| ID | Order | Date/Time | Action | Status | Resp |
|---|---|---|---|---|---|
| 3 | 10 | 2026-03-24 15:55:04.829974 | Ensure gas supplies (for the Driver and the Test Gases) are OFF | V | CE |
| 4 | 20 | 2026-03-24 15:55:12.107448 | Ensure mechanical operator to wear proper PPE | V | CE |
| 59 | 30 | 2026-03-24 15:55:59.848718 | Turn ON water cooling pump. Check water running inside closed circuit. OPEN pneumatic air valves. | V | CE |
| 5 | 40 | 2026-03-24 15:56:35.690718 | Ensure every safety systems are ON and OK (fire alarm, emergency lighting, gas detection…) | V | CE |
| 6 | 50 | 2026-03-24 15:57:18.180974 | Ensure UPS of control room is ON, supplying computers, control panel and gas detection system. Ensure that the PLC control systems (in the control room and the experimental hall rack) are ON | ATT | CE |
| 7 | 60 | 2026-03-24 15:57:35.365317 | All doors to remain unlocked as normal for fire escape/access | V | CE |
| 8 | 70 | 2026-03-24 15:58:17.462078 | Turn ON necessary electrical equipment (computers, oscilloscopes, etc...) | V | RE |
| 121 | 80 | 2026-03-24 15:59:00.392700 | Ensure that all EPICS IOC systems are running. Start CSS Archive Engine. See <a href="https://github.com/ipfn-hpl/esther-ops#epics-control-system" target="_blank">Link</a> | V | RE |
| 1 | 80 | 2026-03-24 16:02:23.995332 | Initiate Shot - Assert Start of Day | V | RE |
| 9 | 90 | 2026-03-24 16:02:43.917154 | Make a realistic assessment on whether the test can be completed within the imparted time (e. g. if it is 16:00 maybe it is not a good idea to start a test if you plan to leave at 17:00). | V | RE |
| 31 | 10 | 2026-03-24 16:04:09.188758 | Verify that all other general and subsystem safety conditions are met (see Master checklist) | V | CE |
| 33 | 20 | 2026-03-24 16:04:41.754313 | Disable electrical supplies to all non-ATEX electrical equipment in the ATEX area | V | CE |
| 34 | 30 | 2026-03-24 16:05:50.661278 | Ensure all doors and gate from experimental hall are CLOSED | V | CE |
| 35 | 40 | 2026-03-24 16:06:02.759187 | Place the recoil dampening bags (Aluminium bullet bags) in contact with the rear of the combustion chamber. Ensure these do not block the laser optical path. | V | CE |
| 37 | 50 | 2026-03-24 16:06:50.790592 | Check for lack of human presence in the gas compressor room and CLOSE door | V | CE |
| 38 | 60 | 2026-03-24 16:06:55.626002 | Leave experimental hall and make visual check and audible warning | V | CE |
| 41 | 70 | 2026-03-24 16:06:59.101611 | CLOSE control room/lab door | V | CE |
| 42 | 80 | 2026-03-24 16:09:56.327051 | OPEN gas storage doors; Turn ON gas supplies; CLOSE and LOCK gas storage doors | V | CE |
| 43 | 90 | 2026-03-24 16:10:33.638342 | Log in to control console | V | RE |
| 111 | 100 | 2026-03-24 16:10:38.897276 | Check that Bottle pressure are compatible with planned shot | V | RE |
| 110 | 110 | 2026-03-24 16:10:55.158583 | Set Bottle low-pressure alarms according to states | V | RE |
| 10 | 110 | 2026-03-24 16:11:35.610888 | Agree and sign the global shot setup parameters sheet (driver, compression tube, and test section gas fillings, vacuum parameters, diagnostics, etc…). Ensure parameters are nominal for shot and all equipment is in good condition. Two signatures are needed in the compliance form. | V | CE |
| 30 | 100 | 2026-03-24 16:11:38.290098 | Agree and sign the global shot setup parameters sheet (driver, compression tube, and test section gas fillings, vacuum parameters, diagnostics, etc…). Ensure parameters are nominal for shot and all equipment is in good condition. Two signatures are needed in the compliance form. | V | RE |
