ML20235H979

Forwards Vols 1-5 to NIS-1/90-Day Inservice Insp Rept,Unit 1 Cycle 3. Vols 2-5 Contain Partial Submittal of ASME Section XI Summary Repts Generated as Result of Repairs & Mods on Unit 1.Remaining Repts Will Be Submitted by 890506

ML20235H979
Person / Time
Site:	Sequoyah
Issue date:	02/21/1989
From:	Gridley R TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20235H984	List: ML20235H979 ML20235H993
References
NUDOCS 8902240126
Download: ML20235H979 (4)

Text

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TENNESSEE VALLEY. AUTHORITY

CHATTANOOGA, TENNESSEE 37401 5N 1578 Lookout Place'~

, FEB 211989 m

'U.S. Nuclear _ Regulatory Commission-ATTN: -Document Control Desk i Washington, D.C. 20555

Gentlemen:

In the Matter of- .

) Docket No. 50-327 Tennessee _ Valley Authority ) .i SEQUOYAH NUCLEAR PLANT (SQN) -' PARTIAL UNIT 1 CYCLE 3 90-DAY IN-SERVICE INSPECTION'(ISI) REPORT-Enclosure 1 provides the;SQN unit I cycle 3 ISI report (volumes 1.through 5) i that contains:a portion'of the ISI examinations performed from August.16, 1985,.to November 10, 1988. Volume I contains unit 1 ISI examinations that were performed'during the second period of the first 10-year interval as identified in SQN. Surveillance Instruction (SI) 114.1, "ASME Section XI

. Inservice Inspection Program." These examinations were conducted in accordance with the American Society of Mechanical Engineers (ASME) Boiler and Pressure' Vessel Code, Section'XI, 1977 Edition through Summer 1978' addenda.

TVA utilized a third-party inspection agency. the Hartford Steam Boiler and .

. Inspection Company, to witness and verify these examinations. -Also provided

in volume 1 is the ASME Form NIS-1. Volumes 2 through-5 contain~a partial

. submittal ~of the_ASME Section XI summary reports that were generated as a result of repairs, replacements, and modifications on unit 1.

Because of the prolonged unit 1 outage '(August 1985 through November 1988),

many extensive modifications and improvements were performed'in order to-update and implement various licensing requirements. Approximately 51 percent of the applicable summary reports have.been provided in volumes 2 through 5.

.TVA will submit the balance of the ASME Section XI summary reports and their associated ISI examination results by May 6, 1989. This commitment is provided in enclosure 2.

1 This ISI report is being provided in accordance with INA-6220 and IHA-6250 of the ASME code,Section XI.

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.Ok 8902240126 890221 L PDR ADOCK 05000327

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6f An Equal opportunity Employer

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U'S. Nuclear Regulatory Commission

. FEB 21288 Please direct questions concerning this issue to D. V. Goodin at (615) 843-7734.

Very truly yours, TENNESSEE VALLEY AUTHORITY R. Gridley, rager Nuclear Licensing and Regulatory Affairs Enclosures-cc: Ms. S. C. Black, Assistant Director for Projects TVA Projects ~ Division U.S. Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852 Mr. F. R. McCoy, Assistant Director for Inspection Programs-TVA Projects Division U.S. Nuclear Regulatory Commission Region II 101 Marietta Street, NW, Suite 2900 Atlanta, Georgia 30323 Sequoyah Resident Inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road Soddy. Daisy, Tennessee 37379 l

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e ENCLOSURE 1 PARTIAL UllIT 1 CYCLE 3 90-DAY IN-SERVICE INSPECTION

' ' REPORT Volume 1 ISI Examinations Volumes 2 - 5 Summary. Reports i

I.

. 4 ENCLOSURE 2 TVA will submit the balance of the SQN Unit 1 Cycle 3 In-Service Inspection Report by May 6, 1989.

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