Letter Sequence Other |
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Results
Other: ML19211C502, ML19225C629, ML19241B277, ML19242B871, ML19257A933, ML19274F296, ML19337A164, ML19351E408, ML20003H527, ML20008E280, ML20010A331, ML20030B943, ML20126H318
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MONTHYEARML19241B2771979-07-11011 July 1979 Forwards Revision 1 to Rept on Reanalysis of Safety-Related Piping Sys. Seven Piping Supports Will Be Modified & Two New Supports Will Be Installed.Requests Authorization to Begin Interim Operation Until Refueling Project stage: Other ML19274F2961979-07-18018 July 1979 Forwards Revision 2 to Rept on Reanalysis at Safety- Related Piping Sys Project stage: Other ML19225C6291979-07-27027 July 1979 Forwards Revision 3 to Rept on Reanalysis of Safety-Related Piping Sys. Change Reflects up-to-date Reanalysis & Mod Program Project stage: Other ML19242B8711979-08-0707 August 1979 Forwards Revision 4 to Rept on Reanalysis of Safety-Related Piping Sys Project stage: Other ML19257A9331980-01-0303 January 1980 Advises That Baseplate Evaluations Per IE Bulletin 79-02 Revealed Two & One half-inch to six-inch Piping Designed for Loads Derived from SHOCK-2 Computer Calculations Project stage: Other ML19211C5021980-01-0303 January 1980 Submits Corrections to 790803 Rept on Seismic Reanalyses of Safety-Related Piping Sys, Revision 4.Nine Computer Problems Exist for Which SHOCK-II Run Is Run of Record for Some Pipe Supports.Reanalyzing Problem Project stage: Other ML19337A1641980-08-14014 August 1980 Forwards Responses to IE Bulletin 79-14 & Suppls 1 & 2, Seismic Analysis for As-Built Safety-Related Piping Sys. W/Completion of Mods,All Piping Sys Will Be Able to Perform Required Safety Functions During Seismic Event Project stage: Other ML19331C6601980-08-14014 August 1980 Interim Deficiency Rept Re Linear Indications in Gib Gusset Welds in Reactor Vessel Structural Support(Neutron Shield Tank).Metallographic Analysis of Weld Samples & Addl Insps Being Conducted.Next Rept Will Be Issued on 801101 Project stage: Request ML20008E2801980-10-20020 October 1980 Identifies Status of Activities Re IE Bulletin 79-14.All Physical Insp of Piping & QC Records Completed.All Piping Reanalyzed.Mods to Supports to Be Completed Before Startup. Requests Extension Until 810331 for Full Completion Project stage: Other ML19339A1831980-10-20020 October 1980 Amend 34 to License DPR-66,removing Nine Hydraulic Snubbers from Table 3.7-4 of Tech Specs Project stage: Request ML19351E4081980-11-0303 November 1980 Immediate Action Ltr 80-43:discusses Util 800814,0911 & 1020 Ltrs Re IE Bulletin 79-14.Enumerates Actions Taken or Planned by Util.Requests Response If Actions Differ from Actions Described Project stage: Other ML20126H3181981-03-31031 March 1981 Requests Extension Until 810407 for Submittal of Final Rept Re IE Bulletin 79-14, Seismic Analysis for As-Built Safety- Related Piping Sys. Addl Time Required for Review of Info Re Reanalysis Effort Supplied by Ae Project stage: Other ML20003H5271981-04-0707 April 1981 Submits Rept Re IE Bulletin 79-14, Seismic Analysis for As- Built Safety-Related Piping Sys. Rept Not Final Since Equipment Nozzle Info Is Incomplete.Vendor Responses Outstanding Project stage: Other ML20010A3311981-07-31031 July 1981 Requests 2-wk Extension to Satisfy Requirements of IE Bulletin 79-14,per .Util Awaiting Vendor Concurrence for Seven Components Project stage: Other ML20030B9431981-08-14014 August 1981 Submits Final Response to IE Bulletin 79-14, Seismic Analysis for As-Built Safety-Related Piping Sys. Nozzle Load Evaluations Complete & Required Mods Installed,Except for Two Items.Status of Equipment Nozzles Encl Project stage: Other 1980-10-20
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,o I t c 1 's July 27, 1979 Mr, llarold R Denton Director of Nuclear Reaetor Regulation United St ates ?;uclear Regulatory Con clission Attention:
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S clnee n c e r, Chief Operating Reactors Dranch No. 1 Division of Operating Reactors L'a sh in p, t o n, DC 20555
Reference:
Eeaver Valle:r Pm;cr S t a'. ion, Unit No. 1 Dochet ':e. 50-334 Request to Terminate the Cumission 's March 13, 1979
" Order to S h o'.; Cause" Ge n t l er..e n :
Enclosed are three (3) signea originals and thirty-sevan (37) copie:, of Rcvision 3to the " Report on the Reanalysis of Safety Related Piping Systems f c r Denver Valle; No. I Unit".
This revision consist.'> of replacement pager to the origin al report submitted to you on. lune 19, 1979 and includes responses to ce r t ain qt:i a t ions received from the staff in a telephone conversations during the week of July 23, 1979.
The changes reflect the up-to-date statur of the reanalysis and redification j
program.
Very truly yours, lc l[
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C. N'Dunn Vice President, Operation.,
Enclosure
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