Liquid limit, Plastic limit & Plasticity index | BS 1377-2 / ASTM D4318 / AASHTO T89 & 90 |
Linear Shrinkage | BS 1377-2 |
Wet Sieve analysis | BS 1377-2 / ASTM D422 / AASHTO T88 |
Dry Sieve analysis | BS 1377-2 / ASTM D422 / AASHTO T88 |
Hydrometer analysis | BS 1377-2 / ASTM D422 / AASHTO T88 |
MDD / OMC (2.5/4.5) | BS 1377-4 / ASTM D1557 / AASHTO T180 |
CBR (Soaked / Unsoaked ) | BS 1377-4 / ASTM D1883 / AASHTO T193 |
Soundness - Fine (Na/Mg) | ASTM C88 |
Soundness - Coarse (Na/Mg) | ASTM C88 |
Sand Equivalent Value | ASTM D2419 |
Los Angeles Abrasion | ASTM C131 / ASTM C535 |
Relative Density | BS 1377-2 |
Moisture Content | BS 1377-2 |
Consolidation | BS 1377-5 |
Shear (Large/Small) | BS 1377-7 / ASTM D3080 |
Soil Classification | BS 5930 |
Uniformity Coefficient | BS 1377-2 / ASTM D422 / AASHTO T88 |
Light weight particles | ASTM C123 / AASHTO T113 |
Bulk Density | BS 812-2 |
Flat & elongated particles | ASTM D4791 |
Unconfined Compressive strength | BS 1377-7 |
Soil Resistivity | ASTM G57 |
Thermal conductivity / resistivity | ASTM D 5334 |
Max Index Density | ASTM D 4253 |
Min Index Density | ASTM D 4254 |
Swell index | ASTM D4829 |
Acid Soluble Sulphate | BS 1377 - 3 |
Water Soluble Sulphate | BS 1377 - 3 |
Acid Soluble Chloride | BS 1377 - 3 |
Water Soluble Chloride | BS 1377 - 3 |
pH value | BS 1377 - 3 |
Electrical Conductivity | BS 1377 - 3 |
Organic Matter | BS 1377 - 3 |
Gypsum Content | BS 1377 - 3 / USAHB |
Total Soluble Salts | In House method |
Carbonate | BS 1377 - 3 |
Aluminium Content | USEPA3050B/ICP |
Total Dissolved Solids | BS 1377 - 3 |
Sieve analysis | BS 812-103.1 / ASTM C136 / AASHTO T27 / BS EN 933-1 |
Clay, Silt & Dust | BS 812-103.1 / ASTM C117 |
Flakiness index | BS 812- 105.1 / BS EN 933-3 |
Elongation Index | BS 812 - 105.2 |
Relative density (Fine) | BS 812-2 / ASTM C 128 |
Relative density (Course) | BS 812-2 / ASTM C 127 |
Water absorption | BS 812-2 / ASTM C 127,128 |
Bulk Density (Loose/Rodded) | BS 812-2 / ASTM C 29 |
Aggregate Crushing value | BS 812 - 110 |
Aggregate Impact value | BS 812 - 112 |
10 percent fines value | BS 812 - 111 |
Abrasion value | ASTM C 131 |
Soundness (Na/Mg) | ASTM C88 |
Clay lumps & Friable particles | ASTM C142 |
Voided Shell Content | BS 812 - 106 |
Drying Shrinkage | BS EN 1367 - 4 |
Crushed Face Analysis | BS EN 933-5 / ASTM D 5821 |
Bitumen Stripping Value | ASTM D1664 / AASHTO T 182 |
Sand Equivalent Value | ASTM D2419 / BS EN 933 - 8 |
Uniaxial Compressive Strength | ASTM D7012 |
Soundness (Na/Mg) | BS 812-121 / ASTM C88 |
Crushing strength | ASTM D7012 |
Point Load Index | ISRM / ASTM D5731 |
10 Percent fines value | BS 812-111 |
Petrographic examiniation | BS 812-104 / ASTM C 295 |
Polished Stone Value | BS EN1097-8 |
Finess Modulus | |
Chert Content | |
Marls & Shale Content |
Acid Soluble Sulphate | BS 812-117 |
Water Soluble Sulphate | BS 812-118 |
Acid Soluble Chloride | BS 812-117 |
Water Soluble Chloride | BS 812-118 |
Gypsum Content | USHB |
Alkali Reactivity | ASTM C289 |
Organic Impurities | ASTM C40 |
Methylene Blue Absorption | |
Silica Content | |
Full Chemical Analysis |
Flakiness index | BS 812- 105.1 / BS EN 933-3 |
Elongation Index | BS 812- 105.2 |
Relative density | BS 812-2 / ASTM C 128 |
Water absorption | BS 812-2 / ASTM C 127,128 |
Aggregate Crushing value | BS 812 - 110 |
Aggregate Impact value | BS 812 - 112 |
