ML15110A479

Information Regarding Pressure Boundary Leakage in Reactor Coolant Pump 2A Pressure Instrumentation Nozzle for April 15, 2015 Phone Call (MF6083)

ML15110A479
Person / Time
Site:	Palo Verde
Issue date:	04/15/2015
From:	Weber T N Arizona Public Service Co, (Formerly Arizona Nuclear)
To:	Watford M Plant Licensing Branch IV
References
TAC MF6083
Download: ML15110A479 (5)

Text

1 NRR-PMDAPEm Resource From: Thomas.N.Weber@aps.com Sent: Wednesday, April 15, 2015 12:14 PM To: Watford, Margaret Cc: Delbert.Elkinton@aps.com; George.Andr ews@aps.com; Carl.Stephenson@aps.com; Ken.House@aps.com

Subject:

File for NRC Phone Call Attachments:

Agenda for Phone Call 4-15-15.pdfMaggie, Attached please find the agenda and two figures that we plan to use today on the phone call. Can you distribute to the participants on the call.

Thanks, TN Weber-Department Leader Regulatory Affairs

PVNGS Hearing Identifier: NRR_PMDA Email Number: 2010 Mail Envelope Properties (EB0C94E90ED2EF409E17260ECE38B14E0692FCFB)

Subject:

File for NRC Phone Call Sent Date: 4/15/2015 12:13:55 PM Received Date: 4/15/2015 12:14:11 PM From: Thomas.N.Weber@aps.com Created By: Thomas.N.Weber@aps.com Recipients: "Delbert.Elkinton@aps.com" <Delbert.Elkinton@aps.com>

Tracking Status: None "George.Andrews@aps.com" <George.Andrews@aps.com> Tracking Status: None "Carl.Stephenson@aps.com" <Carl.Stephenson@aps.com> Tracking Status: None "Ken.House@aps.com" <Ken.House@aps.com> Tracking Status: None "Watford, Margaret" <Margaret.Watford@nrc.gov> Tracking Status: None Post Office: ntm211.apsc.com

Files Size Date & Time MESSAGE 251 4/15/2015 12:14:11 PM Agenda for Phone Call 4-15-15.pdf 2120674 Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date: Recipients Received:

Agenda for NRC Phone Call April 15, 2015 RCP 2A Nozzle Relief Request

1. Introductions

2. Original Design of RCP 2A Nozzle

3. Recap of Discovery of Condition

a. Results of visual inspection of RCP 2A nozzle

b. Visual inspection of remaining nozzles (EOC)

c. Results of dye penetrant supplemental inspection

d. Results of straight beam UT supplemental inspection of original nozzle 4. Half-Nozzle Design of RCP 2A Nozzle

5. Actions Completed

6. Relief Request

a. Summary Description

b. Supporting Analysis

c. Timeframe

7. Summary/Overview of RAI re ceived Tuesday (4-14-15)

8. Questions/Comments RCP 2A Original Nozzle Arrangement Enclosure *NPS -nominal pipe size Item Description Dimensions (inches) Material Note A Safe-end Clad and Butter 309 Stainless, 82 or 182 inconel B Remnant Nozzle Orifice 1 NPS* x 0.190 diameter Outlet end (removed) was former Class 1 code break C Remnant J-groove Weld 82 or 182 inconel Former RCS pressure boundary D Safe-end Pipe Wall 3 thick Carbon Steel E Remnant Nozzle-half 1 NPS x 1.5 Alloy 600 F Replacement Nozzle 1 NPS Alloy 690 G Replacement Nozzle Orifice 0.190 diameter Outlet end is new Class 1 code break H Replacement J-groove Weld 0.5 ERNiCrFe-7A (filler) New RCS pressure boundary A B C D E F G H Figure 1 RCP 2A Suction Safe-end Repaired Instrument Nozzle