Home > NRC Library > ADAMS Public Documents

Forwards listing of documents comprising regulatory history for GSI B-56, "Diesel Reliability," including identified documents.Requests NUDOCS listing of documents so issue can be closed out & proposed rule withdrawn.

Accession Number: ML20042D089

Date Released: Friday, October 25, 2024

Package Contents

The following links on this page are to Adobe Portable Document Format (PDF) files. To obtain a free viewer for displaying this format, see our Plugins, Viewers, and Other Tools.

• ML20045A794 - Forwards listing of documents comprising regulatory history for GSI B-56, "Diesel Reliability," including identified documents.Requests NUDOCS listing of documents so issue can be closed out & proposed rule withdrawn. (9 page(s), 4/22/1993)
• ML20045B212 - Discusses 910219 ltr to J Johnson re confidence limits. (1 page(s), 3/7/1991)
• ML20045B360 - Informs that staff has completed review of GSI B-56, "Diesel Generator Reliability." Forwards proposed resolution package,including,RG 1.9,rev 3,NUMARC-8700,backfit analysis & draft FRN for issuance of RG 1.9,rev 3. (79 page(s), 8/23/1989)
• ML20045A975 - Ack receipt of 911101 ltr to B Lee re development of interim guidance for reduction in EDG accelerated testing.Believes that development & use of interim guidance granting relief from existing accelerated testing criteria,positive step. (16 page(s), 1/6/1992)
• ML20045B151 - Discusses EDG reliability.Understandings should be reached on listed basic factual issues,in order to resolve EDG starts & failures. (2 page(s), 5/17/1991)
• ML20045B205 - Discusses H Lewis position on diesel generator reliability. Two options suggested by H Lewis delineated.Threshold criteria not supported by statistics involved. (1 page(s), 3/18/1991)
• ML20045B268 - Ack receipt of 901221 ltr to NRC Commissioners & EDO. Supports completely arbitrary trigger points for various level of attention to DGs. (2 page(s), 12/31/1990)
• ML20045B171 - Notation vote,approving,in part & disapproving,in part w/ comments,SECY-90-340, "Resolution of GSI B-56, 'Diesel Reliability.'" (2 page(s), 4/5/1991)
• ML20045B104 - Responds to 910521 ltr to Commissioner Curtiss re reduction in current EDG accelerated testing requirements to be pursued independent of closure of B-56 issue. (1 page(s), 11/1/1991)
• ML20045A799 - Summary of 890502-03 meeting w/NUMARC & EPRI in Rockville,MD re EDG reliability monitoring & reliability programs.List of attendees & other supporting documentation encl. (212 page(s), 5/12/1989)
• ML20045A961 - Forwards industrywide data on EDG performance,including start & load-run demands & failures,per request.Data represents specific snapshot of time & any conclusions drawn should consider limitation. (8 page(s), 3/5/1992)
• ML20044B420 - Requests that SECY-90-340 be converted from info paper to notation paper. (2 page(s), 10/29/1990)
• ML20044B468 - Informs that ad hoc advisory committee established to examine advantages/disadvantage of goal orientated approach to regulations & develop conceptual approach to performance based regulation using triggers & guidelines from EDG. (3 page(s), 5/21/1991)
• ML20045A966 - Provides comments on diesel generator reliability rule. Rule package will be edited & forwarded w/response to latest NRC comments. (1 page(s), 1/14/1992)
• ML20045B216 - Requests suspension of action on COMJC-91-001,pending receipt of staff review of technical & legal issues proposal may raise. (1 page(s), 2/21/1991)
• ML20045A878 - Discusses review of NUMARC comments.Specific responses to NUMARC assessment of rept listed,including,two events in which svc water pump did not automatically load onto respective safety bus,identified as EDG failures in S19-01. (14 page(s), 9/18/1992)
• ML20045B309 - Summary of CRGR meeting 190 on 900725 re proposed new std review plan section 17.3 on QA,presented by C Thomas,A Gody, E McKenna & J Spraul of NRR & revised package on diesel generator reliability,presented by W Minners & A Serkiz. (75 page(s), 9/14/1990)
• ML20045A798 - Responds to 921218 ltr to Chairman Selin commenting on staff proposed resolution for GSI B-56, "Diesel Generator Reliability" & plans to withdraw proposed rule amend to 10CFR50.63. (1 page(s), 4/9/1993)
• ML20045B262 - Expresses gratitude for sending equations for confidence limits.Supports setting arbitrary thresholds for different levels of attention to diesels. (3 page(s), 2/19/1991)
• ML20045B280 - States position previously mentioned during 901026 briefing, in that industry actions & performance coupled w/individual licensee commitment in response to SBO rule provide sufficient basis for closure of GI B-56. (2 page(s), 11/9/1990)
