ML16217A075

Presentation Regarding Proposed One-Time Extension of Technical Specification Surveillance Requirements

ML16217A075
Person / Time
Site:	Watts Bar
Issue date:	08/04/2016
From:	Tennessee Valley Authority
To:	Office of Nuclear Reactor Regulation
Schaaf R, 415-6020
References
Download: ML16217A075 (15)

Text

Watts Bar Nuclear Plant Unit 2 Surveillance Requirement Extensions August 4, 2016

Agenda

• Opening Remarks

• Purpose of Request

• Request Extension of Selected Mode 5 18-Month Surveillance Requirement Frequencies for Watts Bar Nuclear Plant, Unit 2

• Scope of Request

• Proposed Technical Specification Surveillance Requirements Extensions

• Potential Technical Requirements Manual (TRM) Technical Surveillance Requirements Extension Request

• Potential Fire Protection Report (FPR) Test and Inspection Requirements Extension Request

• Potential Local Leak Rate Testing Appendix J Exemption Request

• Submittal

• Submittal Structure

• Evaluation Method

• Precedents

• Submittal Schedule

• Summary Watts Bar Nuclear Plant, Unit 2 SR Extensions l 2

Opening Remarks Watts Bar Nuclear Plant, Unit 2 SR Extensions l 3

Purpose of Request

• Watts Bar Nuclear Plant Unit 2 Startup Schedule

• Startup Testing and Surveillance Completion Watts Bar Nuclear Plant, Unit 2 SR Extensions l 4

Scope of Request

• Mode 5 18-Month Surveillance Requirements (SRs) Requesting Extension

• 72 Items

• 37 Surveillance Requirements

• Types of Surveillances

• Trip Actuating Device Operational Test (TADOT)

• Slave Relay Tests

• Response Time Tests

• Calibrations

• Pumps/Valves/Trains Actuate

• Potential Local Leak Rate Testing Extension Request

• 4 penetrations Watts Bar Nuclear Plant l 5

Scope of Request

• Other Surveillances Tests Being Evaluated

• TRM Technical Surveillance Requirements (TSRs) Requesting Extensions

• 24 Items

• 5 TSRs

• FPR Testing and Inspection Requirements (TIRs) Requesting Extensions

• 6 Items Watts Bar Nuclear Plant l 6

Submittal

• Submittal Structure Change Reflected in new License Condition(s)

Evaluations included as Separate Attachments

• Evaluation Method(s)

Generic Letter 91-04 Used previous Precedent Watts Bar Nuclear Plant, Unit 2 SR Extensions l 7

Proposed License Condition 2.C.(11) Surveillance Test Interval Relaxation "In lieu of the specified frequencies contained in Appendix A, TVA may complete the surveillance requirements noted in Table 2.C.(11) during the fall 2017 refueling outage, but not later than October 17, 2017."

Watts Bar Nuclear Plant, Unit 2 SR Extensions l 8

License Condition Table Example Table 2.C.(11)

Surveillance Function (if Applicable) Description Requirement 3.3.1.13 Safety Injection (SI) Input from Engineered Safety Feature 15 (TADOT) Actuation System (ESFAS) 1.b Safety Injection Automatic Actuation Logic and Actuation Relays 2.b Containment Spray Automatic Actuation Logic and Actuation Relays 3.a(2) Containment Isolation Phase A Isolation Automatic Actuation Logic and Actuation Relays 3.b(2) Containment Isolation Phase B Isolation Automatic Actuation 3.3.2.5 (Slave Logic and Actuation Relays Relay Test) 4.b Steam Line Isolation Automatic Actuation Logic and Actuation Relays 5.a Turbine Trip and Feedwater Isolation Automatic Actuation Logic and Actuation Relays 6.a Auxiliary Feedwater Automatic Actuation Logic and Actuation Relays 7.a Automatic Switchover to Containment Sump Automatic Actuation Logic and Actuation Relays Watts Bar Nuclear Plant, Unit 2 SR Extensions l 9

Typical Evaluation Format

• SR [x.x.x.x], Function x.x.x, [TITLE]

• Surveillance Interval Extension

• Extension Request

• Description

• Background

• Testing & Reliability of Affected Components

• Conclusion Watts Bar Nuclear Plant, Unit 2 SR Extensions l 10

Submittal

• Precedent

• 2014-02-10 Ft Calhoun LAR ML14041A408

• RPS & ESFAS Extensions

• TADOT

• Actuation Logic test

• Diesel Generators

• 2008-12-22 Browns Ferry Nuclear Plant LAR (ML083650109)

• RPS & ESFAS Extensions

• 2008-12-08 River Bend LAR (ML083460043)

• TADOT

• Actuation Logic Test

• 2006-02-06 Kewaunee LAR (ML060450487)

• RPS & ESFAS Extensions

• License Condition

• Diesel Generators

• 1999-12-16 Clinton LAR (ML993560163)

• RPS & ESFAS Extensions

• Diesel Generators

• Pumps/Valves Actuate Watts Bar Nuclear Plant, Unit 2 SR Extensions l 11

Submittal Schedule

• Anticipated Submittal Date

• August 26, 2016

• NRC Acceptance

• Meetings/Teleconferences With NRC Staff

• Beginning of October

• Requested Approval Date and Reason

• February 15, 2017

• First SR Expires February 24, 2017

• Reactor Coolant System Hot Leg Temperature Instrument Calibration (SR 3.3.4.3, Function 4.a)

Watts Bar Nuclear Plant, Unit 2 SR Extensions l 12

Summary

• Purpose of Request

• Requested Extensions

• Submittal Makeup

• Schedule Watts Bar Nuclear Plant, Unit 2 SR Extensions l 13

Closing Remarks Watts Bar Nuclear Plant, Unit 2 SR Extensions l 14

Questions?