“Beefy piers hold up three stories of long boxcar shapes that look as if they had been frozen in the process of chugging past one another. Massive plate-glass windows fill the staggered, sliced-off ends. … The Orange County Government Center, by the once-famed architect Paul Rudolph,” is now so leaky it can’t be used; the county executive finds it a troublesome money pit and wants to replace it completely.