ML15103A288

Presentation on Potential Relief Request About Pressure Boundary Leakage on Reactor Coolant Pump 2A Pipe Nozzle

ML15103A288
Person / Time
Site:	Palo Verde
Issue date:	04/09/2015
From:	Edington R Arizona Public Service Co
To:	Watford M Plant Licensing Branch IV
Watford M
References
TAC MF6083
Download: ML15103A288 (14)

Text

Unit 3 Reactor Coolant Pump 2A Pressure Instrument Nozzle PVNGS Regulatory Affairs April 9, 2015

Reactor Coolant System Arrangement Top View Reactor Coolant Pump 1B Reactor Coolant Pump 2A Steam Steam Generator Generator

1. 1 #2 Reactor Vessel Reactor Coolant Pump 1A Reactor Coolant Pump 2B 4/9/2015 2

Reactor Coolant System Arrangement Pressurizer Steam Generator Steam No. 2 Generator No. 1 Reactor Coolant Pump/Motor Reactor No. 1B Coolant Pump/Motor No. 2B Reactor Vessel Hot Leg Reactor Coolant Pump/

Motor Reactor No. 1A Coolant Pump/

Motor Hot No. 2A Cold Leg Leg Discharge Cold Leg Inlet Discharge Outlet Nozzle Nozzle Cold Leg Suction 4/9/2015 3

2A Reactor Coolant Pump 180° Rotation Steam Generator Reactor Coolant Pump Pressure Instrument Nozzle 4/9/2015 4

Pressure Instrument Nozzle Cutaway RCP Suction Nozzle Diameter RCS Flow 3 TOP Pressure Instrument Nozzle Diameter 4/9/2015 5

As-Found Leakage Indication (with insulation)

As-Found Leakage Indication 4/9/2015 7

As-Found Leakage Indication (after insulation removal) 4/9/2015 8

3R17 (2013) As-Found - No Indications 4/9/2015 9

As-Is Configuration 4/9/2015 10

Half-Nozzle Repair 4/9/2015 11

Questions 4/9/2015 12