Kuva Fortress Dynamic tile Bug

[Etharien]

So i recently found a kuva fortress tileset that appears to get hit with asteroids. Sometimes it doesn't, sometimes it does. This opens up passageways underneath (large grineer exploding barrel for codex completionists). The issue is that the people i was farming the scans with, it was ALWAYS open for them. However i optimized and verified my cache, and now it sometimes happens for me. Are the bunkers always supposed to be open or closed. Unfortunately i only took 1 screenshot. Hopefully it narrows down the tileset for whoever takes a look. In the sceenshot below, it's a complete bunker, however it has the chance to be destroyed for me, but was always destroyed for my teammates, regardless of host.
http://imgur.com/OrvYjOo