ML13086A473
| ML13086A473 | |
| Person / Time | |
|---|---|
| Site: | Fort Calhoun  |
| Issue date: | 03/27/2013 |
| From: | Lynnea Wilkins Plant Licensing Branch IV |
| To: | Hansher B Omaha Public Power District |
| Wilkins L | |
| References | |
| TAC ME8550 | |
| Download: ML13086A473 (2) | |
Text
Lent, Susan From:
Wilkins, Lynnea Sent:
Wednesday, March 27, 201312:14 PM To:
HANSHER, BILL R Cc:
LIPPY, DONNA L; EDWARDS, MICHAEL L; Burkhardt, Janet; Lent, Susan
Subject:
DRAFT: RAI for Fort Calhoun Station Re: River Level and Emergency Action Levels (ME8550)
Attachments:
ME8550 email RAl.docx
- Bill, By letter dated April 27, 2012 (Agencywide Documents Access and Management System Accession No.
Ml12121AS6S), Omaha Public Power District (OPPD, the licensee) submitted a license amendment request for Fort Calhoun Station, Unit 1 (FCS). The proposed amendment would revise Technical Specification (TS) lCO 2.16, River level, and TS surveillance requirement 3.2, Equipment and Sampling Tests, Table 3-S, Minimum Frequencies for Equipment Tests. In addition, the amendment would revise the FCS Radiological Emergency Response Plan declaration procedure as licensed in the safety evaluation report for conversion of the emergency action levels.
The NRC staff has reviewed your submittal and has determined that the information specified in the attached Request for Additional Information (RAI) is needed for the staff to complete its evaluation.
Please contact me if a clarifying teleconference is needed for the attached RAls.
Thanks lynnea Lyn11ea lVi(kins, Project Manager Fort Calhoun Station, Unit 1 Cooper Nuclear Station Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation US N udear Regulatory Commission Phone: 301-415-1377 1
REQUEST FOR ADDITIONAL INFORMATION FORT CALHOUN STATION LAR TO REVISE TS 2.16, "RIVER LEVEL" By letter dated April 27, 2012 (Agencywide Documents Access and Management System Accession No. ML12121A565), Omaha Public Power District (OPPD, the licensee) submitted a license amendment request for Fort Calhoun Station, Unit 1 (FCS). The proposed amendment would revise Technical Specification (TS) LCO 2.16, River Level, and TS surveillance requirement 3.2, Equipment and Sampling Tests, Table 3-5, Minimum Frequencies for Equipment Tests. In addition, the amendment would revise the FCS Radiological Emergency Response Plan declaration procedure as licensed in the safety evaluation report for conversion of the emergency action levels.
The NRC staff has reviewed your submittal and has determined that additional information is needed for the staff to complete its evaluation.
Page 13 of the enclosure states:
At low river levels, debris and/or ice on the traveling screens and/or trash racks can cause significant head loss potentially reducing intake cell levels below the RW pump mean sea level of 976 feet 9 inches. As a precaution, the level of the river and the intake cells is continuously monitored when river level is below 980 feet.
The proposed TS Required Actions states:
(3) At Missouri River levels less than 980 feet or greater than 1002 feet mean sea level, a continuous watch will be maintained to monitor river levels to assure no sudden loss of water supply occurs on low river level and provide adequate response time for rising river levels.
1.) Please provide further justification for using river level as the monitored parameter for low river level TS requirements when phenomena such as screen loading, etc, can cause a difference between the observed river level and the intake cell level.
2.) The proposed TS may not meet the requirements of 10 CFR 50.36. The TS Basis mention the intake cells but TS Bases are technically not part of TS. Please explain why there is no mention of the intake cells in the proposed Required Action (3).
ENCLOSURE