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{{#Wiki_filter:4 TXU Power Comanche Peak Site NRC Onsite Review Site Geotechnical Investigation Activities 12-13 December 2006 Agenda and Introduction | {{#Wiki_filter:4 TXU Power Comanche Peak Site NRC Onsite Review Site Geotechnical Investigation Activities 12-13 December 2006 | ||
Agenda and Introduction | |||
* Project Introduction | * Project Introduction | ||
-Introductions | - Introductions | ||
-Project Background and Status* Project Organization and QA* Site Investigations Overview* Site Orientation | - Project Background and Status | ||
-Site safety briefing-Logistics-Site tour Comanche Peak Site Background" Multiple reactor technologies considered | * Project Organization and QA | ||
* Site Investigations Overview | |||
* Site Orientation | |||
- Site safety briefing | |||
- Logistics | |||
- Site tour | |||
Comanche Peak Site Background | |||
" Multiple reactor technologies considered | |||
* Plant placement designs were developed that enveloped potential reactor technologies | * Plant placement designs were developed that enveloped potential reactor technologies | ||
* Multiple placements on the Comanche Peak site were considered before current placement selected* Geotechnical investigation commenced on borings common to all potential reactor technologies (Phase 1)* Geotechnical investigations will finalize site characterization after the reactor technology is selected (Phase 2)* Hydrogeological investigation | * Multiple placements on the Comanche Peak site were considered before current placement selected | ||
-including well development performed to investigate groundwater conditions Project Organization Site Geotechnical Investigations TXU Power Enercon Services COLA Development WLA Fugro Seismic, Geologic & Site Geotechnical Geotechnical Characterization Investigations T Support Subcontractors | * Geotechnical investigation commenced on borings common to all potential reactor technologies (Phase 1) | ||
* TXU Power-Site owner* Enercon Services, Inc.-COLA contractor for TXU Power-Providing QA oversight for geotechnical investigation activities as well as managing interface with site owner* Enercon Subcontractors | * Geotechnical investigations will finalize site characterization after the reactor technology is selected (Phase 2) | ||
-William Lettis & Associates, Inc. (WLA) -Provides Overall Technical Direction for Geological, Geotechnical and Seismological Studies-Fugro -Implementation of Site Characterization Activities; i.e., Drilling, Well Installation, Laboratory Testing, Geotechnical Engineering Services Site Investigation/Data Collection Quality Assurance I TXU Power I I Enercon QA Program I Contracted to perform work under LEnercon QA program]I | * Hydrogeological investigation - including well development performed to investigate groundwater conditions | ||
*Document Control Register JI Quality Assurance* TXU contracted Enercon Services to perform COLA development under the Enercon Services' QA Program* Geotechnical field investigation, laboratory testing, and engineering analysis performed by William Lettis &Associates and Fugro is performed under the Enercon Services' Quality Assurance Project Plan Geologic and Geotechnical Site Characterization | |||
* Characterize subsurface with existing (FSAR) and new data* Sufficient new exploration to confirm and refine site stratigraphy | Project Organization Site Geotechnical Investigations TXU Power Enercon Services COLA Development WLA Fugro Seismic, Geologic & Site Geotechnical Geotechnical Characterization Investigations T | ||
Support Support Subcontractors Subcontractors | |||
Project Organization Responsibilities Site Geotechnical Investigations | |||
* TXU Power | |||
- Site owner | |||
* Enercon Services, Inc. | |||
- COLA contractor for TXU Power | |||
- 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 Studies | |||
- Fugro - Implementation of Site Characterization Activities; i.e., | |||
