ML17222A680
| ML17222A680 | |
| Person / Time | |
|---|---|
| Site: | Saint Lucie  |
| Issue date: | 02/08/1989 |
| From: | Norris J Office of Nuclear Reactor Regulation |
| To: | Conway W FLORIDA POWER & LIGHT CO. |
| References | |
| TAC-69863, NUDOCS 8902100190 | |
| Download: ML17222A680 (5) | |
Text
t Docket Hos.
50-389 Mr. Ll. F.
Conway Senior Yice President-Nuclear Nuclear Energy Department Florida Power and Light Company Post Office Box 14000 Juno Beach, Florida 33408-0420
Dear Mr. Conway:
ACRS(10)
February 8, l989 DISTRIBUTION NRC 5 Local PDRs PDII-2 Rdg File G. Lainas, 14/E/4 E. Adensam, 14/H/3 D. Miller J. Norris OGC E. Jordan, MNBB 3302 B. Grimes, 9/A/2
SUBJECT:
ST.
LUCIE UNIT 2 - REQUEST FOR ADDITIONAL INFORMATION -
PROPOSED LICENSE AMENDMENT TO INCREASE t'tAXIMUM ALLOMABLE RTD RESPONSE TIME (TAC NO. 69863)
In conducting our review of your October 25, 1988 submittal relating to the above subject at the St. Lucie Unit 2, we have determined. that we will need additional information identified in the enclosure to continue our review.
In order for us to maintain our review schedule, your response is requested within 45 days of the date of this letter.
If you cannot provide a full response within the r'equested time, please provide your full response schedule within 30 days of the date 'of this letter.
1i The reporting and/or recordkeeping requirements contained in this letter affect fewer than 10 respondents; therefore, OMB clearance is not required under P.L.96-511.
Please contact me at (301) 492-1483 if you have any questions concerning this letter.
Sincerely, Original signed by
Enclosures:
As stated 7
cc w/enclosure:
See next page fTAC NO. 69863]
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/89 Jan A. Norris, Senior Project Manager Project Directorate II-2 Division of Reactor Projects-I/II Office of Nuclear Reactor Regulation A /1 /89 8902i00i90 890208 PDR ADOCK 05000389 P
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Conway Florida Power 5 Light Company St. Lucie Plant CC:
Nr. Jack Shreve Office of the Public Counsel Room 4, Holland Building Tallahassee, Florida 32304 Resident Inspector c/o U.S.
NRC 7585 S.
Hwy A1A Jensen Beach, Florida 34957 State Planning 5 Development Clearinghouse Office of Planning E Budget Executive Office of the Governor The Capitol Building Tallahassee, Florida 32301 Harold F.
Rei s, Esq.
Newman 5 Holtzinger 1615 L Street, N.W.
Washington, DC 20036 John T. Butler, Esq.
- Steel, Hector and Davi s 4000 Southeast Fin'ancial Center Miami, Florida 33131-2398 Administrator Department of Environmental Regulation Power Plant Siting Section State of Florida 2600 Blair Stone Road Tallahassee, Flor ida 32301 Nr. Weldon B. Lewis, County Administrator St. Lucie County 2300 Virginia Avenue, Room 104 Fort Pierce, Florida 33450 Hr. Charles B. Brinkman, Manager Washington Nuclear Operations Combustion Engineering, Inc.
12300 Twinbrook Parkway, Suite 3300 Roc kvi lie, Yiaryland 20852 Jacob Daniel Nash Office of Radiation Control Department of Health and Rehabi litative Serv ices 1317 Winewood Blvd.
Tallahassee, Florida 32399-0700 Regional Administrator, Region II U.S. Nuclear Regulatory Commission 101 Marietta Street N.W., Suite 2900 Atlanta, Georgia 30323 Campbell Rich 4626 S.E. Pilot Avenue Stuart, Florida 34997
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ENCLOSURE REQUEST FOR ADDITIONAL INFORMATION RELATED TO PROPOSED AMENDMENT FOR INCREASED MAXIMUMALLOWABLE RTD RESPONSE TINE - ST.
LUCIE UNIT 2 (TAC 69863)
Please provide complete. responses to the following requests:
l.
Discuss the reasons for the request, specifically, problems encountered, benefits to be incurred, etc.
2.
What is the value for RTD response time assumed in the original accident analysisf What is it nowt Please provide reasons for any difference.
3.
Discuss the reasons why the 8 second RTD delay time was chosen in the first place.
Provide a breakdown for the assigned values for the RTD
- sensor, the electronic delay and the lag time.
What are these based on?
4.
How much change in the overall response time do you expect per year after initial installation of the RTDs?
What is this based one 5.
Discuss the reasons why doubling of the 8 second RTD response time is necessary, as opposed to some shorter time.
6.
What is the average occupational dose delivered during RTD replacement2 7.
Your submittal states that previous surveillances of the RTD response times were '-'close" to the 8.0 second maximum allowable value.
Provide specific numbers as well as trending of the response times.
The specific numbers should include a breakdown for RTD sensor, electronic delay and lag.
8.
How often have St. Lucie RTDs been tested'?
How often have they been replaced'