ML082630604

Draft RAI Proposed Amendment on Control Room Envelope Habitability

ML082630604
Person / Time
Site:	Kewaunee
Issue date:	09/19/2008
From:	Tam P Plant Licensing Branch III
To:	Gadzala J, Riste J, Sly C Dominion Energy Kewaunee
Tam P
References
TAC MD6773
Download: ML082630604 (2)

Text

Accession No. ML082630604 From: Peter Tam Sent: Friday, September 19, 2008 10:32 AM To: Craig Sly (craig.d.sly@dom.com); Jerry Riste (gerald.o.riste@dom.com);

'Jack.Gadzala@dom.com' Cc: Robert Taylor; Aleem Boatright; Leta Brown; Harold Walker

Subject:

Kewaunee - Draft RAI re. Proposed Control Room Habitability Amendment (MD6773)

Jack, Craig:

Our Accident Dose Branch (Ms. Leta Brown, reviewer) is reviewing your 9/14/07 application and has written some draft RAI questions with regard to the atmospheric dispersion factors (X/Q values) used in your analysis. We would like to discuss these draft questions with you in a conference call:

(1) Which X/Q values were used as inputs?

(2) If these X/Q values were previously approved on the docket:

(a) What are the reference documents citing approval of the licensing basis X/Q values and describing how the values were generated?

(b) What specifics support that the X/Q values apply to this application and how Kewaunee is operated? Do the X/Q values reflect the limiting scenario and source/receptor pair(s) if more than one scenario could apply? For example, we note that a cursory check of historic documents suggests that at one time the X/Q values were based upon an assumed diffuse release from the closed containment. Subsequent documentation, not specific to radiological issues, discusses scenarios when a hatch might be open and the containment would therefore not be closed.

(3) If the X/Q values are new or are not applicable to the current application, the licensee would need to provide additional information to enable the NRC staff to review the acceptability of the X/Q values.

We propose the following time slots for the conference call. If these times are not good for you, please feel free to propose other times.

Mon 09/22/2008 2:00 pm EST Tues 09/23/2008 9:00 am EST; 1:00 pm EST Wed 09/24/2008 after 10:30 am, until 4:00 pm EST The sole purpose of this e-mail is to prepare you and others for the proposed conference call. This e-mail does not formally request for additional information, and does not formally convey an NRC staff position.

Peter S. Tam, Senior Project Manager Plant Licensing Branch 3-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Tel. 301-415-1451

E-mail Properties Mail Envelope Properties ()

Subject:

Kewaunee - Draft RAI re. Proposed Control Room Habitability Amendment (MD6773)

Sent Date: 09/19/2008 10:11:09 AM Received Date: 09/19/2008 10:32:00 AM From: Peter Tam Created By: Peter.Tam@nrc.gov Recipients:

craig.d.sly@dom.com (Craig Sly (craig.d.sly@dom.com))

Tracking Status: None gerald.o.riste@dom.com (Jerry Riste (gerald.o.riste@dom.com))

Tracking Status: None Jack.Gadzala@dom.com ('Jack.Gadzala@dom.com')

Tracking Status: None Robert.Taylor@nrc.gov (Robert Taylor)

Tracking Status: None Aleem.Boatright@nrc.gov (Aleem Boatright)

Tracking Status: None Leta.Brown@nrc.gov (Leta Brown)

Tracking Status: None Harold.Walker@nrc.gov (Harold Walker)

Tracking Status: None Post Office:

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Priority: olImportanceNormal ReplyRequested: False Return Notification: False Sensitivity: olNormal Recipients received: