Re: Great Spells of Civilization

Keith Morrison wrote:
On Tue, 10 Jul 2007 20:12:29 GMT, Jasper Janssen <jasper@xxxxxxxxxxxx> wrote:

Heatstroke can kill you, easily, if you're in a very hot environment and
you can't cool down by sweating.

We had some people up here in the first stages of heatstroke yesterday. When you have 24
hour daylight and almost no wind, and a building with large windows (very few that open),
and because it's in the Arctic no one considered the need for heavy cooling to be that
much of a a necessity, it can get very warm very fast. The building in question was 41
degrees C yesterday afternoon.

In high school (Michigan) I experienced a tangential problem.

The high school was relatively new, having been completed in 1977. It was fully climate-controlled, warm in the winter, air-conditioned in the summer. None of the windows opened.

Sometime in early 1982 there was a cold snap, a week with daytime highs of around -25 C. Naturally, everyone was dressed appropriately: sweaters, thermal underwear, etc. Standard practice was to lower the building temperature slightly so that students and staff didn't overheat due to the heavier clothing.

In the middle of the week, the central thermostat for the building failed. It failed with the furnace on high heat. It couldn't be turned off short of the manufacturer's reps coming out from wherever.

At 7:20 a.m., when the first classes started, the internal temperature was around 30 C. By 9:30 a.m., the central core was over 40 C.

They dismissed all classes when they started getting heat prostration cases and realized that things would only be getting worse.

Had the windows opened, you could have ameliorated conditions in the outer ring of classrooms. But as it was, the only place in the building that was a reasonable temperature was by the front doors and the auto repair bays.
.

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