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Carlsbad Can Contribute!

Committed to Hosting Physics Experiments in the WIPP Underground. Carlsbad Can Contribute!. Roger Nelson Carlsbad Field Office US Department of Energy. If extreme depth is not critical, WIPP offers many advantages…. WIPP is an engineered underground facility (not a mine )

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Carlsbad Can Contribute!

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  1. Committed to Hosting Physics Experiments in the WIPP Underground Carlsbad Can Contribute! Roger NelsonCarlsbad Field OfficeUS Department of Energy

  2. If extreme depth is not critical, WIPP offers many advantages…. • WIPP is an engineered underground facility (not a mine ) • Operating facility avoids high start-up expenditures, • Underground operations and infrastructure support “subsidized” by waste disposal mission, • Phased growth accommodates planning and accommodation of changing needs, • Salt excavation is easy and inexpensive, • High quality excavations are routine • No water in rock mass or underfoot, and • Experiments need little shielding from host rock: • U ~ 30ppb; Th ~ 80ppb; K-40 ~ 170ppb; Rn ~ 0.5 pCi/l

  3. Existing WIPP Infrastructure Hoist Operations Fabrication Services Mine Rescue I/H Services Fire Protection Services Electrical Services Engineering Support Warehouse/Receiving Services Analytical Services (chem+rad) Office Support & Services Ventilation Services Muck Removal & Disposal Toilet Services Forklifts (5 - 40 ton) Haul Trucks Personnel Carts Liquid Nitrogen U/G + Surface LAN - 10BaseT 72-strand Fiber Optic to U/G Compressed Air Fire Suppression Meeting Rooms Cafeteria Showers & Lockers 3Ø - 480 VAC power U/G Shop Surface Shop (available to physics projects)

  4. Existing Facility (~2000 m.w.e.) Maximum Depth Possible Near WIPP (~3900 m.w.e.) Stratigraphy @ WIPP

  5. WIPP’s CurrentExperiment Gallery in North Area of the Underground (Minimal Scientific Infrastructure)

  6. Typical Real Estate Available in New Experiment Gallery • Issues?: • unlighted • power dist. • fiber optics • ventilation • traffic • dust

  7. Continuous Drum Excavation Is Fast & Cost Effective

  8. 10 x 4 x 100 m ~ 3 weeks

  9. What’s In It for DOE and WIPP? DOE is a “science” agency - EM sincerely wants to help SC foster that role by providing a robust and cost effective opportunity for the research community. • Secondary Benefits: • Science experiments at the WIPP can shift public/media perception that the WIPP is nothing more than a nuclear waste “dump”. • A science mission could play a key role in recruiting, retaining, and developing talent in Carlsbad. • Positive impact on the regional economy, brings new researchers and grant money, and creates new support jobs in the private sector. • U.S. taxpayers will benefit by maximizing their return on WIPP investment.

  10. Option 2Gran-Sasso-Scale Halls at 700m No New Shafts(~WIPP depth) ~ $8 Million

  11. Option 3: Go deep @ WIPP ~3900 m.w.e. (~$75 Million)

  12. Option 3 Go deep @ WIPP (~$75 Million)

  13. Carlsbad Field Office Commitment to Host Science at WIPP • Secretary of Energy creates CBFO - multiple missions with support to physics experiments in WIPP underground - see: • http://www.wipp.ws/science • DOE conducts Environmental Assessment - determines no significant impact: • http://www.wipp.ws/library/ea/ea.htm • CBFO re-opens northern reaches of WIPP underground and prepares it for use by experimenters

  14. Summary & Conclusions • Senator Domenici asked DOE to evaluate whether WIPP could “go deep” w/o affecting long term repository performance • DOE evaluating impact of going “deep” at WIPP • EPA to review and concur • Completion of Experiment Gallery ~ June ‘02 • Researchers active in planning experiments at WIPP: - OMNIS - OSU/UCLA - LANNDD - UT Dallas/UCLA - Majorana - PNNL/TUNL - Detector Development - LANL - Pressurize He TPC - Wayne State - EXO - Stanford (funded ~$1M)

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