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MONTHYEARML19256C5901979-05-18018 May 1979 PNO-79-118:hydraulic Snubbers Failed to Meet Bleed Rate Criteria.Probable Cause Is Air Contamination in Snubbers. Licensee Plans to Test & Repair All Snubbers Project stage: Other ML20005B2121981-06-29029 June 1981 Responds to NRC 801120 Request Re Application for License Amend to Incorporate Tech Specs Revisions Re Snubber Surveillance.License Commitment to Ansi/Asme Std Program Should Be Acceptable Alternative to License Amend Project stage: Request ML13330A4261981-12-24024 December 1981 Forwards Amend 102 to License DPR-13,consisting of Proposed Change 105 to Modify Existing Tech Specs to Be Consistent W/Sts Project stage: Request ML13326A7041982-09-0808 September 1982 Safety Evaluation Supporting Amend 63 to License DPR-13 Project stage: Approval ML13326A7051982-09-0808 September 1982 Notice of Issuance & Availability of Amend 63 to License DPR-13 Project stage: Other ML20067C4071982-11-24024 November 1982 Responds to Re Tech Specs for Snubber Surveillance.All Snubbers Defined in Ansi/Asme OM-4 Std Will Be Listed in Tech Spec Tables in Manner Similar to Current Table on Hydraulic Snubbers Project stage: Other ML20105B9341983-06-28028 June 1983 Requests Extension Until 830801 to Submit Revised Tech Specs for Snubbers,Due to Extensive Internal Review Project stage: Other ML20077G8181983-08-0101 August 1983 Extends Submittal Date for Proposed Tech Specs on Snubber Surveillance to 830901,to Allow for Resolution of Util Nuclear Review Board Comments Project stage: Other ML20077M1341983-09-0101 September 1983 Application for Amend to License NPF-3,revising Tech Specs 3.7.7 & Table 3.7-3 Re Snubber Surveillance to Include Mechanical Snubbers W/Schedules,Actions & Acceptance Criteria for Sample Testing.Safety Evaluation Encl Project stage: Request ML20077M1301983-09-0101 September 1983 Forwards Application for Amend to License NPF-3,revising Tech Specs 3.7.7 & Table 3.7-3 Re Snubber Surveillance to Include Mechanical Snubbers W/Schedules,Actions & Acceptance Criteria for Sample Testing.Class III Fee Encl Project stage: Request ML20077M1361983-09-0101 September 1983 Proposed Changes to Tech Specs 3.7.7 & Table 3.7-3 Re Snubber Surveillance to Include Mechanical Snubbers W/ Schedules,Actions & Acceptance Criteria for Sample Testing Project stage: Request ML20101T4441985-01-30030 January 1985 Proposed Tech Specs,Revising Hydraulic & Mechanical Snubber Surveillance Program,Including Changes to Visual & Functional Tests of safety-related Snubbers & Maint of Equipment & Surveillance Records Project stage: Other ML20101T4241985-01-30030 January 1985 Application for Amend to License NPF-3,revising Tech Specs 3.7.7,4.7.7 & 6.10.2.m Re Mechanical & Hydraulic Nuclear safety-related Snubbers Project stage: Request ML20137M8701986-01-22022 January 1986 Notifies That Application to Amend License NPF-3,authorizing post-transient Insp of Hydraulic & Mechanical Snubbers Will Be Submitted by 860228.Understanding That 850130 Application Will Be Approved by 860215 Confirmed Project stage: Request ML20140F9071986-03-26026 March 1986 Informs That Deletion of Footnote 6 & Addition of within Specified Range to Proposed Surveillance Requirements 4.7.7.2b & 4.7.7.2c.2,respectively,will Be Incorporated Into Apr 1986 Amend Application,Per NRC 860324 Request Project stage: Other ML20210S0511986-04-24024 April 1986 Amend 94 to License NPF-3,changing Tech Specs to Revise Testing Requirements for Hydraulic Snubbers & Add Requirements for Mechanical Snubber Operability & Testing Project stage: Other ML20210S0731986-04-24024 April 1986 Safety Evaluation Supporting Amend 94 to License NPF-3 Project stage: Approval ML20205H6191987-03-12012 March 1987 Discusses Application for Amend to License NPF-3,transmitted Under Separate Cover.Amend Revises Tech Spec 3/4.7.7 by Adding Surveillance Requirement 4.7.7.1e to Provide Insp of All safety-related Snubbers After Dynamic Event.Fee Paid Project stage: Request ML20214J1041987-03-12012 March 1987 Application for Amend to License NPF-3,revising Tech Spec 3/4.7.7, Snubbers Project stage: Request ML20214J1081987-03-12012 March 1987 Proposed Tech Spec 3/4.7.7,revising Requirements for Snubbers Project stage: Other ML20214J0981987-05-19019 May 1987 Forwards Previously Submitted Application for Amend to License NPF-3,involving Tech Spec 3/4.7.7, Snubbers, Per 870513 Request Project stage: Request 1983-08-01
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N TDLEDO
%mm EDISON JOE VVLDAMS. Jn Docket No. 50-346 sno m om - =
(419)249 2300 i'* *** "#3 License No. NPF-3 Serial No. 1263 March 26, 1986 Mr. John F. Stolz, Director PWR Project Directorate No. 6 Division of PWR Licensing B United States Nuclear Regulatory Commission Washington, D.C.
20555
Dear Mr. Stolz:
On January 30, 1985, Toledo Edison submitted an application (Serial No. 1113) for an amendment to Facility Operating License No. NPF-3, Appendix A, Technical Specifications, for the Davis-Besse Nuclear Power Station Unit No. 1.
This application requested that Technical Specific-ation 3/4.7.7, Hydraulic Snubbers, be revised to include hydraulic and mechanical snubbers, and delete the snubber listing of Table 3.7-3 pursuant to Generic Letter 84-13.
In its review of this application, the Nuclear Regulatory Commission (NRC) Staff requested that Toledo Edison add a surveillance requirement requiring the performance of a post-transient inspection of all hydraulic and mechanical snubbers attached to sections of systems that have experienced an unexpected, potentially damaging transient. On January 22, 1986 Toledo Edison committed in Serial No. 1239 to provide euch a proposed license amendment.
Per a telephone discussion on March 24, 1986 with Mr. A. W. DeAgazio, the NRC Staff has requested that Toledo Edison also commit to the following changes:
Delete Footnote No. 6 to proposed surveillance requirement 4.7.7.2b.
Add "within the specified range" to the end of proposed surveillance requirement 4.7.7.2c.2.
This letter confirms Toledo Edison's acceptance of the addition of these two changes. Toledo Edison will incorporate these two changes with the transient event inspection surveillance requirement in a proposed license amendment scheduled for submittal in April, 1986.
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\\D THE TOLEDO EDISON COVPANY FOISON PLAZA 300 MADISON AVENUE TOLEDO. OHIO 43652 8604010219 860326 PDR ADOCK 05000346 PDR p
3' Docket No. 50-346 License No. NPF-3 Serial No. 1263 March 26, 1986 Page 2 Toledo Edison believes this letter provides all the information identified by the NRC Staff as necessary to complete their review and issue the license amendment requested under Serial No. 1113. Accordingly, Toledo Edison requests that this acendment be issued by the NRC by April 14, 1986.
Very truly yours, htL Y "W
Qfh JW:DRW: den ec: DB-1 NRC Resident Inspector l