Incidents 2020

Enter comments in reverse time order

Date	What happened?	Corrective measures	Comments	Documents	Incident Closed?
2020-08-19	Elevation drive got stuck at ~60° zd after the night. Four persons at hand wheels and remote expert intervention were needed to bring telescope and camera in safe state around 9:30 (local) in the morning.	To check and repair (if apply). Possibly, allow local crew to release elevation brakes in emergency cases.	dfdf		YES
2020-07-18		To check and repair (if apply)	As can be seen in the attached webcam archive images, the ladder caught on the tension rope and tilted towards the camera frame. It did not touch the plexiglas, it probably rested on the carbon fiber frame until the camera started moving upwards, at which point it fell across the hole in the top platform. We noticed the problem, make sure everyting was safe and climbed to inspect the platform. The ladder was in a stable but not secure position at the edge of the top platform. To make sure it couldn't fall to the lower platform, we performed the following action: close manually the platform slowly, retrieve the ladder and fix it on the ground, open manually the platform, park the telescope normally (in automatic mode), inspect the camera frame and the platform. With the darkness and the unsure situation of the ladder on the edge of the platform we did not take images but opted to secure the ladder quickly and calmly to avoid it falling further. The attached webcam image should give some idea how it landed and how close the top of the ladder is to the edge. It was already dark when we did the inspection. The camera and camera housing look undammaged. There is damage to the locking system of the ladder hatch (the part that hit the floor first) which can be repaired, and a deep scratch in the metal sheet at the place where the ladder hit the platform. There seems to be no damage on the tension rope. There is a small damage on the carbon fiber camera frame but we need to inspect it during day light to see if it is a new damage or old scratch. We will perform a deeper inspection with day light. We will leave the telescope parked tonight and perform test only with the tower open. No damages were found		YES
2020-02-23	Incident 8: The camera shutter was broken after a wind storm, the maximum wind gust speed reported by the MAGIC weather station during the storm was 157 km/h at ~8:00.	To repair	LST people installed a temporal cover on 25.02.20. CIEMAT team checked the camera and they installed a better temporal cover on 26.02.20		No
2020-02-23	Incident 7: The camera access tower was opened after a wind storm, the maximum wind gust speed reported by the MAGIC weather station during the storm was 157 km/h at ~8:00.	To check and to repair and to close	LST people on site and Casana checked the platform. Everything was fine and they closed the platform from the control in the camera access tower on 25.02.20		YES
2020-02-23	Incident 6: The camera maintenance room was moved after a wind storm, the maximum wind gust speed reported by the MAGIC weather station during the storm was 157 km/h at ~8:00.	To relocate	The room was relocated by Casana		Yes
2020-02-23	Incident 5: Several signs were removed and broken after a wind storm, the maximum wind gust speed reported by the MAGIC weather station during the storm was 157 km/h at ~8:00.	To repair	New signs were installed by local LST staff		YES
2020-02-23	Incident 4: 2 piles from the fence were moved (the fence is not opened) after a wind storm, the maximum wind gust speed reported by the MAGIC weather station during the storm was 157 km/h at ~8:00.	To repair	Fence was repaired by Bediesta on June 2020		YES
2020-02-23	Incident 3: A cover from the camera chiller was damaged after a wind storm, the maximum wind gust speed reported by the MAGIC weather station during the storm was 157 km/h at ~8:00.	To repair	The cover was installed on 25.02.20		YES
2020-02-23	Incident 2: The roof of the chiller was damaged after a wind storm, the maximum wind gust speed reported by the MAGIC weather station during the storm was 157 km/h at ~8:00.	To repair	The roof was repaired by CASANA	[	YES
2020-02-23	Incident 1: Several cable trays were damaged after a wind storm, the maximum wind gust speed reported by the MAGIC weather station during the storm was 157 km/h at ~8:00.	To repair	Several cable trays were repaired on 28.02.20. Other cables trayes were repaired by Bediesta on June 2020		YES
2020-01-28	There are drops of water from the humidifier in the wall of the IT container	To repair	Schneider and LST Team checked the humidifier and there was a loop in the drainage pipe. The loop was removed. The bottle was removed and it was broken. A new bottle was installed but the new holes are looking to the ceiling and they produce condensation on the ceiling. The humidifier cannot be connected in this situation because the water can wet the leak rope. The humidifier was repaied by Schneider on week 30 (2020)		YES