Drilling, Well Installation, Laboratory Testing, Geotechnical Engineering Services | |||
Site Investigation/Data Collection Quality Assurance I TXU Power I I | |||
I, Enercon QA Program I Contracted to perform work under LEnercon QA program ] | |||
I Plan Document Enercon QA Project | |||
[ Enercon Project Instruction (P1-02) 4-I- | |||
Includes drilling, well installation, surface and downhole geophysical testing, geologic mapping, and laboratory testing. | |||
*Data Collection Plan | |||
*Work Plan (DCP) | |||
* lnstructions-Preparation of DCP | |||
* lnstructions-Preparation of Work Plan | |||
* Instructions-Preparation of Work Instructions | |||
*Document Control Register JI | |||
Quality Assurance | |||
* TXU contracted Enercon Services to perform COLA development under the Enercon Services' QA Program | |||
* Geotechnical field investigation, laboratory testing, and engineering analysis performed by William Lettis & | |||
Associates and Fugro is performed under the Enercon Services' Quality Assurance Project Plan | |||
Geologic and Geotechnical Site Characterization | |||
* Characterize subsurface with existing (FSAR) and new data | |||
* Sufficient new exploration to confirm and refine site stratigraphy | |||
* Evaluate site subsurface variability | * Evaluate site subsurface variability | ||
* Develop site profile for ground motion response" Identify possible geologic hazards* Verify Vendor plant design parameters" Prepare Conceptual Foundation/Geotechnical Design* Characterize groundwater conditions (water table, confined aquifers, dewatering requirements) | * Develop site profile for ground motion response | ||
* Evaluate rock excavatibility and excavation support Exploration Protocol" Work will follow formal Enercon QA Program" Performed by qualified, experienced geologists/engineers" Senior Review (licensed professionals)" Formal Internal Technical Review (ITR)" Conformance to NRC RG 1.132, RG-1.138" Satisfy vendor and SSI data requirements | " Identify possible geologic hazards | ||
* owh PI*S 01o50 SOf UAI ~oCffi Pau" 0 100 200 kfn ED mm | * Verify Vendor plant design parameters | ||
!xpbusU.n | " Prepare Conceptual Foundation/Geotechnical Design | ||
-GsoIm~m Ufta jGs~Ie Mm of Tmas~-a r. Wa,~fl, ~~ -Lfl0S l a, --.#4'4 lIt --~ -a,~t a N lIt W~. a that atta, *~~~4t tatI, a,- ,~ it- fl -tatin.c.. | * Characterize groundwater conditions (water table, confined aquifers, dewatering requirements) | ||
* Evaluate rock excavatibility and excavation support | |||
dst*ed tom | |||
QUSKy (TCEQ).C ni I | Exploration Protocol | ||
* Coqane PogOf 03 M | " Work will follow formal Enercon QA Program | ||
* Groundwater Monitoring Wells (Phase 1)* Geologic Mapping (Phase 2)* Test Pit Excavation and Mapping (Phase 2) | " Performed by qualified, experienced geologists/engineers | ||
-!I V 22 --.1 1;k r --I. --- | " Senior Review (licensed professionals) | ||
'v-( | " Formal Internal Technical Review (ITR) | ||
-l II I~ h | " Conformance to NRC RG 1.132, RG-1.138 | ||
---F it.I-3. | " Satisfy vendor and SSI data requirements | ||
ffxpkwionb of0004"k~Uafts OU* i- & . 04 | |||
*- W-u-q L-w am mAWmr wo. | |||
ws. | |||
An owom Explamallon P0 -. ON Somm;. G~oIM *ad foul daft derdwd "om "in &Bekmui (1974). | |||
* owh PI*S 01o50 SOf UAI ~oCffi Pau" 0 100 200 kfn ED mm | |||
!xpbusU.n - GsoIm~m Ufta jGs~Ie Mm of Tmas~ | |||
- a | |||
: r. Wa, | |||
~fl, ~ | |||
~ - Lfl0S l a, - | |||
- .#4'4 lIt - - | |||
~ - a,~t a N | |||
lIt W~.a that atta, *~~~4t tatI, a,- ,~ it- fl - tatin.c.. - | |||
Ir*t-.a tat 345 aaatha Itrtl | |||
'atal laW 0 Cfl~flU bIll | |||
- c,.~taaaal Ittw.at '4 | |||
* U | |||
~ - - - ~taam Ia; ra flaIl atlC.l'tllat tlttttl Itlalt,, tal11ata ,a taltlal IfI t fllltall .la nl.at' bw, 11 th In.., | |||
'AOSW't alIt. ,,'4 qnbt 'tatIt twIlIt wIle a tIn., I alt.4 hAtS 'tama wet laIttOl .t*i lwtaa, 1111 ,tt.sbttl wIn ScIwttt't a. | |||
U (3w ha. tlSllS,11SS 1.51II III -latt.*lawlwlI la,gIty SIflhll'Ih | |||
