Linac Coherent Light Source-II

2 Documents in Project

Summary

SCH Number
2011124003
Lead Agency
U.S. Department of Energy
Document Title
Linac Coherent Light Source-II
Document Type
EA - Environmental Assessment
Received

Document Description
The Linac Coherent Light Source-II Project (LCLS-II) is a proposed expansion of the existing facility at the SLAC National Accelerator Laboratory (SLAC). The proposed LCLS-II project would consist of an upgrade to the existing LCLS to enhance its experimental capabilities and perform new types of experiments. These upgrades will require dismantling and removing existing equipment and utilities within Sectors 0 through 10 of the existing accelerator housing and klystron gallery and installing new superconducting accelerator equipment. It would also require upgrades to existing LCLS equipment and utilities. It would also require upgrades to existing LCLS equipment and utilities including those contained in the Beam Transport Hall (BTH), Undulator Hall (UH), Near Experimental Hall (NEH), and Far Experimental Hall (FEH). One of the upgrades would be the installation of a second beamline, which would accommodate additional researchers and allow completion of more experiments. To provide new capabilities, SLAC may construct up to two cryogenic plants to produce extremely cold liquid helium and circulate it through the superconducting accelerator equipment via new utility connections. The primary cryogenic plant would be located near Sector 4 of the existing klystron gallery and would consist of a steel-frame building to house compressors and control rooms.

Contact Information
Mitzi Heard
U.S. Department of Energy
2575 Sand Hill Rd., MS8A
Menlo Park, NV 94025

Phone : (650) 926-5704

Location

Cities
Menlo Park
Counties
San Mateo
Cross Streets
I-280/Sand Hill Rd.
Zip
94025
Parcel #
074-480-08
State Highways
I-280
Schools
5 Schools within 1 mile
Waterways
San Francisquito Creek
Township
6S
Range
3W
Section
16

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (Federal Research and Development Project)
Local Action
Other Action
Project Issues
Air Quality Archaeologic-Historic Biological Resources Economics/Jobs Geologic/Seismic Noise Population/Housing Balance Soil Erosion/Compaction/Grading Solid Waste Toxic/Hazardous Traffic/Circulation Vegetation Water Quality Water Supply Land Use Cumulative Effects
Reviewing Agencies
Air Resources Board California Department of Parks and Recreation California Energy Commission California Highway Patrol Caltrans, District 4 Department of Fish and Wildlife, Region 3 Department of Water Resources Native American Heritage Commission Office of Historic Preservation Regional Water Quality Control Board, Region 2 Resources Agency
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