CR3 has used the RCPs to help with RCS clean-up for the last 2 outages with 
good success at source term reduction.... as compared to "no" source term 
reduction without running the RCPs for the previous 4 outages.  This was the 
only change to our clean-up scenario.  I learned at the INPO workshop last May 
on source term mitigation.... there are more contributing factors of why this 
can work at some plants and not others.  I believe Joe Sears at INPO was 
compiling the data for the industry. 

Thanks, 
Bryant Akins
Superintendent Radiation Control
Crystal River Nuclear Plant
work cell 352-464-7964
[email protected]


-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of 
[email protected]
Sent: Wednesday, November 10, 2010 3:28 PM
To: [email protected]
Subject: Powernet: Use of RCPs during Shutdown clean-up


Davis-Besse is a B&W 2 loop pwr.   The station has never used its reactor
coolant pumps during shutdown evolutions.  We are considering it now.   How
many pwrs utilize rcps during crud burst clean-up. activities


Douglas L. Noble
Manager - Radiation Protection
Davis-Besse Nuclear Power Station
(419) 321-7780 office
(419) 304-0068  cell


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