Letter Sequence Other |
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Results
Other: ML17299B322, ML17299B324, ML20137X779, ML20141C714, ML20155J950, ML20195F006, ML20198A135, ML20198A160, ML20205T630, ML20207C679, ML20215C215
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MONTHYEARML17299B3221985-11-0606 November 1985
Forwards Preliminary Case Study Rept, Effects of Ambient Temp on Electronic Equipment in Safety-Related.... Rept Initiated by 840604 Event Re Total Loss of Control Area Ventilation Sys at Plant.Comments Requested within 30 Days
Project stage: Other
ML17299B3241985-11-30030 November 1985
Preliminary Case Study Rept, Effects of Ambient Temp on Electronic Equipment in Safety-Related Instrumentation & Control Sys
Project stage: Other
ML20137X7791986-02-28028 February 1986
Confirmatory Action Ltr Re 860228 Telcon W/Jw Lynch Outlining Listed Actions to Be Taken to Assure Operability of Reactor Control Room Emergency Ventilation Sys,Per Tech Specs & GDC 19
Project stage: Other
ML20141C7141986-03-21021 March 1986
Notice of Deviation from Insp on 860128-30 & 0224-28
Project stage: Other
ML20197F2511986-05-0707 May 1986
Forwards Request for Addl Info Re Control Room Habitability. Control Room Ventilation Sys Functioning Inconsistent W/Tmi Action Plan Item III.D.3.4 or Updated FSAR
Project stage: RAI
ML20198A1601986-05-14014 May 1986
Notice of Violation & Proposed Imposition of Civil Penalty in Amount of $80,000.Violation Noted:Control Room Emergency Ventilation Sys Inoperable & Not Independent Due to Excessive Makeup Flow Rate in Train CB-1B
Project stage: Other
ML20198A1351986-05-14014 May 1986
Discusses Insp on 860128-30 & 0224-28 & Forwards Notice of Violation & Proposed Imposition of Civil Penalty.Violation Involves Licensee Failure to Maintain Control Room Emergency Ventilation Sys in Operable Status
Project stage: Other
ML20155J9501986-05-19019 May 1986
Forwards Addl Info Re Adequacy of Control Room Emergency Ventilation Sys & Control Room Habitability,Per Tl Chan 860507 Concerns.Complete Reanalysis of NUREG-0737,III.D.3.4 Requirements Will Be Completed Prior to Startup
Project stage: Other
ML20195F0061986-06-0404 June 1986
Forwards Revised Dose Calculation Analysis & Schedule for Completion of Control Room Emergency Ventilation Sys & Revised CB-1 Action Plan,Per 860528 Request
Project stage: Other
IR 05000344/19860211986-06-13013 June 1986
Insp Rept 50-344/86-21 on 860522-0606.No Violations or Deviations Noted.Major Areas Inspected:Activities Re Periodic Containment Integrated Leak Rate Test,Including Review of Procedures & Personnel Interviews
Project stage: Request
ML20205T6301986-06-13013 June 1986
Forwards Revised CB-1 Action Plan,Control Room Pressurization Test Results & Summary of Control Bldg HVAC Operation,Per 860609 Telcon Re Control Room Emergency Ventilation
Project stage: Other
IR 05000344/19860271986-07-14014 July 1986
Enforcement Conference Rept 50-344/86-27 on 860709.Major Areas Discussed:Apparent Violation Noted During Special Insp of QC Activities (Insp Rept 50-344/86-24)
Project stage: Request
ML20212K5051986-08-14014 August 1986
Forwards Notice of Withdrawal of Portions of 850419 Application for Amend to License NPF-1,per Util 860714 Request
Project stage: Withdrawal
ML20212K5131986-08-14014 August 1986
Notice of Withdrawal of Portions of 850419 Application for Amend to License NPF-1,revising Tech Specs to Permit Performance of Surveillance Testing of Control Room Emergency Ventilation Sys
Project stage: Withdrawal
ML20214Q8211986-09-19019 September 1986
Summary of 860528 Meeting W/Util & Bechtel in Bethesda,Md Re Control Room Emergency Ventilation Sys,Per TMI Action Item III.D.3.4 on Control Room Habitability.List of Attendees Encl
Project stage: Meeting
ML20215C2151986-09-30030 September 1986
Forwards Revised Toxic Gas Analysis Re NUREG-0737,III.D.3.4, Control Room Habitability, Justifying Deletion of Ammonia & Sulfur Dioxide Detectors.Implementation Plan for Design Changes & Related Info Encl
Project stage: Other
ML20207C6791986-12-24024 December 1986
Requests Expedited Review & Approval of Control Room Emergency Ventilation Sys (CB-1) Testing Changes Requested in Re TMI Action Item III.D.3.4, Control Room Habitability. Control Room Cooling Design Change Described
Project stage: Other
1986-05-19
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Text
p Etog os UNITED STATES 3
. NUCLEAR REGULATORY COMMISSION
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.,o'g 1450 MARI A LANE, SUITE 210 WALNUT CREEK, CALIFoRNI A 94596 FEB 2 8 as Docket No. 50-344 Portland General Electric Company CONFIRMATORY ACTION LETTER 121 S.'W. Salmon Street Portland, Oregon 97204 Attention:
Mr. Bart D. Withers Vice President Nuclear
Subject:
Operability of Reactor Control Room Emergency Ventilatior System Gentlemen:
It is my ' understanding, as a result of our conversation with Mr. J. W. Lynch, of your staff on February 28, 1986, that you intend to take the following action to confirm and/or assure that the control room emergency ventilation system will operate and is being tested for operability in accordance with the technical specifications and General Design Criteria 19 of Appendix A to 10CFR50 (GCD-19).
- 1. Determine the basis for the 110*F control room temperature limit and potential effect on control room equipment.
(Long Term)
- 2. The loose /open aluminum / sheet metal fomed cover has been replaced and appropriately secured. Determine the affect this opening had on the operability of the system.
(Long Term)
- 3. Determine the effect the drain line cross connection had on system performance prior to its being modified on February 27-28, 1986.
(Long Term)
- 4. Jetermine the effect that the manual position of the control switch for the dampness had on automatic operation of the system, given the lack of specific procedures.
(Long Term). Administrative control now requires this switch (s) to be in " automatic".
- 5. You believe that the system as now configured and being operated conforms to the technical specifications and complies with CDC-19.
The potential for inadvertent makeup air to the control room during emergency ventilation system operation will be evaluated.
(Short Term)
- 6. The operating configuration of CB-3 and CB-4 will be justified.
Administrative procedures will be implemented to verify shutdown following. control room isolation.
(Short Term)
- 7. The operability of the system for toxic gas, including procedural requirements will be verified.
(Long Term. Short Term, if possible)
I 31200 f5000344 hf P
a It is our understanding that the short term items should be dispositioned by Tuesday, March 4, 1986, and that you will provide us a schedule for completion of the long term items.
If my understanding concerning your proposed actions, as summarized above, is not correct, you should promptly notify this office in writing.
Sincerely, J. B. Martin Regional Administrator cc:
J. W. Lentsch W. S. Orser-State of OR PC S' DA re
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