Bored to a depth of 263 feet below street level, the deepest known construction shaft in the history of San Francisco has been drilled at 181 Fremont Street, one of 42 shafts which will embed the 802-foot tower‘s foundation into the ground.
With a six-foot diameter, the shaft is a bad mother…and Malcolm Drilling dug it.

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Comments from “Plugged-In” Readers

  1. Posted by cmak

    is there a pic?

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