A hole where toxic gas can lurk and a misstep means a painful fall is a dangerous workplace. To prevent injuries, companies whose employees must enter sewer manholes regularly train their crews to be safe and call upon equipment manufacturers to help them in that effort.
“Every time we go in, we test the gases — opening the manhole and dropping the detector in the hole,” Horacio Franco says. “We determine if it’s clean of gases so we can safely have the guys go in. Every single guy is in a harness. They have their own gas monitors. They wear hard
