ML102180379

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OL - Question - WBN Unit 2 - Generic Communications
ML102180379
Person / Time
Site: Watts Bar Tennessee Valley Authority icon.png
Issue date: 08/05/2010
From:
- No Known Affiliation
To:
Division of Operating Reactor Licensing
References
Download: ML102180379 (5)


Text

WBN2Public Resource From: Arent, Gordon [garent@tva.gov]

Sent: Thursday, August 05, 2010 4:19 PM To: Lamb, John Cc: Campbell, Stephen; Raghavan, Rags; Milano, Patrick; WBN2HearingFile Resource; Wiebe, Joel; Crouch, William D

Subject:

RE: Question - WBN Unit 2 - Generic Communications Attachments: Generic Communications Update.docx

John, Per our conversation, attached is the status of the items noted below. Additionally, the information for ATWS (GL 83
28) is also provided.

Gordon From: Lamb, John [1]

Sent: Thursday, August 05, 2010 12:32 PM To: Arent, Gordon; Crouch, William D Cc: Campbell, Stephen; Raghavan, Rags; Milano, Patrick; WBN2HearingFile Resource; Wiebe, Joel

Subject:

Question - WBN Unit 2 - Generic Communications Gordon & Bill, With reference to the open pre-1995 generic communications contained in NUREG-0847, Supplement 21, could you please tell me where the TVA Action is addressed for the following pre-1995 generic communications?

GL 1982-28: Inadequate Core Cooling Instrumentation System GL 1989-04: Guidelines on Developing Acceptable In-service Testing Programs GL 1992-08: Thermo-Lag 330-1 Fire Barriers BL 1992-01: Failure of Thermo-Lag 330 Fire Barrier System to Perform its Specified Fire Endurance Function Thanks.

John 1

Hearing Identifier: Watts_Bar_2_Operating_LA_Public Email Number: 54 Mail Envelope Properties (14495210B2808F499555F3B6E04436570C559EA8)

Subject:

RE: Question - WBN Unit 2 - Generic Communications Sent Date: 8/5/2010 4:18:39 PM Received Date: 8/5/2010 4:20:31 PM From: Arent, Gordon Created By: garent@tva.gov Recipients:

"Campbell, Stephen" <Stephen.Campbell@nrc.gov>

Tracking Status: None "Raghavan, Rags" <Rags.Raghavan@nrc.gov>

Tracking Status: None "Milano, Patrick" <Patrick.Milano@nrc.gov>

Tracking Status: None "WBN2HearingFile Resource" <WBN2HearingFile.Resource@nrc.gov>

Tracking Status: None "Wiebe, Joel" <Joel.Wiebe@nrc.gov>

Tracking Status: None "Crouch, William D" <wdcrouch@tva.gov>

Tracking Status: None "Lamb, John" <John.Lamb@nrc.gov>

Tracking Status: None Post Office: TVANUCXVS1.main.tva.gov Files Size Date & Time MESSAGE 1027 8/5/2010 4:20:31 PM Generic Communications Update.docx 20250 Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:

Recipients Received:

Document Action Status B 92-001 No Action Required (C) This bulletin was provided for information only to plants with Failure of Thermo-Lag 330 Fire construction permits.

Barrier System to Maintain Cabling in Wide Cable Trays and See Generic Letter 92-08 for Small Conduits Free From Fire Thermo-lag related actions.

Damage GL 82-028 Unit 2 Action: Install LICENSE CONDITION -

Westinghouse Common Q PAM Inadequate Core Cooling system. (CI) Detectors for Inadequate core Instrumentation System cooling (II.F.2) In the original SER, the review of the ICC instrumentation was incomplete.

The January 24, 1992, letter superseded the previous responses on this issue. TVA letter for Units 1 and 2 dated January 24, 1992, committed to install Westinghouse ICCM-86 and associated hardware. NRC completed the review for Units 1 and 2 in SSER10.

For Unit 2 due to obsolescence of the ICCM-86 system, TVA intends to install the Westinghouse Common Q Post-Accident Monitoring System.

