ML072750506
| ML072750506 | |
| Person / Time | |
|---|---|
| Site: | Duane Arnold  |
| Issue date: | 10/15/2007 |
| From: | Feintuch K NRC/NRR/ADRO/DORL/LPLIII-1 |
| To: | Vanmiddlesworth G Nuclear Management Co |
| Feintuch K, NRR/DORL/LPL3-1, 415-3079 | |
| References | |
| TAC MD5670 | |
| Download: ML072750506 (4) | |
Text
October 15, 2007 Mr. Gary Van Middlesworth Site Vice President Duane Arnold Energy Center 3277 DAEC Road Palo, Iowa 52324-9785
SUBJECT:
DUANE ARNOLD ENERGY CENTER - REQUEST FOR ADDITIONAL INFORMATION RE: RELIEF REQUEST FROM IWE-2500 REQUIREMENT FOR DRYWELL STABILIZER EXAMINATIONS (TAC NO. MD5670)
Dear Mr. Van Middlesworth:
In a letter to the Nuclear Regulatory Commission (NRC) dated May 15, 2007, you requested relief from the American Society of Mechanical Engineers Code,Section XI, Subarticle IWE-2500 requirement to perform the VT-3 visual examinations for the reinforcing structure and integral attachment of Drywell Stabilizers X-58C and X-58G for the first 10-Year interval of the Containment Inspection Program for the Duane Arnold Energy Center (DAEC).
The NRC staff is reviewing the information associated with the relief request and finds that additional information is needed, as shown in the enclosed request for additional information (RAI).
A telephone call between the NRC and members of your staff was held on September 25, 2007, to discuss this RAI. On September 28, 2007, I spoke with Tony Browning of your organization, and he agreed to respond to this RAI by October 31, 2007.
Please contact me at (301) 415-3079 if you have questions.
Sincerely,
/RA/
Karl D. Feintuch, Project Manager Plant Licensing Branch III-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-331
Enclosure:
RAI cc w/encl: See next page
Mr. Gary Van Middlesworth Site Vice President Duane Arnold Energy Center 3277 DAEC Road Palo, Iowa 52324-9785
SUBJECT:
DUANE ARNOLD ENERGY CENTER - REQUEST FOR ADDITIONAL INFORMATION RE: RELIEF REQUEST FROM IWE-2500 REQUIREMENT FOR DRYWELL STABILIZER EXAMINATIONS (TAC NO. MD5670)
Dear Mr. Van Middlesworth:
In a letter to the Nuclear Regulatory Commission (NRC) dated May 15, 2007, you requested relief from the American Society of Mechanical Engineers Code,Section XI, Subarticle IWE-2500 requirement to perform the VT-3 visual examinations for the reinforcing structure and integral attachment of Drywell Stabilizers X-58C and X-58G for the first 10-Year interval of the Containment Inspection Program for the Duane Arnold Energy Center (DAEC).
The NRC staff is reviewing the information associated with the relief request and finds that additional information is needed, as shown in the enclosed request for additional information (RAI).
A telephone call between the NRC and members of your staff was held on September 25, 2007, to discuss this RAI. On September 28, 2007, I spoke with Tony Browning of your organization, and he agreed to respond to this RAI by October 31, 2007.
Please contact me at (301) 415-3079 if you have questions.
