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MONTHYEARML20096C9121984-08-0606 August 1984
Requests Extension to 841215 for Response to Generic Ltr 84-15 Re Diesel Generator Reliability.Extension Requested Due to Manpower Constraints,Time Needed to Collect,Verify & Analyze Data & Time Required to Formulate Future Actions
Project stage: Other
ML20101N6601984-12-28028 December 1984
Forwards Response to 840702 Generic Ltr 84-15 Re Reduction in Number of Cold Fast Starts Surveillance Tests for Diesel Generators & Diesel Generator Reliability Data
Project stage: Other
ML20101S5361985-01-28028 January 1985
Forwards Revised Pages to 841228 Response to Generic Ltr 84-15 Re Diesel Generator Reliability Data.Revised List of Failures & Causes of Failures for Each Diesel Generator for Last 20 & 100 Demands Encl
Project stage: Other
ML20101R8571985-01-31031 January 1985
Informs That Diesel Generator Reliability Info Submitted in in Response to Generic Ltr 84-15 Precludes Separate Response to Generic Ltr 83-41 Re Fast Cold Starts of Diesel Generators
Project stage: Other
ML20134A1321985-10-25025 October 1985
Advises of Review of Tech Specs & Intent to Prepare Application for Amend in Response to Generic Ltr 84-15 Re Diesel Generator Reliability.Schedule Discussed W/Nrc Project Manager on 851008
Project stage: Request
ML20140F8511986-03-21021 March 1986
Proposed Tech Spec Sections 2 & 3 Incorporating Surveillance Requirements for Solid Radwaste.Discussion,Justification & Significant Hazards Consideration Encl
Project stage: Other
ML20140F8391986-03-21021 March 1986
Application for Amend to License DPR-40,changing Sections 2 & 3 of Tech Specs to Incorporate Surveillance Requirements for Solid Radwaste
Project stage: Request
ML20140F8161986-03-28028 March 1986
Forwards Application for Amend to License DPR-40,changing Sections 2 & 3 of Tech Specs to Incorporate Surveillance Requirements for Solid Radwaste.Certificate of Svc Encl. Fee Paid
Project stage: Request
ML20205M3801986-04-0909 April 1986
Application for Amend to License DPR-40,revising Tech Specs Re Surveillance Requirements for Emergency Diesel Generator
Project stage: Request
ML20205M3641986-04-0909 April 1986
Forwards Application for Amend to License DPR-40,revising Tech Specs,Re Surveillance Requirements for Emergency Diesel Generators
Project stage: Request
ML20207S1161987-03-13013 March 1987
Forwards Response to Questions Raised on 860321 Application for Amend to License DPR-40 Re Testing of Emergency Diesel Generators to Complete Generic Ltr 84-15 Actions
Project stage: Request
ML20216D0571987-06-22022 June 1987
Proposed Tech Specs Re Deletion of Requirement to Start Diesel Engine
Project stage: Other
ML20216D0271987-06-22022 June 1987
Update to 860321 Application for Amend to License DPR-40, Incorporating Discussion,Justification & Significant Hazards Considerations Re Deletion of Requirement to Start Diesel Engine
Project stage: Request
ML20235G8961987-09-24024 September 1987
Safety Evaluation Supporting Amend 111 to License DPR-40
Project stage: Approval
ML20235G8881987-09-24024 September 1987
Amend 111 to License DPR-40,incorporating Revised Surveillance Requirements for Diesel Generators Into Tech Specs,Per Generic Ltr 84-15, Proposed Staff Actions to Improve & Maintain Diesel Generator Reliability
Project stage: Other
ML20235G8721987-09-24024 September 1987
Forwards Amend 111 to License DPR-40 & Safety Evaluation. Amend Incorporates Revised Surveillance Requirements for Diesel Generators Into Tech Specs,Per Generic Ltr 84-15, Proposed Staff Actions..., Per Util 860328 Request
Project stage: Approval
1986-03-21
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i Omalla Public Power District 1623 Harney Omaha. Nebraska 68102 402/536-4000 January 31, 1985 LIC-85-024 Mr. Darrell G. Eisenhut, Director Office of Nuclear Reactor Regulation Division of Licensing U. S. Nuclear Regulatory Commission Washington, DC 20555
Reference:
(1) Docket No. 50-285 (2) Generic Letter 83-41, dated December 16, 1983 (3) Letter OPPD (W. C. Jones) to NRC (D. G. Eisenhut) dated January 6,1984 (LIC-84-002)
(4) Generic Letter 84-15, dated July 2, 1984 (5) Letter OPPD (R. L. Andrews) to NRC (D. G. Eisenhut) dated December 28, 1984 (LIC-84-413)
Dear Mr. Eisenhut:
Fast Cold Starts of Diesel Generators Generic Letter 83-41 Reference 2 contained a voluntary request for infomation concerning the fast cold starts of diesel generators (i.e., starts with rapid acceleration and loading without prelubrication and wamup).
In Reference 3, the District provided a response to Reference 2 which stated that Fort Calhoun's emergency diesel generators are provided with prelubrication and wamup capabilities.
The Fort Calhoun diesel generators are kept warm by a water jacket inmersion heater and a lube oil pump which circulates oil when the generator is not op-erating.
For these reasons, the District concluded that the concerns of NRC Generic Letter 83-41 were not applicable to Fort Calhoun Station.
Subsequently, the Omaha Public Power District received Reference 4.
This letter requested that certain information regarding diesel generator relia-bility be submitted.
In order to respond to this request, considerable research was conducted and numerous conversations were held with the manu-facturer of the Fort Calhoun diesel generators. Through these conversations it was ascertained that although the diesel generators are kept warm and are equipped with a lube oil heater, these items are not sufficient to eliminate the stresses associated with fast cold starts.
8502050070 850131 0
DRADOCK05000g
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' As Reference (5) subsequently provided more detailed information on diesel gener-ator reliability at the Fort Calhoun Station, no separate response to Reference (2) is now required.
Sincerely, Y
R. L. Andrews Division Manager Nuclear Production RLA/DJM/dao cc: LeBoeuf, Lamb, Leiby & MacRae 1333 New Hampshire Avenue, N.W.
Washington, DC 20036
-Mr. E. G. Tourigny, NRC Project Manager Mr. L. A. Yandell, NRC Senior Resident Inspector u_.
