If everyone is 'waiting' at the Construction stage...

[hughie522]

1) Make sure you have 2 cranes
2) Click on one of the cranes and click on 'Job' to change it - you'll need one crane working the Concrete Floor Team and the other working the Steel Skeleton Team

I honestly sat there staring at the screen until I figured it out :P.

[d3cker]

ty

[FroggyPwnie -Now with 2000 games]

Dude, I love you. I wish I figured this out before I went broke. I thought the game was bugged, I couldn't get my building to progress any further!

[Steve Balboni]

Thank you so so so so so much!

[miomeinmio]

You are a God.