Underground construction is dangerous and hard to access. Dealing with water ... equipment is very limited. Some smaller ...
Eyewitness News got a rare look inside an underground portion of the Colorado River Aqueduct that runs through San Jacinto that was built almost 100 years ago entirely by hand.
of lifting capacity to lift stacks of tunnel liner segments, equipment and material in and out of the 100-ft.-deep shafts. Once shaft construction ... guys a glass of water and somehow they ...
Currently, around 40 million gallons of stormwater combined with untreated sewage overflow into Piney Branch each year. This ...