| 29 | 130 | 2026-03-24 16:11:47.881784 | Ensure that at least one researcher and the chief engineer are present during the test, one to remain in control room throughout. | V | RE |
| 11 | 120 | 2026-03-24 16:11:48.694825 | Ensure that at least one researcher and the chief engineer are present during the test, one to remain in control room throughout. | V | CE |
| 88 | 140 | 2026-03-24 16:12:55.809423 | Check that the laser is aligned with the optical port. Open CC if needed. | ATT | RE |
| 12 | 150 | 2026-03-24 16:13:08.967751 | Ensure CC, CT and ST are clean. Perform hardware inspection. Place diaphragms in CC-CT, CT-ST, and ST-DT sections. | V | CE |
| 13 | 160 | 2026-03-24 16:13:14.727307 | Ensure there is no leaks of hydraulic fluid. Undertake hydraulic closure procedure for the CC-CT, CT-ST, and ST-DT sections (See Procedimento HPL-012020). | V | CE |
| 44 | 120 | 2026-03-24 16:13:18.474896 | Enter normalized parameters from log sheet | V | RE |
| 45 | 130 | 2026-03-24 16:13:28.117802 | Turn on Kistler & start archive engine | V | RE |
| 58 | 10 | 2026-03-24 16:13:47.067914 | Verify that all other general and subsystem safety conditions are met (see Master checklist) | V | CE |
| 107 | 140 | 2026-03-24 16:13:50.814731 | Fully open purge valve v701 | V | RE |
| 108 | 150 | 2026-03-24 16:14:08.361529 | Start CC Purging Sequence | V | RE |
| 109 | 160 | 2026-03-24 16:14:17.915633 | Fully close valve V701 then open half turn | V | RE |
| 46 | 170 | 2026-03-24 16:14:52.179213 | Initiate filling sequence | V | RE |
| 14 | 170 | 2026-03-24 16:16:04.128304 | Initiate Vacuum Procedure. | V | RE |
| 32 | 20 | 2026-03-24 16:20:11.710152 | Verify that all the sections of the shock-tube (CC-CT, CT-ST, ST-DT) are CLOSED with a diaphragm inside, and pressurized to the preset values in each station. Report the hydraulic pressure in each section. | V | RE |
| 60 | 30 | 2026-03-24 16:20:25.471086 | Turn ON the two turbomolecular pump fans | V | RE |
| 61 | 40 | 2026-03-24 16:20:30.210965 | Turn ON the two turbomolecular pump controllers and ensure that the pumps are levitating nominally without any error messages | V | RE |
| 62 | 50 | 2026-03-24 16:20:46.858278 | Ensure that the two ST gate valves are OPEN (if p_ST=1bar) and that the two mechanical arms are in the OPEN position | V | RE |
| 63 | 60 | 2026-03-24 16:20:56.757498 | Ensure that all the pressure sensors (1x CT, 2x ST, and 2x DT) are ON (turn then ON when required) | ATT | RE |
| 64 | 70 | 2026-03-24 16:22:19.236347 | Ensure that the CT ball valve is in the pump <-> CT section position and that the DT ball valve is in the pump <-> DT section position | V | RE |
| 65 | 80 | 2026-03-24 16:23:13.441229 | Ensure that all the control software is ON (boot it as needed) and that the archive engine is active | V | RE |
| 66 | 90 | 2026-03-24 16:23:19.821450 | Turn ON the DT primary pump | V | RE |
| 67 | 100 | 2026-03-24 16:23:25.018420 | After XXX seconds turn ON the CT primary pump | V | RE |
| 69 | 110 | 2026-03-24 16:23:30.873041 | After XXX seconds turn ON the ST primary pump. If gate valves are still CLOSED, open them after 1 min. | V | RE |
| 70 | 120 | 2026-03-24 16:23:40.152604 | After XXX seconds, ensure that the CT massflow controller is in the CLOSED position, then switch the CT ball valve to the gas-filling system <-> CT section position, wait YYY seconds, and switch back to the pump <-> CT section position, to purge the CT gas lines downstream of the massflow controller | V | RE |
