ML022410170

Slides from 08/20/02 Meeting Re Independent Spent Fuel Storage Facility

ML022410170
Person / Time
Site:	Sequoyah
Issue date:	08/20/2002
From:	Tennessee Valley Authority
To:	Office of Nuclear Reactor Regulation
References
Download: ML022410170 (28)

Text

Sequoyah Nuclear Plant Independent Spent Fuel Storage Facility TVAINRC Meeting Atlanta, GA August 20, 2002 Enclosure 2

Agenda

"* Spent Fuel Storage

"* Project Workscope

• Level 1 SQN ISFSI Schedule

• Work Scope Status

• Project Risks

• Oversight Activities

• Licensing Activities

• NRC Review Considerations

• Project Overview

• Summary Smith

Spent Fuel Storage - Background

"* SQN Spent Fuel Pool

- Common to both units

- Transfer canal and cask loading area adjacent

- Uses boral as neutron poison

- Boron concentration maintained between 2,000 and 2,700 ppm

- Pool temperature typically between 70 OF and 112 OF

"* Spent Fuel Pool Capacity

- 2,091 storage locations installed with 2,089 useable storage locations

- 8 non-fuel items stored (debris container, boral specimen array, etc.)

- 1,700 spent fuel assemblies stored in pool

- 381 open cells, but full utilization limited by TS requirements 2

Smith

Spent Fuel Storage - Background

• SQN Spent Fuel Storage Considerations

- Originally estimated loss of full core off-load capacity by Spring 2002

- Credit for SFP boron concentration extends SFP full core capacity loss to Fall 2004 - (U1C13)

- Comprehensive study of spent fuel storage options m Onsite dry cask storage determined to be best option

• Proposals, Evaluations, and Decisions

- SQN issues request for proposals from selected vendors

- TVA Board awards contract to Holtec International - April 2000

- SQN enters contract with Holtec International - June 2000 Smith 3

Spent Fuel Storage - site Location 4'4 Smith

Project Work Scope

"*Preliminary Design Activities

"*Engineering and Design

"*Site Construction

"*Hardware Fabrication and Delivery

"*Administrative Programs and Processes

"*Dry-Runs and NRC Demonstrations

"*Loading Campaign 5

Davis

Level 1 SQN ISFSI Schedule Pre-Design Activities 8/2000 4 mo Assemble Team Identify dwgs/procedures Negotiate final contract Environmental Assessment Detailed schedule development Engineering and Design 9/2002 18 mo Construction 312003 Soil structure interaction 0 Design Change Notices (DCN) 15 mo Demonstrations devlopent Workpla Start-up/Testing/NRC 320 Work plan development Actual construction activities 3/2004 Closure activities 12 mo Ops and Maint procedure dev.

Procedure revisions Training Pre-ops On site overpack fabrication Load 6 Casks 9/2004 6 mo Load, seal (close) and transport 6

Davis

Level 1 SQN ISFSI Schedule (continued) 8/2000 10 CFR 72 Subpart K Requirements 3/2004 44 mo 72.212 Evaluation Report Dose Rate Assessment FSAR Reviews 72.48 Evaluations Hardware Fabrication and Delivery 4/2003 1,

V 18 mO MPC - 32 HI-STORM 100s HI Trac 125 Stands / Platform Ancillary Equipment Davis 7

Work Scope Status - Design and Construction DCN Construction

• Railroad Bay Complete 03/12/02 (C)

Complete 07/03/02 (C)

"*Railroad Bay Egress Complete 01/15/03 (IP)

"*Work Platform Complete 09/23/02 (IP)

"* Cask Pit Stands

• ISFSI Storage Pad Complete 03/14/03 (IP)

Complete 10/15/02 (IP)

• Transport Roadway 11/01/02 (IP)

• Auxiliary Bldg Crane Upgrade 09/06/02 (IP)

Complete 03/14/03 (IP)

• Electrical Conduit &Grounding Complete 03/14/03 (IP)

• Security Lighting 8

Davis

Work Scope Status - Design and Construction

=

9 Davis

Work Scope Status - Design and Construction Davis 10

Work Scope Status - Design and Construction 11 Davis

Work Scope Status - Design and Construction Auxiliary Building Crane Upgrade 12 Davis

Work Scope Status - Fabrication and Delivery of Storage and Transportation Equipment Start Delivery

• Work Platform 09/15/02 01/20/03

• Cask Support Stands 06/24/02 09/30/02

• (1st) Multi Pu rpose Canisters 01/27/03 06/10/03

• Hi -Trac Transfer Cask 12/02/02 06/13/03 1st) Storage Overpacks 03/03/03 06/25/03

"*Cask Transporter 08/30/02 07/24/03

"*Low Profile Transporter 03/01/03 07/29/03

"*Ancillary Equipment 01/01/03 07/29/03

- Hi-Trac Lift Yoke, Welding Machine, Vacuum Drying Equipment, Helium Backfill System, and Hydrostatic Test System Davis 13

