ML20055J157

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Submits Info Re Replacement of Borg-Warner/Intl Pump,Inc Check Valve Swing Arms,Per .Swing Arms in ASME Code Class 2 Check Valves Will Be Replaced During First Refueling Outage
ML20055J157
Person / Time
Site: Comanche Peak Luminant icon.png
Issue date: 07/27/1990
From: William Cahill
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
TXX-90253, NUDOCS 9008010135
Download: ML20055J157 (2)


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Log # TXX-90253 File # 10010, 10110, 10130 903.9, 910.4 .l CP 89-015, 019  !

L 7t# ELECTRIC IR 89-30, IR 89-30 l

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Ed3E r,ns,,o July 27, 1990 P

L U. S. Nuclear Regulatory Commission Attn: Document Control Desk l Washington, D.C. 20555 l

SUBJECT:

- COMANCHE PEAK STEAM ELECTRIC STATION (CPSES) .

DOCKET N0. 50-445 '

-BORG WARNER / INTERNATIONAL PUMP, INC. (BW/IP) l CHECK VALVE SWING ARMS Ref: TV Electric letter logged TXX-90139 from William J. Cahill to NRC dated April 9, 1990 g l .. 1 Gentlemen: i 1

f In the referenced correspondence, TU Electric committed to provide-a schedule i for the replacement of installed BW/IP check valve swing arms within 90 days )

of-the CPSES full power license. As discussed.with members of the NRC staff, s an ' extension for schedule submittal was granted until July 27, 1990. The. '

following information regarding BW/IP check valve swing arm replacement is

. submitted.  ;

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. There are no ASME Code Class 1 BW/IP check valves insti.11ed at CPSES. To date .!

the swing arms of.24 BW/IP check-valves have been repli.ced with investment I cast swing arms. These include 3 ASME Code Class 2 va'ves in the Containment h L'

Spray System, 19 ASME Code Class 3 valves in various safety related systems, and 2 BW/IP check valves in Non-ASME systems. '

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The replacement of swing arms in the remaining . instal'.ed BW/IP check valves  !

which do not contain investment type cast swing > arms has-been prioritized based on safety classification (ASME code class) and valve function. l Generally, swing arms in ASME Code Class 2 check valves will be replaced 1 during the first refueling outage consistent with the need to maintain systems l

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900801013S 900727 U P

PDR ADOCK 03000443 PDC O[

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, , 4W North Ohve Street LB81 Dalla. Texm 73201

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TXX-90253 1 Page 2 of 2: j .

-in an operable ' status to support plant conditions during the outage, and parts

,0 availability. -Those remaining swing arms not replaced during the first u refueling outage will'be' replaced during the second and third refueling l outages with priority again being given to any remaining ASME Code Class 2 l

-valves. .

Sincerely, j

, , U 2 William J. Cahill, Jr. i BEN /daj I

c - Mr .R. D. Martin,' Region IV  ;

Resident Inspectors, CPSES (3) e.

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