ML11318A023

Notification of Part 21 Report Re Motor Power Leads Undersized

ML11318A023
Person / Time
Site:	Salem, Hope Creek, Framatome
Issue date:	11/10/2011
From:	Bush F Baldor Electric Co
To:	Office of Nuclear Reactor Regulation
References
47425
Download: ML11318A023 (3)

Text

1111 0 U.S. Nuclear Regulatory Commission Operations Center Event Report Page I Part 21 (PAR) Event# 47425 Rep Org: BALDOR ELECTRIC CO. Notification Date / Time: 11/09/2011 16:19 (EST)

Supplier: BALDOR ELECTRIC CO. Event Date / Time: 11/08/2011 (EST)

Last Modification: 11/09/2011 Region: 1 Docket #:

City: GAINESVILLE Agreement State: Yes County: License #:

State: GA NRC Notified by: FLOYD BUSH Notifications: RICHARD CONTE R1DO HQ Ops Officer: JOHN KNOKE GEORGE HOPPER R2DO Emergency Class: NON EMERGENCY BRITTAIN HILL NMSS E 10 CFR Section: Part 21 Group email 21.21 UNSPECIFIED PARAGRAPH MOTOR POWER LEADS UNDERSIZED The following information was provided by Baldor Electric via facsimile:

"Description of Defect: Motor power leads are undersized, #12AWG should be #8AWG. [Baldor] corrected the electrical design where the lead size is specified.

"Advice Related to Defect: Motors in service are not at risk unless held at locked rotor for more than 8 seconds.

Normal operation, with instantaneous inrush while starting and running at loads as high as 40% locked rotor torque as name-plated, will not result in a failure. Holding the shaft blocked for 10 seconds could result in lead failure.

Baldor-Reliance recommends changing the motors out as soon as convenient, i.e. during next outage. Any motors in storage should be replaced ASAP for future use.

"Part/Component Name: Actuator Motors Limitorque P/N R-402-FO6-582100A20 "Location Of All Units:

1) AREVA or PSE&G

2) AREVA or PSE&G

3) Baldor Electric, Gainesville, GA" CA

" 1, . ,.

Floyd C.Bush*

Navy/Nucfear)ýC Mgr To: NRC Operations Center Fax: 301-816-5151 From: Floyd C.Bush Date: 11/09/11 Re: Nuclear Nonconformance Report Pages: 2 CC: [Click here and type name]

xFor Review

• Li PleaseConvTen

• 1] Please Reply LI Please Recycle *

• ents of IOCFR21 reporting attached is nonconformance initiated for motors supplied vserve, Lynchburg, VA for application in nuclear utilities

......... - .. - ...= ,-

Todd Williams BALTDOU Navy/Nuclear Engineering Supervisor Baldor-Reliance A MEMBER OF THE ABB GROUP P.678.947.7315 F.678.947.7310 tswilliams@baldor.com DATE: 11/8/11 TITLE: I OCFR21 Evaluation-NUCLEAR NONCONFORMANCE REPORT DISTRIBUTION: Floyd Bush, Dale Graves, Jim Thigpen, Jerry Martin, Matt Price

1. Customer: Flowserve, Limitorque PO Box 11618 Lynchburg, VA 24506

2. Purchase Order: 1) 176922 I/I 0002-QTY 2

2) 183917-QTY 1

3) 186012-QTY 1

3. Part/Component Name: Actuator Motors Limitorque P/N R-402-F06-582100A20

4. Part/Component ID#: 1) B589345-01 OT1, B589345-01 0T2

2) B733517-01OT1

3) B766515-010TI

5. Quantity On Hand: B766515-01OT1 Shipped: B589345-O1OT1 & T2, B733517-01OT1 PO 186012 PO 176922 PO 183917

6. Location Of All Units: 1) AREVA or PSE&G

2) AREVA or PSE&G

3) Baldor Electric, Gainesville, GA

7. Date Nonconformance Ascertained: 11/8/11

8. Description of Defect/Nonconformance: Motor power leads are undersized, #12AWG, should be #8AWG

9. Corrective Action Taken: Corrected the electrical design where the lead size is specified.

10. Any Advice Related to Defect/Nonconformance: Motors in service are not at risk unless held at locked rotor for more than 8seconds. Normal operation with instantaneous inrush while starting and running at loads as high as 40% locked rotor torque as name-plated will not result in a failure. Holding the shaft blocked for 10 seconds could result in lead failure. Baldor-Reliance recommends changing the motors out as soon as convenient, i.e.

during next outage. Any motors in storage should be replaced ASAP for future use.

11. Individual Completing This Report:

Floyd Bush QA Manager, Baldor Electric Company Gainesville, GA 30542 Fax 678-947-7308 Phone: 678-947-7311 11/9/11