10 percent fines value | BS 812 - 111 |
Abrasion value | ASTM C 131 |
Soundness (Na/Mg) | ASTM C88 |
Uniaxial Compressive Strength | ASTM D7012 |
Point Load Index | ISRM / ASTM D5731 |
Petrographic examination | BS 812-104 / ASTM C 295 |
Polished Stone Value | BS EN1097-8 |
Bitumen Content by Extraction |
Bitumen Content and Grading of Aggregate |
Marshall Stability and Flow |
% Air Voids (VIM, VMA, VFB) |
% Refusal Density |
Asphalt Core Thickness & Density |
Maximum Theoretical Specific Gravity |
Index Retaining Strength |
Loss in Stability |
Asphalt Core Drilling |
Bulk Density |
MC 70 Prime coat |
Tack coat SS1H |
Tack coat RC250 |
Bitumen 60/70 |
Penetration @ 25⁰C, (100gm) 5Sec |
Softening Point |
Flash Point (Tag Open Cup) |
Ductility at @25 °C |
Saybolt Viscosity |
Kinematic Viscosity |
Solubility in trichloroethylene |
Specific Gravity at 25°C |
Loss on Heating to 1630C |
Ash Content |
Compacting Temperature (280±30 cSt) |
Mixing Temperature (170±20 cSt) |
Mix design (Theoretical) | BRE /ACI 211 |
Trial Mix | BRE /ACI 211 |
Compressive Strength Cylinders / Cores | BS1881-120/BS EN12504-1/ASTM C 39 |
Compressive Strength Precast blocks | OS 1 / BS 6073 / ASTM C140 |
Compressive Strength Paving Tiles | BS 6717 / BS EN 1367 |
Flex./Trans Strength - Flags /Kerbs | BS EN12390-5 / ASTM C 78 |
Rapid Chloride Permeability (RCPT) | ASTM C1202 / AASHTO T 277 |
Water Permeability (DIN 1048) | BS EN 12390-8 / DIN 1048 |
Initial Surface Absorption (ISAT) | BS 1881-208 |
Water Absorption | BS 1881-122 |
Water Absorption - Kerb/Tile/Block | BS 7263 / BS EN 13748 / ASTM C140 |
Drying Shrinkage | BS EN 1367 |
Modulus of Elasticity - Cylinder | BS 1881-121 |
Tensile Splitting Strength - Cylinder | BS EN 12390-6 |
Tensile Splitting Strength - Interlock Tiles | BS EN 1338 / BS 6717 |
Water Cement Ratio - Fresh Concrete | BS 1881 - 128 |
Initial and Final Setting Time | ASTM C 403 |
Grout - Volume change | BS EN 445 |
Grout - Bleeding | BS EN 445 |
Grout - Flow test | BS EN 445 |
Chloride Migration | NT BUILD 492 |
Concrete Core Cutting | BS 1881 - 120 |
Initial/Final Setting Time | BS EN 196-3 / ASTM C 191 |
Standard Consistency | BS EN 196-3 / ASTM C 191 |
Soundness | BS EN 196-3 / ASTM C 191 |
Fineness | BS EN 196-6 / ASTM C 204 |
Compressive Strength | BS EN 196-1/ASTM C 109 |
Pozzolanic Activity Index | BS EN 450 |
Heat of Hydration | BS EN196-8 / ASTM C 186 |
Bulk Density | BS EN 196-6 / ASTM C 204 |
Water |
Drinking Water Analysis |
Water Suitability for Construction (BS 3148) |
Water Suitability for Construction (BSEN 1008) |
Water Analysis as per AASHTO T 26 |
Sea Water Analysis |
Ground Water Analysis |
Biological Oxygen Demand (BOD) |
Chemical Oxygen Demand (COD) |
Total Dissolved Solids (TDS) |
Total Suspended Solids (TSS) |
Ammoniacal Nitrogen |
Organic Nitrogen |
TKN |
Total Nitrogen |
Nitrate |
Nitrite |
Phosphate |
Residual Chlorine |
Hydrogen Sulphide |
Fluoride |
pH Value |
Electrical Conductivity |
Oil & Grease |
Microbiological Analysis |
Total Plate Count (TPC/APC/HPC) |
Total Coliforms |
Fecal Coliforms |
E.Coli |
Staphylococcus Aureus |
Pseudomonas Aeruginosa |
Salmonella |
Yeast & Mold |
Listeria Monocytogens |
Bacillus Cereus |
Nematode Ova |
Clostridium Perfringes |
Legionella |
Construction material testing:
