You wanted some map feedback, so lemme shoot my slag...
First, do you use enough of noclip? Because, for example, in court yard, that vent with minimal ladders, wall lamps block my way (was in spectator mode). Make minimal noclip ramps, this can affect gameplay from moderate annoyance to map killer (If they are REALLY bad).
Remember kids, there is NEVER enough of clip!Second, location places sometimes goes wild, randomly spawning area or room out of LOS. I don't know solution now, But I try search some sort remedy. For example, that hallway with grate and view to skybox, near library, dock 1 and court yard. Or is there that many different places?

Third, vents are awesome, but I can has more them? Thank you.
Especially that electric hall (damn long in my opinion) should have sort of maintenance crawlways/ventilation tubes. No better remedy in mind
yet.
And lastly:
The only criticism I've got so far is that you could use textures better. You are just applying them to a surface, without really utilizing their real potential. For example in the screenshot: You could rotate the red texture 90° and shift it, so the dark stripe is at the wall or the other side of the texture. you could also try to optimise those grids, so they have the gray stripes where they hit the wall.
And I agree with this. If you don't got nothing awesome, try make some sort greebles (doesn't always work.)
This is my feedback, thanks and sorry.
