So working on building a small guard tower that I will house a squad in just outside my entrance. Contemplating a skybridge from the tower over to the main area and then sealing off the tower, just leaving 3rd level fortifications for a marksdwarf squad. However I've hit a snag I can't figure out...
Level 1
Here's my main floor with access door. They've built in flooring and put up an armor stand and a weapon rack. The upward stair is built in the upper right corner.
Level 2
Here's the second level, going up. Note the up/down stair (X) is already built so this was accessable from the first floor. Also, they've floored in this floor as well. This is after several attempts to get the third floor to work, I've built another up only staircase to the upper left of the floor. Obviously, accessible from the first floor to build everything. I've got a wall up on this floor as well.
Level 3
Here's the third level, going up and here is where my problem is. You can see I've asked for a strip of flooring to be built. It took the queue so it didn't "red out" and tell me no access to materials (although it only showed accessiblity to the logs laying on the wall adjacent on the north end). I've had these queued for weeks now and no movement but not suspending the job either. It's not the dwarfs lack of willingness to work, if I trigger floor 2 to destroy the existing stairs and then rebuild them, the dwarfs attack that job right away.
So, I just can't figure out why my stairs are not lining up to work. Yes, I've checked to be sure they are right above the second floor stairs. I've moused over (k) to ensure they are "down" stairs. Any idea on why this isn't working? Never had this issue before.