ML110420597

Request for Additional Information for the Review of the Davis-Besse Nuclear Power Station - Section 2.4

ML110420597
Person / Time
Site:	Davis Besse
Issue date:	02/28/2011
From:	Harris B License Renewal Projects Branch 1
To:	Allen B FirstEnergy Nuclear Operating Co
Harris B, NRR/DLR, 415-2277
References
TAC ME4640
Download: ML110420597 (5)

Text

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 February 28, 2011 Mr. Barry S. Allen Vice President, Davis-Besse Nuclear Power Station FirstEnergy Nuclear Operating Company 5501 North State Route 2 Oak Harbor, OH 43449

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION FOR THE REVIEW OF THE DAVIS-BESSE NUCLEAR POWER STATION - SECTION 2.4 (TAC NO. ME4640)

Dear Mr. Allen:

By letter dated August 27,2010, FirstEnergy Nuclear Operating Company, submitted an application pursuant to Title 10 of the Code of Federal Regulations Part 54 (10 CFR Part 54) for renewal of Operating License NPF-3 for the Davis-Besse Nuclear Power Station. The staff of the U.S. Nuclear Regulatory Commission (NRC or the staff) is reviewing this application in accordance with the guidance in NUREG-1800, "Standard Review Plan for Review of License Renewal Applications for Nuclear Power Plants." During its review, the staff has identified areas where additional information is needed to complete the review. The staff's requests for additional information are included in the Enclosure. Further requests for additional information may be issued in the future.

Items in the enclosure were discussed with Cliff Custer, of your staff, and a mutually agreeable date for the response is within 30 days from the date of this letter. If you have any questions, please contact me by telephone at 301-415-2277 or bye-mail at brian.harris2@nrc.gov.

Sincerely,

.. )

• h/-Z*

/;;;T r Brian K. Harris, Project Manager Projects Branch 1 Division of License Renewal Office of Nuclear Reactor Regulation Docket No. 50-346

Enclosure:

As stated cc w/encl: Distribution via Listserv

Davis-Besse Nuclear Power Station Request for Additional Information License Renewal Application RAI2.4.2-1 Based on the staffs review of Section 2.4.2, "Auxiliary Building," and Table 2.4-2 of the license renewal application (LRA), it is not clear if the following components have been included within the scope of license renewal and subject to an aging management review (AMR):

a)

Cable trays, electrical panels, electrical cabinets b}

Instrument panels and racks c)

Fire barrier coatings and wraps If the components are not included due to oversight, please discuss whether these components are within the scope of license renewal and subject to an AMR. If they are excluded from the scope of license renewal, please provide the basis for their exclusion.

RAI2.4.3-1 Based on the staffs review of Section 2.4.3, "Intake Structure, Forebay, and Service Water Discharge Structure," and Table 2.4-3 of the LRA, it is not clear if the following components have been included within the scope of license renewal and subject to an AMR:

a)

Water stops b)

Fire barrier coatings and wraps c}

Instrument panels and racks If the components are not included due to oversight, please discuss whether these components are within the scope of license renewal and subject to an AMR. If they are excluded from the scope of license renewal, please provide the basis for their exclusion.

RAI2.4.5-1 Based on the staffs review of Section 2.4.5, "Miscellaneous Diesel Generator Building,"

and Table 2.4-5 of the LRA, it is not clear if the following components have been included within the scope of license renewal and subject to an AMR:

a)

Compressible joints and seals b)

Fire barrier coatings and wraps If the components are not included due to oversight, please discuss whether these components are within the scope of license renewal and subject to an AMR. If they are excluded from the scope of license renewal, please provide the basis for their exclusion.

ENCLOSURE

- 2 RAI2.4.9-1 Based on the staff's review of Section 2.4.9, "Station Blackout Diesel Generator Building," serves as the alternate AC source for station blackout, and Table 2.4-9 of the LRA, it is not clear if the following components have been included within the scope of license renewal and subject to an AMR:

a)

Compressible joints and seals b)

Fire barrier coatings and wraps If the components are not included due to oversight, please discuss whether these components are within the scope of license renewal and subject to an AMR. If they are excluded from the scope of license renewal, please provide the basis for their exclusion.

RAJ 2.4.11-1 Based on the staff's review of Section 2.4.11, "Water Treatment Building," and Table 2.4-11 of the LRA, it is not clear if the following components have been included within the scope of license renewal and subject to an AMR:

a)

Caulking and sealant b)

Compressible jOints and seals c)

Fire barrier coatings and wraps If the components are not included due to oversight, please discuss whether these components are within the scope of license renewal and subject to an AMR. If they are excluded from the scope of license renewal, please provide the basis for their exclusion.

February 28, 2011 Mr. Barry S. Allen Vice President, Davis-Besse Nuclear Power Station FirstEnergy Nuclear Operating Company 5501 North State Route 2 Oak Harbor, OH 43449

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION FOR THE REVIEW OF THE DAVIS-BESSE NUCLEAR POWER STATION - SECTION 2.4 (TAC NO. ME4640)

Dear Mr. Allen:

By letter dated August 27, 2010, FirstEnergy Nuclear Operating Company, submitted an application pursuant to Title 10 of the Code of Federal Regulations Part 54 (10 CFR Part 54) for renewal of Operating license NPF-3 for the Davis-Besse Nuclear Power Station. The staff of the U.S. Nuclear Regulatory Commission (NRC or the staff) is reviewing this application in accordance with the guidance in NUREG-1800, "Standard Review Plan for Review of license Renewal Applications for Nuclear Power Plants." During its review, the staff has identified areas where additional information is needed to complete the review. The staff's requests for additional information are included in the Enclosure. Further requests for additional information may be issued in the future.

Items in the enclosure were discussed with Cliff Custer, of your staff, and a mutually agreeable date for the response is within 30 days from the date of this letter. If you have any questions, please contact me by telephone at 301-415-2277 or bye-mail at brian.harris2@nrc.gov.

Sincerely, IRA!

Brian K. Harris, Project Manager Projects Branch 1 Division of license Renewal Office of Nuclear Reactor Regulation Docket No. 50-346

Enclosure:

As stated cc w/encl: Distribution via listserv DISTRIBUTION:

See next page ADAMS Accession No. ML110420597

• concurrence via e-mail OFFICE:

LA:DLR*

PM:RPB1 :DLR BC:RPB1 :DLR PM:RPB1:DLR NAME:

IKing BHarris BPham BHarris DATE:

2/16/2011 2/28/2011 2/28/2011 2/28/2011 OFFICIAL RECORD COpy

Letter to Barry S. Allen from Brian K. Harris dated February 28, 2011

SUBJECT:

REQUEST FOR ADDITIONAL INFORMATION FOR THE REVIEW OF THE DAVIS-BESSE NUCLEAR POWER STATION - SECTION 2.4 (TAC NO. ME4640)

DISTRIBUTION:

HARD COPY:

DLR RF E-MAIL:

PUBLIC RidsNrrDlr Resource RidsNrrDlrRpb1 Resource RidsNrrDlrRpb2 Resource RidsNrrDlrRarb Resource RidsNrrDlrRapb Resource RidsNrrDlrRasb Resource RidsNrrDlrRerb Resource RidsNrrDlrRpob Resource PCooper BHarris DWrona EMiller MMahoney ICouret, OPA TReBIY,OCA BHarris, OGC VMitlyng, RII JCameron, Rill