Ohio Department of Transportation
During construction of Ohio Department of Transportation’s (ODOT’s) I-471 highway project in the vicinity of Mt. Adams, two large landslides developed along the slopes of the southwest flank. Remedial stabilization measures included the construction of a large buttress fill, a tied-back concrete cylinder pile wall, an anchorage tunnel, and tied-down abutment slope ramp structures. This work was completed in the early 1980s, and since that time the remedial measures have been subjected to detailed inspection, monitoring, and maintenance programs.
ODOT selected Burgess & Niple to provide inspection, monitoring, and maintenance services for a 2-year term and has since extended our services for a third year. This work includes detailed concrete, ground surface, and subsurface drainage inspections; the collection of precise survey and inclinometer measurements; and the inspection of anchorage systems for corrosion and load retention. Field data is generally collected in three-month intervals and reviewed immediately. Six- and twelve-month detailed reports are prepared which describe the performance of the remedial measures and provide recommendations for remedial actions. Project features include: