A 10 inch hollow stem auger grazed a packed subway car on the NY MTA’s F line last week scratching the side of the train and breaking windows. Fortunately there were no injuries. I think the pictures say it all! The auger belonged to a contractor installing dewatering wells. But as one MTA source quoted in the Post put it: ‘Somebody made a mistake; maybe a surveyor or a field engineer… They drilled into the street but didn’t realize they were right over the F train tunnel. They weren’t supposed to be in that spot.’ Ironically, the dewatering well was associated with the East Side Access project…an MTA project. [Source: NY Post via Mashable. Image: NY Daily News]
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Video: DeWind One-Pass Trenching Animation of a Collection Trench
June 6, 2016
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,[Editor] From their video description: [/Editor]DeWind One-Pass Trenchers can install complete DEEP Groundwater Collection Trench Systems in a Single Pass Under the Groundwater Table! No Open Excavations-No Dewatering – No Pumping- No Treating discharge water- […]