| 71 | 130 | 2026-03-24 16:23:47.418487 | After pressure in the ST section falls in the 1e-1 mbar range, start the acceleration of both ST turbomolecular pumps | V | RE |
| 104 | 140 | 2026-03-24 16:23:58.814930 | (Optional) Once required pressure is met in ST section, CLOSE gate valves, wait 5min, then OPEN gate valves. | NC | RE |
| 105 | 150 | 2026-03-24 16:24:05.245691 | (Optional) Once required pressure is met in CT section, switch pneumatic valve from CT <-> Pump to CT <-> GFS, wait 5min, then switch back. | NC | RE |
| 106 | 160 | 2026-03-24 16:24:13.592556 | (Optional) Once required pressure is met in DT section, switch pneumatic valve from DT <-> Pump to DT <-> Purge, wait 5min, then switch back. | ByP | RE |
| 72 | 170 | 2026-03-24 16:24:45.298153 | When the required pressures in all the sections (CT, ST, DT) are met, initiate braking of Turbo Pumps. | V | RE |
| 92 | 173 | 2026-03-24 16:24:51.179687 | Switch pneumatic valve from DT <-> Pump to CT <-> Exhaust | V | RE |
| 93 | 175 | 2026-03-24 16:24:54.729696 | Turn off DT Primary pump | V | RE |
| 90 | 180 | 2026-03-24 16:25:05.276858 | Switch pneumatic valve from CT <-> Pump to CT <-> GFS | V | RE |
| 84 | 10 | 2026-03-24 16:25:41.336568 | Verify that all other general and subsystem safety conditions are met (see Master checklist) | V | CE |
| 86 | 10 | 2026-03-24 16:26:20.872310 | Verify that all other general and subsystem safety conditions are met (see Master checklist) | V | CE |
| 89 | 15 | 2026-03-24 16:27:41.675679 | Fill/check the parameters for CT & ST masscontrollers | V | RE |
| 91 | 190 | 2026-03-24 16:28:11.692386 | Turn off CT Primary pump and switch to Test Gases checklist. | V | RE |
| 96 | 30 | 2026-03-24 16:28:20.851536 | Perform Test Gases filling procedure for CT. Verify that the correct filling pressures have been reached. Resume Vacuum checklist. | V | RE |
| 95 | 220 | 2026-03-24 16:28:33.662663 | When both turbos < 5,000-10,000 RPM (TBC) close gate valves and switch to Test Gases checklist. | V | RE |
| 97 | 40 | 2026-03-24 16:28:43.126304 | Perform Test Gases filling procedure for ST. Verify that the correct filling pressures have been reached. Resume Vacuum checklist. | V | RE |
| 99 | 230 | 2026-03-24 16:28:57.540064 | Close shock insulation plugs and check they are in their CLOSED position. | ATT | RE |
| 100 | 240 | 2026-03-24 16:29:06.046327 | Check that both turbo pumps are in levitation position. Turn off pumps ventilation and controller (Optional). | V | RE |
| 101 | 250 | 2026-03-24 16:29:11.801500 | Shut down primary ST pump | V | RE |
| 102 | 260 | 2026-03-24 16:32:52.246562 | Manually pressurize the vacuum lines between the turbopumps and the primary pump. | V | RE |
| 83 | 270 | 2026-03-24 16:33:05.002229 | Verify subsystem safety conditions for Shot | V | CE |
| 47 | 180 | 2026-03-24 16:33:14.589031 | Record the partial filling pressures | V | RE |
| 48 | 190 | 2026-03-24 16:33:18.495820 | Check that fill is nominal and that the correct final pressure has been reached | V | RE |
| 49 | 200 | 2026-03-24 16:33:25.637384 | Check that CC is properly insulated from the piping system (Maximator valves closed) | V | RE |
| 116 | 100 | 2026-03-24 16:33:57.844258 | Verify subsystem safety conditions for Shot | V | CE |
| 15 | 180 | 2026-03-24 16:34:20.145168 | After the necessary time (experiment-dependent), initiate Combustion Driver procedure. | V | RE |
