> 4 IDOT (Illinois Department Of Transportation) employees, in 2 separate trucks, > applying caulk to the lapped seams of a highway guardrail. The same guard rail that > has seen countless winters filled with copious amounts of halite. The same guard rail > that has not shown a sign of rust, through all the abuse it's taken. Even the points > at which cars have hit it, no signs of rust. > > I'll take comfort that the 4 man hours just billed @ ~20/hr was well spent, and that > the guardrail will remain water tight. I'll further take comfort that should someone > be running their fingers across that seem, that their fingers will remain uncut on > the perfectly caulked edge.
The alternative would have been to throw out the caulk. Caulk does have a very limited shelf life.
Kevin Eshbach
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