• ML20045A872 - Summary of 870422 meeting re review of work plan for developing EDG reliability guidelines.Next meeting to review initial results scheduled for 870603.Written matl will be express mailed by 870527.List of attendees encl. (38 page(s), 4/28/1987)
• ML20044B419 - Discusses need for generic ltr & associated reg guide to resolve Generic Safety Issue B-56, "Diesel Generator Reliability." (11 page(s), 11/8/1990)
• ML20045B191 - Discusses review of staff response to Commissioner Rogers request for analysis of approach proposed in COMJC-91-001 re resolution of GI B-56.Lists views on major policy issues as summary of position on issue. (4 page(s), 4/1/1991)
• ML20045B288 - Informs that CRGR staff strongly supports staff final proposed action to publish rev 3 to RG w/stand-alone guidance for monitoring & maintaining EDG reliability, including detailed guidance on EDG reliability programs. (27 page(s), 10/16/1990)
• ML20042D090 - Notice of issuance & availability of draft Reg Guide 1.9, "Selection,Design,Qualification,Testing,Reliability of Diesel Generator Units Used as Onsite Electric Power Sys at Nuclear Power Plants." (4 page(s), 11/4/1988)
• ML20045A871 - Summary of 870623 meeting re review of EDG reliability program being developed for resolution of generic issue B-56.List of attendees & meeting agenda encl. (7 page(s), 7/9/1987)
• ML20042D091 - Proposed Rule 10CFR50 re backfit analysis for Reg Guide 1.9, Proposed Rev 3, "Selection,Design,Qualification,Testing & Reliability of Diesel Generator Units Used as Onsite Electric Power Sys at Nuclear Power Plants." (7 page(s), 11/4/1988)
• ML20045B122 - Summarizes 910627 NUMARC Board of Director meeting re GI B-56 re EDG reliability & describes related industry activities. (2 page(s), 8/5/1991)
• ML20045B130 - Summarizes 910627 NUMARC Board of Director meeting re GI B-56 re EDG reliability.Implementation of EDG trigger values should proceed w/completion date of 911231. (1 page(s), 8/5/1991)
• ML20045A951 - Forwards paper entitled, "More Diesels" containing addl diesel data per H Lewis request. (7 page(s), 4/8/1992)
• ML20045A953 - Forwards H Lewis comments on issue of EDG reliability & associated NRC proposed rule on same subj,to be considered in development of final version of proposed diesel generator reliability rule. (9 page(s), 3/30/1992)
• ML20042D138 - Summary of 890526,0606,13,20 & 22 meetings w/NUMARC in Rockville,MD re rev to proposed Rev 3 to Reg Guide 1.9, "Selection,Design,Qualification,Testing & Reliability of Diesel Generator Units Used as Onsite Electric...." (36 page(s), 6/29/1989)
• ML20045B272 - Notation vote,approving w/comments,SECY-90-340, "Resolution of GSI B-56, 'DG Reliability.'" (2 page(s), 11/23/1990)
• ML20045B209 - Corrects misunderstanding in note to J Johnson.Station blackout calculations can be carried out w/assumed reliabilities of diesels.Attention to diesels can be triggered by arbitrary failure rates. (1 page(s), 3/18/1991)
• ML20042D088 - Forwards Encl 3 to minutes of CRGR Meeting 146,revised FR notice & proposed Reg Guide 1.9,Rev 3.Plans made to make backfit analysis available through publication in FR. (2 page(s), 11/4/1988)
• ML20045A873 - Discusses proposed resolution of GSI B-56, "Diesel Generator Reliability" & concurs w/CRGR recommendations.Every recommendation for revising Commission paper,per CRGR Meeting 235 not carried out due to EDO schedule. (1 page(s), 2/26/1993)
• ML20045B110 - Expresses gratitude for 910805 ltr re GSI B-56, "Diesel Reliability." States that staff will proceed to revise SBO rule (10CFR50.63) & RG 1.9,rev 3 (proposed) in response to SRM dtd 910626. (1 page(s), 8/23/1991)
• ML20045B378 - Summary of 890510 meeting w/NUMARC in Rockville,MD re follow up to discussions held on 890502-03 w/NUMARC & EPRI staff & to obtain further feedback from NUMARC on 890501 draft of RG 1.9,rev 3 (proposed) & feedback from 890502-03 meetings. (39 page(s), 5/18/1989)
• ML20045B197 - Forwards results of review of Commissioner Curtiss proposed alternative to staff proposal in SECY-90-340, "Resolution of GSI B-56, 'Diesel Generator Reliability.'" (6 page(s), 3/29/1991)
• ML20045A948 - Forwards industrywide data on current EDG performance per HW Lewis request.Data represents EDG failure data for period 1988 through 1991 & provided in hardcopy & on computer diskette in EXCEL software format. (43 page(s), 6/22/1992)
• ML20044B433 - Responds to request for info re Generic Issue B-56, "Diesel Reliability" & 10CFR50.63, "Station Blackout," per 901218 briefing of Commissioner Curtiss. (7 page(s), 1/17/1991)
• ML20045B221 - Discusses previous vote on SECY-90-340, "Resolution of GSI B-56, 'DG Reliability,'" recommending approach to resolve GSI B-56 that would rely upon results-oriented,performance- based approach. (4 page(s), 2/19/1991)