A city tower block in poor condition and past its "design ... Temporary protection was recently installed at the block after fragments of concrete fell from its facade, the group revealed.

In the mid-1990s, lead blocks like these helped pull ... Workers pour a temporary concrete ring around the base of the tower to serve as a foundation upon which to lay lead counterweights on ...

Massive mixed-use project being built using innovative self-climbing tower placing system to pump 48,000 cu. yd. of concrete The new ... built on two complete city blocks. The building is the ...

Threaded steel rods in the concrete-free foundation are the key to the Nautilus Observation Tower's first-in-the-nation ...