View complete article here. by Sarah Milstead This summer, Pile Buck traveled to Clarence, New York on the outskirts of Buffalo to interview Dick Hartman, P.E., referenced in the industry as the number one cofferdam expert in the world. PB: Dick, can you begin with some background of where you grew […]

View complete article here. by Sarah Milstead Bengt Fellenius has changed little since our last meeting. Age seems to elude him as he remains boyishly- handsome and still carries a discernible Swedish ac- cent. He was wearing sneakers which seemed to ease his great stride as he energetically led the way […]

By Larry Madrid, PE, D.GE, F.ASCE, president of Madrid Engineering Group, Inc., and Brian Murphy, PG, Senior Geologist First off, what is a sinkhole and how is that different from sinkhole activity?   A sinkhole is a is a depression at the land surface that is the result of soils settling, […]

By Mark Rice, Esq. At 3:20 am on August 24, 2014, I was awoke that seemed at first a hurricane of wind blowing open my backyard door. When the loud sounds continued, like storm troopers in the house, I thought I was under siege. As the initial sounds of wind […]

by Larry Madrid, PE, D.GE, F.ASCE Lands that were formerly mined for phosphate can look pretty good, but have very soft conditions just below the ground surface. We have found that the soil is generally one of three major groups: CLAYEY SAND (the result of mixing of the surficial sands with […]