SERVICES

• Preliminary geotechnical assessment of a residential, commercial or industrial property prior to purchasing the property to assist with go-no go decision making

• Site Specific Seismic Studies, including evaluation of ground shaking, fault rupture, liquefaction, lateral spread, tsunami and seiche hazards

• Design-level geotechnical assessment to assist the Architect, Civil Engineer and Structural Engineer in completing the design of your project

• Geologic Hazard and Geologic Assessment reports as required by a number of local cities and counties including Longview, Kelso, Cowlitz County, Skamania County, and Tillamook County.

• Retaining wall design, including segmental block walls, boulder walls, MSE walls, gabion basket walls, cantilevered pile walls, and tieback shotcrete walls

• Deep foundation design, including pin piles, driven steel pipe and wide flange piles, driven grout piles, auger cast piles auger cast displacement piles, and drilled piers

• Shoring design including sheet pile walls and cantilevered pile walls

• Ground improvement recommendations, including Geopiers, surcharging, preloading, deep dynamic compaction, and stone columns

• Concrete and asphalt pavement design

• Laboratory testing

• Existing pavement evaluation

• Slope stability evaluation and landslide repair design

  

• Expert witness and peer review services

• Geotechnical construction inspection

• In-situ soil infiltration testing for design of stormwater disposal systems including falling head and double-ring infiltrometer test methods

• Deep foundation load testing

• Electrical Resistivity testing for design of grounding systems for communication towers and other sensitive facilities