california sites geology and environmental issues · california sites & geology • n –s...

Linear Collider JP-US Collaboration8th International Study Group

California SitesGeology and Environmental

Issues

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TopicsTopics

•• California GeologyCalifornia Geology•• Virtual Construction Progress Virtual Construction Progress •• Environmental Factors and IssuesEnvironmental Factors and Issues

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California Sites & GeologyCalifornia Sites & Geology

•• N N ––S along Eastern Slope S along Eastern Slope of Coastal Rangeof Coastal Range

•• Near Surface Soft Near Surface Soft Competent RockCompetent Rock

•• Native California Native California SandstonesSandstones

•• BLM Federally ControlledBLM Federally Controlled

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West edge of California’s West edge of California’s Great ValleyGreat Valley

•• Great Valley Sequence Great Valley Sequence outcropsoutcrops

•• Ridge formingRidge forming

•• East dippingEast dipping

•• Uniform in thicknessUniform in thickness

•• Good for C&C or TBMGood for C&C or TBM

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California Basement RocksCalifornia Basement Rocks

•• Good Sites in the GreenGood Sites in the Green

•• Great Valley SequenceGreat Valley Sequence

•• Soft Competent RockSoft Competent Rock

•• Self SupportingSelf Supporting

•• Good for C&C or TBMGood for C&C or TBM

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Typical Site Typical Site Seismicity Seismicity in in Eastern Slope FoothillsEastern Slope Foothills

•• 25 Year Peak Horizontal 25 Year Peak Horizontal Motion ~ 0.1gMotion ~ 0.1g

•• 1 Year Peak Horizontal 1 Year Peak Horizontal Motion ~0.02gMotion ~0.02g

•• Active Near Fault Slip Rate Active Near Fault Slip Rate 0.1mm/yr 7 km Away0.1mm/yr 7 km Away

•• With +/With +/-- 1.5mm Magnet 1.5mm Magnet Mover Control RangeMover Control Range

•• Adequate & Acceptable Adequate & Acceptable for for 9 Month Physics Runs9 Month Physics Runs

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Site 135Site 135

Surface Access Surface Access Cut & CoverCut & Coverw/ Prew/ Pre--castcastHousingHousing

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127

UCD

LBNL

LLNL

SLAC

Site 127Site 127

Shallow BoredShallow BoredTunnel w/ Lateral Tunnel w/ Lateral

AccessAccess

•• SLACSLAC•• LLNLLLNL•• LBNLLBNL•• UCDUCD

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NLC CA 127 & 135 Construction (virtual)NLC CA 127 & 135 Construction (virtual)•• Initial Fast Surface Flyovers CompletedInitial Fast Surface Flyovers Completed

•• StopStop--nn--Go Inspection Flights OverGo Inspection Flights Over--UnderUnder--Through the Site(s) will Optimize Alignment Through the Site(s) will Optimize Alignment & Access where Opportunities are Revealed & Access where Opportunities are Revealed

•• Working in 3D low resolution Working in 3D low resolution greyscalegreyscale•• DumbedDumbed Down to Speed Digital ProcessingDown to Speed Digital Processing•• Color & High Resolution to be Added Last Color & High Resolution to be Added Last

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Two California SitesTwo California Sites•• Site 127Site 127

Bored Tunnel Housing in Sandstone BedrockBored Tunnel Housing in Sandstone Bedrock

•• Site 135Site 135

Cut & Cover PreCut & Cover Pre--Cast Housing in Sandstone on Cast Housing in Sandstone on Bedrock Bedrock

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Virtual flyVirtual fly--oversovers

•• Digital Digital Orthograph Orthograph QuadsQuads•• Elevation ModelsElevation Models•• Topographic MapsTopographic Maps•• AutoCAD DrawingsAutoCAD Drawings•• 33--Dimensional ModelsDimensional Models


CA 135 LoCA 135 Lo--Res GreyscaleRes Greyscale 3D Hi View 3D Hi View -- South East South East n of n - Name 06.24.02


