ML17201M228
| ML17201M228 | |
| Person / Time | |
|---|---|
| Site: | Dresden, Quad Cities, 05000000 |
| Issue date: | 11/10/1988 |
| From: | Ross T Office of Nuclear Reactor Regulation |
| To: | Bliss H COMMONWEALTH EDISON CO. |
| References | |
| IEB-88-004, IEB-88-4, NUDOCS 8811160575 | |
| Download: ML17201M228 (6) | |
Text
..
- UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D. C. 20555 November 10, 1988 Docket Nos.:
50-237, 249, 254, and 265 Mr. Henry E. Bliss Nuclear Licensing Manager Conunonwealth Edison Company Post Office Box 767 Chicago, Illinois 60690
Dear Mr. Bliss:
SUBJECT:
RESPONSE TO NRC BULLETIN 88-04 RE:
Dresden Nuclear Power Station, Units 2 and 3, Quad Cities Nuclear Power Station, Units 1 and 2 On May 5, 1988, the NRC staff issued NRC Bulletin 88-04, "Potential Safety-Related Pump Loss.
11 The bulletin requested the evaluation of all saftty-related pumps for; 1) pump-to-pump interaction durfng miniflow operation that could result in dead-headfng of one or more of the pumps, and 2) the adequacy of the minfmum flow bypass lfnes with respect to damage resulting from operation and testing in the minimum flow mode.
Bulletin 88-04 also requested that within 60 days of receipt of this bullet in, licensees are to pro_vide a written response that {a) sununarizes the problems and the systems affected, {b) identif1es the short-tenn and long-tenn modifications to plant operating procedures or hardware that have been or are being implemented to ensure safe plant operations, (c) identifies an appropriate schedule for long-tenn resolution of this and/or other significant problems that are identified as a result of this bulletin, and (d) establishes justification for continued operation particularly with regard to General Design Criterion 35 of Appendix A to Title 10 of the Code of Federal Regulations {10 CFR Part 50),
"Emergency Core Cooling" and 10 CFR 50.46, "Acceptance Criteria for Emergency Core Cooling Systems for Light Water Nuclear Power Reactors.
11 Furthermore,Bulletin 88-04 requested licensees to provide a written response describing the long-tenn actions taken within 30 days after completion of these actions.
By letter dated July 11, 1988, you responded to Bulletin 88-04. However, this response indicated that an addf tfonal 3 months would be necessary in order to adequately complete an *evaluation of NRC concern (2) identified above.
- And, althou9h your response did not provide the infonnation requested fn items (b) and (c) above, we do understand that these items can not be fully addressed
. *- until the evaluation of NRC concern (2) is completed. Consequently, within 90 days of receipt of this letter, we will expect to receive the rest of your 60 day response to Bulletin 88-04. This subsequent response should include the completed evaluation of NRC concern (2), and a schedule for items (b) and (c).
Also, within 30 days of completing all long-term modifications, you are still required to provide us with an appropriate description of those modifications.
cc: See next page
~ry~~~ject Manager Project Directorate III-2 Division of Reactor Projects - III, IV, V, and Special Projects
Mr. Henry E. Bliss Conmonwealth Edison Company cc:
Michael I. Miller. Esq.
Sidley and Austin One First National Plaza Chicago, Illinois 60603 Mr. J. Eenigenburg Plant SuperintE:ndent Dresden Nuclear Power Station Rural Route #1 Morris, Illinois 60450 U. s. Nuclear Regulatory Conmissf on Resident Inspectors Office Dresden Station Rural Route #1 Morris, Illinois 60450 Chainnan Board of Supervisors of Grundy County Grundy County Courthouse Morris, Illinois 60450
- Regional Administrator Nuclear Regulatory Conmission, Regfon III 799 Roosevelt Road, Bldg. #4 Glen Ellyn, Illinois 60137 Mr. Michael E. Parker, Chfef Division of Engfneerf ng Illfnofs Department of Nuclear Safety 1035 Outer Park Drfve. 5th Floor Sprfngffeld. Illfnofs 62704 Dresden Nuclear Power Station Untts 2 and 3
Mr. Henry E. Blfss Corrmonwealth Edf son Company cc:
Mr. Stephen E. Shelton Vf ce President Iowa-Illfnois Gas and Electric Company P. O. Box 4350 Davenport, Iowa 52808 Mfchael I. Miller, Esq.
Sidley and Austf n One Ffrst National Plaza Chicago, I111no1s 60603 Mr. Richard Bax*
Statton Manager Quad Cf ties Nuclear Power Statton 22710 206th Avenue North Cordova, Illfnof s 61242 Resident Inspector U. S. Nuclear Regulatory ColTITlf ssf on 22712 206th Avenue North Cordova, Illinois 61242.
Chaf nnan Rock Island County Board of Supervf sors 1504 3rd Avenue Rock Island County Office Bldg.
Rock Island, Ill1no1s 61201 Mr. Michael E. Parker, Chief D1v1s1on of Engfneertng I111nots Department of Nuclear Safety 1035 Outer Park Drfve, Sprtngffeld, Il11no1s 62704 Regtonal Admfnfstrator, Region III U. s. Nuclear Regulatory Conmf ss1on 799 Roosevelt Road, Bldg. #4 Glen Ellyn, I111no1s 60137 Quad Cf tfes Nuclear Power Statton Un1ts 1 and 2
Nqyember 10, 1988 until the evaluation of NRC concern (2) is completed. Consequently, within 90 days of receipt of this letter, we will expect to receive the rest of your 60 day response to Bulletin 88-04.
T.his subsequent response should include the completed evaluation of NRC concern (2), and a schedule for items (b) and (c).
Also, within 30 days of completing all long-tenn modifications, you are still
.required to provide us with an appropriate descrlptfol oshor modifications.
cc: See next page DISTRIBUTION*
mocke:L tUe1 Thierry Ross, Project Manager Project Directorate III-2 Division of Reactor Projects - III, IV, V, and Special Projects NRC &'Local PDRs
.*,,*PDIII-2 r/f GHolahan
.. -f:1Virgil io*
- Lluther TRoss OGC EJordan BGrimes _
ACRS (10)
PDIII-2 Plant file-
- TRoss:dmj 11/08/88 PDII I-2: PM
- BS1egel 11/08/88 POI II-2: !)\\_,
Lluther~
11/ 10 /88.
f,r. h PD I I I-2: Pd'~/!
DMuller 11/ /0 /88
. 'i. the evaluation of NRC concern (2) is completed. Consequent y, within ninety days of receipt of this letter, we w.ill expect to receive he rest of your 60 day response to Bulletin 88-04. This subsequent resp se should include the completed evaluation of NRC concern (2), and a schedule for items.(b) and (c). Also, within 30 days of completing all long-te modifications, you are still required to provide us with an appropriate des iption of those modifications.
cc: See next page
- .DISTRIBUTION
. GHolahan MVirgil 1o LLuther TRoss OGC EJordan BG rimes ACRS {lo)**
- PDIII-2 Plant fil PDIII-2:PM PDIII-2:P~
TRoss:dj ~
- BS1e_gel,VJ*
11/ f /88 11/'l /88 POI II-2: LA LLuther 11/
/88 Thiery Ross, Project Manager Proj ct Directorate II1-2 Di sion of Reactor Projects - III, V, V, and Special Projects PDIII-2:PD DMuller 11/
/88
',_/).