ML20207B534: Difference between revisions

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#REDIRECT [[U-600633, Discusses Commitment to Perform CRD Sys Vessel Inventory Makeup Rate Test,Per NUREG-0619, BWR Feedwater Nozzle & CRD Return Line Nozzle Cracking & IE Open Item 85-15-01.FSAR Will Be Amended,Since Test No Longer Required]]
| number = ML20207B534
| issue date = 07/16/1986
| title = Discusses Commitment to Perform CRD Sys Vessel Inventory Makeup Rate Test,Per NUREG-0619, BWR Feedwater Nozzle & CRD Return Line Nozzle Cracking & IE Open Item 85-15-01.FSAR Will Be Amended,Since Test No Longer Required
| author name = Spangenberg F
| author affiliation = ILLINOIS POWER CO.
| addressee name = Butler W
| addressee affiliation = NRC OFFICE OF NUCLEAR REACTOR REGULATION (NRR)
| docket = 05000461
| license number =
| contact person =
| case reference number = RTR-NUREG-0619, RTR-NUREG-0776, RTR-NUREG-0887, RTR-NUREG-619, RTR-NUREG-776, RTR-NUREG-887
| document report number = U-600633, NUDOCS 8607180099
| document type = CORRESPONDENCE-LETTERS, INCOMING CORRESPONDENCE, UTILITY TO NRC
| page count = 2
}}
 
=Text=
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s a                                                          U- 600633 L30-86 ( 07- 1G-L 1A.120 ILLINOIS POWER COMPANY CLINTON POWER STATION P.o. BOX 678, CLINTON, ILLINOIS 61727 July 16, 1986 Docket No. 50-461 Director of Nuclear Reactor Regulation Attention: Dr. W. R. Butler, Director BWR Project Directorate No. 4 Division of BWR Licensing U. S. Nuclear Regulatory Commission Washington, DC 20555
 
==Subject:==
Clinton Power Station (CPS)
CRD System Vessel Inventory Makeup Rate Test
 
==Dear Dr. Butler:==
 
The response to CPS Final Safety Analysis Report (FSAR) Question 410.5 (Amendment 7, September 1981) contains a commitment to perform a makeup rate test of the Control Rod Drive (CRD) system in order to demonstrate compliance with Recommendation 6 in Section 8.1 of
            'NUREG-0619, "BWR Feedwater Nozzle and Control Rod Drive Return Line Nozzle Cracking." The satisfactory completion of this test has been identified by Region III as Inspection and Enforcement Open Item 85-15-01.
The NRC Staff has more recently accepted the position that the makeup rate test is not necessary. The basis for the current position is presented in the Licensing Review Group (LRG)-II Position Paper for issue 5-ASB, " Control Rod Drive System Vessel Inventory Make-up Rate Test." The LRG-I position, which was accepted in the Susquehanna Safety Evaluation Report (NUREG-0776, Supplement 3, Section 4.6.2), concludes that the make-up flow test is unnecessary due to implementation of plant fire prevention / protection and separation enhancements, symptom-oriented emergency procedure guidelines, and post-TMI emergency core cooling
,            system modifications. This position was adopted for LRG-II projects, including CPS, and received NRC acceptance in the Perry Safety Evaluation Report (NUREG-0887, Supplement 3, Section 4.6).
During discussions with Mr. B. L. Siegel of your staff, it was recommended that the CPS FSAR be amended to reflect the accepted position that CRD make-up flow rate testing per NUREG-0619 is no longer required. Accordingly, Illinois Power will revise its response to Question 410.5 of the CPS FSAR to indicate that the CRD system make-up flow test is not required. This revision will be included in Amendment
              #39, which will be issued after Fuel Load.
8607180099 860716 PDR    ADOCK 00000461 PDR y}1 G
                                                                                                                  -l %
 
                        ',                                                                                              U- 600633 L30-86 ( 07- 16)-L 1A.120 If I can be of further assistance to you-regarding this subject, please notify me.
r                                                                                                          Sincerely yours, f&                                                                      I
+
l                                                                                                          F. A. Spangenberg                                                              -.
!                                                                                                          Manager - Licensing and Safety i                            TLR/kaf                                                                                                                                                        ,
i                                                                                                                                                                                          N l                            cc:        Mr. B. L. Siegel, NRC Clinton Licensing Project Manager i                                      NRC Resident Office l                                      Region Administrator, Region III, USNRC Illinois Department of Nuclear Safety 1
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