ML19332G321
| ML19332G321 | |
| Person / Time | |
|---|---|
| Site: | River Bend  |
| Issue date: | 12/12/1989 |
| From: | Booker J GULF STATES UTILITIES CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| IEB-89-002, IEB-89-2, RBG-31934, NUDOCS 8912210057 | |
| Download: ML19332G321 (3) | |
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December 12, 1989 4 g .y '. > ;-. -RBG- 31934
. File Nos. G9.5, G9.33.1
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.M . U.:S. Nuclear Regulatory Commission'-
4 1 Document Control Desk i Washington,10.04 20555. -, s y e N "i ' Gentlemen : ' c .
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River Bend Station - Unit 1
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' Docket No. 50-458
- q NRC Bulletini89-02V t
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, LThis letter 1 provides Gulf-States. Utilities Company!s (GSU) response to. NRC ;
w ' Bulletin 89-02,t:" Stress Corrosion JCracking .of High-Hardness Type 410 Stainless ' Steel <"Internali Preloaded . Bolting sin Anchor Darling.Model S350W-
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Swing Check ValvesLor'Valv'es of Similar Design".-
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, 4 lie subject bulletin requested licenseesof operating reactors to: disassemble- !
,cm ' and minspect allLsafety-related Anchor Darling Model S350W' swing check valves supplied with" internal: retaining block; studs of ASTM specification A193 Grade ;<
JB6M Type- 410SS end review the design of other safety-related check valves to 't
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- determine if'similar designs and material- selection to the ' Anchor Darling.
- Model S350W are used. _;
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GSU:.has. performed the requested review and'has determined that: 1
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s ;1'. Nol Anchor 3 Darling.Model S350W swing check valves are in use at River Bend'
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- Afreview of swing check valves _of:a;. design similar to Anchor. Darling
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4 / -ModeloS350W revealed that there are'no swing check' valves in use at River 3 Bend Station in which 'the internal.. retaining block bolts are made of ASTM
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specification A193 Grade B6 Type 410SS. ; f
; . As : .a. result.of this review, GSU concluded that no check valve disassemblies
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If you have tny questions or require ' additional information, please contact ,
', ;_ 'Mr.' L. L._- Dietrich of my staff 'atL (504) 381-4866.
;g Sincerely,
'" " 3412210057 891212
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IPDR. ADOCK 05000458 o PDC -- *[' 4' .,
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J. E. Booker - Manager-River Bend Oversight A -u
.- River Bend Nuclear Group [[ M i6JEB/. .
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I , . ( . + i UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION 4 STATE OF LOUISIANA ) , PARISH OF WEST FELICIANA ) Docket-No. 50-458 , In the Matter of 4 )
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GULF STATES UTILITIES COMPANY ) (River Bend Station . Unit 1) AFFIDAVIT J. E. Booker, being duly sworn, states that he is ; Manager-River Bend Oversight for Gulf ' States Utilities Company; that he is authorized on the part of said company to sign and file with the Nuclear Regulatory Commission the , documents attached hereto; that he has read all of the
- statements contained in such documents attached thereto and made a part thereof; . and that all such statements made and matters set forth therein are true and correct to-the best of his knowledge, information and belief.
, d . f. /LA NJ . E. Booker Subscribed and sworn to before me, a Notary Public in and for the State and Parish above named, this /d2Y ~ day of N p O pm Aut , 19 b . My Commission expires with Life. , fh 01) N As .k N Notary Public in and for West Feliciana Parish, Louisiana
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