Previous
Next

Construction and Integrity Testing of the Drilled Shafts

Malcolm Drilling installed the drilled shafts from the existing grade using a Bauer BG46 drill rig with a 263-ft (80.2 metre) long Kelly bar. Since the overburden soil layers consisted of loose manmade fill, including old wooden piles, and several sand lenses to depths of about 80 feet (24.4 metres), temporary…

Deep Foundations Institute elects Daniel MacLean as new trustee

Keller Foundations Ltd., Canada’s leader in geotechnical solutions, is pleased to announce the election of Business Development Manager Daniel R. MacLean, P. Eng. as a new Deep Foundations Institute’s (DFI) Trustee. DFI is an international association of contractors, engineers, manufacturers, suppliers, academics, and owners in the deep foundations industry. The multi-disciplinary membership…

Mike Roberts to Manage New Pile Master Air Hammer Line for ECA Subsidiary

Mike Roberts has been hired by Foundation Hammers, LLC, a subsidiary of Equipment Corporation of America (ECA). As director of pile master products, he will be responsible for overseeing manufacturing; setting up a national dealer network for distribution, sales, and rental; and developing training programs for sales, service, and repair. Pile…

Very Deep Foundations at 181 Fremont in San Francisco – Part 1

By Kirk Ellison, Ph.D., P.E., G.E., Arup North America; Eric S. Lindquist, Ph.D., P.E., Brierley Associates; and Peter Faust, Dipl.-Ing. Malcolm Drilling Company (permission from Jay Paul Company) The 181 Fremont Tower is an iconic new, mixed-use high-rise in the dense urban setting of downtown San Francisco, California, that celebrated its…