Laboratory and field personnel are well experienced with several of our field technicians having numerous years’ experience on FAA projects including Springfield/Branson National Airport, Lebanon and Joplin Airports, as well as the Iola, Kansas Airport. In addition, we have performed numerous laboratory and field testing projects on U.S. Corps of Engineers facilities, particularly at Fort Leonard Wood, Missouri. Other notable projects include the John Q. Hammons Arena located on the Missouri State University campus, as well as the Downstream Casino in Quapaw, Oklahoma.

 FIELD TESTING OF FOUNDATION INSTALLATION AND EARTHWORKS 

The personnel of PPI are well trained and experienced to monitor the installation of drilled piers, shallow foundations, driven piling and augercast piles. Static load testing of piling can also be provided. PPI offers compaction control and compaction testing of soil and aggregate fill and base courses. All technicians are trained and certified to operate the area’s largest inventory of nuclear gauges.

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CONCRETE TESTING 

PPI provides comprehensive field and laboratory concrete testing services for the construction industry. PPI operates a service-oriented commercial laboratory able to provide prompt response and experienced, well-equipped personnel. Field and laboratory concrete testing services offered by PPI include:

Field Services

  • Test slump, temperatures and air content - cast compressive strength specimens

  • Sample aggregates

  • Test batches plant control - verify and adjust batch weights

  • Coring of in-place concrete

  • Swiss hammer

  • Windsor Probe

  • Ground Penetrating Radar (GPR) rebar location

 

Laboratory Services

  • Compressive strength testing of cylinders, cubes and cores - all sizes

  • Flexural strength testing of beams - standard sizes

  • Masonry - individual blocks and prisms

  • Aggregates - Los Angeles Abrasion, freeze-thaw, gradation, absorption, specific gravity

  • Mix designs

 

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ASPHALT TESTING 

  • Mix designs (Marshall and Superpave Methods)

  • Marshall Stability and Flow

  • Superpave Technology

  • Asphalt Core Density

  • Hot bin pulls/gradation

  • Extraction/gradation

  • Asphalt Oil Content by Nuclear Methods

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SOIL TESTING 

PPI operates a well-equipped soil mechanics laboratory capable of performing a full range of laboratory soil tests for geotechnical design and the construction industry. The laboratory is subject to periodic rigorous inspection to maintain AASHTO and COE certification. All testing is conducted in accordance with latest ASTM procedures. Equipment is calibrated yearly by an independent calibration service. Testing services include:

  • Index Properties

    • Atterberg Limits

    • Moisture Content

    • Classification

  • Grain Size Analysis

    • Sieves and hydrometer

  • Compaction Tests

    • Standard/Modified Proctor

  • Strength Testing

    • Unconfined Compression

    • Triaxial Compression

  • Consolidation

  • California Bearing Ratio

  • Permeability (Falling Head and Flexible Wall Permeameter)

  • Swell Tests

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WELD, BOLT TORQUE AND STEEL FRAMING 

Weld and bolt torque testing services provided by PPI is performed by personnel with Level I and II certification and are supervised by a Certified Weld Inspector (CWI) through the AWS certification program. Testing and inspection services provided under this category include:

  • Structural Steel Inspection

  • Reinforcing Steel Inspection

  • Non-destructive Testing

    • Visual

    • Dye Penetrant

    • Magnetic particle

    • Ultrasonic Flaw Detection

    • Bolt Torque Testing

  • Welder certification

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ADDITIONAL TESTING SERVICES 

Additional testing services provided to the construction industry include:

  • Fireproofing

  • Paint Thickness

  • Asbestos Identification 

  • Concrete Slabs-on-Grade Moisture Detection Kits

  • NDT for Moisture in Wood and Drywall Materials

 

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e-mail us at: ourhome@ppimo.com