Followers of construction-related mayhem in the South Slope might recall the South Slope Crack Building. It’s formally known as 406-408 15th Street and has caused an exceptional amount of upset among neighbors as well as such severe damage to a neighboring building that it had to be evacuated in the summer of 2006. Well, the Crack Building is slowly rising (though not as much as one would think, given how long it’s been going on) and the damage to 1504 Eighth Avenue has been covered up. The five-story building (which will have 27 units) has generated a mindboggling 104 complaints to the Department of Buildings and construction is far from over.