADOCK 05000412 (r
A PDR
United States Nuclear Regulatory Commission Mr. Harold R. Denton, Director Request for Partial Exemption From General Design Criterion 4 Based on the WHIPJET Program i
Page 2 Upon approval of this exemption request, the FSAR will be amended to reflect this alternative design basis.
4 The expeditions' issuance of a Safety Evaluation Report and a partial exenption to GDC 4 would be greatly appreciated.
DUQUESNE LIGHT COMPANY By v
Wr.Jfgarey Senior Vice President JJS/ijr NR/JJC/WHIPJET Attachnent hNAR
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Mr. P. Tan, Project Manager Mr. J. Beall, NRC Sr. Resident Inspector Ms. A. Asars, NRC Resident inspector i
INP0 Records Center NRC Document Control Desk l
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Unit:d States Nuclear R:gulatory Commission Mr. Harold R. Denton, Director Request for Partial Exenption Fron General Design Criterion 4 Based on the WHIPJET Program Page 3 COMMONWEALTH OF PENNSYLVANIA )
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SS:
COUNTY OF BEAVER
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On this M day of id/11 oz/c
, /k!, before me, a Notary Public in and for said Commonwealth [nd County, personally appeared J. J. Carey, who being duly sworn, deposed and said that (1) he is Senior Vice President of Ouquesne Light, (2) he is duly authorized to execute and file the foregoing Submittal on behalf of said Company, and (3) the statenents set forth in the Submittal are true and correct to the best of his knowledge, 1
h-i Notary )ublic gung 8. FMir.1, >1TAff ruiuG SWirNkCP0ti WO. BEAVEt COUNIT gf C0mtlssl0N EZPIRES OCT.23,1989 w, Pesasytani, Amweinth d M i
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