ML20086E589

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Forwards Results of Steam Generator Inservice Insp Completed on 911111,consisting of Listing of Number of Tubes Plugged in Each Steam Generator
ML20086E589
Person / Time
Site: Braidwood 
Issue date: 11/19/1991
From: Simpkin T
COMMONWEALTH EDISON CO.
To: Davis A
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 9112020194
Download: ML20086E589 (3)


Text

{{#Wiki_filter:- Commonw:;alth Edison pycpyn gggg 1400 Opus Place O Downers Grove Illinois 60515 FA .c PL g.Z a$Wh" ~ (ovi I November 19,1991 y Z p gZ-{g-r J Enrl s Mr. A. Bert Davis Regional Administrator U.S. Nuclear Regulatory Commission 799 Roosevelt Road Rill Glen Ellyn, ll 60137

Subject:

Braidwood Station Unit 2 Second Refueling Outage Steam Generator Inservice inspection Results NRO_RockeLNom501457

Reference:

(a) NUREG-1276, Technical Specification

Dear Mr. Davis:

The steam generator addy current surveillance BwVS 4.5.0-1 was completed on November 11,1991. Braidwood Technical Specification 4.4.5.5.a states that a Special Report of steam generator inservice inspection (ISI) results be prepared and submitted to the Commission, pursuant to specification 6.9.2 within 15 days following completion of examinations. Accordingly, Attachment A arovides a summary of the - num ber of tubes plugged in each steam generator basec on the ISI results. Attachment B is a summary of tubes plugged to date. This information is being provided in accordance with theTechnical Specification requirements. Please direct any questions regarding this submittal to this office. Very Truly Yours, Q)sw&uh feb Terrence W. Simpkin j Nuclear I.icensing Administrator - Attachments cc: R. Pulsifer-NRR I S. Du aont-Braidwcod j NRC Occument Control Desk V ~\\N hb / sci:lD627:3 NOV 2 01991 l 9112o20194 Y11119 POR f4 DOCK 05000457 o PDR

ATTACHMENT A A2R02 Plugging List STEAM GENERATOR A: Row Col Ind Loc 44 73 41 % AV3 40 96 51 % AV3 j 40 97 47 % AV3 39 98 51 % AV2 l STEAM GENERATOR B: No tubes required plugging. STEAM GENERATOR C: Row Col Ind Loc 33 12 45% AV3 45 56 45% AV2 43 59 47 % AV1 47 88 45% AV3 45 91 42% AV2 42 93 40% AV3 47 27 45% AV2 STEAM GENERATOR D: No tubes required plugging. / sci:lD627:4

'l ATTACHMENT B Unit 2 Steam Generator Tube Plugging History Westinghouse Model D 5 (4570 Tubes per Generator) STEAM GENERATOR A: Tubes plugged at f actory 1 Tubes plugged during A2R02; AV8 wear 4 l STEAM GENERATOR B: Tubes plugged due to baseline 1 STEAM GENERATOR C: Tubes plugged during A2R01; AVB wear 2 Tubes plugged during A2R02; AVB wear 7 STEAM GENERATOR D: Tubes plugged at factory: 3 t l- /scl:lD627:5 -}}