Geotechnics, a division of Klingner & Associates, P.C. has extensive experience in providing a wide range of construction services, from total project management to soil compaction testing on small building projects. Geotechnics staff is able to serve the entire tri-state region within a 50 mile radius of the closest branch office. Our services promote communication with the Contractor, and provides clients a defined level of quality control. The level and degree of control can be tailored to the needs of the client.

The firm is prequalified by the Illinois, Iowa and Missouri Departments of Transportation (IDOT & MoDOT) to perform construction inspection. Staff members are trained in construction staking; soil, aggregate, asphalt and concrete testing; nuclear moisture/density gauge use; and environmental sampling. Our staff utilizes construction procedures and standards of the American Society of Testing Materials, the American Concrete Institute, applicable State Transportation Departments, and other agencies as appropriate.

Drilling, sampling and coring  services include:

• Soil Drilling and split spoon sampling 

• Rock drilling  and rock coring

• Soil Probing and sample coring 

• Concrete and asphalt coring

       Laboratory testing services include:

• Soil –shear strength, consolidation, index properties, classification, grain size, permeability, moisture-density tests, aggregate quality tests

• Concrete-compressive strength, flexural strength, cylinder and beam molding, slump, air content and temperature tests

• Asphalt testing-Marshall mix designs, stability and flow testing, extraction and gradation

Geotechnics is validated to conduct the following material tests for the US Army Corps of Engineers:

Aggregate Tests: ASTM C29, C40, C117, C127, C128, C136, C566, C702 and D75

Bituminous Tests: ASTM D2726, D2950, D3203, D3666, E329, CRD-C650

Concrete Tests: ASTM C31, C39, C78, C138, C143, C172, C174, C231, C496, C1064, C470, C511, C617, C1040, C1077, and C1231, E329

Masonry, Mortar & Grout Tests: ASTM C780, C1019

Soil Tests: ASTM D421, D422, D698, D854, D1140, D1556, D1557, D2166, D2216, D2487, D2488, D3740, D4220, D4318, D4643, D6938, E329

Clients who choose our construction services benefit from:

• Better quality control throughout the construction process

• An experienced staff familiar with regional materials, contractors and construction methods.

• Streamlined lines of communications between Owner/Clients and contractors.

• Timely response on all size projects.

• Professional guidance in limiting and justifying necessary extra work items.