On a completely side point, the person who posted the photograph appeared not fully understand the function of that lock structure. The extra locks are not to make it tougher to break in, but to assure that all the key holders are present to open the gate. This could be for safety (make sure no workers are unaccounted for before turning equipment on) or to be sure that everyone responsible for that area is actively aware it is open.

Lessons in there for software too.