A wide range of building materials, including soil, aggregate, rock, cement, concrete, tile, asphalt, bitumen, micro silica, GGBS, fly ash, concrete blocks, kerb stone, admixture, water, etc., are examined physically, mechanically, and chemically by our construction material testing division. In addition to laboratory-oriented examinations, we also offer services for site-oriented tests. All testing are conducted in accordance with pertinent international standards and specifications as described in ASTM, BS, BS EN, AASHTO, GSO, DIN, and other publications. Tarmak Laboratories can execute the test using internal test processes based on international standards with regard to the demand and request from the clients.
Construction material testing by a TARMAK Laboratories plays a crucial role in ensuring the safety, quality, and longevity of infrastructure projects. Here’s a brief overview of its importance:
Quality Assurance: Third-party testing verifies that construction materials meet specified standards and comply with regulatory requirements. This helps ensure that materials used in construction are of high quality and fit for their intended purpose.
Risk Mitigation: Testing identifies potential weaknesses or defects in materials before they are incorporated into a project, reducing the risk of structural failures, safety hazards, and costly rework.
Compliance and Certification: Many construction projects are subject to building codes, regulations, and industry standards. Third-party testing ensures that materials meet these requirements and are certified accordingly, facilitating compliance with legal and contractual obligations.
Performance Evaluation: Testing evaluates the performance characteristics of construction materials under various conditions, such as load, stress, temperature, and environmental factors. This helps engineers and designers make informed decisions and select the most suitable materials for specific applications.
Quality Control: Regular testing throughout the construction process helps maintain quality control and ensures consistency in material properties and performance. This is essential for achieving uniformity and reliability in the finished structure.
Client Confidence: Third-party testing provides clients, investors, and stakeholders with confidence in the quality and durability of construction projects. It demonstrates a commitment to safety, reliability, and adherence to best practices.
Overall, construction material testing by a TARMAK Laboratories serves as a critical quality assurance measure, safeguarding against potential risks, ensuring compliance with standards, and ultimately contributing to the long-term success and sustainability of infrastructure projects.
Chemical Testing:
The analytical Chemistry Division provides services to determine a material’s composition, content, and quality assurance. Every test is conducted in accordance with important international standards and specifications as described in APHA, ASTM, USEPA, OS, ISO,BS,BSEN, WHO, etc. As a laboratory with ISO/IEC 17025 accreditation, nearly all chemical tests are recognized by the standards, and the analytical services cover the whole range of commodities, including soil, sediment, rock, water, building supplies, chemical products, etc. Tarmak Laboratories also offers the inspection services to the product producing organizations in addition to the analytical component.
