05000397/LER-2009-002, Regarding Manual Reactor Scram Due to Loss of Hydrogen Pressure in the Main Generator

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Regarding Manual Reactor Scram Due to Loss of Hydrogen Pressure in the Main Generator
ML091950305
Person / Time
Site: Columbia Energy Northwest icon.png
Issue date: 07/06/2009
From: Gambhir S
Energy Northwest
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
GO2-09-095 LER 09-002-00
Download: ML091950305 (4)


LER-2009-002, Regarding Manual Reactor Scram Due to Loss of Hydrogen Pressure in the Main Generator
Event date:
Report date:
Reporting criterion: 10 CFR 50.73(a)(2)(iv)(A), System Actuation

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)(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
3972009002R00 - NRC Website

text

Sudesh K. Gambhir E

Vice President, Technical Services P.O. Box 968, Mail Drop PE04 Richland, WA 99352-0968 Ph. 509-377-8313 F. 509-377-2354 sgambhir@ energy-northwest.com July 6, 2009 G02-09-095 10 CFR 50.73 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001

Subject:

COLUMBIA GENERATING STATION, DOCKET NO. 50-397 LICENSEE EVENT REPORT NO. 2009-002-00

Dear Sir or Madam:

Transmitted herewith is Licensee Event Report No. 2009-002-00 for Columbia Generating Station. This report is submitted pursuant to 10 CFR 50.73(a)(2)(iv)(A). The enclosed report discusses items of reportability and corrective actions taken related to a manual reactor scram that occurred on May 8, 2009.

There are no commitments being made to the NRC herein. If you have any questions or require additional information, please contact Mr. MC Humphreys at (509) 377-4025.

Re/s

ctfully, SK Gambhir Vice President, Technical Services

Enclosure:

Licensee Event Report 2009-002-00 cc: EE Collins, Jr. - NRC RIV NJ DiFrancesco - NRC NRR INPO Records Center NRC Sr. Resident Inspector - 988C (2)

RN Sherman - BPA/1 399 WA Horin -Winston & Strawn WC Walker - NRC RIV/fax

NRC FORM 366 U.S. NUCLEAR REGULATORY COMMISSION APPROVED BY OMB NO. 3150-0104 EXPIRES 08/31/2010 (9-2007)

, the NRC may digits/characters for each block) not conduct or sponsor, and a person is not required to respond to, the information collection.

3. PAGE Columbia Generating Station 05000397 1 OF3
4. TITLE Manual Reactor Scram due to Loss of Hydrogen Pressure in the Main Generator
5. EVENT DATE
6. LER NUMBER
7. REPORT DATE
8. OTHER FACILITIES INVOLVED MONTH DAY YEAR YEAR ISEQUENTIAL REV MONTH DAY YEAR FACILITYNAME DOCKETNUMBER NUMBER NO.

1 05000

.05 08 2009 2009.- 002 - 00 07 06 2009 FACILITY NAME DOCKET NUMBER 05000

9. OPERATING MODE
11. THIS REPORT IS SUBMITTED PURSUANT TO THE REQUIREMENTS OF 10 CFR §: (Check all that apply) 1 [1 20.2201(b)

[I 20.2203(a)(3)(i)

El 50.73(a)(2)(i)(C)

[I 50.73(a)(2)(vii)

O[

20.2201(d)

El 20.2203(a)(3)(ii)

El 50.73(a)(2)(ii)(A)

[I 50.73(a)(2)(viii)(A)

El 20.2203 (a)(1) 0l 20.2203(a)(4)

El 50.73(a)(2)(ii)(B)

El 50.73(a)(2)(viii)(B)

El 20.2203(a)(2)(i)

. [] 50.36(c)(1)(i)(A)

[] 50.73(a)(2)(iii)

Cl 50.73(a)(2)(ix)(A)

10. POWER LEVEL [I 20.2203(a)(2)(ii)

[3 50.36(c)(1)(ii)(A)

ED 50.73(a)(2)(iv)(A)

El 50.73(a)(2)(x) 087 [1 20.2203(a)(2)(iii)

El 50.36(c)(2)

El 50.73(a)(2)(v)(A)

El 73.71 (a)(4) 0l 20.2203(a)(2)(iv)

El 50.46(a)(3)(ii)

El 50.73(a)(2)(v)(B)

El 73.71(a)(5) 0l 20.2203(a)(2)(v) 0l 50.73(a)(2)(i)(A)

El 50.73(a)(2)(v)(C)

El OTHER 0l 20.2203(a)(2)(vi)

[3 50.73(a)(2)(i)(B)

El 50.73(a)(2)(v)(D)

Specify in Abstract below or in.

26158 R4