Environmental Engineering is one of the core subjects of the Civil Engineering degree programme at General Sir John Kotelawala Defence University. Environmental Engineering Laboratory provides the students with facilities to investigate and observe both chemical and biological parameters related to water quality.

The laboratory is currently equipped with the following instruments to aid in undergraduate learning and engineering research:

• Microscope
• Thermostatic Cabinet
• Portable Turbidimeter
• Magnetic Stirrer
• Electronic Balance
• PH meter
• Jar test machine
• Digital Titrator
• UV Visible Spectrophotometer
• Turbidimeter
• Stop Watch
• Thermometer
• Muffle Furnace
• Distilled Water Machine
• Multimeter
• Fumehood
• Portable Incubator
• Laboratory Incubator
• Laboratory Freezer
• DO meter
• Photometer
• Top Loading Autoclave
• Imhoff cone with filtration unit
• Laboratory oven

Geotechnical Engineering is the specialty of Civil Engineering which deals with the properties
and behaviour of soil in engineering purposes. This is one of the core subject areas of the Civil Engineering degree programme offering at General Sir John Kotelawala Defence University. Geotechnical Engineering Laboratory contributes mainly for teaching activities, design project activities, and engineering research activities providing support in a wide range of specialized areas including testing of soil properties, soil characterization and stability analysis of the soil mass.

The lab tests that can be carried out at the Geotechnical Engineering Laboratory include Moisture Content Determination, Maximum and Minimum Dry Density Determination, Grain Size Analysis (Sieve Analysis), Determination of Consistency Limits and Indices, Determination of Field Density of Soil (Sand Replacement Method), Compaction Test (Standard Proctor Compaction), Permeability Test (Constant and Falling head), Consolidation Test, Direct Shear Test, and Unconfined Compression Test.

The laboratory is currently equipped with the following instruments to aid in undergraduate learning and engineering research:

• Sieve Analysis Test Apparatus
• Casagrande Test Apparatus
• Sand Cone Test Apparatus
• Standard Proctor Compaction Test Apparatus
• Permeability Test Apparatus
• Consolidation Test Apparatus
• Direct Shear Test Apparatus
• Unconfined Compression Test Apparatus
• Liquid Limit Cone penetration test apparatus
• Vane Shear Test Apparatus

The Highway and Transportation Engineering Laboratory of the Civil Engineering Department is a teaching and research laboratory and facilitates students to conduct practicals and research-oriented experiments, standard tests and their applications to engineering problems in the areas of Highway and Transportation Engineering.

The laboratory is currently equipped with the following instruments to aid in undergraduate/ postgraduate learning and engineering research:

• California Bearing Ratio (CBR) apparatus
• Dynamic Cone Penetrometer (DCP)
• Standardized bitumen penetrometer
• Ring-and-Ball apparatus
• Los Angeles Abrasion Value (LAAV) apparatus
• Aggregate Impact Value (AIV) apparatus
• Aggregate Crushing Value (ACV) apparatus
• Ductility testing machine
• Miscellaneous items:
  • Lab electric thermostatic drying oven
  • Mechanical tally counters
  • Thermometers of different ranges

The Structural Engineering Laboratory of the Civil Engineering Department at General Sir John Kotelawala Defence University is well equipped with modern facilities and instruments for structural testings.

The laboratory is currently equipped with the following instruments to aid in undergraduate learning and research:

• Universal Testing Machine (1000 kN)
• Torsion Testing machine
• Compression Testing machine (3000 kN)
• Buckling Apparats
• Bending Moment Apparatus
• Shear Force Apparatus
• Portal Frame Apparatus
• Concrete Mixer
• Slump Cone
• Vibrating Table
• Concrete Moulds

Surveying is one of the core subjects of the Civil Engineering degree programme at General Sir John Kotelawala Defence University. Surveying Laboratory facilitate students to investigate, observe and perform various engineering measurements. The laboratory contains instruments for perform Chain surveying, Theodolite surveying, Levelling surveying, Travers Surveying and Detailed surveying, Setting out surveying and applying corrections to observations.

The laboratory is currently equipped with the following instruments to aid in undergraduate learning and engineering research:

• Measuring Tape with relevant equipment
• Theodolite Machine with relevant equipment
• Levelling Machine with relevant equipment
• Total Station with relevant equipment
• Survey Grade GPS Set with Accessories

Hydraulic Engineering is one of the core subjects of the Civil Engineering degree programme at General Sir John Kotelawala Defence University. The Hydraulic Engineering Laboratory offers a variety of equipment for experimenting and analyzing various topics in fluid mechanics and hydraulic engineering including engineering properties of fluids, hydrostatics, fluid kinematics.

The laboratory is currently equipped with the following instruments to aid in undergraduate learning and engineering research:

• Bernoulli’s Theorem apparatus
• Metacentric Height Apparatus
• Hydraulic Bench
• Portable Current Meter
• Hydraulic Flume
• Flow over weirs
• Hydrostatic Pressure Apparatus
• Venturimeter & Orifice Meter