ML11221A321

521- R326C B&W Tech Cross Training - Chapter 17 ANO-1 Seal Failure

ML11221A321
Person / Time
Site:	Arkansas Nuclear
Issue date:	08/01/2011
From:	NRC/HR/ADHRTD/RTTB-PWR
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Download: ML11221A321 (5)

Text

ANO-1 Seal Failure Chapter 17.0 B&W Cross-Training Cross Training Course R-326C 1

OBJECTIVES

1. Describe how control room instrumentation can be used to determine RCP seal failures.

2. Explain the different methods that can be used d tto initiate i iti t Hi High hPPressure IInjection.

j ti

3. Explain why isolation of the Core Flood Tanks is necessary during plant cooldown.

2

• Observation and trend of seal flows and pressures can be used to determine seal failures.

• Methods to place HPI In-Service:

Manually placing HPI in service => Individual Components.

Components Manual Actuation of ESFAS

• CFTs should be isolated during plant cooldown to ensure an inadvertent injection from the CFTs.

3

Appendix - Sequence of Events 4

Appendix - Sequence of Events 5