As members of the design-build team, principals of Gerhart Cole Inc. (CGI) provided both project management and engineering design services for the geotechnical aspects of this massive design-build project, which involved the reconstruction of 17 miles of interstate highway through urban Salt Lake City and was recognized with ASCE’s 2002 Read more…
Although no records setting the date of first work on DMAD Dam are available, the Soil Conservation Service engineered the current geometry. Construction on this dam began late in 1959 and was completed in 1960. During State of Utah mandated Phase II dam safety studies, several issues related to dam Read more…
Seepage from old meandering Pleistocene river channels continue to feed into the left bank of Canal A (primary irrigation canal on the DMAD system) resulting in sand boils, nearly constant seepage into the canal and destabilization of the left canal banks in close proximity to DMAD Dam. Working in concert Read more…
GCI principals conducted a forensic study of failing MSE wall abutments for a railroad crossing bridge. This work for the owner included review of construction records, interviews, field observations and measurements, a geotechnical field exploration, and stability analyses to assess potential failure mechanisms. GCI principals later designed several repair alternatives, Read more…