'tIll atOllSlIlt atwIttIt alItI,, | |||
M' Ia lOll 51-qua NVa.tlt.SltaShl 6111 lOll ,,hlt C | |||
*4Il. 1*1 ltt,. WIth lattoata a,, MIlaS IllSIaSl,.W.t 8~irce G*.Iogyiht. dst*ed tom MwOedo~e AMa.ofTexas ~ Oval 15 fl*WtS J~II~a. tout MwTexas COKWI~SI~O.tOatEffVkOOmWt5~ QUSKy (TCEQ). | |||
C ni I | |||
* Coqane PogOf 03 2ft tilecnIss M l~ rus o | |||
Field Exploration Methods | |||
* Standard Penetration Testing | |||
* Seismic Refraction and Gravity (SPT) (Phases 1 and 2) (Phase 2) | |||
* Rock Coring (NQ, HQ sizes) | |||
* Spectral Analysis of Surface (Phases 1 and 2) Waves (SASW) (Phase 2) | |||
* Borehole Pressuremeter Testing | |||
* Borehole Packer Testing (Phase 2) | |||
(Phase 2) | |||
* Cone Penetration Test (CPT) | |||
* Seismic Downhole and P-S Soundings (Phase 2 potential) | |||
Suspension Velocity | |||
* Groundwater Monitoring Wells Measurements (Phases 1 and 2) | |||
(Phase 1) | |||
* Borehole Televiewer Profiles | |||
* Geologic Mapping (Phase 2) | |||
(Phases 1 and 2) | |||
* Gamma and Caliper Profiles | |||
* Test Pit Excavation and Mapping (Phases 1 and 2) (Phase 2) | |||
-!I V | |||
22 --. 1 1; k | |||
I r - -I. - - - 1 | |||
_____ ~~~~2 | |||
MONTHLY PROGRESS REPORT NO. 10 PERIOD ENDING AUGUST 31, 1975 2" ~"'. | |||
NUMBER 87 TEXAS UTILITIES SERVICES, INC. | |||
AUGUST 8, 1975 COMANCHE PEAK STEAM ELECTRIC STATION 1980-82 2300 MW INSTALLATION TURBINE GENERATOR AREA. BOTTOM-PUMPING CONCRETE INTO UNIT 1 CIRCULATING WATER DISCHARGE TUNNEL; TOP-SCALING SOUTH EXCAVATION WALL. VIEW TO SOUTHWEST | |||
A W 11207 -- 1120 1020- UNIT I UNIT 2 H- 1020 920 920 82 0 -, -- - ------- | |||
820-I 720 1 720 4 9j r ~~ | |||
wi¢ 15'GenRs V t z~m r I'('*11 520 - -3 ' 520 420 .--* ..... 44. 420 320- L 32 P-S 500' 100 200 300 400 500 feet Notes: | |||
0 1. Structures are schematic | |||
: 2. No vertical exaggeration Scale | |||
'v-( 1/4 0 | |||
I 7 | |||
"Iý7 | |||
- I C,~ | |||
!ýý7 | |||
-l II I | |||
~ h | |||
--- F it .I m* | |||
/ | |||
- 3. | |||
I r | |||
-/ý U A' | |||
1'~-l t | |||
~- -~ | |||
ýn | |||
*~ | |||
a,. ~-1 AI | |||
- 3 3~ | |||
2 - "~'-~ #'2 | |||
.- -~-~-* / | |||
-'.1 S N | |||
Laboratory Testing Program GEOTECHNICAL INDEX GEOTECHNICAL INDEX Moisture Content and Petrographic Thin Section Density Carbonate Content Consolidation Specific Gravity X-Ray Diffraction/Mineralogy Corrosion Grain Size Proctor Atterberg Limits and Indices California Bearing Ratio (CBR) | |||
(soil) Test Slaking Durability (core) | |||
Organic Content | |||
Laboratory Testing Program GEOTECHNICAL STRENGTH DYNAMIC TESTING Unconfined Compression (core) X-ray of UD Samples Prior to Shipping Unconfined Compression with Resonant Column/Torsional Shear Testing Modulus (core) (University of Texas - Austin) | |||
Unit Weight and Density (core) Lab Shear Wave Velocity (modulus) | |||
Triaxial CU (3-point) | |||
Direct Shear (3-point) | |||
Project Organization Responsibilities Site Geotechnical Investigations | Project Organization Responsibilities Site Geotechnical Investigations | ||
* WLA provides field project management for geotechnical and geologic data collection tasks" WLA Site Coordinator provides supervision of the day-to-day field activities | * WLA provides field project management for geotechnical and geologic data collection tasks | ||
* Rig Geologist is assigned full-time with a drill rig.Responsibilities include:-Verify drilling or testing operations are conducted in conformance with specified procedures | " WLA Site Coordinator provides supervision of the day-to-day field activities | ||
-Document sample or test depths and test results-Maintain field logs of borings, including classification of materials recovered and description of geotechnical soil properties | * Rig Geologist is assigned full-time with a drill rig. | ||
-Chain-of-custody document preparation and logging samples Geotechnical Borehole Procedure" Work Instructions issued to drilling companies and Rig Geologists defining duties* Boring Assignments for each borehole prepared by WLA Site Coordinator. | Responsibilities include: | ||
