The City of Tampa (Fla.) Advanced Wastewater Treatment Plant is a belowground facility that treats more than 96 mgd. Not long ago, employees were drawing unflattering analogies between their underground work site and a shoebox. "Once you dropped below grade, it got hotter and there was no breeze," says plant team leader Eddy Drovie. "It was just real stagnant and nasty."
Research has shown that people do their best work within a surprisingly narrow range of thermal conditions: Uncomfortable work environments are shown to decrease employee morale and productivity. Large spaces, as
