Soils Concrete Aggregate Testing

Verification of Site Soil Conditions, Fill Placement & Load-bearing Requirements

Soil and Aggregate Field and Laboratory testing:

  • Proper soil and aggregate sampling techniques
  • Soil and aggregate gradations
  • Soil/Aggregate/Bedrock classification
  • Moisture/Density Relationship/Standard & Modified Proctor Testing
  • Field Compaction testing of soils and asphalt
  • Proof rolling for subgrade verification

Bearing Capacity Testing for shallow foundations/ footing excavations:

  • Proving Ring Penetrometer
  • Dynamic Cone Penetrometer

Deep foundation inspection:

  • Pile driving
  • Drilled shaft installation
  • Soldier pile installation
  • Helical pile installation
  • Auger-cast pile installation

Geologist-Geotechnical soils inspection/ field sampling:

  • Geotechnical logging
  • Field/Split spoon soil sampling
  • Logging test borings
  • Monitoring well installation/ well development/ well logging
  • Bedrock sampling and logging
  • Installation and monitoring of settlement plates, pore pressure meters, slope inclinometers
  • Install and monitor expansion gauges/tilt meters/settlement markers for bedrock monitoring of deep sewer tunnels

Percolation testing for waste water treatment facilities/ leach fields:

  • Excavation for percolation tests
  • Measuring Drawdown
  • Determining water absorption rate

Steel Inspection

Structural Steel Inspection:

  • Materials verification (prior to bolting)
  • Bolt tightening (during bolting)
  • Compliance testing (after bolting)

Reinforcing Steel Inspection:

  • Materials verification/ identification
  • Proper reinforcing steel size, spacing, clearances, support, and orientation
  • Proper tying and supporting per specifications

Concrete Testing and Inspection

Concrete field testing:

  • Temperature testing
  • Field testing
  • Air content
  • Unit weight
  • Slump
  • Design mix verification
  • Core sampling of existing pavement/structures
  • In-situ concrete strength verification (rebound hammer and Windsor probe testing)

Concrete Laboratory Testing (QCS personnel are certified to perform the following):

  • Strength testing of concrete cylinders
  • Strength testing of concrete core samples
  • Strength testing of grout and mortar specimens
  • Self-compacting concrete- slump-flow test

Soil/Aggregate/Concrete Laboratory Certification/Verification- IAW- AASHTO/USACE
QCS personnel are certified to, and have the experience to start-up and certify remote/ mobile field laboratories and to train laboratory technicians to perform soils, aggregate and concrete testing in accordance with ASTM/AASHTO/USACE standards.

Vertical Inspection

  • Bolt tightening (during bolting)/Compliance testing (after bolting)
  • Industrial coatings
  • Fireproof coatings (thickness/pull off/density)
  • Metallizing
  • Utility installation
  • Grade beam placement
  • Floor slab pours
  • Wall construction (hold down/nail/screw/stud spacing)
  • Stairwell construction
  • Elevator shafts (mortar, grout, plumbness)
  • Roof Trusses
  • Conduits
  • Plumbing rough-ins
  • Parking garages (post-tensioning)
  • Retaining walls (Unilock style block, soldier pile, gravity, soil nail, gabion)
  • Ceiling joist placement
  • Roof deck spot welds
  • Roof insulation
  • Roof bladder (vapor barrier) installation
  • Flat roof installation (bitumen felt/mineral chip/ballast)