I don't know if you are interested in this but I'm sure there is a plugin that automatically gets rid of spawn mines when placed.
really? that would be cool...this person is more trouble than that but it would still be cool, where do I look?
I don't know where exactly. I think it is an admin mod plugin. I know I've seen it on many servers over the past few years. I would ask des he seems to be the plugin expert.