The claim: Amtrak railcar repair facility (closed); controversial site of a major alleged detention / processing center. Although some sources state that this site is a "red herring", photographic and video evidence suggests otherwise. This large facility contains large 3-4 inch gas mains to large furnaces (crematoria??), helicopter landing pads, railheads for prisoners, Red/Blue/Green zones for classifying/processing incoming personnel, one-way turnstiles, barracks, towers, high fences with razor wire, etc. Personnel with government clearance who are friendly to the patriot movement took a guided tour of the facility to confirm this site. This site is located next to a closed refrigeration plant facility.
What it really is: The actually facility that is being talked about is in Beech Grove, and despite what is claimed, the facility is not closed.
The facility itself is quite large (which is necessary to for railcar repair) and contains several large buildings, so having three to four inch gas lines would not be that strange, because they would be needed to power furnaces to keep the buildings heated during the winter.
The other claims appear to be nothing than misinterpretations of necessarily security measures, or (as with the claims of helicopter landing pads and razor wire) bogus.