Shift Check List

Tick check boxes when completed - Follow code for each item placed clos to item in zone etc.

Author: ? Date: Shift:
Expand section 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 N2-bag compressed-air pressure on wall is ~1.5 bar
(left of Xe-1000l dewar)
(A4) CEX LH2-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:
(A6) Beam blocker status:
Expand section 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 (C2H6) 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
Expand section Beam Barrack
BEAMLINE MAGNETS
(BB1) Set correctly (setpoint setting program)
Filename says mode, DAC/ADC settings in MEGWiki
Expand section 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/C2H6 (68/72 cc/min)
(CR6) COBRA flow rate: in/out ~2000/2200 cc/min)
and no abrupt behaviour in PCS history
(Pressures, dp-COBRA, O2-Sensors, N2-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)
(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
(CR19) Pion target (only CEX)
(CR20) LH2 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) LH2 LabVIEW running on PC6718 (C-W barrack)
(CR23) Proton target C-W
Accelerator status
(CR24) Beam current  uA
MIDAS DAQ
(CR25) Alarms enabled (see main status page)
(CR26) Audio alarm (mspeaker on PC6373 running)
Expand section 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