In-House

Laboratories.

In-House

Laboratories.

Leighton operates laboratories with an extensive inventory of equipment and cross-trained staff to complete many types of tests.

Leighton laboratories are certified by Caltrans, DSA, and AASHTO with staff certified by Caltrans and NICET.

Tests offered in-house range from simple pH and sieve analyses to extremely complex such as triaxial and torsional shear strength.

In-house materials testing includes asphalt concrete, structural concrete, Portland cement concrete, Class I aggregate base, and reinforcing steel.