cdf decommissioning status jonathan lewis d&d task force 22 november 2011
TRANSCRIPT
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CDF Decommissioning StatusJonathan Lewis
D&D Task Force
22 November 2011
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Schedule (Review)
• October-December Secure detector Recover electronics Cleanout highbays
Consolidate/remove cabinets Remove gas racks, motor-generators, etc.
• December Demolish mezzanines
• January IARC construction begins
No access to west door Recover PMTs, etc. from detector
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Schedule, cont.
• March-April Remove cable bridge
• April IARC tie-in work on north side Begin collision hall work
• Ongoing Counting room clean-up Remove process systems Life safety improvements for tours IARC integration
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Status
• Systems secured No refrigerants, flammable gas, or HV All detector power off Solenoid warm
• Clean-up in full swing Priority to recover of items useful to other efforts Throwing away CDF-specific items as we encounter
them ~30 skids out the door in the past month
• New lab space for mu2e 2nd floor work room, main floor welding area Trying to make more space soon to meet demand
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Gas racks gone
Scrap
Mezzanine ready
for demolition
MGs and test magnet
ready for removal
1st floor CR being cleared
Status 11/8
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Status Today
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Schedule Status
• Mostly on schedule West bay nearly done Mezzanine demolition delayed to January to
accommodate IARC ground breaking Need west door truck access.
East bay work rearranged Ahead on gas systems Behind on cabinet clean out More control system work than anticipated
First floor counting room pushed earlier to make equipment recovery easier
More equipment recovery work than planned Collaborators showed up at the end of the run
with requests and demands
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Issues
• Proposed experiments create significant uncertainty for D&D Protoplasma ORKA
• Cable bridge plan assumed 20-year display phase Removing bridge before detector makes detector
removal trickier• If CDF is to be rolled out in the next few years, we
should defer cable bridge removal until then Work is on hold pending guidance from the Director
• If CDF will be dismantled for experiments, how far do we go with the display plan Dismount plug?
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Coordination with IARC• Electrical
Freeing up experimental power substation Moving conduit for doorway
• Mechanical Coordinating moves of sprinkler and chilled water
pipes for interferences with interconnects, etc.• Mezzanine removal• Planning (Dervin Allen)
Tours for A&E, contractors, etc. Locating utilities, electrical circuits Reduced generator needs during utility work Evaluating access, connections
Truck access CDF roof access etc. etc. etc
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CY2012 CDF Building Improvements on D&D Budget
• Main Stairwell Remove abandoned chilled water pipes Relocate elevator pump
• 1st Floor Remove abandoned chillers, etc.
• 2nd floor Improve exits Isolate conference rooms and egress paths from
assembly area• Collision hall
Sprinklers Fire doors Exit lighting
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Backup
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Overview
• PPD is implementing Phase 1 of the DOE-approved decommissioning plan Remove all hazards related to the
experimental program Put experimental areas on display to be
included in Fermilab’s educational visitor program
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Scope• All hazards related to CDF experimental program
mitigated • 2nd floor, collision hall and adjacent section of
Tevatron tunnel ready for tour groups of ≤49 people• West high bay cleared for iARC use• East high bay prepared for PPD detector
development and construction lab • Assembly pit prepared for joint PPD/iARC use• Office areas and 1st floor counting room cleaned and
ready as adjunct to PPD activities in high-bay• 3rd floor computer room for CDF analysis servers
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Counting Room Theatre
Stairs to parking lot
West Bay-- IARC:
Broom Clean
Mezzanine Removed
30’ Deep Pit:
Cable Bridge
Removed
East Bay--PPD:
Useful hardware recovered
Workspaces readied
Collision
Hall
Access to section
of Tevatron tunnel
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Plans for Display
• Theatre Place for visitors to assemble
Meet scientist? Movie?
• Trigger room Electronics on display Other displays?
• Control room Flashing screens look almost like we are running
• Collision hall North and west sides blown open
Plastic covers, view of COT face, etc. South and east, closed up in running configuration
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Display Effort• Working with Public Affairs and Education• Making posters to document our achievements
Mix of hardware and physics Ben Kiliminster coordinating
• Interactive activities geared mostly toward middle school Cosmic-ray test stand, etc.
• CDF people: Ben Kilminster, Anna Mazzacane, JDL
• Life safety improvements in tour areas Doors, walkways Remove obstructions Remove halon, sprinkler mods
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Planned Collision Hall Layout
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Storage of components that may have future use
• Detector Items They are safe in situ Not worth labor to pull down if no use identified
Phototubes, Radeka preamps, etc.
• Shelf Items Over the years CDF has collected lots of good stuff
What you want for a detector lab (fittings, valves, connectors) We will sort to keep what is most generally useful
Don’t want building to be a warehouse Plan for storage mezzanines in pit alcoves without crane
coverage Sufficient space for all lockers now in high-bay
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Alcove Plan
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Stairs
N