This is not such an odd solution.
Locks are really easy to break with a screw driver and a hammer which
almost everyone has and is easy to carry, but most people aren't going
to have or carry a torch or a cutting wheel.
After 9/11 a large portion of the man holes in NYC were welded shut to
prevent them from being used to hide explosives.
On Apr 13, 2009, at 6:10 PM, Joel Esler wrote:
Yeah, I would have loved to be on the wall during that conversation:
"So, how can we lock people out of the manholes?"
"We could put locks on them?"
"No, someone could just cut the locks"
<starts laughing>" We could weld them shut" <still laughing>
<pointed eared boss>"Good idea, do it"
<stops laughing, serious look>"Really sir?"
"Yes, make it happen"
<all nervously look at each other>
"Uh, okay..."