ML070720234
| ML070720234 | |
| Person / Time | |
|---|---|
| Site: | Bellefonte  |
| Issue date: | 07/11/2006 |
| From: | NuStart Energy Development |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| Download: ML070720234 (29) | |
Text
NuStartEfl ergysm NuStart Bellefonte Nuclear Project NRC Onsite Review Site Characterization Activities July 10-11, 2006 NuStart Energy Development, LLC - All Rights Reserved
NuStartEnergy, Project Introduction & Agenda
" Project introduction - Peter Hastings (NuStart)
" Introductions
" Project Background and Status
" Site orientation - Jim Chardos (TVA)
" Site safety briefing
- Logistics
- Site tour
- Project Organization and QA - Joe Mancinelli (Enercon)
" Site Investigations Overview - Bill Godwin (WLA)
July 10-11, 2006 2
NuStartEnergym Project Background
" December, 1974 - CP issued for Bellefonte Units 1&2
" August, 2005 - ABWR study of Bellefonte under DOE's NP2010 Program
" September, 2005 - NuStart selects Grand Gulf & Bellefonte for COLAs
" December, 2005 - TVA notifies NRC that Bellefonte 1&2 in terminated status
" April, 2006 - Site Geotechnical Activities Initiated July 10-11, 2006 3 July 10-11, 2006 3
/__* --- NuStartEnergy,m Overview of Current Status
" Site characterization underway
" Current geotechnical/groundwater activities as of July 2006
" Surface water sampling and other environmental baselining activities in progress
" Meteorological data collection initiated May 2006
" Application submittal Fourth Quarter 2007
" NuStart Providing Leadership to Maximize Standardization for AP1000 COL Applications July 10-11, 2006 4
NuStartEnergy.
o m o no 1=s I=
Site Layout
- - NuStartEnergy.
Existing Plant Structures
NuStartEnergym Project Organization Site Geotechnical Investigations NuStart Energy Tennessee Valley 1--------- Authority Enercon Services COLA Development I
I I WLA MACTEC Site Seismic & Geologic Geotechnical Characterization Characterization I
Support Support Subcontractors Subcontractors July 10-11, 2006 7
NuStartEnergysm Project Organization Responsibilities Site Geotechnical Investigations
" NuStart Energy
- Overall direction and management of COLA preparation
" Tennessee Valley Authority
- Site owner; interface as necessary with NuStart Energy
" Enercon Services, Inc.
- COL Application contractor for NuStart Energy
- Providing QA oversight for geotechnical investigation activities as well as managing interface with site owner
" Enercon Subcontractors
" William Lettis & Associates, Inc. (WLA) - Provides Overall Technical Direction for Geological, Geotechnical and Seismological Consultants
- MACTEC Engineering and Consulting - Implementation of Site Investigation Activities, Laboratory Testing and Geotechnical Analyses July 10-11, 2006 8
SNuStartEnergy.m Project Organization Responsibilities Site Geotechnical Investigations (cont'd)
" MACTEC and WLA share field project management responsibilities for geotechnical and geologic data collection tasks
" MACTEC Site Coordinator provides supervision of the day-to-day field activities
" The Rig Geologist has full-time assignment with a drill rig operation The Rig Geologist duties include:
[] Ensure that drilling or testing operations are conducted in conformance with specified procedures Documentation of borehole sampling and testing Maintaining field log for boring, including classification of materials recovered and recovery and RQD measurements for rock core Chain-of-custody document preparation and logging samples July 10-11, 2006 9
1111- NuStartEnergy.