GL 83-028 "Required Actions Based on Generic Implications of Salem ATWS Events:

1.2 - Post Trip Review Data and No Action Required (C) TVA: letters dated November 7, Information Capability 1983 and December 4, 1987 NRC: IR 50-390, 391/86-04 2.1 - Equipment Classification Unit 2 Action: Ensure that TVA: letters dated November 7, and required information on Critical 1983 and August 24, 1990 Vendor Interface (Reactor Trip Structures and Components is System Components) properly incorporated into NRC: letters dated October 20, procedures. (CI) 1986 and June 18, 1990 2.2 - Equipment Classification Unit 2 Action: Enter engineering NA and component background data in

Vendor Interface (All SR INPO's Equipment Performance Components)" and Information Exchange System (EPIX) for Unit 2. (CI) 3.1 - Post-Maintenance Testing Unit 2 Action: Test and Developmental Revision A of the (Reactor Trip System maintenance procedures and Unit 2 TS (including the TS Components) Technical Bases) was submitted on March Specifications will include post- 4, 2009.

maintenance operability testing of safety-related components of The Bases for TS Surveillance the reactor trip system (S) Requirement 3.0.1 states, in part, Upon completion of Test and Maintenance maintenance, appropriate post procedures require inspection. maintenance testing is required to declare equipment OPERABLE. This includes ensuring applicable Surveillances are not failed and their most recent performance is in accordance with SR 3.0.2.

3.2 - Post-Maintenance Testing Unit 2 Action: Test and Developmental Revision A of the (All SR Components) maintenance procedures and Unit 2 TS (including the TS Technical Bases) was submitted on March Specifications will include post- 4, 2009.

maintenance operability testing of safety-related components of The Bases for TS Surveillance the reactor trip system (S) Requirement 3.0.1 states, in part, Upon completion of Test and Maintenance maintenance, appropriate post procedures require inspection. maintenance testing is required to declare equipment OPERABLE. This includes ensuring applicable Surveillances are not failed and their most recent performance is in accordance with SR 3.0.2.

4.1 - Reactor Trip System Unit 2 Action: Confirm vendor- TVA: letter dated May 19, 1986 Reliability recommended DS416 breaker (Vendor Related Modifications) modifications are implemented.

(CI) 4.2 - Reactor Trip System Unit 2 Action: Ensure Developmental Revision B of the Reliability maintenance instruction Unit 2 TS was submitted on (Preventive Maintenance and procedure and February 2, 2010.

Surveillance Program for Reactor Technical Specifications support Trip Breakers) reliable reactor trip breaker Item 17. (Reactor Trip Breakers) operation. (S) of TS Table 3.3.1-1 states the requirement for the reactor trip Maintenance procedures require breakers.

inspection.

4.3 - Reactor Trip System No Action Required TVA: letters dated November 7, Reliability 1983, March 22, 1985 (Automatic Actuation of Shunt Trip NRC: IR 50-390/86-04 and 50-

Attachment) 391/86-04; letter dated June 18, 1990 4.5 - Reactor Trip System Unit 2 Action: Address in Developmental Revision B of the Reliability Technical Specifications, as Unit 2 Technical Specifications (Automatic Actuation of Shunt appropriate. (S) (TS) was submitted on February Trip 2, 2010.

Attachment)

Item 18. (Reactor Trip Breaker Undervoltage and Shunt Trip Mechanisms) of TS Table 3.3.1-1 states the requirement for the shunt trip attachment.

GL 89-004 Unit 2 Action: Submit an ASME Section XI Inservice Test Guidelines on Developing Program for the first ten year Acceptable Inservice Testing interval six months before Programs receiving an Operating License.

(OV)

GL 92-008 Unit 2 Actions: 1) Review Watts TVA configurations for Thermo-Bar design and installation Lag 330-1 were reviewed in Thermo-Lag 330-1 Fire Barriers requirements for Thermolag 330- SSER18 and accepted in NRC 1 fire barrier system and evaluate letter dated January 6, 1998 the Thermolag currently installed (includes a supplemental SE).

in Unit 2.

2) Remove and replace, as required, or prepare an approved deviation. (OV)