A reader gave us the heads up about some weird structure going up next to the South Street Bridge, on the northern edge of the site that will eventually contain a huge CHOP facility. What the heck is going on here?

From afar

Getting closer

Closest yet

We went up to the two gentlemen working on the structure and asked them exactly what they were doing. They explained that they were working on a “mock up of the CHOP thing.” As they were both twenty feet in the air, we didn’t really have a chance to ask them to elaborate.

So… look out Naval Square. There’s a mock up of the CHOP thing coming soon to your backyard. Do not panic. All is well. Probably.