Site Investigation/Data Colletion Quality Assurance tart"E"R Enercon QA Program MACTEC QA Program FEnercon QAPPD Project Geotechnical - Geotechnical DCP Work Plan Work
Contracted to perform work under Enercon QA program Instructions
- Qualification of contractor/subcontractor QA program
- - Review of Quality Assurance Plan Flowdown of requirements Interrelationship between documents
I PNuStart Energysm Quality Assurance
" NuStart contracted Enercon Services to perform COLA development under the Enercon Services' QA Program
" COLA work by Enercon Services is performed under the Enercon Services' Quality Assurance Project Plan Document
" Engineering analysis performed by William Lettis & Associates and MACTEC is performed under the Enercon Services' Quality Assurance Project Plan Document
" Enercon qualified the MACTEC Quality Assurance Program Enercon reviewed and approved MACTEC's Project Quality Assurance Plan
- Geotechnical field investigation and laboratory testing by MACTEC is performed under the MACTEC Quality Assurance Project Document
- Geotechnical field work by William Lettis & Associates is performed under the MACTEC Quality Assurance Project Document July 10-11, 2006 11
2 NuStartEnlergym Site Geotechnical Investigatio sU Data Collection Objectives
- Confirm and demonstrate applicability of field data from previous limited exploration m Limited data in current proposed location
- Obtain new data in safety related areas to meet
" Updated NRC guidelines
- Vendor DCD requirements
" Soil Structure Interaction (SSI) requirements
- Collect new data on certain non-safety related areas
- Surface water sampling for characterization and quality
- Groundwater sampling Site characterization Current conditions July 10-11, 2006 12
NuStartEnergym.
Three Well Cluster - Under Construction
NuStartEnergym Sampling Operations
_ ______NuStart Energy.m Geologic & Geotechnical Site Characterization Scope
" Perform geological, geotechnical and geophysical exploration program to confirm and refine:
" site stratigraphy and groundwater conditions
" static and dynamic soil and rock properties
" site geohazards and foundation conditions
" Evaluate variability of site conditions and soil and rock parameters
" Evaluate site suitability with respect to regulatory guidance and reactor vendor DCD
" Update, as required, site soil profile, site response, and SSE
- Characterize possible seismic and/or geotechnical hazards and evaluate mitigating measures July 10-11, 2006 15
NuStartEnergy.
Regional Geologic Setting BUo.,te Sits N
A
NuStartEnerg.
Site Geology
- I~c A
CrfNt c-)
I ,
Y
'Reservoir AN 0 875
- ~Feet 1=750
NuStartEnergy, Field Exploration Methods
" Standard Penetration Testing (SPT)
- Spectral Analysis Of Surface Waves
" Rock Coring (NQ, HQ sizes) (SASW) (13 planned)
" Borehole Goodman Jack Testing
- Borehole Packer Testing (16 planned, (3 completed) 7 completed)
" Seismic downhole and P-S Suspension
- Cone Penetration Test (CPT) Soundings velocity measurements (8 planned) (15 static and 2 seismic planned)
" Borehole Televiewer Profiles (18 " Monitoring Wells (Observation Wells) planned, 10 completed) (17 clusters installed)
" Seismic Refraction and Gravity " Geologic Mapping (14,000 LF planned, 6000LF " Test Pit Excavation and Mapping underway) (16 planned)
July 10-11, 2006 20
NuStartEnergym Geotechnical Laboratory Testing
" Geotechnical Index Measurement
" Geotechnical Strength Testing
" Dynamic Testing (UTEX)
July 10-11, 2006 21
NuStartEnergy.m Lab Testing Program GEOTECHNICAL INDEX SOIL DYNAMIC TESTING Moisture Content X-ray of UD Samples Prior to Shipping to Austin Resonant Column/Torsional Shear Testing Specific Gravity (performed at the University of Texas - Austin)
X-Ray Diffraction/Mineralogy Grain size Mechanical Grain size Atterberg Limits and Indices (soil)
Slaking Durability (core)
Organic Content July 10-11, 2006 22
NuStartEnergy, Lab Testing Program (Cont'd)
GEOTECHNICAL PROPERTIES GEOTFC(7INICAL PROPERTIES v
- v
- Petrographic Thin Section Consolidation Unconfined Compression (core) Corrosion Unconfined Compression with modulus Proctor (core)
California Bearing Ratio (CBR) Test Unit Weight (core)
Triaxial CU (3-point)
Triaxial SCUE (3-point) - Remolded Direct Shear (3-point)
