Sweeney Earth Sciences provides Construction Materials Testing services with an AASHTO accredited in-house laboratory equipment and highly qualified technicians dedicated to quality, accuracy and responsive client services. 

Soils

• Soils Classification

• Moisture - density relationships/standard & modified proctors

• Placement observations

• In-place density testing

• Sub-grade stabilization (lime, cemet, fly ash) observations & testing

• Water and chemical injection observation

• Moisture content confirmation drilling - injection projects

Foundation Observations & Pier Inspections

• Deep foundations (drilled piers, auger cast piles and driven piles)

• Drilling inspections

• Forming inspections

• Reinforcing steel placement

• Concrete placement

• Post-tension cable inspection

Concrete Testing

• Mix design & trial batches

• Batch plant and placement evaluations

• Compliance testing of aggregates including gradations, fineness modulus, absorption, specific gravity and unit weight

• Cylinder & beam molding and testing

• Maturity meter evaluations

• Floor flatness testing (FF/FL)

• R-Meter & Ferroscan

• Windsor probe evaluations

• Diamond bit concrete coring for compression strength and/or petrographic analysis

Masonry

• Mortar & grout mix design

• Block prism testing

• Mortar & grout testing

IBC/UBC Special Inspections

• Roofing inspections

• Spray applied fireproofing special inspections

• Structural masonry special inspections

Structural Steel - CWI, CAWI & NDT

• Shop fabrication inspections

• Shop audit inspections

• Welding procedures & welder performance qualifications

• Welding inspections - NDT, NDE, Visual

• Steel erection observations & testing

• Structural steel inspections

• Bolt tension testing

• Dye penetration, ultrasonic magnetic particles, radiography

• Pipe thickness testing

• Paint thickness

Quality Control (QA/QC) & Construction Inspection Services

• Rail and highway construction

• Client QA services including 3rd party services

• Roofing Evaluations & Testing

• Roof installation and monitoring

• Laboratory roof cut analysis

• Moisture surveys, infrared and nuclear

Special Laboratory Testing

• Sieve analysis (dry or wet method)

• Specific gravity of aggregates

• Organic matter

• Percent finer than 200 mesh

• Absorption

• Bulk unit weight

• Los Angeles abrasion

• Sodium sulphate soundness test

Bituminous Mixtures

• Mix designs

• Batch plant clarification

• Field observation and testing

• Density determination in place and core density

• Extraction to determine asphalt percentage and gradation of materials