310 Modern Park, Survey Park, Kolkata - 700075 033-2416 3444 atlasengineers.kol@gmail.com ISO 9001:2015 Certified · NABL Accredited Lab

NABL-accredited laboratory facilities.

Our state-of-the-art laboratory is equipped with advanced instruments and infrastructure to conduct a comprehensive range of soil, rock, and material testing in accordance with relevant IS codes and international standards. Backed by experienced professionals and NABL accreditation, our lab ensures accurate, reliable, and timely results to support geotechnical investigations, quality control, and engineering design.

NABL Accredited IS 2720 Series Fast Computerized Reports
Scope of testing

NABL certified testing facilities.

Fifteen certified test scopes performed against IS standards with calibrated apparatus.

Sl. NoTesting ScopeTest Method / StandardApparatus / Equipment Used
1Natural Moisture ContentIS 2720 – P2 (Sec.1)-1973, Reaff. 2010Moisture cans, Weighing balance, Oven
2Sieve AnalysisIS 2720 – P4, Clause 4, 1985, Reaff. 2010Sieve shaker, IS Sieves (coarse & fine), Weighing balance, Brush
3HydrometerIS 2720 – P4, Clause 5.2, 1985, Reaff. 2010Hydrometer, Sedimentation cylinder, Dispersing agent, Thermometer
4Liquid LimitIS 2720 – P5, Clause 6, 1985, Reaff. 2010Casagrande apparatus, Grooving tool, Spatula, Moisture cans
5Plastic LimitIS 2720 – P5, Clause 7, 1985, Reaff. 2010Glass plate, Spatula, Moisture cans, Oven
6Shrinkage LimitIS 2720 – P6, 1972, Reaff. 2011Shrinkage dish, Shrinkage limit apparatus, Weighing balance, Oven
7Specific GravityIS 2720 – P3 (Sec.1)-1980, Reaff. 2011Pycnometer, Weighing balance, Oven, Desiccator
8Unconfined Compressive StrengthIS 2720 – P10, 1991, Reaff. 2010Unconfined compression apparatus (Load frame), Proving ring or load cell
9Direct Shear TestIS 2720 – P13, 1986, Reaff. 2011Direct shear apparatus, Loading frame, Proving ring/load cell, Dial gauges
10Standard Proctor Compaction TestIS 2720 – P7, Clause 5.1, 1980, Reaff. 2011Proctor mold with collar, Rammer (2.6 kg), Balance, Oven, Straight edge
11Modified Proctor Compaction TestIS 2720 – P8, Clause 5.1, 1983, Reaff. 2010Proctor mold with collar, Rammer (4.9 kg), Balance, Oven, Straight edge
12California Bearing Ratio (Lab CBR)IS 2720 – P16, 1987, Reaff. 2011CBR testing machine, Mould with collar & base plate, Rammer, Dial gauge
13Free Swell IndexIS 2720 – P40, 1977, Reaff. 2011Two graduated cylinders (100 ml), Oven, Balance, Distilled water
14Triaxial Test (Unconsolidated Undrained)IS 2720 – P11, 1993, Reaff. 2007Triaxial cell, Loading frame, Pressure control unit, Proving ring/load cell, Dial gauges
15Consolidation TestIS 2720 – P15, 1965, Reaff. 2011Consolidometer (Oedometer), Dial gauge, Loading frame, Water bath, Weighing balance
Soil laboratory

Geotechnical testing apparatus.

Casagrande Apparatus — Liquid Limit Test

Casagrande Apparatus

Liquid Limit Test

CBR Testing Machine — California Bearing Ratio Test

CBR Testing Machine

California Bearing Ratio Test

Consolidation Test Apparatus — Consolidation Test

Consolidation Test Apparatus

Consolidation Test

Digital Balance — Precise Weight Measurement

Digital Balance

Precise Weight Measurement

Direct Shear Apparatus — Direct Shear Test

Direct Shear Apparatus

Direct Shear Test

Hot Air Oven — Moisture Content & Drying

Hot Air Oven

Moisture Content & Drying

Load Frame — Triaxial, UCS & UU Tests

Load Frame

Triaxial, UCS & UU Tests

pH Meter for Soil — In-situ pH Test

pH Meter for Soil

In-situ pH Test

Test Sieves — Grain Size Analysis

Test Sieves

Grain Size Analysis

Environmental laboratory

Water & environmental testing apparatus.

BOD Incubator — BOD Analysis of Water Samples

BOD Incubator

BOD Analysis of Water Samples

COD Digester (Open Reflux) — COD Analysis of Water Samples

COD Digester (Open Reflux)

COD Analysis of Water Samples

Conductivity Meter — Water Sample Testing

Conductivity Meter

Water Sample Testing

pH Meter — Water Sample Testing

pH Meter

Water Sample Testing

Turbidity Meter — Water Sample Testing

Turbidity Meter

Water Sample Testing