Originally Posted by migueltorres
I walked past the site around 3am and even though I may have been a little drunk I did hear some equipment noises coming from inside and the site was lit up
They have some unit running in there that has an exhaust coming out of it
with a sign that says "HOT".
It may be some sort of dryer to evaporate or dry out the water that has inevitably collected on the lower levels.
Just a guess....