My understanding was that there were strainers in the EMBT/HP Blow air piping that was thought have been the area where the freezing took place.
I hope you do not mind the PM'ing---I see stuff that I'd have a hard time posting in a open forum. Not really comfortable about even PM'ing either.
BTW, My dad is letting the power company put an emergency Diesel Generator set at his ranch (big EMD's) They generators are rated for some 8 Mw. He already has a few wind turbines up (total 4.5Mw)
He's becoming a power Baron! ;-)
I really need to get back in the GD rack, I really do.
(FAS rolls off in his W/C, disgusted with himself)