Construction is a hard job. Building something immensely complex with a team of varyingly skilled people is tough, especially while maintaining safety standards and high craftsmanship. 
So it's understandable when not all construction goes off without a hitch. 
But these 20 sites didn't just mess-up, they totally phoned it in. 
1
Concrete Piers
“Another contractor installed concrete piers hanging from the floor joists of this property. If this was their attempt at a post-and-pier foundation, they're a long way off from doing it right.”
  
2
Letting Bricks Fall 
No thought for what’s below. 
  
3
Totally Safe 
Scaffolding construction in Norway.
  
4
Excavator Dropped in Shaft 
Central Kowloon Route construction project.
   
5
The Underside of a Crane Cabin 
A little too much air. 
  
6
Ramen Noodles 
Used for construction work. 
  
7
Plumbers
“Plumbers broke through this foundation to add pipes, compromising the structural support of the home.”
  
8
Cutting Costs 
Fake concrete blocks. 
  
9
In the Way 
“Construction trapped us in the office.”
  
10
Runaway Buzz Saw 
Construction site malpractice. (Single frame of high-speed object.)
  
11
Removing Scaffolding 
On top of a skyscraper, no security. 
  
12
Negligence 
“Construction across the road ran over our mailbox.”
  
13
Not Quite 
Juuuust a bit outside. 
  
14
Under Construction 
Apartment complex catches on fire in Aurora, Colorado.
  
15
Wall Collapse 
Catastrophic construction failure.
  
16
Wet 
Construction hit a water main. 
  
17
Glass on Glass
Unsecured glass panel bangs into building. 
  
18
Dirty
“Construction crew working dumped concrete water all over me and other motorists. My sunroof was open.”
  
19
Scaffolding Smashes Into Big Ben 
Landmark makeover gone wrong. 
  
20
Work Never Stops 
Parking in a construction zone.