05000456/LER-2006-002, Re Units 1 and 2 Entry Into Limiting Condition for Operation 3.0.3 Due to Main Control Room Ventilation Envelope Low Pressure
| ML063380443 | |
| Person / Time | |
|---|---|
| Site: | Braidwood  |
| Issue date: | 12/04/2006 |
| From: | Coutu T Exelon Nuclear |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| BW060114 LER 06-002-00 | |
| Download: ML063380443 (5) | |
| Event date: | |
|---|---|
| Report date: | |
| Reporting criterion: | 10 CFR 50.73(a)(2)(i) 10 CFR 50.73(a)(2)(vii), Common Cause Inoperability 10 CFR 50.73(a)(2)(ii)(A), Seriously Degraded 10 CFR 50.73(a)(2)(viii)(A) 10 CFR 50.73(a)(2)(ii)(B), Unanalyzed Condition 10 CFR 50.73(a)(2)(viii)(B) 10 CFR 50.73(a)(2)(iii) 10 CFR 50.73(a)(2)(ix)(A) 10 CFR 50.73(a)(2)(iv)(A), System Actuation 10 CFR 50.73(a)(2)(x) 10 CFR 50.73(a)(2)(v)(A), Loss of Safety Function - Shutdown the Reactor 10 CFR 50.73(a)(2)(v)(B), Loss of Safety Function - Remove Residual Heat 10 CFR 50.73(a)(2)(i)(A), Completion of TS Shutdown 10 CFR 50.73(a)(2)(v), Loss of Safety Function 10 CFR 50.73(a)(2)(i)(B), Prohibited by Technical Specifications |
| 4562006002R00 - NRC Website | |
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~ioo So th kou c3 0U 84 Btaoe 60407 96~9 December 4, 2006 BWO6O1 14 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Braidwood Station, Unit 1 Facility Operating License No. NPF-72 NRC Docket No. STN 50-456
Subject:
Submittal of Licensee Event Report Number 2006-002-00 Units 1 and 2 Entry into Limiting Condition for Operation 3.0~3due to Main Control Room Ventilation Envelope Low Pressure The enclosed voluntary Licensee Event Report (LER) is being submitted.
There are no commitments contained in the attached report. Should you have any questions concerning this submittal, please contact Mr. Dale Ambler, Regulatory Assurance Manager, at (815) 417-2800.
Respectfully, Thomas Coutu Site Vice President Braidwood Station
Enclosure:
LER Number 2006-002-00
NRC FORM 366 U.S. NUCLEAR REGULATORY COMMISSION 6-20041 LICENSEE EVENT REPORT (LER)
(See reverse for required number of
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uIgILsIc~laracLers or eac uOCt~j APPROVED BY 0MB: NO, 3150-0104 EXPIRES: 06/30/2007
, the NRC may not conduct or sponsor, and a person is not required to respond to, the infnrmstinn nnflentinn
- 1. FACILITY NAME Braidwood Station, Unit 1
- 2. DOCKET NUMBER
- 3. PAGE 05000456 1
of 4
- 4. TITLE Units 1 and 2 Entry into Limiting Condition for Operation 3.0.3 due to Main Control Room Ventilation Envelope Low Pressure
- 5. EVENT DATE
- 6. LER NUMBER
- 7. REPORT DATE
- 8. OTHER FACILITiES INVOLVED MONTH DAY YEAR YEAR I SE~U~J~AL MONTH DAY YEAR FACILITY NAME Braidwood Station, Unit 2 DOCKET NUMBER 05000457 10 04 2006 2006 002 00 12 04 2006 FACILITY NAME N/A DOCKET NUMBER N/A
~. OPERATING MODE 1
- 11. THIS REPORTIS ~UBMI1ThD PURSuANTTO THE REQUIREMENTS OF 10 CFR~: (Checkallthat apply) o 20.2201(b) 0 20.2203(a)(3)(i) 0 50.73(a)(2)(i)(c) 0 50.73(a)(2)(vii) 0 20.2201(d) 0 20.2203(a)(3)(ii) 0 50.73(a)(2)(ii)(A) 0 50.73(a)(2)(viii)(A) o 20.2203(a)(1) 0 20.2203(a)(4) 0 50.73(a)(2)(ii)(B) 0 50.73(a)(2)(viii)(B) o 20,2203(a)(2)(i) 0 50.36(c)(1)(i)(A) 0 50.73(a)(2)(iii) 0 50.73(a)(2)(ix)(A)
D 20.2203(a)(2)(ii) 0 50.36(c)(1)(ii)(A) 0 50.73(a)(2)(iv)(A) 0 50.73(a)(2)(x) o 20.2203(a)(2)Oii) 0 50.36(c)(2) 0 50.73(a)(2)(v)(A) 0 73.71 (a)(4) o 20.2203(a)(2)(iv) 0 50.46(a)(3)(ii) 0 50.73(a)(2)(v)(B) 0 73.71(a)(5) 0 20.2203(a)(2)(v) 0 50.73(a)(2)(i)(A) 0 50.73(a)(2)(v)(c)
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OTHER o 20.2203(a)(2)(vi) 0 50.73(a)(2)(i)(B) 0 50.73(a)(2)(v)(D)
Specify in Abstract below or in (If more space is required, use additional copies of (If more space is required, use additional copies of NRC Form366A) (17)
Previous Occurrences
There have been no previous similar events at Braidwood Station.
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Component Failure Data
Manufacturer Nomenclature Model Mfp. Part Number N/A N/A N/A N/A