Boring assignments specify:-Boring location-Boring type-Boring depth-Required tests-Boring Completion | - Verify drilling or testing operations are conducted in conformance with specified procedures | ||
- Document sample or test depths and test results | |||
- Maintain field logs of borings, including classification of materials recovered and description of geotechnical soil properties | |||
- Chain-of-custody document preparation and logging samples | |||
Geotechnical Borehole Procedure | |||
" Work Instructions issued to drilling companies and Rig Geologists defining duties | |||
* Boring Assignments for each borehole prepared by WLA Site Coordinator. Boring assignments specify: | |||
- Boring location | |||
- Boring type | |||
- Boring depth | |||
- Required tests | |||
- Boring Completion | |||
* Rig Geologist directs Drill Crew to prepare drill site and perform drilling per Boring Assignment | * Rig Geologist directs Drill Crew to prepare drill site and perform drilling 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 | * Rig Geologist monitors drilling, describes samples, maintains field log | ||
* Samples transported to site storage facility at end of each day Current Site Activities | * Modifications to Boring Assignment instructions, if needed, reviewed and approved by Site Coordinator | ||
* Borings-22 geotechnical borings completed or in progress* Testing-Caliper-Gamma-Seismic Downhole and P-S Suspension Velocity Measurements | * Samples transported to site storage facility at end of each day | ||
-Borehole Televiewer Profiles* Monitoring Wells-20 monitoring well clusters installed Safety" Personal protective equipment requirements" Incident reporting (including near misses)* Inclement weather precautions | |||
Current Site Activities | |||
* Borings | |||
- 22 geotechnical borings completed or in progress | |||
* Testing | |||
- Caliper | |||
- Gamma | |||
- Seismic Downhole and P-S Suspension Velocity Measurements | |||
- Borehole Televiewer Profiles | |||
* Monitoring Wells | |||
- 20 monitoring well clusters installed | |||
Safety | |||
" Personal protective equipment requirements | |||
" Incident reporting (including near misses) | |||
* Inclement weather precautions | |||
* Potential hazardous insects/reptiles | * Potential hazardous insects/reptiles | ||
* Plant access requirements Q&A}} | * Plant access requirements | ||
Q&A}} |
Latest revision as of 09:34, 23 November 2019
ML070720250 | |
Person / Time | |
---|---|
Site: | Comanche Peak |
Issue date: | 12/12/2006 |
From: | TXU Power |
To: | Office of Nuclear Reactor Regulation |
References | |
Download: ML070720250 (25) | |
Text
4 TXU Power Comanche Peak Site NRC Onsite Review Site Geotechnical Investigation Activities 12-13 December 2006
Agenda and Introduction
- Project Introduction
- Introductions
- Project Background and Status
- Project Organization and QA
- Site Investigations Overview
- Site Orientation
- Site safety briefing
- Logistics
- Site tour
Comanche Peak Site Background
" Multiple reactor technologies considered
- Plant placement designs were developed that enveloped potential reactor technologies
- Multiple placements on the Comanche Peak site were considered before current placement selected
- Geotechnical investigation commenced on borings common to all potential reactor technologies (Phase 1)
- Geotechnical investigations will finalize site characterization after the reactor technology is selected (Phase 2)
- Hydrogeological investigation - including well development performed to investigate groundwater conditions
Project Organization Site Geotechnical Investigations TXU Power Enercon Services COLA Development WLA Fugro Seismic, Geologic & Site Geotechnical Geotechnical Characterization Investigations T
Support Support Subcontractors Subcontractors
Project Organization Responsibilities Site Geotechnical Investigations
- TXU Power
- Site owner
- Enercon Services, Inc.
