Construction Quality Management

J&S has extended capabilities of other specialized quality control and quality assurance (QA/QC) engineering inspections for various projects, including, among others, pharmaceutical facilities, commercial buildings, hotels, hospital structures, petroleum and port facilities. Our company can complete the following quality monitoring and quality management services:

  • Civil and Structural Engineering Inspection (QA/QC)
  • Certified Welding Inspector (CWI)
  • Concrete Quality Control (CQC)Monitoring
  • Rebar Installation Quality Control
  • Concrete Strength Estimates by Maturity Method
  • Post Tensioning Systems QA/QC (PTI Certified Technicians)
  • Bond Strength and Pull Out Testing
  • Structural Steel Installation Inspections
  • Welding and Bolt Torque Testing
  • Slab Flatness and Levelness
  • Construction Quality Management

Soil Testing and Field Earthwork Monitoring

Jaca & Sierra has assisted contractors and project owners in performing quality control testing and monitoring of earthwork operations since its foundation in 1967. J&S has experienced technichians to test field densities of engineered fill for any kind of civil construction project, such as highways, embankments, airports, industrial facilities, warehouse structures, public buildings and residential developments, among others. Our clients can also rely on the servcies of experienced senior geotechnical engineers to promptly assist with any conditions that may require consulting to seek a solution to field problems.

J&S commonly provides the following list of services:

  • Field technician for earthwork quality monitoring
  • In-place soil density testing with nuclear gauge or sand cone method
  • Field California Bearing Ratio (CBR)
  • Plate Bearing Tests
  • Asphalt pavement quality control and field density testing
  • Soil classification testing per AASHTO and USCS systems
  • Standard and modified proctor density testing