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Shift Check List
Tick check boxes when completed - Follow code for each item placed clos to item in zone etc.
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Shift:
Morning
Evening
Night
Zone Inspection Hardware Check
AREA (Part1)
(A1) No water lecks, irregular noises, etc.
If yes, please make ELOG entry.
(A2) BTS flow-meters on wall (Xe-gas tanks) are mid-range
~(100+/-20)
(A3) TC N
2
-bag compressed-air pressure on wall is
~1.5 bar
(left of Xe-1000l dewar)
(A4) CEX LH
2
-target, 50 l He gas cyclinder pressure (must be
>20 bar
)
(back-end of area attached to support of COBRA/air-conditioning platform)
bar
DETECTOR HUT
Upstream door
(H1) TC APD low voltage no blinking green ligths,
CV: >7.6V, I: ~25-30A
(US-side)
(H2) TC bars HV
kV
(H3) TC-APD "chiller" temperatures
"Patch-panel" ~25 deg. C, "APD" ~15 deg. C
(black boxes 2x US-side, close TC HV)
Side door
(H4) DC low voltage preamp. power
ON (green LEDs)
(H5) TC-APD "chiller" temperatures
"APD" ~20 deg. C
(black boxes 1x US-side, close to DC-DRS)
AREA (Part2)
Area and beam blocker status KSF41 -
After leaving zone
(A5) Area status:
Closed
Surveillance
Open
(A6) Beam blocker status:
Open
Closed
Cavern Inspection Hardware Check
GASES
(C1) COBRA He-gas battery pressure
>50 bar
bar
(C2) DC He-gas cylinder pressure
>20 bar
bar
(C3) DC Ethane (C
2
H
6
) gas cylinder pressure
>20 bar
bar
(C4) DC air cylinder pressure
>20 bar
bar
BTS POWER SUPPLY
(C5) Current (muons:
-199.4 A
, pions (CEX):
-270.0 A
)
A
(C6) Air-conditioner in inner cavern cooling sufficiently (normally on
5
)
(C7) Check hut A/C water overflow vessel (blue bucket at cavern entrance)
If emptying is needed, call "Hallendiesnt" people
Beam Barrack
BEAMLINE MAGNETS
(BB1) Set correctly (setpoint setting program)
Filename says mode, DAC/ADC settings in
MEGWiki
Normal
Ultra-low
Pions (CEX)
Control Room Inspection
MIDAS HISTORY
Separator
(CR1) On nominal voltage (
-195 kV
)
kV
(CR2) Vaccum
< 5 x 10
-5
mbar
(CR3) Check enabled alarms (see
template MEGWiki
)
Gas system
(CR4) Gas system LabVIEW running on
PC6470/RemotePC6373
(CR5) PCS flow rates:
DC He/C
2
H
6
(68/72 cc/min)
(CR6) COBRA flow rate: in/out
~2000/2200 cc/min)
and no abrupt behaviour in PCS history
(Pressures, dp-COBRA, O
2
-Sensors, N
2
-Test Sensors)
(CR7) Check enabled alarms (see
template MEGWiki
)
APDs
(CR8) APD currents
<1 nA
Calorimeter
(CR9) Current stauts
(Xe-flow 0: 6~7 l/min: Gaseous purification)
(Xe LPF-level: 30-35%: Liquid purification)
None
Gaseous Purification
Liquid Purification
(CR10) Check enabled alarms (see
template MEGWiki
)
Drift Chambers
(CR11) On nominal HV (as defined in HV-VI) & current
< 15uA
&
no trips!
Splitter cooling
(CR13) Splitter fans ok (
~5500 prm
)
COBRA
(CR14) Nominal currents (
SC 360 A, NC 320 A
)
(CR15) Check enabled alarms (see
template MEGWiki
)
Temperatures
(CR16) Environment hut temperatures (
hut < 35 deg. C, A/C < 32 deg. C
)
(CR17) Environment cavern temperatures (
computer < 45 deg. C, other < 35 deg. C
)
Target status
(CR18) Muon target
Inserted
Extracted
(CR19) Pion target (only CEX)
(CR20) LH
2
target pressure history ok (
~1.3 bar
)
bar
(CR21) 250 l LHe dewar level ok (
>30 on history or ~35 litres
)
100 l LHe dewar (
>10 units on instrument. In zone >20 litres)
(CR22) LH
2
LabVIEW running on
PC6718
(C-W barrack)
(CR23) Proton target C-W
None
Lithium Tetraborate
Accelerator status
(CR24) Beam current
uA
MIDAS DAQ
(CR25) Alarms enabled (see
main status page
)
(CR26) Audio alarm (
mspeaker on PC6373 running
)
Software Monitoring
ONLINE/OFFLINE
(SW1) Trigger standard histograms checked
(SW2) DC standard histograms checked
(SW3) TC standard histograms checked
(SW4) XEC standard histograms checked
(SW5) NaI standard histograms checked
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