Work Scope Status - Storage Equipment Work platform Hi-Trac Transfer Cask Multi-Purp ose Canistier HI-ST4ORM 10( 3s Stor age Overcpack

-- - v I Cask Pit support stands Davis 14

Work Scope Status - Transport Equipment Typical Cask and Low Profile Transporter Davis 15

Work Scope Status Administrative Processes and Procedures Start Complete

• Internal Process Revisions 05/2002 06/2003

• 0 & M Procedures Development 09/2002 02/2003

• Training Program Development 02/2003 05/2003

"*Personnel Training 07/2003 09/2003

"*Readiness Reviews 09/2003 12/2003

• 10 CFR 72.212 Evaluations 08/2001 03/2004

• NRC Inspections and Demonstrations TBD Davis 16

Work Scope Status Administrative Processes and Procedures

"*Quality Assurance Requirements

- Revise Nuclear Quality Assurance Plan

"*Revise Radiological Emergency Plan

"*Site Security Plan

- Revise implementing procedure

• Records Requirements

- Define QA Records and retention requirements

• Procedure Control Process

- Revise procedures controlling administration of site technical procedures 17 Davis

Work Scope Status Administrative Processes and Procedures Licensing Processes

- Revise reporting requirements

- Develop new procedure to control cask certificate of compliance and cask SAR updates Engineering Processes

- Revise plant modifications and engineering change control program

- Revise qualification-list and UNID control

- Develop new procedure to address 10 CFR 72.48 change control requirements Maintenance and Operations Procedures

- Review and revise existing procedures as appropriate Davis 18

Work Scope Status Administrative Processes and Procedures

• Develop O&M Procedu res and Training Program for Loading, Sealing and Transporting

- RFP for procedures and training program developed and proposals received

- Evaluations in progress

- Award contract in late August

- Benefit of "Lessons Learned" from other utilities Davis 19

Work Scope Status - Readiness Review

• On-Going Self-Assessments

• Perform Dry-Runs of Loading, Sealing, Transporting and Storing to Verify:

- Equipment operation

- Site procedures

- Personnel qualifications

- Personnel and equipment safety

• Independent Review of Dry-Runs (Peer Reviews)

Davis 20

Project Risks Risks Countermeasures

"* Storage Equipment

• Working closely with Holtec Fabrication and Delivery to establish and maintain the Schedule schedule and quality

"* Soil Structure Interaction

• Increased TVA Engineering Methodology and Changing and Licensing oversight NRC Requirements

• Potential Changes to Site -Working closely with Site Security Security and Licensing to monitor rulemaking activities for potential security changes 21 Davis

Oversight Activities

"* Dedicated Quality Manager

- Working on both SQN and BFN ISFSI Projects

"* Quality Oversight Plan

- Developed, reviewed and concurred-with by the ISFSI Project Team and TVA's Nuclear Assurance Organization

- Oversight Plan objectives

"*Ensure Holtec, US Tool &Die, and TVA Nuclear organizations understand and effectively implement the QA attributes related to 10 CFR 72

"*Ensure industry lessons-learned are incorporated into the TVA programs

"*Identify vendor and TVA quality issues early

"*Assessments of Holtec, US Tool & Die and SQN Site Activities

"*TVAN will provide an onsite QC Inspector at US Tool & Die 22 Smith

Oversight Activities

• Participated in 2 audits of Holtec with Entergy and NUPI C

"*Assisted in the formation of Holtec Users QA Group (HUQAG)

"* Led the first joint utility surveillance of Holtec by the new HUQAG

"* On-site NA organization provide additional oversight of site activities

• On going surveillances of US Tool & Die based on work in progress

• On-site self-assessments/readiness assessments to ensure program adequacy 23 Smith

Licensing Activities

• NRC ISFSI Inspections

- Inspection of pad design adequacy prior to concrete pours

- Preoperational and Operational ISFSI Dry-Runs

- 10 CFR 72.212 Evaluation Report

- 10 CFR 72.48 Evaluations

• Submit 90-Day General License Notification to Support Spring 2004 Operation 24 Smith

NRC Review Considerations

• TVA will be revising the Radiological Emergency Plan

- Submit to NRC

• TVA is reviewing the Security Plan and submitting to NRC, as appropriate

• TVA appreciates NRC efforts towards a timely review 1 to HI-STORM 100 and approval of Amendment Certificate of Compliance 1014 LAR 2 to HI-STORM 100 COcC 1014 NRC approval of

- Critical element for SQN is update to the MPCs thermal rating

- Holtec submitted for NRC review on March 4, 2002

- TVA requests NRC approval by Spring 2003 25 Smith

Project Overview 0 Project Schedule Previously Presented to NRC on t is or June 29, 1999, August 23, 2000, and October 11, 2001 ions , / v" V /

26 Davis

Summary

• ISFSI Project is on Schedule

• NRC Inspections and Dry-Runs to be Scheduled 27