Here are FCS's answers

1) What type of time averaged values are used in your calorimetric program

(e.g. 1 minute average, 5 minute average, etc)?

FCS uses a 10-minute average as the value used to monitor reactor power and compliance. There are other averages available for trouble-shooting and for information (real time calculate every 30 seconds, 2-minute average, 5-minute average, and others up to 8 hour averages)

2) What type of time averaging is used for either feed flow or steam flow which feeds your calorimetric program?

FCS has implemented a 2-minute average for Feedwater and S/G Blowdown flow.

3) Which of the time average calorimetric values are used to ensure compliance with your licensed thermal power limitations and the intent of RIS 2007-021?

FCS uses a 10-minute average as the value used to monitor reactor power and compliance.

4) Have you made changes to your calorimetric procedures or methods as a result of the RIS?

FCS has interim guidance not to exceed the license limit of 1500 MWth while at steady state conditions, with a target band of 1497-1499 MWth. We also clarified the term steady-state with respect to the rotation of secondary equipment. (we have 3 Main Feed, 3 Condensate and 3 heater drain pumps). The 10-minute average for secondary calorimetric would indicate a ~5-6 MWth increase during the start of the standby feed pump, and then return to normal once the running pump is secured.

We have told the SRO/RO's to declare the calculation invalid and rely on NI and delta-T power during this timeframe. (It usually takes 10-12 minutes to settle back out).

5) Is "Steady State" in reference to licensed thermal power defined at your plant?

YES

J. E. Willett

----------------------------------------------------

Joseph E. Willett, P.E.      

Principal Reactor Engineer-Fuel

Nuclear Operations Division

 E-mail: jwillett@oppd.com

  Omaha Public Power District           Phone:  (402) 533-7213

  P.O. Box 99                           Pager:   (402) 561-3899

  Ft. Calhoun, NE  68023-0390   FAX:      (402) 533-6747

  Mail Station: FC-1-1 Plant

---------------------------------------------------- --------

-----Original Message-----
From: respvr-bounces@retaqs.com [mailto:respvr-bounces@retaqs.com] On Behalf Of respvr-request@retaqs.com
Sent: Friday, September 28, 2007 11:00 AM
To: respvr@retaqs.com
Subject: Respvr Digest, Vol 15, Issue 4

Send Respvr mailing list submissions to

        respvr@retaqs.com

To subscribe or unsubscribe via the World Wide Web, visit

        http://www.keffective.com/mailman/listinfo/respvr

or, via email, send a message with subject or body 'help' to

        respvr-request@retaqs.com

You can reach the person managing the list at

        respvr-owner@retaqs.com

When replying, please edit your Subject line so it is more specific

than "Re: Contents of Respvr digest..."

Today's Topics:

   1. RIS 2007-021 Compliance (Michael.Fanguy@dom.com)

----------------------------------------------------------------------

Message: 1

Date: Thu, 27 Sep 2007 16:02:47 -0400

From: Michael.Fanguy@dom.com

Subject: [Respvr] RIS 2007-021 Compliance

To: "RE Supervisors" <respvr@retaqs.com>

Cc: Johnny.Henderson@dom.com, James.Shell@dom.com

Message-ID:

        <OF5285CA8E.41505F13-ON85257363.006C2B91-85257363.006E1E8F@dom.com>

Content-Type: text/plain; charset="us-ascii"

Question to Reactor Engineering Supervisors with respect to RIS 2007-021.

What type of time averaged values are used in your calorimetric program

(e.g. 1 minute average, 5 minute average, etc)?  What type of time

averaging is used for either feed flow or steam flow which feeds your

calorimetric program?  Which of the time average calorimetric values are

used to ensure compliance with your licensed thermal power limitations and

the intent of RIS 2007-021? Have you made changes to your calorimetric

procedures or methods as a result of the RIS? Is "Steady State" in

reference to licensed thermal power defined at your plant?

Michael J. Fanguy

Nuclear Analysis & Fuel

Lead Reactor Engineer

Surry Power Station

Email: Michael.Fanguy@Dom.com

Phone: 757-365-2155

Pager #: 3453

-----------------------------------------

CONFIDENTIALITY NOTICE:  This electronic message contains

information which may be legally confidential and/or privileged and

does not in any case represent a firm ENERGY COMMODITY bid or offer

relating thereto which binds the sender without an additional

express written confirmation to that effect.  The information is

intended solely for the individual or entity named above and access

by anyone else is unauthorized.  If you are not the intended

recipient, any disclosure,  copying, distribution, or use of the

contents of this information is prohibited and may be unlawful.  If

you have received this electronic  transmission in error, please

reply immediately to the sender that you have received the message

in error, and delete it.  Thank you.

-------------- next part --------------

An HTML attachment was scrubbed...

URL: http://www.keffective.com/pipermail/respvr/attachments/20070927/777f7633/attachment-0001.html

------------------------------

_______________________________________________

Respvr mailing list

Respvr@retaqs.com

http://www.keffective.com/mailman/listinfo/respvr

End of Respvr Digest, Vol 15, Issue 4

*************************************