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Monthly Archives: August 2022

SPT Hammer Calibration Can Be Performed During Existing Projects

CTL engineers prepare for SPT Hammer Calibration

ODOT and many public entities require geotechnical firms to complete a Standard Penetration Test (SPT) Hammer calibration at least every two years.

CTL Engineering can often make the calibration process easier for firms by completing the test in the field on existing projects.

As long as firms can dig at least 40 feet in an area without bedrock, CTL can often perform calibration while the geotechnical firm already has the SPT hammer equipment in the field.

Vibration Monitoring For Construction Projects

CTL now offers vibration monitoring services for construction projects.

Vibration monitoring services are often used to measure the level of vibrations in the ground as a result of construction activities. This is particularly true when a construction site is close to another building, requires extraordinarily heavy construction work, or requires work deep underground. Vibration monitoring services can help prevent accidental damage to nearby buildings, utilities, etc. and protect contractors and owners from liability.