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MONTHYEARML18054A6961989-04-17017 April 1989
Informs of Plan to Install PORV Variable Setpoint Control, New PORVs & Block Valves During 1990 Refueling Outage
Project stage: Other
ML18054A9741989-09-12012 September 1989
Application for Amend to License DPR-20,revising Tech Specs to Permit Use of Variable PORV Setpoint for Low Temp Overpressure Protection to Increase Operating Margin During Plant Heatup & Cooldown
Project stage: Request
ML18054B0061989-09-22022 September 1989
Rev 1 to Application for Amend to License DPR-20,permitting Use of Variable PORV Setpoint for Low Temp Overpressure Protection & Increase Operating Margin During Plant Heatup & Cooldown
Project stage: Request
ML18054B0131989-09-25025 September 1989
Forwards Proposed Tech Spec Pages 3-9,3-10 & 3-11 Inadvertently Omitted from 890922 Submittal
Project stage: Other
ML18054B0411989-10-13013 October 1989
Advises That Util 890912 Low Temp Overpressure Protection Tech Spec Change Request Could Be Issued by mid-Jan 1990, Since Util Indicated That Mods Could Proceed W/O Amend & Plant Could Be Operated Using Existing Tech Specs
Project stage: Other
ML18054B1021989-11-14014 November 1989
Provides Interpretation of Setpoints Specified in Tech Spec 3.1.8 to Allow +22 Psia for Pressure Instrument Inaccuracy & +/- 4.5 F for Temp Instrument Inaccuracy.Nrc Approval of 890922 Change to Tech Spec Will Obviate Interpretation
Project stage: Other
ML18054B3771990-01-0404 January 1990
Forwards Discussion of NRC Concerns Re Block Valves,Porvs & Operating Procedures,Per 891218 Telcon.Meeting Suggested for Jan 1990 at Which Util Requested to Address NRC Concerns to Resolve Issues
Project stage: Meeting
IR 05000255/19890241990-01-0404 January 1990
Insp Rept 50-255/89-24 on 890814-1207.Violations Noted. Listed Weaknesses Also Identified.Major Areas Inspected: Actions Associated W/Snubber Reduction Program
Project stage: Request
ML18054B4651990-02-23023 February 1990
Forwards Preliminary Response to NRC 900104 Concerns Re Porv/Block Valve Mod,Per 900223 Request
Project stage: Other
ML18057A2511990-05-30030 May 1990
Forwards Final Response to Concerns Re Porv/Block Valve Mod, Per 900308 Meeting.Bechtel Technical Rept Withheld
Project stage: Meeting
1989-09-22
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consumers Power POWERINli MICHlliAN'S PROliRESS General Offices: 1945 West Parnall Road, Jackson,* Ml 49201 * (517) 788-0550 April 17, 1989 Nuclear Regulatory Commission Document Control Desk Washington, DC 20555 DOCKET 50-255 - LICENSE DPR PALISADES PLANT -
LOW TEMPERATURE OVERPRESSURE PROTECTION (LTOP) -
INSTALLATION OF VARIABLE SETPOINT (TAC NO. 72889)
Consumers Power Company letter dated November 10, 1988, informed the Staff that we planned to install the PORV variable setpoint control during the first outage of sufficient length after April 1, 1989.
This letter is to inform the Staff that we now plan to install the PORV variable setpoint control concurrent with the installation of new PORVs and block valves.
Concurrent installation of the variable setpoint and the new PORVs will facilitate operator training.
Although, as stated in our November 17, 1987 letter, we planned to install the new PORVs and block valves in the first planned outage of 45 days or more after September 1, 1989, no outages are planned after September 1, 1989 until the 1990 refueling outage.
Therefore, the installation of the new PORVs and block valves and the installation of the PORV variable setpoint control are now scheduled for the 1990 refueling outage.
Richard W Smedley Staff Licensing Engineer CC Administrator, Region III, NRC NRC Resident Inspector - Palisades
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