- COLA contractor for TXU Power
- 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 Studies
- Fugro - Implementation of Site Characterization Activities; i.e.,
Drilling, Well Installation, Laboratory Testing, Geotechnical Engineering Services
Site Investigation/Data Collection Quality Assurance I TXU Power I I
I, Enercon QA Program I Contracted to perform work under LEnercon QA program ]
I Plan Document Enercon QA Project
[ Enercon Project Instruction (P1-02) 4-I-
Includes drilling, well installation, surface and downhole geophysical testing, geologic mapping, and laboratory testing.
- Data Collection Plan
- Work Plan (DCP)
- lnstructions-Preparation of DCP
- lnstructions-Preparation of Work Plan
- Instructions-Preparation of Work Instructions
- Document Control Register JI
Quality Assurance
- TXU contracted Enercon Services to perform COLA development under the Enercon Services' QA Program
- Geotechnical field investigation, laboratory testing, and engineering analysis performed by William Lettis &
Associates and Fugro is performed under the Enercon Services' Quality Assurance Project Plan
Geologic and Geotechnical Site Characterization
- Characterize subsurface with existing (FSAR) and new data
- Sufficient new exploration to confirm and refine site stratigraphy
- Evaluate site subsurface variability
- Develop site profile for ground motion response
" Identify possible geologic hazards
- Verify Vendor plant design parameters
" Prepare Conceptual Foundation/Geotechnical Design
- Characterize groundwater conditions (water table, confined aquifers, dewatering requirements)
- Evaluate rock excavatibility and excavation support
Exploration Protocol
" Work will follow formal Enercon QA Program
" Performed by qualified, experienced geologists/engineers
" Senior Review (licensed professionals)
" Formal Internal Technical Review (ITR)
" Conformance to NRC RG 1.132, RG-1.138
" Satisfy vendor and SSI data requirements
ffxpkwionb of0004"k~Uafts OU* i- & . 04
- - W-u-q L-w am mAWmr wo.
ws.
An owom Explamallon P0 -. ON Somm;. G~oIM *ad foul daft derdwd "om "in &Bekmui (1974).
- owh PI*S 01o50 SOf UAI ~oCffi Pau" 0 100 200 kfn ED mm
!xpbusU.n - GsoIm~m Ufta jGs~Ie Mm of Tmas~
- a
- r. Wa,
~fl, ~
~ - Lfl0S l a, -
- .#4'4 lIt - -
~ - a,~t a N
lIt W~.a that atta, *~~~4t tatI, a,- ,~ it- fl - tatin.c.. -
Ir*t-.a tat 345 aaatha Itrtl
'atal laW 0 Cfl~flU bIll
- c,.~taaaal Ittw.at '4
- U
~ - - - ~taam Ia; ra flaIl atlC.l'tllat tlttttl Itlalt,, tal11ata ,a taltlal IfI t fllltall .la nl.at' bw, 11 th In..,
'AOSW't alIt. ,,'4 qnbt 'tatIt twIlIt wIle a tIn., I alt.4 hAtS 'tama wet laIttOl .t*i lwtaa, 1111 ,tt.sbttl wIn ScIwttt't a.
U (3w ha. tlSllS,11SS 1.51II III -latt.*lawlwlI la,gIty SIflhll'Ih
'tIll atOllSlIlt atwIttIt alItI,,
M' Ia lOll 51-qua NVa.tlt.SltaShl 6111 lOll ,,hlt C
- 4Il. 1*1 ltt,. WIth lattoata a,, MIlaS IllSIaSl,.W.t 8~irce G*.Iogyiht. dst*ed tom MwOedo~e AMa.ofTexas ~ Oval 15 fl*WtS J~II~a. tout MwTexas COKWI~SI~O.tOatEffVkOOmWt5~ QUSKy (TCEQ).
