DTL conducts complete physical and chemical testing, including that of soil/aggregate, asphalt, concrete, steel, road marking, water, and geotechnical, among others. Tests are certified, non-biased, reproducible, clear, accurate, and on-time.

Chemical analysis of concrete, cement, water, aggregate, and soil.Chemistry of concrete, cement, water, aggregate, and soil.Physical testing of raw materials, semi-finished, or finished products. Non-destructive testing, including structural load and pile testing.

Metal determination in water, wastewater, sediment of soil, and sludge. Water tightness and durability testing of structures.

Testing of asphalt mix designs (including Marshall Method) and concrete mix design.

Geotechnical investigation to ascertain subsoil conditions. Engineering recommendation for shallow and deep foundations. Consultation for any geotechnical problems. Ground water monitoring studies – installing piezometers. Determination of various field soil properties like permeability, conductivity, and resistivity. Investigation and analysis of slope stability for various structures. Field and laboratory testing. Soil improvement techniques. Surveys.

In situ – CBR
Ultrasonic velocity test for concrete
Thermal conductivity testing
Electrical
Sound/Noise level & luminaire level

DTL is the only accredited nuclear calibration laboratory in the Middle East; DTL’s entire testing facility is covered by ISO/IEC 17025 for Calibration of all makes.DTL equipment is also accredited by the Qatar Armed Forces Calibration Centre (QAFCC).

DTL conducts leak tests for all nuclear gauges, including portable and fixed.

NGSC of DTL is the only authorized supplier of ‘Humboldt’ gauges in the State of Qatar.

All its technicians are suitably qualified to carryout repairs and maintenance, leak tests
They have passed examination related to radiation safety conducted by Ministry of environment & training provided by Expert from Humboldt Manufacturer.

Field density tests using nuclear gauges. Asphalt Pavement density tests by nuclear gauges. Longitudinal Regularity of Asphalt and Pavement using travelling beam methods. Coring (both asphalt and concrete).

We undertake disposal of nuclear gauges of all makes
Our part is coordination between with Ministry & Contractor, preparing all legal documents, transport to the Manufacturer.

DTL establishes on-site mobile testing units for major projects, and offers remote testing services that may span as many months or years as a project needs.

Supply Gamma monitors, personal alarm dosimeter, film badges (neutron & gamma) & precautionary stickers

We lend moisture density gauges to perspective contractors who need moisture density gauges on monthly/fortnightly/weekly/daily