Consulting Geotechnical Engineers and Geologists
Cornerstone Geotechnical fills a unique engineering niche in the Puget Sound area. We offer the following engineering services:
Subsurface explorations and sampling
In-situ soil tests
Infiltration studies
Geologic reconnaissance
Geomorphology
Landslide and slope stability
Soil Classification – grain size distribution
Plasticity
Density/Moisture relationship
Permeability
Soil consolidation or expansion characteristics
Development considerations and recommendations
Deep and shallow foundation design
Seismic design and liquefaction analysis
Temporary and permanent shoring walls
Ground water impacts and mitigation
Environmental impacts
Quality control programs
Litigation; legal witness
Grading observations
Field density testing
Foundation subgrade evaluation
Pile and tieback inspection
Pile driving inspection
Daily report documentation
Cornerstone Geotechnical fills a unique engineering niche in the Puget Sound
area. We offer the following engineering services: 