Grimesbottom Stormwater Overflow

This innocent looking little building carries several warning notices:

Caution Hazardous Areas
Caution Deep water
Warning Machinery may be in operation at any time
This site contains confined space Check register for confined spaces
No unauthorised persons allowed beyond this point
No smoking
Approved personal protective equipment must be worn at all times
Keep Clear 24 hour access required

So that's you lot told.

A contribution to signs, signs.