C ni I
- Coqane PogOf 03 2ft tilecnIss M l~ rus o
Field Exploration Methods
- Standard Penetration Testing
- Seismic Refraction and Gravity (SPT) (Phases 1 and 2) (Phase 2)
- Rock Coring (NQ, HQ sizes)
- Spectral Analysis of Surface (Phases 1 and 2) Waves (SASW) (Phase 2)
- Borehole Pressuremeter Testing
- Borehole Packer Testing (Phase 2)
(Phase 2)
- Cone Penetration Test (CPT)
- Seismic Downhole and P-S Soundings (Phase 2 potential)
Suspension Velocity
- Groundwater Monitoring Wells Measurements (Phases 1 and 2)
(Phase 1)
- Borehole Televiewer Profiles
- Geologic Mapping (Phase 2)
(Phases 1 and 2)
- Gamma and Caliper Profiles
- Test Pit Excavation and Mapping (Phases 1 and 2) (Phase 2)
-!I V
22 --. 1 1; k
I r - -I. - - - 1
_____ ~~~~2
MONTHLY PROGRESS REPORT NO. 10 PERIOD ENDING AUGUST 31, 1975 2" ~"'.
NUMBER 87 TEXAS UTILITIES SERVICES, INC.
AUGUST 8, 1975 COMANCHE PEAK STEAM ELECTRIC STATION 1980-82 2300 MW INSTALLATION TURBINE GENERATOR AREA. BOTTOM-PUMPING CONCRETE INTO UNIT 1 CIRCULATING WATER DISCHARGE TUNNEL; TOP-SCALING SOUTH EXCAVATION WALL. VIEW TO SOUTHWEST
A W 11207 -- 1120 1020- UNIT I UNIT 2 H- 1020 920 920 82 0 -, -- - -------
820-I 720 1 720 4 9j r ~~
wi¢ 15'GenRs V t z~m r I'('*11 520 - -3 ' 520 420 .--* ..... 44. 420 320- L 32 P-S 500' 100 200 300 400 500 feet Notes:
0 1. Structures are schematic
- 2. No vertical exaggeration Scale
'v-( 1/4 0
I 7
"Iý7
- I C,~
!ýý7
-l II I
~ h
--- F it .I m*
/
- 3.
I r
-/ý U A'
1'~-l t
~- -~
ýn
- ~
a,. ~-1 AI
- 3 3~
2 - "~'-~ #'2
.- -~-~-* /
-'.1 S N
Laboratory Testing Program GEOTECHNICAL INDEX GEOTECHNICAL INDEX Moisture Content and Petrographic Thin Section Density Carbonate Content Consolidation Specific Gravity X-Ray Diffraction/Mineralogy Corrosion Grain Size Proctor Atterberg Limits and Indices California Bearing Ratio (CBR)
(soil) Test Slaking Durability (core)
Organic Content
Laboratory Testing Program GEOTECHNICAL STRENGTH DYNAMIC TESTING Unconfined Compression (core) X-ray of UD Samples Prior to Shipping Unconfined Compression with Resonant Column/Torsional Shear Testing Modulus (core) (University of Texas - Austin)
Unit Weight and Density (core) Lab Shear Wave Velocity (modulus)
Triaxial CU (3-point)
Direct Shear (3-point)
Project Organization Responsibilities Site Geotechnical Investigations
- WLA provides field project management for geotechnical and geologic data collection tasks
" WLA Site Coordinator provides supervision of the day-to-day field activities
- Rig Geologist is assigned full-time with a drill rig.
Responsibilities include:
- Verify drilling or testing operations are conducted in conformance with specified procedures
- Document sample or test depths and test results
- Maintain field logs of borings, including classification of materials recovered and description of geotechnical soil properties
- Chain-of-custody document preparation and logging samples
Geotechnical Borehole Procedure
" Work Instructions issued to drilling companies and Rig Geologists defining duties
- Boring Assignments for each borehole prepared by WLA Site Coordinator. Boring assignments specify:
- Boring location
- Boring type
- Boring depth
- Required tests
- Boring Completion
- Rig Geologist directs Drill Crew to prepare drill site and perform drilling 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 each day
Current Site Activities
- Borings
- 22 geotechnical borings completed or in progress
- Testing
- Caliper
- Gamma
- Seismic Downhole and P-S Suspension Velocity Measurements
- Borehole Televiewer Profiles
- Monitoring Wells
- 20 monitoring well clusters installed
Safety
" Personal protective equipment requirements
" Incident reporting (including near misses)
- Inclement weather precautions
- Potential hazardous insects/reptiles
- Plant access requirements
Q&A