The decision to open or close the telescope is the responsibility of the Telescope Operator(s). They are the senior staff member(s) on-site and responsible for the facility. Their decision will be based on their experience at DCT LDT and judgement of the site conditions, and is final.
The guidelines given below are there to help them make their decisions, and to give you a sense of what kinds of things they are considering, but they are guidelines, not hard and fast rules. Safety of people and the equipment is an overriding concern.
...