NRC-14-0003, Response to NRC Request for Additional Information Regarding Inservice Testing Relief Request PRR-011 for Smooth Running Pumps
| ML14031A418 | |
| Person / Time | |
|---|---|
| Site: | Fermi  |
| Issue date: | 01/30/2014 |
| From: | Conner J DTE Electric Company, DTE Energy |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| NRC-14-0003 | |
| Download: ML14031A418 (4) | |
Text
I. Todd Conner Site Vice Psidrent DTE Energy Company (3400 N. Die Highway, Newport, I 48166 Tel: 734.5864849 Fx: 734,586.5295 Email: connerj@dteenergy.com PTE Energy*
10 CFR 50.55a January 30, 2014 NRC-14-0003 U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington D C 20555-0001
References:
- 1) Fermi 2 NRC Docket No. 50-341 NRC License No. NPF-43
- 2) DTE Electric Company Letter to NRC, "Submittal of Inservice Testing Program Relief Request PRR-011, for the Third Ten-Year Interval," NRC-13-0040, dated August 7, 2013 (ML13220A156)
- 3) NRC Letter to DTE Electric Company, "Fermi 2-Request for Additional Information Related to Relief Request PRR-0 11 for the Third 10-Year Interval (TAC No. MF2557)," dated January 14, 2014 (ML14006A168)
Subject:
Response to NRC Request for Additional Information Regarding Inservice Testing Relief Request PRR-011 for Smooth Running Pumps In Reference 2, DTE Electric Company (DTE) submitted relief request PRR-011 regarding smooth running pumps in the Fermi 2 Inservice Testing program. In Reference 3, NRC staff requested additional information to complete the review of this relief request. The Enclosure to this letter provides DTE's response to the RAI.
No new commitments are being made in this submittal.
Should you have any questions or require additional information, please contact Mr.
Zackary W. Rad of my staff at (734) 586-5076.
Sincerely,
Enclosure:
DTE Response to NRC RAI Regarding Relief Request PRR-11
USNRC NRC-14-0003 Page 2 cc: NRC Project Manager NRC Resident Office Reactor Projects Chief, Branch 5, Region III Regional Administrator, Region III Michigan Public Service Commission, Regulated Energy Division (kindschl@michigan.gov)
Enclosure to NRC-14-0003 Fermi 2 NRC Docket No. 50-341 Operating License No. NPF-43 DTE Response to NRC RAI Regarding Relief Request PRR-11
Enclosure to NRC-14-0003 Page 1 RAI PRR-011-1 As part of the justification for relieffrom the requirements of ISTB-3300(e) (1) of the 2004 Edition of the American Society of Mechanical Engineers Operation and Maintenance Code, "Reference Values," alternative request PRR-01] for Fermi-2, under "Proposed Alternative and Basis for Use, "states that the site Predictive Maintenance Program"... employs predictive monitoring techniques such as vibration monitoring and analysis beyond that required by ISTB."
In order to determine ifthe additional testing will provide an acceptable level of quality and safety in accordance with 10 CFR 50.55a(a)(3)(i), the NRC staff requests the following information concerning the additional testing performed under the site Predictive Maintenance Program for the North and South Control Center Heating, Ventilation and Air Conditioning Pumps T 41 00C040 and T 41 OOC041:
- 1. Are thermographic analysis and oil sampling and analysis included in the Predictive Maintenance Program for pumps T4100C040 and T4100C041? If so, describe how often these techniques are performed and explain how they are used to monitor the pumps?
- 2. The statement "... such as vibration monitoring.. " referenced above implies that additional techniques may be used for predictive maintenance on pumps T4100C040 and T4100C041. What additional techniques beyond those explicitly mentioned in relief request PRR-011, if any, are used to monitor potential degradation of pumps T4100C040 and T41 00C041 and how are they used?
Response
- 1. Thermographic analysis and oil sampling are not performed on the North and South Control Center Heating, Ventilation and Air Conditioning Pumps (T4100C040 and T4100C041). These pumps are lubricated with grease which is not typically sampled for analysis. Preventative Maintenance (PM) program activities (lubrication, inspection, cleaning, electrical PMs) applicable to these pumps are described in Reference 2.
- 2. There are no additional Predictive Maintenance Program techniques beyond those discussed in relief request PRR-011 (Reference 2) which are utilized for pumps T4100C040 and T4100C041. Reference 2 describes the aspects of the Predictive Maintenance Program that are relevant to these pumps (i.e. vibration monitoring techniques), including program activities to identify and address potential degradation.