Ninyo & Moore Geotechnical and Environmental Sciences Consultants.

Ninyo & Moore provides geotechnical engineering, engineering geology, geophysics, hydrogeology, soil and materials testing, and environmental services.
3202 East Harbour Drive Phoenix, AZ
Phone: 602.243.1600

Construction Inspection & Testing

Our Materials Testing Division provides full-scope soils, materials testing, and special inspection services utilizing our certified/accredited/licensed laboratory facilities and personnel. From small additions to new high school campuses, hospitals, commercial/industrial complexes, freeways, and airports, our Materials Testing Division has the experienced personnel to provide Quality Control (QC) and Quality Assurance (QA) testing and inspection services for your project.

Ninyo & Moore's soils technicians are trained by registered geotechnical engineers under accreditation procedures approved by the American Association of State Highway Officials (AASHTO). Our concrete technicians are certified by the American Concrete Institute (ACI). Our construction inspectors are certified in the disciplines of concrete, prestressed concrete, masonry, structural steel, fireproofing, and soil by the International Code Council (ICC). Additionally, selected structural steel inspectors are certified by the American Welding Society (AWS). Selected construction inspectors are certified as Inspectors of Record by the Office of Statewide Hospital Planning and Development (OSHPD). Our inspectors are also certified by local municipal building inspection departments for which we have performed various public works projects.

Ninyo & Moore offers fully equipped, well staffed, state-of-the-art laboratory facilities performing a range of laboratory testing services under the supervision of a registered civil engineer. Ninyo & Moore's laboratories are capable of performing a wide variety of soil, concrete, asphalt, and steel testing. Laboratory testing equipment is calibrated annually by representatives utilizing equipment traceable to the National Institute of Standards and Technology, and is regularly inspected by the Cement and Concrete Reference Laboratory (CCRL).

Ninyo & Moore's testing laboratories have been inspected and/or accredited by:

  • AASHTO
  • AMRL
  • ASTM
  • A2LA
  • Arizona Department of Transportation (ADOT)
  • California Department of Transportation (Caltrans)
  • California Division of the State Architect
    (DSA)
  • CCRL
  • City of Henderson
  • City of Las Vegas
  • City of Los Angeles
  • City of North Las Vegas
  • City of San Diego
  • City of Tucson
  • Clark County
  • NAQTC
  • Nevada Department of Transportation (NDOT)
  • U.S. Army Corps of Engineers

Construction Inspection

Ninyo & Moore provides special deputy inspection services for private and public works construction projects. Our available special inspection services include:

  • Reinforced concrete
  • Pre-stressed concrete
  • Reinforced masonry
  • Structural steel
  • Welding
  • Fireproofing
  • Roofing
  • Non-destructive testing
  • Ultrasonic
  • Magnetic particle
  • Liquid penetrant

Many of our field technicians and special deputy inspectors hold multiple certifications from nationally recognized certification agencies, including:

  • American Concrete Institute (ACI)
  • American Society for Nondestructive Testing (ANST)
  • American Welding Society (AWS)
  • Arizona Technical Testing Institute (ATTI)
  • California Office of Statewide Health Planning and Development (OSHPD)
  • California Department of Transportation (Caltrans)
  • California Division of the State Architect (DSA)
  • Colorado Department of Transportation (CDOT)
  • Concrete Masonry Testing Technician (CMTT)
  • International Code Conference (ICC)
  • National Institute for Certification of Engineering Technologies (NICET)
  • Nevada Department of Transportation (NDOT)
  • Texas Department of Transportation (TxDOT)

Earthwork Observation & Testing

Ninyo & Moore has provided geotechnical observation and testing services for millions of cubic yards of earthwork since our inception in 1986. Our field compaction testing services are provided by experienced soil technicians working under the supervision of licensed professional engineers. In addition to providing compaction services, our field staff also provides material compliance sampling and testing.

Our earthwork observation and testing services include:

  • In-place field density testing to evaluate relative compaction of:
    • Fill soils
    • Wall and trench backfill
    • Foundation and pavement subgrade
  • Borrow site evaluations
  • Materials conformance laboratory testing
  • Laboratory and field maximum density and optimum moisture testing

Laboratory Testing

Ninyo & Moore's accredited laboratories provide full-service soils and construction materials testing services. Our laboratories are under the supervision of licensed professional engineers and are accredited and/or certified by national organizations, including the American Association of State Highway and Transportation Officials (AASHTO) and the Cement and Concrete Reference Laboratory (CCRL). We participate in reference sample programs administered by the AASHTO Materials Reference Laboratory (AMRL). Our laboratories are also certified by their respective State regulatory agencies, as well as local governing agencies, including county and city certifications. Testing is performed by qualified and trained laboratory personnel who maintain individual certifications for laboratory testing.

Our laboratories perform full-service testing on the following materials:

  • Soils
  • Aggregates
  • Bituminous materials/asphalt concrete
  • Masonry
  • Portland cement concrete
  • Structural steel
  • Reinforcing steel
  • High strength bolts
  • Roof tiles