Sunday, November 28, 2021
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Tags CalTrans workmen

Tag: CalTrans workmen

Did Lennar’s vibro-compaction test create sink holes on Treasure Island?

On Treasure Island May 28 and 29, 2015, the earth trembled and shook in a fenced-off location between the Island Cove Market and the Starburst Barracks. Engineers from Lennar’s vibro-compaction geotechnical subcontractor, Jafec USA, repeatedly sank four huge vibrating shafts 50 feet deep into Treasure Island fill, testing for the effect on the soil, groundwater and mud of the man-made island.
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