CA Site 135 Sandstone Cut & Cover CA Site 135 Sandstone Cut & Cover -- 2D Art View West 2D Art View West

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CA 135 LoCA 135 Lo--Res GreyscaleRes Greyscale 3D 3D -- Lo View South South East Lo View South South East n of n - Name 06.24.02


CA 135 LoCA 135 Lo--ResRes GreyscaleGreyscale 3D 3D -- Near View South WestNear View South West

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CA 127 Digitized LoCA 127 Digitized Lo--ResRes GreyscaleGreyscale 3D 3D -- Hi View South East Hi View South East n of n - Name 06.24.02


CA Site 127 Sandstone Bored Tunnel CA Site 127 Sandstone Bored Tunnel –– 2D Art View West2D Art View West

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CA 127 LoCA 127 Lo--ResRes GreyscaleGreyscale 3D 3D -- Near View WestNear View Westn of n - Name 06.24.02


NLC CA 127 & 135 Construction status (virtual)NLC CA 127 & 135 Construction status (virtual)

•• InstallingTunnelsInstallingTunnels, Ramps, Housings, etc., Ramps, Housings, etc.•• ActualActual Geography, Geology, Roads, BuildingsGeography, Geology, Roads, Buildings•• RealReal Housing and Access DesignsHousing and Access Designs

•• Select, Position & Optimize Housing Alignment Select, Position & Optimize Housing Alignment Elevation, and AccessElevation, and Access

•• Drag & Drop Whole MachineDrag & Drop Whole Machine

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Inserting 3D Geology Into Model from Plans & SectionsInserting 3D Geology Into Model from Plans & Sections

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Inserting PublicInserting Public--Private Surface Parcels Private Surface Parcels

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Inserting 3D Structures from First DesignsInserting 3D Structures from First Designs

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CA 127 Vertical Access to Beam Tunnel & Support TunnelsCA 127 Vertical Access to Beam Tunnel & Support Tunnels


Inserting Plans & Elevations from First DesignsInserting Plans & Elevations from First Designs

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CA 127 Simple Housing AccessCA 127 Simple Housing Accessn of n - Name 06.24.02


CA 127 Less Direct Housing Access CA 127 Less Direct Housing Access n of n - Name 06.24.02


CA 127 Complex 2X Housing Access CA 127 Complex 2X Housing Access n of n - Name 06.24.02


CA 135 C&C Experimental Halls, Access Ramps, Dumps & CA 135 C&C Experimental Halls, Access Ramps, Dumps & Muon Muon SpoilersSpoilers

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CA Site 127 CA Site 127


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• EPA – Environmental Protection Agency• NEPA – National Environmental Policy Act (1969)• EIS – Environmental Impact Statement

• Cal-EPA • CEQA – California Environmental Quality Act (1970)• EIR – Environmental Impact Report


NLC prepares a detailed description of proposed projectSubmits application for “permit to build” to public agencyPublic agency has 30-days to review application for completeness

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Inform governmental decision-makers/public of potential, significant environmental effects of proposed activitiesIdentify the ways that environmental damage can be avoided or significantly reduced

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Environmental FactorsEnvironmental Factors•• AestheticsAesthetics•• Biological ResourcesBiological Resources•• Hazards & Hazardous MaterialsHazards & Hazardous Materials•• Agricultural resourcesAgricultural resources•• Cultural resourcesCultural resources•• Hydrology/Water QualityHydrology/Water Quality•• Air QualityAir Quality•• Geology/Soils/PaleontologyGeology/Soils/Paleontology


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Environmental Factors (cont’d…)Environmental Factors (cont’d…)•• Land use/PlanningLand use/Planning•• Mineral resourcesMineral resources•• Public servicesPublic services•• Utilities/Services systemsUtilities/Services systems•• NoiseNoise•• RecreationRecreation•• Population/HousingPopulation/Housing•• Transportation/TrafficTransportation/Traffic


End

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california sites geology and environmental issues · california sites & geology • n –s...

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