A sewer worker was killed by poisonous gas 45 minutes after explosives were set off underground 50 feet (15.24 meters) away. The fatality occurred on a city utility construction site. A crew working for one contractor set off the blast to break bedrock in preparation for laying pipe. A worker on another crew went down 12 feet (3.66 meters) into a precast concrete manhole to grout the seams. Carbon monoxide gas from the blast seeped into the manhole, causing this worker to collapse. Two rescuers went in after him, and he was saved by one rescuer. The other rescuer collapsed and died. Investigators […]
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