ML051010073
| ML051010073 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  (DPR-063, NPF-069) |
| Issue date: | 03/25/2005 |
| From: | Le N NRC/NRR/DRIP/RLEP |
| To: | Mazzaferro P Constellation Energy Group |
| Le N. B., NRR/DRIP/RLEP, 415-1458 | |
| References | |
| Download: ML051010073 (2) | |
Text
Ngoc Le-Back-Logged Folowup RAls 25-05
-Pa From:
Ngoc Le To:
Peter A Mazzaferro Date:
3/25/05 1:27PM
Subject:
Back-Logged Followup RAls 25-05 David/ Pete/ Dennis:
For your information, I am sending you the subject RAls that were pending during the pre-NRC letter dated March 7, 2005, time frame. You can use Information from these RAls (attached) in your effort to recover the quality of your LRA.
Please let me know if you have any question.
Tommy Le BACK-LOGGED FOLLOW-UP RAls FOR THE AGING MANAGEMENT OF AUXILIARY SYSTEMS FOR NMP1 and NMP2 LICENSE RENEWAL APPLICATIONS (LRA) 3.3 Aging Management of Auxiliary Systems
Reference:
NMP's Responses to the NRC's Request for Additional Information (RAI), dated January 26, 2005, (ADAMS No. ML0503903700)
- 1.
RAI 3.3.2-2 (Follow-up -1)
In the revised LRA Tables 3.3.2.A-2 and 3.3.2.A-22, submitted by letter dated January 26, 2005, in response to RAI 3.3.2-2, the applicant identified no aging effect requiring management (AERM) for non safety-related (NSR) piping, fittings, and equipment made of copper alloys (Zinc less than or equal to 15
%) exposed to demineralized untreated water. In light of the applicant's response to RAI 3.3.2-3 related to copper alloys, please explain the different evaluation results for the same material exposed to the same environment.
- 2.
RAI 3.3.2-2 (Follow-up -2)
In the revised LRA Table 3.3.2.A-19, for NMP1 service water system, submitted by letter dated January 26, 2005, In response to RAI 3.3.2-2, the applicant did not explain why "cracking" is not an AERM for wrought austenitic stainless steel NSR piping exposed to raw water, while in the original LRA Table 3.3.2.A-19, the applicant indicated that "cracking" is an AERM for piping and fittings, and valves of the same material exposed to the same environment. Please provide information to explain the different evaluation results for the same material exposed to the same environment.
- 3.
RAI 3.3.2-2 (Follow-up -3)
In the revised LRA Table 3.3.2.8-1 7, for NMP2 hot water heating system, submitted by letter dated January 26, 2005, in response to RAI 3.3.2-2, the applicant did not explain why "cracking Is not an AERM for carbon or low alloy steel (yield less than 100 Ksi) NSR piping, fittings and equipment exposed to treated water (greater or equal to 140 degree F, but less than 212 degree F), or exposed to treated water or steam (greater or equal to 212 degree F, but less than 482 degree F), while in the revised LRA Table 3.3.2.8-21, the applicant identified that 'cracking' is an AERM for the same components with the same material and exposed to the same environment. Please provide information to explain the different evaluation results for the same material exposed to the same environment.
CC:
David.Dellario @ Constellation.com; Dennis.Vandeputte @ Constellation.com
mp GqWfIOQQ1.TMP Pagej 1l Mail Envelope Properties (42445809.35C: 20: 21350)
Subject:
Creation Date:
From:
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Back-Logged Followup RAIs 25-05 3/25/05 1:27PM Ngoc Le NBL@nrc.gov Recipients OWGWPO01.HQGWDOOI PYC BC (Pei-Ying Chen) owf4-po.0WNDO SSLI BC (Samson Lee)
Action Delivered Delivered Date & Time 03/25/05 01:27PM 03/25/05 01:27PM Constellation.com David.Dellario CC (David.Dellario@Constell Dennis.Vandeputte CC (Dennis.Vandeputte@Co Peter.Mazzaferro (Peter A Mazzaferro)
Transferred 03/25/05 01:28PM Post Office OWGWPO01.HQGWDO01 owf4_po.OWFN_DO Delivered 03/25/05 01:27PM 03/25/05 01:27PM Route Constellation.com Files MESSAGE Options Auto Delete:
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Size 4227 Date & Time 03/25/05 01:27PM No None Yes Standard No None No Standard Immediate Delivered & Opened