The not-so-common oscillation method of drilling holes for enormous underground pillars of concrete proved to be an excellent solution in a construction area that called for careful mitigation.
Drilled shafts are nothing new in the bridge construction industry; along with pile foundations, drilled shafts are one of the two most common foundations used to secure large structures like bridges. In Utah, however, the not-so-common oscillation method of drilling holes for enormous underground pillars of concrete proved to be an excellent solution in a construction area that called for careful mitigation.