us_soils_2016_june_3002011.gif us_soils_2016_june_3002010.gif
Letters
us_soils_2016_june_3002009.gif us_soils_2016_june_3002008.gif
Letters 2
Letters 3
us_soils_2016_june_3002007.jpg
NEXT
us_soils_2016_june_3002006.jpg
BACK
Front
US Soils
Former Clients:

 Embassy Suites Hotels
 Best Western Hotels
 Silicon Valley Hotels
 Executive Suites Hotels
 University of California
 Topa Bank
 Bank of Santa Clara
 Alcoa Aluminum
 Sasco Valley Electric
 Travel Lodge
 Semiconductor Manufacturers
 Great Western DW
 Franklin Financial Bank
 Broker One Financial
 Peery and Arrillaga
 South Bay Construction
 Central Peninsula Church
 Peninsula Bible Church
 Acme Bread Company
 Guittard Chocolate
 Republic National Bank
 California Style Homes
 American Homes
 Kaiser Cement
 California Pools
 Lifetime Pools
 Aquatic Pool and Spas
 Vector Laboratories
 Texas Instruments
 Trader Joe's
 Soil Reports
 Geology Reports
 Liquefaction Investigation
 Exploratory Drilling
 Piles
 Drilled Piers
 Drilling Muds, Casings
 Retaining Walls
 Footings
 Slide Repairs / Upgrades
 Debris Flows
 Underpinning
 Tiebacks
 Seismic Strengthening
 Air Photo Intrepretation
 Structural Calculations
 Concrete Structures
 Masonry Structures
 Wood Structures
 Steel Structures
 Dual Framing Systems
 Ductility Demands
 Inelastic Analysis
 Time Histories
 Response Spectrum Histories
 Expansive Soils Mitigation
 Engineered Fills
 Shoring Systems
 Graphical Presentations
 Standard Penetration Tests
 Penetrometer Tests
 Vane Tests
 Nuclear Tests
 Refraction Tests
 Reflection Tests
 Pile Tests
 Ground Radar Testing
 Direct Shear Tests
 Residual Shear Tests
 Angle of Internal Friction Tests
 Cohesion Tests
 Liquefaction Potential
 Lateral Spreading Potential
 Allowable Bearing Pressures
 Allowable Skin Friction
 Settlement Potential
 Plasticity Index
 Activity Level
 Spontaneous Potential Surveys
 Electrical Surveys: AC, DC
 Optimum DD, MC
 Strike Testing
 Velocity Testing
 Compression Tests
 Portable Drilling
 Standard Practice Drilling
 Computer Aided Design
Projects/Services:
Tests/Activities:
Started in 1978 by Charles H. Hartsog with the intent of providing complete personalized engineering services to clients who demand engineering excellence through creativity, with conscientious adherence to design, detail, and schedule.
us_soils_2016_june_3002004.gif
Letters 4
US Soils / Charles H. Hartsog
973 Linda Vista Avenue Unit A, Mountain View, CA. 94043-1949
800-877-6457, 650-969-1985
800-US-SOILS
us_soils_2016_june_3002003.jpg
Maury Roos - Chief Hydrologist of the State of California
Teaching With Professionals:
us_soils_2016_june_3002003.jpg
Robert Pierotti - Chief, Department of Water Resources for Southern California
us_soils_2016_june_3002003.jpg
James Chieh, Senior Hydraulic Engineer, US Army Corp Of Engineers
us_soils_2016_june_3002003.jpg us_soils_2016_june_3002003.jpg
Ted Johnson, Water Replenishment District of Southern California
Steve Mayville, Chief of Enforcement, California Regional Water Quality Control Board
us_soils_2016_june_3002003.jpg
Dave Mark - Principal Hydrologist, Orange County Water District
us_soils_2016_june_3002003.jpg
Bill Steele, District Area Manager, US Bureau of Reclamation
us_soils_2016_june_3002002.gif us_soils_2016_june_3002001.gif
Photos 1
Photos 2