ML18114A181: Difference between revisions

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{{Adams
#REDIRECT [[L-78-180, Response to Nrc'S 5/17/1978 Letter, Fp&L'S Commitment to Complete Testing Concerning Resistance Temperature Detector Response Times by 12/1/1978]]
| number = ML18114A181
| issue date = 05/19/1978
| title = St. Lucie, Unit 1 - Response to Nrc'S 5/17/1978 Letter, Fp&L'S Commitment to Complete Testing Concerning Resistance Temperature Detector Response Times by 12/1/1978
| author name = Uhrig R E
| author affiliation = Florida Power & Light Co
| addressee name = Reid R W
| addressee affiliation = NRC/NRR
| docket = 05000335
| license number = DPR-067
| contact person =
| case reference number = L-78-180
| document type = Letter, Response to Request for Additional Information (RAI)
| page count = 5
}}
 
=Text=
{{#Wiki_filter:REGULATORY INFORMATION DISTRIBUTION SYSTFM<RIDS)DISTRIBUTION FOR INCOMING MATERIAL 50-335 REC: REID R W NRC ORG: UHRIG R E FL PWR b LIGHT DOCD ATE: 05/19/78 DATE RCVD: 05/24/78 DOCTYPE: LETTER NOTARIZED:
NQ COPIES RECEIVED
 
==SUBJECT:==
LTR 3 ENCL 0 i RESPONSE TO NRC LTR DTD 05/17/78...
FURNISHING INFO CONCERNING RESISTANCE TEMPERATURE DETECTOR RESPONSE TIMES OF SUBJECT FACILITY AND ADVISING STATUS REPT ALONG WITH THE FIRST SURVEILLANCE TEST RESULTS RE SUBJECT>WILL BE SUBMITTED BY 12/01/78.PLANT NAME: ST LUCIE ei REVI El JER INITIAL: X Jg.DISTRIBUTOR INITIAL: PJQ>>>>>>>>>>>>>>>>>DISTRIBUTION OF THIS MATERIAL IS AS FOLLOWS GENERAL DISTRIBUTION FOR AFTER ISSUANCE OF OPERATING LICENSE.<DISTRIBUTION CODE A001)FOR ACTION: INTERNAL: EXTERNAL: BR CHIEF REID<s~LTR ONLY<7)T QNLY<1)I 8.E>>LTR ONLY(2>HANAUER4~~I TR ONLY<1)EISENHUT>>LTR ONLY (1>BAER+~~LTR ONLY<1)EEB>>LTR ONLY(1>J.MCGQUGH>>LTR ONLY<1)LPDR S FT PIERCEI FL>>LTR ONLY(1)TIC>>LTR ONLY(1)NSIC>>LTR ONLY(i>ACRS CAT B>>LTR ONLY(16)NRC PDR>>LTR'ONLY<i)
OELD+4lLTR ONLY(i>CHECK>>LTR ONLY<i)SHAQ>>LTR ONLY(i>BUTLER>>LTR ONLY<i)J COLLINS>>LTR ONLY(i)DISTRIBUTION:
LTR 40 ENCL 0 SIZE: 2P>>>>>>>>>>>>>>>>>>0$
>>08%%%%%>>%SHE>>%
THE END CONTROL NBR: 78145000 e
FLORIDA POWER 8c LIGHT COMPANY May 19, 1978 L-78-180 Office of Nuclear Reactor Regulation Attention:
Mr.R.W.Reid, Chief Operating Reactors Branch 54 Division of Operating Reactors U.S.Nuclear Regulatory Commission Washington, D.C.20555 fi 1 It
 
==Dear Mr.Reid:==
Re: St.Lucie Unit No.1 Docket No.50-335 Resistance Temperature Detector (RTD)Res onse Times Xour letter of May 17, 1978, requested that FPL provide information to show that the RTD time constant will not exceed 8 seconds during the test interval of 18 months and to demonstrate the validity of the Loop Current Step Response testing methodology.
As suggested in your letter, and based upon the discussion held with your staff on May l9, 1978, in which certain testing require-ments were specified, we understand that the following combination of RTD replacement, increased testing frequency for all RTD's, and comparative methodological testing is acceptable:
l.Replacement of the 4 RTD's which were LCSR-tested in January 1978 with available spares.2.Comparative testing of the 4 replaced RTD's, along with 4 new ones to be procured during Cycle 2, using both the previously accepted plunge test method and the LCSR method at both cold (170'F)conditions and, to the extent practicable, hot (540'F)conditions.
7e145Oooa PEOPLE.~.SERVING PEOPLE 0 e flL II-I I./<l, 1I Mf.M.W.Reid Page Two 0 May 19, 1978 L-78-180 3.Surveillance testing of all 16 safety-related RTD's using the LCSR method within 6 months and 12 months after Cycle 2 startup.Xt is our commitment to complete the actions described above during Cycle 2.We expect to have some results from the comparative test program in approximately 6 months and will submit a status report, along with the first surveillance test results, by December 1, 1978.Very truly yours, Robert E.Uhrig Vice President REU:MAS:sl cc: Mr.Peter B.Erickson Mr.James P.O'Reilly, Region II Harold F.Reis, Esquire}}

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