This really is an example of how to instruct operatives to do something stupid. The operatives know that it is stupid, and will not resolve the problem, but their moral is so low that they will not complain either.

It is similar to a perfectly safe Bin Lorry, but add the wrong driver ... and a tragic disaster. Same with the computerised Job Ticket system. 

So what is required to create a puddle near the top of a slope - a specific example in Linn Park on the main path into the park in front of the bench by the children's playground.

In this case