DART BLUE LINE EXPANSION

Industries: Light Rails

The DART Blue Line Expansion from the Downtown Garland Light Rail Station to a new Downtown Rowlett station is important economic engines that will help drive economic development in Garland, Rowlett and the entire Metroplex. DART has chosen the design-build method to deliver the 4.8 mile light rail project. It includes one station in downtown Rowlett, concrete structures, track work and other miscellaneous items.

TERRA provided geotechnical drilling, sampling & field-testing and geotechnical laboratory testing.

Total of sixty-one (61) borings from 15.0 feet to 70.0 feet depths

Geotechnical testing included:

Atterberg Limits
Triaxial UU – Rock
Moisture Content
Triaxial CU – Rock
Dry Unit Weight
Direct Shear
Sieve Analysis
Consolidation
Grain Size Distribution – Hydrometer
Brazilian Test
Percent Passing #200 Sieve
Swell Test
Unconfined Compression – Rock
Soil Resistivity
Unconfined Compression – Soil
Corrosion Potential