ML100740256

AR 00928211 Report

ML100740256
Person / Time
Site:	Oyster Creek
Issue date:	06/05/2009
From:	- No Known Affiliation
To:	NRC Region 1
References
FOIA/PA-2009-0214 AR 00928211
Download: ML100740256 (3)

Text

AR'- Ajsignment Report Page I. of 3 O Go Back Print New Search Home AR 00928211 Report Aft Fac: Oyster Creek AR Type: CR Status: APPROVED Aft Unit: NA Owed To: A5332CAP Due Date: 07/05/2009 Aft System: -- Event Date: 06/04/2009 CR Level/Class: 3/D Disc Date: 06/04/2009 How H02 Orig Date: 06/05/2009 Discovered:

WR/PIMS AR: Component #:

Action Request Details

Subject:

TRITIUM RESULTS FROM UNDERGROUND VAULT INSPECTIONS

Description:

Originator: JHANSI R KANDASAMY Supv Contacted: Pete Orphanos, Dave Dicello Condition

Description:

Tritium Sample analysis were performed on water found in electrical vaults and one pipe vault in support of scheduled cable and pipe inspections.

The workorders are R2139427 and C02019960.

Two out of four vaults were found with Tritium activity:

1. Electrical Vault located near the MIA Xfmr (SBO MH-1) - 102,000pCi/l -

previous inspection performed in February 2009 was LLD - This vault is in the vicinity of the other Monitoring wells in review for the Tritium issues managment team.

2. SE RB pipe vault - located inside of the RCA - 14, 200pCi/l - This vault has had history of Tritium activity in the past - in the vicinity of the ISO condenser vent condensation run off.

3. Switchyard vault on the opposite side of the canals was LLD.

4. The Vault at the CTs was LLD. This is located at the backsite Forked River, Combustion Turbine area There were no Gamma activity in the samples.

Regulatory Assurance performed a reportability review and determined both positive results to be not reportable due to previous reports on the GW tritium inspection and Iso~condenser activities Immediate actions taken:

Completed data review of the results and past results.

Completed reportability review Generated the IR for further actions Recommended Actions:

Complete an EOC review of the following and any other potential concerns with other vaults including potential contributers of Tritium activity in -

http://eamgenco.ceco.com/cap/servlet/ReportARServlet 6/23/2009

AR - Assignment Report Pag--;- 2 of 3 the following:

AR A2205002 documents the inspection of the pipe vault - There are six pipes in the vault requiring inspection as listed below

1) 4 INSTRUMENT AIR LINE (CS-10)

2) 4 INSTRUMENT.AIR LINE 2 (CS-11

3) 2 LAUNDRY DRAIN LINE (CS-6)

4) 3 REACTOR BUILDING SUMP LINE (CS-7)

5) 2 DWEDT LINE (CS-8).

6) A 14 INCH CONTAINMENT SPRAY LINE There are two lines in the vcinity of the MIA transformer vault - that also need to be reviewed as EOC:

1) 4" abondoned Demin water line

2) 12" FP line The water pumped out of the SE RB vault will be pumped into a FRAC tank instead of processing through RW.

What activities, processes, or procedures were involved?

Environmental stewardship for Vault inspections - sampling of water found in vaults List of knowledgeable individuals:

Jay Vouglitois, Matt, Nixon, Tom Dunn, the leadership team.

Operable Basis:

N/A Reportable Basis:

No Reportability Thresholds have been exceeded Reviewed by: THOMAS A DUNN 06/05/2009 21:52:02 CDT Reviewer Comments:

Reg. Assurance has concurred with no reportability issues. T.A.Dunn SOC Reviewed by: THOMAS S LONSDALE 06/12/2009 09:31:23 CDT SOC Comments:

6/8/09 TAP - Sig 3 due to contamination levels significantly above normal levels. Risk and uncertainty Low / Moderate.

6/10/09 JMN: Created ACIT for Chemistry to complete an EOC sample review of the following and any other potential concerns with other vaults including potential contributers of Tritium activity in the following:

AR A2205002 documents the inspection of the pipe vault - There are six pipes in the vault requiring inspection as listed below

1) 4 INSTRUMENT AIR LINE (CS-10)

2) 4 INSTRUMENT AIR LINE 2 (CS-11

3) 2 LAUNDRY DRAIN LINE (CS-6)

4) 3 REACTOR BUILDING SUMP LINE (CS-7)

5) 2 DWEDT LINE (CS-8).

6/11/09 RCL: Discussed with underground piping engineer. There are PMs in place to inspect pipes in the southeast vault on a 2 year frequency. The tritium water found in the southeast vault has been attributed to prior isolation condenser initiation events and leakage from the isolation condenser vents during normal operations. A clean water source of makeup to the isolation condensers has been installed at the site to eliminate future releases of tritium from the isolation condensers during initiation events. The tritium water that was found in the electrical vault by the main power transformers can be attributed to the leak that was repaired in http://eamgenco.ceco.qom/cap/servlet/ReportARServlet 6/23/2009

AR - Aisignment Report Page 3 of 3 the general area during 1F20 and addtional inspections that were performed (work completed on AR A2222268 which also includes one inspection for the CRD return line is currently scheduled under that AR, the rest being complete). The two potential "sources" identified in the body of this IR do not contain tritium water and therefore can not be a potential source of tritium water in this vault. Close to actions taken, sample PMs, and trending.

Assignments Assign #: 01 Assigned To: Status: COMPLETE Aff Fac: Oyster Creek Prim Grp: ACAPALL Due Date: 06/10/2009 Assign Type: TRKG Sec Grp: Orig Due Date:

Priority:

Schedule Ref:

Unit Condition:

Subject/Description: TRITIUM RESULTS FROM UNDERGROUND VAULT INSPECTIONS Assign #: 02 Assigned To: U777KCL Status: NTFY/ASG Aft Fac: Oyster Creek Prim Grp: A5332CHEM Due Date: 06/24/2009 Assign Type: ACIT Sec Grp: Orig Due Date: 06/24/2009 Priority:

Schedule Ref:

Unit Condition:

Chemistry to complete an EOC review of the following and any other potential concerns with other vaults including potential contributers of Tr itium activity in the following: AR A2205002 documents the inspection of the pipe vault - There are six pipes in the vault requiring inspection as listed below : 1) 4 INSTRUMENT AIR LINE (CS-10) 2) 4 INSTRUMENT AIR LINE 2 (CS-11 3) 2 Subject/Description: LAUNDRY DRAIN LINE (CS-6) 4) 3 REACTOR BUILDING SUMP LINE (CS-7) 5) 2 DWEDT LINE (CS-8). 6) A 14 INCH CONTAINMENT SPRAY LINE There are two lines in the vcinity of the M1A transforme r vault - that also need to be reviewed as EOC: 1) 4" abondoned Demin water line 2) 12" FP line http://eamgenco.ceco.com/cap/servlet/ReportARServlet 6/23/2009