NABL Accredited

Scope of Accreditation

Meridian Constructions is officially certified under ISO/IEC 17025:2017,
with NABL-accredited laboratory practices ensuring reliable, accurate, and technically competent testing across a comprehensive range of parameters.

Bitumen & Mixes 14
Bricks & Cement 14
Aggregates 17
Concrete 5
Soil & Rock 23
Site Testing & NDT 11

Bitumen & Bituminous Mixes

Bricks & Cement

Aggregates (Coarse & Fine)

Concrete (Fresh & Hardened)

Soil & Rock Mechanics

Site Testing & NDT

Rigorous Quality Protocol

Testing Workflow

From in-situ site testing to certified laboratory analytics, our multi-stage quality assurance protocol ensures uncompromised engineering accuracy.

01

Field Testing & Extraction

Deployment of advanced NDT equipment (UPV, Rebound Hammer) on-site, alongside precise core cutting and soil sampling.

02

Logging & Conditioning

Systematic chain-of-custody logging and temperature/humidity curing in calibrated environmental chambers for concrete and cement.

03

Precision Analytics

Executing standard IS/ASTM tests for bitumen, aggregates, and soil mechanics on NABL-calibrated digital apparatus.

04

Certified Reporting

Data verification, graphical analysis, and final ISO/IEC 17025 compliant engineering certification issued within 24-48 hours.

Fast Turnaround • Certified Testing

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Laboratory Catalog

Complete Equipment Inventory

Direct Shear Machine

Direct Shear Machine

Determines the shear strength of soil samples under controlled drainage conditions to evaluate foundation bearing capacity.

Ductility Testing Machine

Ductility Testing Machine

Measures the ductility of bituminous materials to evaluate their suitability for flexible pavement construction.

Compression Testing Machine

Compression Testing Machine

Digitally measures the compressive strength of hardened concrete cubes and cylinders to verify structural integrity.

Motorized Sieve Shaker

Motorized Sieve Shaker

Automates the gradation and particle size distribution analysis for coarse and fine aggregates.

Ultrasonic Pulse Velocity

Ultrasonic Pulse Velocity

Non-destructively assesses the homogeneity, quality, and internal flaw detection of in-situ concrete structures.

Vicat Apparatus

Vicat Apparatus

Determines the standard consistency, initial, and final setting times of hydraulic cement.

Marshall Stability Test

Marshall Stability Apparatus

Determines the maximum load and flow values of bituminous paving mixtures for road design.

Bitumen Extractor

Bitumen Extractor

Quantitatively determines the exact bitumen content present in hot-mix asphalt paving mixtures.

Hot Air Oven

Hot Air Oven

Precisely dries soil, aggregate, and concrete samples to determine accurate moisture content and specific gravity.

Heating Mantle

Heating Mantle

Provides uniform, controlled heating for chemical testing and specialized bitumen extraction processes.

Rotary High Vacuum Pump

Rotary Vacuum Pump

De-airs soil and aggregate samples for theoretical maximum specific gravity (Rice test) and precise void analysis.

Consistency Test Apparatus

Consistency Apparatus

Evaluates the flow behavior and consistency limits of fresh concrete or specialized cementitious mixtures.

Apparatus High Resolution