July 10-11, 2006 23
NuStartEnergy.m Geotechnical Borehole Procedure
" Work Instructions issued to drilling companies and Rig Geologists defining duties
" Boring Assignments for each borehole prepared by MACTEC Site Coordinator with Principal (WLA/MACTEC) review; Boring assignments specify:
- Boring location and Type
- Boring depth and required testing
- Boring Completion
" TVA personnel review drill site and provide excavation permit
" Rig Geologist directs Drill Crew to prepare drill site and instructs drill crew to prepare and perform as per Boring Assignment
" Rig Geologist monitors drilling, describes samples, maintains field log
" Modifications to Boring Assignment instructions, if needed, reviewed and approved by Site Coordinator
" Samples transported to site storage facility at end of day July 10-11, 2006 24
NuStartEnergym Monitoring Wells Installation Procedure
" Hydrology Lead directs boring layout using GPS methods
" TVA personnel provide clearance for drilling
" Site Coordinator prepares Boring Assignment for lithologic boring and gives to Rig Geologist
" Rig Geologist and drill crew executes the Boring Assignment using procedures referenced in Work Plan, logging boring and submitting samples and cores for on-site storage
" Hydrology Lead reviews boring logs for well design and provides well construction plan to Site Coordinator
" Site Coordinator prepares Boring Assignment for monitoring well installation and gives to well crew and Enercon observer
" Drill crew installs under Enercon observation July 10-11, 2006 25
/- NuStartEnergym Beginning of Day Activities
" Daily group safety briefing at field office before leaving for assignment
" Rig Geologist conducts morning crew safety meeting and inspection of equipment with operator
" Rig Geologist completes safety inspection checklist
" Review Work Assignments for the day July 10-11, 2006 26
NuStartEnergysm End of Day Activities
" Return field records and all samples to the on-site storage facility
- Complete sample inventory forms and place samples in Storage Facility
" Partially completed field records copied to assure data backup
" Completed originals remain in locked file cabinets until checked, duplicated for site file, and original record transported to secure file cabinet at MACTEC's Raleigh, NC office July 10-11, 2006 27
______NuStart Energysm Data Transmittal
- At appropriate intervals (generally at end of each 10-day shift), Site Coordinator prepares package of collected data and transmits or transports originals to secure file cabinet at MACTEC's Raleigh, NC office
- Selected soil and rock specimens are transported under Chain of Custody to appropriate laboratory for testing July 10-11, 2006 28
/* NuStart Energy*
Site Activities Current (week of 10 July 2006)
[] Geotechnical Borings
- 4 Borings in progress (Power Block and general yard areas)
- 80 of 100 borings complete
" P-S Suspension Logging E B-1005 (Unit 3) and B-1034 (Unit 4)
" Surface Geophysics
" Phase 1 seismic refraction (night shift)
- Micro-gravity survey to start soon
" Groundwater Monitoring and Sampling m 49 monitoring wells have been installed in 17 clusters N 10 wells are being sampled a All monitoring wells will have GW level measurements
- 12 observation wells installed for pump testing July 10-11, 2006 29
/___
- NuStartEnergy,*
Boreholes B-1005 and B-1034
" B-1005 and B-1034 are power block borings that:
- Centered in containment structures of nuclear island
" Obtain new data to meet
" Updated NRC guidelines
" Vendor DCD requirement
" Soil Structure Interaction (SSI) requirements
" The following geotechnical tests are planned for B-1005 and B-1034 m Seismic downhole velocity measurements (P-S logging)
" In-situ testing on nearby primary borings
" Borehole Televiewer profiles
" Borehole Packer testing
- Goodman Jack testing July 10-11, 2006 30
______NuStart Energ*y. m
SUMMARY
" Schedule c] Started field exploration April, complete mid-August, ahead of schedule
" Safety o First Priority-No significant incidents or injuries
- No Unanticipated Conditions
- Project Organization o Communication and oversight at management and field level
- Quality Assurance o Data Collection Objectives and Implementation July 10-11, 2006 31 July 10-11, 2006 31