Last revised 2/22/99
This checklist will be completed prior to extended restricted accesses to Hall A.
People checking list _______________________________________________________
Power supplies
( from the control room )
Electron
Q1
___ set current to 0 amps by remote control
___ turn output off by remote control
Q2
___ set current to 0 amps by remote control
___ turn output off by remote control
Q3
___ set current to 0 amps by remote control
___ turn output off by remote control
Dipole
___ set current to 0 amps by remote control
___ turn output off by remote control
Hadron
Q1
___ set current to 0 amps by remote control
___ turn output off by remote control
Q2
___ set current to 0 amps by remote control
___ turn output off by remote control
Q3
___ set current to 0 amps by remote control
___ turn output off by remote control
Dipole
___ set current to 0 amps by remote control
( from the Hall )
Target
___ NOTE : LOOK FOR "RADIATION AREA" SIGN and OBEY
___ Install protective shields over vacuum windows if Cryo target is installed
___ target light off at target
___ cctv cameras off at target
___ turbo off at rack #
___ turbo valve closed at rack # switch #
___ backing pump off and bled up at pump
___ gages operational
___ windows functional
Spectrometers
___ NOTE : LOOK FOR "RADIATION AREA" SIGN and OBEY
___ turbo valves closed at valve controller in rack # 1H71/72B08 switch #
___ turbo off at turbo controller in rack # 1H71/72B08
___ blower off at controls under spectrometer
___ pump valves closed at valve controller in rack # 1H71/72B08 switch #
___ convectron gages on
___ cold cathode gages off at gage in rack #
___ windows functional
Electron
Q1
___ ensure 0 current status on local power meter
___ ensure that the set to and ADC readouts all equal "0"
___ turn off Q1 LCW supply valve slowly and lock it in the off position
Q2
___ ensure 0 current status on local power meter
___ ensure that the set to volts readout equals "0"
___ ensure that the set to current readout equals "0"
___ switch off input power at power supply
___ switch off power at safety disconnect and lock switch in the off position
Q3
___ ensure 0 current status on local power meter
___ ensure that the set to volts readout equals "0"
___ ensure that the set to current readout equals "0"
___ switch off input power at power supply
___ switch off power at safety disconnect and lock switch in the off position
Dipole
___ ensure 0 current status on local power meter
___ switch off input power at power supply
___ switch off power at safety disconnect and lock switch in the off position
Hadron
Q1
___ ensure 0 current status on local power meter
___ ensure that the set to and ADC readouts all equal "0"
___ turn off Q1 LCW supply valve slowly and lock it in the off position
Q2
___ ensure 0 current status on local power meter
___ ensure that the set to volts readout equals "0"
___ ensure that the set to current readout equals "0"
___ switch off input power at power supply
___ switch off power at safety disconnect and lock switch in the off position
Q3
___ ensure 0 current status on local power meter
___ ensure that the set to volts readout equals "0"
___ ensure that the set to current readout equals "0"
___ switch off input power at power supply
___ switch off power at safety disconnect and lock switch in the off position
Dipole
___ ensure 0 current status on local power meter
___ switch off input power at power supply
___ switch off power at safety disconnect and lock switch in the off position
Entrance beam tube
___ NOTE : LOOK FOR "RADIATION AREA" SIGN and OBEY
___ beam line vacuum valves closed
___ E P turbo valve closed
___ E P turbo off
___ E P backing pump off and vented to atm.
___ Møller turbo valve closed
___ Møller turbo off
___ Møller backing pump off and vented to atm.
___ instrument air compressor functioning normally
Exit beam tube
___ NOTE : LOOK FOR "RADIATION AREA" SIGN and OBEY
___ beam tube valve closed
___ exit beam tube turbo valve closed
___ exit beam tube turbo off
___ exit beam tube backing pump off and vented to atm.
___ cold cathode gage off
___ convectron gages on
Dump
___ NOTE : LOOK FOR "RADIATION AREA" SIGN and OBEY
___ turn off diffuser cooler
___ Inspect visible areas for water leaks
Hall
___ NOTE : LOOK FOR "RADIATION AREA" SIGN and OBEY
___ Inspect power supply platforms, spectrometers, and the rest of the Hall, looking for water leaks and cryogenic plumes
___ cctv cameras off
___ clear of unnecessary equipment
___ Man lift and Forklift removed from truck ramp
___ Doors unlocked