Transcript Hoiem_Dismantling the Proton Hall

Created site awareness
Recover personal equipment
Opportunity to take
abandoned equipment
Variable
Speed Drives
Bender
magnet
•Weighed the
practicality and
benefit versus
cost of recovery
•Obsolete
•Equipment too
specific to a
certain
experiment
Costly to
recover
Impractical to
keep
No foreseeable
repurpose
• Valves
• Electrical receptacles, conduit and connectors
• Services
• Cables and cable trays
• Scattering chambers
• Beam dumps
• Determined what could be reused or
repurposed
• Standardized
• Highly specialized expensive
equipment
Flow meters
Magnets
Power Supplies
Surveys done of the area
Determine activity of
equipment
Plan to minimize
disposal
Beam pipes
Concrete
shielding
blocks
Targets
TISOL beam
dump
Slightly
active steel
Dose Rates On Contact
200
100
140
40
1.5
0
BL4B
BL4A/2
uSv/hr
15
BL4B/2
TISOL
• Cutting live wires
• Cutting wrong
cables
• Lead pigs left
behind containing
active foils
• Handling of active
waste
•Evolution of media
•Lack of controlled
documentation
• Budget
• Creating a “team”
• Alterations to roof beams
• Tunnel and hatches
• Ariel target area