ML20210A369

Forwards Summary of 870112 Mgt Meeting W/Util at Plant to Discuss Findings & Plans Re 861209 Pipe Rupture.Util Understands Enough of Failure Mechanism Involved to Take Corrective Actions & Restart Units.Attendees List Encl

ML20210A369
Person / Time
Site:	Surry
Issue date:	01/23/1987
From:	Reyes L NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
To:	Stewart W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
References
NUDOCS 8702060463
Download: ML20210A369 (4)

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y 2 31987 Virgini lectric and Power Company ATTN: r. W. L. Stewart, Vice President, Nuclear Operations P. O. Box 26666 Richmond, VA 23261 Gentlemen:

SUBJECT:

MEETING

SUMMARY

- SURRY, DOCKET NOS 50-280 AND 50-281 This refers to the management meeting conducted at your request at the Surry site on January 12, 1987. The meeting was held to discuss your findings and plans concerning the December 9,1986, pipe rupture at Surry. A list of attendees at the meeting is shown in Enclosure 1. Some of the details of the meeting are provided in Enclosure 2.

It is our opinion that this meeting was beneficial in that it enabled us to better understand the event and those actions you plan to take.

In accordance with Section 2.790 of NRC's " Rules of Practice," Part 2. Title 10 Code of Federal Regulations, a copy of this letter and its enclosures will be placed in the NRC Public Document Room.

Should you have any questions concerning these matters, we will be pleased to discuss them.

Sincerely, Original Signed by Luis A. Reyes e g 20kDON $5!0$!80 Luis A. Reyes, Acting Director S PDR Division of Reactor Projects

Enclosures:

1. Meeting Attendees

2. Meeting Sunnary w/encls:

F. Saunders, Station Manager

. J. Hardwick, Manager - Nuc1 car Programs and Licensing bpe w/ enc 1:

641RC Resident Inspector Document Control Desk Commonwealth of Virginia RI! Ri! % RI!

RC eau FCa rol VBr6wnlee 1/a/87 fMf/1/p/87 b

1/1987 zsvr

ENCLOSURE 1 MEETING ATTENDEES Virginia Power /NRC Meeting January 12, 1987

SUBJECT:

DECEMBER 9, 1986 REACTOR TRIP AND FEEDPUMP SUCTION LINE FAILURE NAME AFFILIATION W. L. Stewart Virginia Power H. L. Miller Virginia Power R. F. Saudners Virginia Power J. M. McAvoy Virginia Power R. W. Calder Virginia Power R. J. Hardwick Virginia Power D. L. Benson Virginia Power J. Hoperfeld U. S. NRC A. Taboada U. S. NRC L. Engle U. S. NRC D. Terao U. S. NRC/NRR J. Nelson Grace U. S. NRC F. S. Cantrell U. S. NRC V. W. Panciera U. S. NRC L. S. Rubenstein U. S. NRC C. P. Patel U. S. NRC W. E. Holland U. S. NRC J. L. Caldwell U. S. NRC R. J. Bosnak U. S. NRC Ernest B. Brach Sargent & Lundy Mark A. Caruso U. S. NRC E. J. Sullivan U. S. NRC William T. Cooper, Jr. U. S. NRC J. T. Rhodes Virginia Power G. L. Pannell Virginia Power George Hudgins Virginia Power C. M. Jarvis Virginia Power W. F. Stephens Virginia SCC M. Tahamtani Virginia SCC D. S. Cruden Virginia Power J. M. Davis Virginia Power J. L. Perkins Virginia Power Nancy E. Clark Virginia Power John W. Waddill Virginia Power Michael T. Sedlark Technical Enterprises, Inc.

Jim Lynch Daily Press

Enclosure 1 2 NAME AFFILIATION W. J. Ross U. S. NRC E. W. Throckmorten Virginia Power H. T. Sink Virginia Power John Ahladas Virginia Power Edward A. Harper, Jr. Virginia Power W. Timothy Lough State Corporation Commission P. A. Taylor U. S. NRC P. M. Madden U. S. NRC F. R. Ellis Virginia Power Pat Scales UPI Bob Geshe Virginian Pilot Joe Gilliland U. S. NRC - Public Affairs J. F. Deucher <U. S. Dept. of Energy T. A. Peebles U. S. NRC J. D. Ennis U. S. NRC R. W. Cross Virginia Power - SPS W. R. Benthall Virginia Power - SPS Jim Mcdonald Virginia Power D. S. Firefroch News Leader Gregory Brown Stone and Webster Engr.

Carl Baab Virginia Power Michael O'Hara Virginia Power Tom Sweeney Virginia Power Judith Kator Citizen Action Safe Environment Michael Specter Washington Post C. E. Kube, Jr. Nuclear Operations - Virginia Power C. R. Silcox Surry - Virginia Power B. J. Sharp N.0.0. - Virginia Power

o ENCLOSURE 2 MEETING

SUMMARY

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Licensee: Virginia Electric and Power Company (VEPCO)

Facility: Surry Docket Nos: 50-280 and 50-281

SUBJECT:

SURRY PIPE RUPTURE N The topics discussed included the sequence of events, investigative results, industry experience, corrective actions, and recovery plans.

VEPC0 concluded that they understand enough of the failure mechanism involved to take corrective actions and restart the units. The actions include replacing piping that has shown excessive wear and inspecting the suspect areas at certain time intervals to monitor wall thinning so action can be taken to prevent a future rupture. The failure appears to have been caused by the combined effects of the type of material, low oxygen content of the water ,

temperature of the water, fluid velocity and piping geometry, all leading to erosion / corrosion of the pipe. Long term corrective actions include an inspection program, rerouting of piping, and material changes.

VEPC0 will seek concurrence from the NRC prior to restarting the Surry units.

p u.____.___.____._.___.____..___.____.__._______.-_____._____ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . . . _ _ _ _ _ _ . _ . _ . _ . _ _ _ . . . _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ _ . _ _ _ _ _ _ . _ _ _ _