ML112150541
| ML112150541 | |
| Person / Time | |
|---|---|
| Site: | Callaway  |
| Issue date: | 08/03/2011 |
| From: | Thadani M Plant Licensing Branch IV |
| To: | Elwood T, Maglio S Union Electric Co |
| Thadani, M C, NRR/DORL/LP4, 415-1476 | |
| References | |
| TAC ME6645 | |
| Download: ML112150541 (1) | |
Text
From:
Thadani, Mohan Sent:
Wednesday, August 03, 2011 2:48 PM To:
Maglio, Scott A; Elwood, Thomas B Cc:
Lent, Susan; Lingam, Siva; Thadani, Mohan; Markley, Michael; Burkhardt, Janet
Subject:
Acceptance Review for Amendment Request Dated June 30, 2011; Revision to TS 3.6.6 (TAC ME6645).
Mr. Adam C. Heflin Senior Vice President and Chief Nuclear Officer Union Electric Company P.O. Box 620 Fulton, MO 65251
SUBJECT:
CALLAWAY PLANT, UNIT 1: REVISION TO TS 3.6.6, CONTAINMENT SPRAY AND COOLING SYSTEMS (TAC NO. ME6645).
Dear Mr. Heflin:
By letter dated June 30, 2011 (ADAMS Accession No.ML111820367), Union Electric Company (the licensee) requested the U.S. Nuclear Regulatory Commission (NRC) staff approval of an amendment to the Callaway Plant, Unit 1 Technical Specifications (TS).
The proposed amendment would revise TS 3.6.6, Containment Spray and Cooling Systems The revision consists of changes to TS surveillance requirement (SR) 3.6.6.3 for verifying the minimum containment cooling train cooling water flow rate. Rather than require verifying each containment cooling train cooling water flow rate greater than or equal to 2200 gpm, TS SR 3.6.6.3 would be revised to require verification that the flow rate is within limits, that provide assurance that the heat removal rate assumed in the Callaway Plant safety analysis will be achieved.
The purpose of this letter is to provide the results of the U.S. Nuclear Regulatory Commission (NRC) staff=s acceptance review of this amendment request. The acceptance review was performed to determine if there is sufficient technical information in scope and depth to allow the NRC staff to complete its detailed technical review. The acceptance review is also intended to identify whether the application has any readily apparent information insufficiencies in its characterization of the regulatory requirements or the licensing basis of the plant.
Consistent with Section 50.90 of Title 10 of the Code of Federal Regulations (10 CFR), an amendment to the license (including the technical specifications) must fully describe the changes requested, and following as far as applicable, the form prescribed for original applications. Section 50.34 of 10 CFR addresses the content of technical information required. This section stipulates that the submittal address the design and operating characteristics, unusual or novel design features, and principal safety considerations.
The NRC staff has reviewed your application and concluded that it does provide technical information in sufficient detail to enable the staff to proceed with its detailed technical review and make an independent assessment regarding the acceptability of the proposed amendment in terms of regulatory requirements and the protection of public health and safety and the environment. If additional information is needed for the staff to complete its technical review, you will be advised by separate correspondence.
If you have any questions, please contact me.
Mohan C Thadani Senior Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation (301) 415-1476 Mohan.Thadani@nrc.gov