ML103000070

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Request for Information, Round 2, License Amendment Request to Approve FSAR Change for Leak-Before-Break of the Pressurizer Surge Line
ML103000070
Person / Time
Site: Waterford Entergy icon.png
Issue date: 10/27/2010
From: Kalyanam N
Plant Licensing Branch IV
To: Steelman W
Entergy Operations
Kalyanam N, NRR/DORL/LPL4, 415-1480
References
TAC ME3420
Download: ML103000070 (1)
v • d • e


Text

From: Kalyanam, Kaly Sent: Wednesday, October 27, 2010 8:51 AM To: STEELMAN, WILLIAM J Cc: BENNETT, STEVE A; Lent, Susan

Subject:

Transmittal of the Formal Request for Additional Information on Waterford 3 LBB LAR for the pressurizer surge line Plant: Waterford Steam Electric Station, Unit 3 (Waterford 3)

Docket No.: 50-382

Subject:

Request for Additional Information (RAI) on the Leak Detection System for the Leak-Before-Break (LBB) License Amendment Application (LAR) for the Pressurizer Surge Line TAC Nos.: ME3420 SUNSI Review Done: Yes. Publicly Available, Normal Release, Non-sensitive, From: N. Kalyanam To: W. Steelman By letter dated February 22, 2010, Entergy Operations, Inc. requested a license amendment to allow implementation of LBB on the pressurizer surge line at Waterford

3. The licensees LBB analysis is based on WCAP-17187-P, Technical Justification for Eliminating Pressurizer Surge Line Rupture as the Structural Design Basis for Waterford Steam Electric Station, Unit 3 Using leak-Before-Break Methodology, (proprietary). To complete its review, the NRC staff requests the following additional information.

The draft RAI was sent to Entergy on September 15, 2010. This formalizes the RAI.

1) The licensee proposed crediting leak detection capabilities beyond those specified in RG 1.45 (e.g., sensitivity of 0.25 gallons per minute) without adequate supporting analysis.
2) Also, these capabilities were not proposed for inclusion as a Technical Specification LCO as required by Criterion 1 of 10 CFR 50.36(c)(2).

E-mail Properties Mail Envelope Properties (94A2A4408AC65F42AC084527534CF4161A339070C4)

Subject:

Transmittal of the Formal Request for Additional Information on Waterford 3 LBB LAR for the pressurizer surge line Sent Date: 10/27/2010 8:51:22 AM Received Date: 10/27/2010 8:51:22 AM From: Kalyanam, Kaly

Created By: Kaly.Kalyanam@nrc.gov Recipients:

wsteelm@entergy.com (STEELMAN, WILLIAM J)

Tracking Status: None sbenne2@entergy.com (BENNETT, STEVE A)

Tracking Status: None Susan.Lent@nrc.gov (Lent, Susan)

Tracking Status: None Post Office:

HQCLSTR01.nrc.gov Files Size Date & Time MESSAGE 12356 10/27/2010 Options Expiration Date:

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

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