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MONTHYEARML20138B8981985-03-31031 March 1985
Probability of Disk Cracking Due to Stress Corrosion: Grand Gulf Unit 1
Project stage: Other
ML20138B8731985-09-11011 September 1985
Rev 1 to Engineering Evaluation & Analysis of IGSCC in Low Pressure Discs at Grand Gulf Nuclear Station Unit 1
Project stage: Other
ML20138B8701985-11-0101 November 1985
Proposed Tech Spec Allowing Insp of Low Pressure Turbine Discs at Insp Interval Not to Exceed 50,000 H of Operation
Project stage: Other
ML20138B8631985-11-0101 November 1985
Application for Amend to License NPF-29,revising Tech Specs to Allow Insp of Low Pressure Turbine Discs at Insp of Low Pressure Turbine Discs at Insp Interval Not to Exceed 50,000 H of Operation
Project stage: Request
AECM-85-0333, Forwards Application for Amend to License NPF-29 Revising Tech Specs to Allow Insp of Low Pressure Turbine Discs at Insp Interval Not to Exceed 50,000 H of Operation1985-11-0101 November 1985
Forwards Application for Amend to License NPF-29 Revising Tech Specs to Allow Insp of Low Pressure Turbine Discs at Insp Interval Not to Exceed 50,000 H of Operation
Project stage: Request
ML20137Q4861985-11-22022 November 1985
Requests Analysis to Support Finding of NSHC in 851101 Application for Amend to License Condition 2.C.(26).Request for Addl Info Re Turbine Disk Insp at Facility Encl
Project stage: RAI
ML20138B8311985-12-10010 December 1985
Confirms Permission to Release Proprietary Repts ER-8503 & ER-8105 Encl/W 851101 Application for Amend to License NPF-29,altering Insp Interval for Low Pressure Turbines.Fee Paid
Project stage: Request
AECM-85-0413, Forwards Addl Info Re Proposed 851101 Amend to License Condition 2.C(26) to Defer Turbine Disc Insp in Response to NRC 851122 Request.Expeditious Decision Requested.Insp of Turbines Requires Development of Insp Procedures1985-12-27027 December 1985
Forwards Addl Info Re Proposed 851101 Amend to License Condition 2.C(26) to Defer Turbine Disc Insp in Response to NRC 851122 Request.Expeditious Decision Requested.Insp of Turbines Requires Development of Insp Procedures
Project stage: Other
AECM-86-0027, Forwards Util Power Corp Proprietary & Nonproprietary Viewgraphs from Util 860109 Meeting W/Nrc Re Turbine Discs, Per Request1986-01-24024 January 1986
Forwards Util Power Corp Proprietary & Nonproprietary Viewgraphs from Util 860109 Meeting W/Nrc Re Turbine Discs, Per Request
Project stage: Meeting
AECM-86-0055, Forwards Example Calculation Illustrating Each Step of Calculations Performed on Turbine Disc in Engineering Rept ER-8503,in Response to 860109 Request1986-02-26026 February 1986
Forwards Example Calculation Illustrating Each Step of Calculations Performed on Turbine Disc in Engineering Rept ER-8503,in Response to 860109 Request
Project stage: Other
ML20210R4871986-04-29029 April 1986
Safety Evaluation Supporting Amend 12 to License NPF-29
Project stage: Approval
ML20210R4821986-04-29029 April 1986
Amend 12 to License NPF-29,changing License Condition 2.C by Increasing Interval for Insp of Low Pressure Turbine Discs
Project stage: Other
1985-03-31
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Text
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y 9-Final evaluations and reconnendations from the TDI Owners T-(b)
Group Program applicable to GGNS Unit 1, and MP&L's actions in response to this program for the standby diesel gener-ators shall be submitted for NRC review and approval prior to startup following the first refueling outage.
(26) Turbine Disc Integrity (Section 10.2.1, SER, SSER #1)
- fgioR to usu.l.h 54,000 houts Caring :::h refueling cet:;: MP&L shall ultrasonically inspect the bores and keyways of the low pressure turbine discs for indications of crackin g All unacceptable indications and their dispositions shall be reported prior to startup for the These inspections shall continue oa a secoo next cycle of operation.
until the potential for turbine disc cracking has been assessed Ao.4 cou4,,i and an acceptable alternate inspection schedule has been established.
(27) Circulatine Water System (Section 10.4.5, SER)
MP&L shals not fill the Unit 2 circulating water system (includ-ing the aatural draft cooling tower basin) until Unit I flooding concerns related to this system are resolved to the satisfaction of the NRC staff.
Advisor to Vice President (Section 13.1.1, SER, SSER #2, SSER #4, (28)
SSER f5)
MP&L shall provide one or more additional staff members, reporting directly to a Vice President principally in charge of nuclear operations, who have substantial cmmnercial nuclear power plant operating nanagement experience and who will act as advisors to the vice president on all decisions affecting safe operation of The additional staff members may be permanent the plant.
employees or contracted consultants, but they shall be retained in this advisory position until the plant has operated for at least 6 months at power levels above 90% of full power.
(29) Operating Shift Advisor '(Section 13.1.2 SER)
At least one individual on each operating shift shall have sub-stantive previous BWR operating experience, including startup and shutdown of a BWR and under conditions that one might expect to encounter during the initial startup and power escalation at the Grand Gulf plant. This individual is not required to be licensea on Grand Gulf Unit I and need not be an MP&L employee, but as a minimum shall be retained on a contract basis to act as a consultant or advisor to the GGNS Such an experienced person shall be assigned to shift crew.
each operating shift until the plant achieves and demonstrates full power operation.
051212o400 851210 PDR ADOCK 05000416 P
PDR