Sincerely,
/RA/
Karl D. Feintuch, Project Manager Plant Licensing Branch III-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-331
Enclosure:
RAI cc w/encl: See next page DISTRIBUTION:
PUBLIC LPL3-1 R/F RidsNrrPMKFeintuch RidsNrrLATHarris RidsNrrDorlLpl3-1 RidsOgcRp RidsAcrsAcnwMailCenter RidsRgn3MailCenter RidsNrrDss RidsNrrDe RidsNrrDorlDpr GThomas HAshar KManoly ADAMS Accession Number: ML072750506 OFFICE NRR/LPL3-1/PM NRR/LPL3-1/LA NRR/LPL3-1/(A)BC NAME KFeintuch THarris TTate DATE 10/15/07 10/12/07 10/15/07 OFFICIAL RECORD COPY
REQUEST FOR ADDITIONAL INFORMATION RELATED TO THE RELIEF REQUEST FROM IWE-2500 REQUIREMENTS FOR DRYWELL STABILIZER EXAMINATIONS DUANE ARNOLD ENERGY CENTER DOCKET NO. 50-331
- 1. Please provide relevant drawings that show the relative location, structural configuration and general arrangement of Drywell Stabilizers X-58C and X-58G and the drywell coolers to enable the staff to understand the nature of the interference from the upper elevation drywell coolers that prohibits access for removal of the bolting and manhole covers for examination of Drywell Stabilizers X-58C and X-58G.
- 2. In the last paragraph of the AReason for Request@ section of the Relief Request, the licensee stated that AExamination of the Drywell Stabilizers X-58C and X-58G, which includes... and a very disproportionate impact on expenditures of plant manpower and radiation exposure.@
Please provide a quantitative estimate of the effort involved, time duration required, the area dose-rate and the resulting personnel dose that could result from radiation exposure for each of these drywell stabilizers if the VT-3 examinations were to be performed as required by ASME Code,Section XI.
- 3. With regard to the AProposed Alternative and Basis for Use@ section of the Relief Request, since there is no alternative action(s) proposed, please confirm if a general visual examination (as proposed in previous Relief Request MC-R008 listed as Precedent 1) of the accessible surfaces of the Drywell Stabilizers X-58C and X-58G have been or will be performed during the current (last) inspection period of the first 10 year interval of the Containment Inspection Program for which the relief is requested. If already performed, please indicate when and discuss the findings. Indicate schedule if it is planned to be performed. Indicate, with schedule and results, if a Type B test was performed on the manhole penetrations of drywell stabilizers X-58C and X-58G during the current inspection interval.
ENCLOSURE
Duane Arnold Energy Center cc Mr. J. A. Stall Senior Vice President, Nuclear and Chief Nuclear Officer Florida Power & Light Company P. O. Box 14000 Juno Beach, FL 33408-0420 Mr. M. Warner Vice President, Nuclear Operations, North Region Florida Power & Light Company P. O. Box 14000 Juno Beach, FL 33408 Mr. M. S. Ross Managing Attorney Florida Power & Light Company P. O. Box 14000 Juno Beach, FL 33408-0420 Mr. D. A. Curtland Plant Manager Duane Arnold Energy Center 3277 DAEC Rd.
Palo, IA 52324-9785 Ms. Marjan Mashhadi Senior Attorney Florida Power & Light Company 801 Pennsylvania Avenue, NW, Suite 220 Washington, DC 20004 Mr. R. S. Kundalkar Vice President, Nuclear Technical Svcs.
Florida Power & Light Company P. O. Box 14000 Juno Beach, FL 33408 Don E. Grissette Vice President, Nuclear Training and Performance Improvement Florida Power & Light Company P. O. Box 14000 Juno Beach, FL 33408 Daniel K. McGhee Iowa Department of Public Health Bureau of Radiological Health 321 East 12th Street Lucas State Office Building, 5th Floor Des Moines, IA 50319-0075 John Bjorseth Site Director Duane Arnold Energy Center 3277 DAEC Road Palo, IA 52324 Chairman, Linn County Board of Supervisors 930 1st Street SW Cedar Rapids, IA 52404 Steven R. Catron Manager, Regulatory Affairs Duane Arnold Energy Center 3277 DAEC Road Palo, IA 52324 Mr. Gary Van Middlesworth Vice President Duane Arnold Energy Center 277 DAEC Road Palo, IA 52324-9785 U. S. Nuclear Regulatory Commission Resident Inspector=s Office Rural Route #1 Palo, IA 52324 Last revised July 3, 2007