| 16 | 190 | 2026-03-24 16:34:23.316942 | After Vacuum procedure concludes, initiate Test Gas Filling procedure. | V | RE |
| 50 | 210 | 2026-03-24 16:34:33.406407 | Ensure that the Vacuum and test gas filling procedures have concluded successfully and that the shock-detection and diagnostic systems are ready for recording the shot and waiting for the triggers recorded at shock wave passage | V | RE |
| 51 | 220 | 2026-03-24 16:34:43.061703 | Prepare the Kistler gauge system to record the ignition sequence; program all the necessary triggers (oscilloscopes, acquisition cards, etc...) | V | RE |
| 36 | 230 | 2026-03-24 16:34:50.442801 | Turn ON laser ignition system | V | RE |
| 117 | 195 | 2026-03-24 16:36:42.693065 | Verify General and Subsystem safety conditions for ignition | V | CE |
| 118 | 235 | 2026-03-24 16:37:18.110081 | ARM Ignition Laser See <a href="https://github.com/ipfn-hpl/esther-ops/tree/main/pulse-sequence" target="_blank">Link</a> | V | RE |
| 52 | 240 | 2026-03-24 16:38:51.337018 | Fire the laser ignition system | V | RE |
| 53 | 245 | 2026-03-24 16:39:07.706423 | Record full pressures and volumes on log | V | RE |
| 122 | 247 | 2026-03-24 16:39:36.541166 | Set laser flash to Standby | V | RE |
| 112 | 250 | 2026-03-24 16:39:46.576626 | If CC NOT ignited, start CC ABORT sequence to flush mixture | NC | RE |
| 54 | 290 | 2026-03-24 16:40:00.802999 | Set control system to idle | V | RE |
| 17 | 200 | 2026-03-24 16:40:34.040024 | After shot is concluded, ensure that all the relevant data (pressures, diagnostics, etc…) are recorded, and that pressure inside the chamber (measured in the Dump Tank station is around atmospheric pressure, accounting for the sensor noise. | ATT | RE |
| 18 | 210 | 2026-03-24 16:40:45.537481 | Allow for additional 5min wait time for safety reasons. | V | RE |
| 19 | 230 | 2026-03-24 16:40:54.400909 | Turn ON the ST primary pump to vent out any leftover Helium and Water Vapour. When pressure is lower than 100mbar, turn OFF the ST primary pump. | V | RE |
| 56 | 220 | 2026-03-24 16:43:31.474170 | Enter lab and open doors. Perform a visual inspection | V | CE |
| 20 | 240 | 2026-03-24 16:44:36.087011 | Undertake hydraulic opening procedure (See Procedimento HPL-012020). | V | CE |
| 124 | 245 | 2026-03-24 16:44:45.706047 | Open CC/CT/ST/DT Sections | V | CE |
| 21 | 250 | 2026-03-24 16:44:53.037017 | Purge condensed water from the Dump Tank. | V | CE |
| 22 | 260 | 2026-03-24 16:45:00.281418 | Remove the burst-ed CC-CT, CT-ST, and ST-DT diaphragms. | V | CE |
| 23 | 270 | 2026-03-24 16:45:08.417335 | Check mechanical parts for damage, record for future maintenance. | V | CE |
| 24 | 290 | 2026-03-24 16:45:21.435467 | Sign test report. End of test. | V | CE |
| 28 | 280 | 2026-03-24 16:45:24.404566 | Sign test report with this form attached. End of test. | V | RE |
| 123 | 300 | 2026-03-24 16:45:46.548295 | If necessary perform End Of Day Checlists | V | RE |
| 82 | 310 | 2026-03-24 16:47:31.126121 | Turn OFF the water cooling circuit pump | V | CE |
| 55 | 310 | 2026-03-24 16:50:59.409668 | Open gas storage doors; Turn OFF gas supplies; Close and lock gas storage doors | V | CE |
| 25 | 300 | 2026-03-24 16:55:04.124032 | Turn OFF relevant electrical equipment (computers, oscilloscopes, etc…). | V | RE |
| 26 | 320 | 2026-03-24 16:55:19.525249 | General cross-check of the experimental hall, control room, and compressor room for any anomalies. | V | CE |
| 103 | 330 | 2026-03-24 16:55:31.718826 | Perform MySQL dump and backup to NAS | V | RE |