Sophisticated Equipment. Precise Results.
HGL's laboratory and field testing capabilities are built on a foundation of sophisticated, calibrated instruments - covering every material type and every testing standard our clients require.
All Equipment Calibrated by Accredited Bodies
Calibration Certificates on File
LIMS-Integrated Data Management
Nuclear Devices Licensed by NRRC
Field Investigation Equipment
Heavy machinery and field instruments deployed directly at project sites for subsurface investigation and in-situ testing.
Hydraulic Drilling Rig
Full-capability drill rig for soil boring, core sampling, and SPT. Deployable to ARAMCO and remote field sites.
FIELD · GEOTECHNICAL
Ground Penetrating Radar (GPR)
Non-destructive subsurface scanning for utilities, voids, geological layers, and embedded structures.
FIELD · SUBSURFACE DETECTION
Nuclear Density Gauge (Cs-137 & Am-241/Be)
Licensed by NRRC (Ref: F346-96). Measures in-situ density and moisture of soil and asphalt non-destructively.
FIELD · LICENSED DEVICE
Soil Testing Equipment
Specialized instruments for comprehensive geotechnical soil characterization - from basic classification to advanced compaction analysis.
Proctor Compaction Apparatus
Standard and modified Proctor compaction test equipment for determining optimum moisture content and maximum dry density.
ASTM D698 / D1557
CBR Testing Machine
Automated California Bearing Ratio load frame for evaluation of subgrade and base course bearing capacity.
ASTM D1883
Atterberg Limits Apparatus
Casagrande liquid limit device and plastic limit rolling plate for fine-grained soil plasticity classification.
ASTM D4318
Hydrometer & Sieve Set
Full sieve analysis and hydrometer sets for complete grain size distribution of coarse and fine-grained soils.
ASTM D422 / D6913
Sand Cone Density Kit
Field sand cone apparatus for in-situ density determination during earthwork compaction control.
ASTM D1556
Moisture Oven (Electric)
Precision temperature-controlled drying oven for accurate gravimetric moisture content determination of soil and aggregate samples.
ASTM D2216
Unconfined Compression Machine
Motorized load frame for unconfined compressive strength testing of cohesive soil and rock specimens.
ASTM D2166
Aggregate & Asphalt Testing Equipment
Los Angeles Abrasion Machine
Measures resistance of aggregate to degradation by abrasion and impact. Critical for road base qualification.
ASTM C131 / C535
Soundness Testing Apparatus
Sodium/magnesium sulfate soundness test for aggregate durability under freeze-thaw-like conditions.
ASTM C88
Specific Gravity Pycnometer Set
For bulk specific gravity, apparent specific gravity, and absorption of coarse and fine aggregates.
ASTM C127 / C128
Sand Equivalent Shaker
Determines clay content relative to fine aggregate - critical for asphalt mix design compliance.
ASTM D2419
Marshall Stability Test Apparatus
Complete Marshall stability and flow testing system for bituminous pavement mix design and quality control.
ASTM D6927
Bitumen Extraction Apparatus (Centrifuge)
Centrifuge and ignition oven methods for bitumen content extraction from asphalt mix cores.
ASTM D2172 / D6307
Rice Value (Gmm) Apparatus
Vacuum-based theoretical maximum specific gravity testing for volumetric asphalt mix analysis.
ASTM D2041
Flakiness & Elongation Index Gauges
Particle shape characterization equipment for aggregate quality in both base course and asphalt applications.
BS 812
Concrete Testing Equipment
Digital Compression Machine
High-capacity digital load frame for compressive strength testing of concrete cube, cylinder, and core specimens. Full digital readout with data logging.
ASTM C39 / BS 1881
Core Drilling Machine
Diamond-core drilling rig for extracting cores from hardened concrete slabs, walls, and pavements for compressive strength verification.
ASTM C42
Rebound Hammer (Schmidt)
Non-destructive surface hardness testing device for in-situ concrete strength estimation on structures and poured elements.
ASTM C805
Slump Cone & Flow Table
Standard slump cone set and flow table for workability and consistency testing of fresh concrete at point of placement.
ASTM C143
Air Entrainment Meter
Pressure-type air meter for determining air content of freshly mixed concrete - essential for durability specification compliance.
ASTM C231
Concrete Curing Tank (Controlled)
Temperature-controlled curing water tank for standardized 7-day and 28-day concrete specimen curing prior to compressive strength testing.
ASTM C31
Laboratory Information Management System (LIMS)
HGL has implemented a full-scale LIMS platform integrated across our laboratory operations. This ensures complete traceability of every sample from field collection through laboratory testing, report generation, and archiving - aligned with ISO/IEC 17025 requirements for data integrity and quality control.
- Sample registration and chain-of-custody tracking
- Automated test result logging and verification
- Digital test report generation with method reference
- Equipment calibration schedule management
- Full audit trail for ISO/IEC 17025 compliance
Calibration Transparency - Available on Request
All HGL testing equipment calibration certificates are available for client review. Calibration is performed by SAAC-accredited external providers in compliance with ISO/IEC 17025:2017 Section 6.4 - ensuring full metrological traceability to national and international standards.