1. 1 MICE Radiation Shutter Description Present status Plans, schedule and remaining work MICE CM26, 24-27th March, 2010

2. Description 2 Radiation shutter assembly Is bolted to spectrometer solenoid #1 prior to Step IV Design work by Peter Lau, Oxford Two guided lead shutters Remotely operated, but with Manual control in reserve Control rods have to penetrate MICE vacuum volume

3. Present status Shutter doors and guides have been made at FNAL, awaiting/undergoing fit check before shipping All detail design work is done by Peter Lau Some potential manufacturing difficulties need sorting out, nothing major Probably some scope for simplifying the control rods and actuation 3

4. Remaining work and schedule plans Completion of manufacturing drawings: –End of April, 2010 Shipment of shutters & guides to RAL –Q2/3, 2010? Design and manufacture of pre-assembly test stand –Mid-May, 2010 Trial assembly and testing prior to installation –Q4, 2010 Final installation in MICE –Difficult to tell just now – linked to Step IV 4