Chemical testing of materials is crucial for several reasons:
Safety Assurance: Chemical testing ensures that materials meet safety standards and regulations, safeguarding consumers from harmful substances or chemicals that may pose health risks.
Quality Control: It helps maintain consistent quality in manufacturing processes by verifying the composition and properties of materials, ensuring they meet required specifications and standards.
Compliance and Regulation: Tarmak laboratories ensures compliance with local and international regulations, standards, and industry-specific requirements, preventing legal issues and potential liabilities.
Risk Mitigation: Identifying and mitigating potential risks associated with materials, such as toxicity, contamination, or environmental hazards, helps prevent costly recalls, damages, and reputational harm.
Product Development and Improvement: Testing provides valuable insights for product development, improvement, and innovation by assessing performance, durability, and compatibility of materials in various applications.
Customer Confidence: Certification and validation from independent third-party labs build trust and confidence among consumers, demonstrating a commitment to quality, safety, and transparency.
Market Access: Many markets and industries require certification or compliance with specific standards for market access. Tarmak Laboratories facilitates entry into new markets and ensures access to a broader customer base.
Environmental Impact: Testing helps evaluate the environmental impact of materials and products, including their recyclability, biodegradability, and eco-friendliness, supporting sustainability goals and initiatives.
In summary, chemical testing is indispensable for ensuring safety, quality, compliance, and sustainability across various industries, contributing to consumer protection, business success, and societal well-being and we Tarmak Laboratories Ensure the same for you.
Micro biology analysis:
The Microbiology branch provides specialized microbiological analysis for a wide range of materials, including water, food, swabs, air, and so forth. The microbiological analysis is a method for dissecting the materials to evaluate the quantity of microorganisms present and, if necessary, to determine what kind of organisms they are. This will serve as a guidance for the quality control process for the manufacturer or supplier.
Microbiological analysis of food and water involves the examination of samples to detect and quantify microorganisms such as bacteria, viruses, fungi, and parasites. This process is essential for ensuring the safety and quality of food and water, as microorganisms can cause foodborne illnesses and waterborne diseases.
Key aspects of microbiological analysis include:
Pathogen Detection: Testing for the presence of pathogenic microorganisms such as Salmonella, Escherichia coli (E. coli), Listeria, Campylobacter, and norovirus in food and water samples to prevent outbreaks of foodborne illness.
Indicator Organisms: Analysis includes monitoring indicator organisms such as coliform bacteria, fecal coliforms, and Enterococci, which serve as indicators of fecal contamination and the presence of potential pathogens.
Spoilage Organisms: Assessing the microbial load in food to detect spoilage organisms such as molds, yeasts, and bacteria, which can cause food spoilage, off-flavors, and deterioration of food quality.
Quantitative Analysis: Enumerating the total microbial count in food and water samples to assess hygiene practices, storage conditions, and the effectiveness of sanitation procedures.
Water Quality Monitoring: Testing water samples from various sources, including drinking water, recreational water bodies, and wastewater, to ensure compliance with safety standards and regulations.
Quality Assurance: Microbiological analysis plays a crucial role in quality assurance and control processes in food production facilities, restaurants, food service establishments, and water treatment plants.
Regulatory Compliance: Compliance with regulatory requirements and standards, such as those set by government agencies like the FDA (Food and Drug Administration) and EPA (Environmental Protection Agency), is ensured through microbiological testing of food and water samples.
Public Health Protection: Microbiological analysis of food and water contributes to protecting public health by identifying and mitigating risks associated with microbial contamination, preventing outbreaks of foodborne and waterborne diseases.
In summary, microbiological analysis of food and water is essential for safeguarding public health, ensuring food safety, and maintaining water quality standards, thereby reducing the risk of foodborne illness and waterborne diseases and We TARMAK Laboratories assures the same for you.
Geotechnical Investigation:
With an experienced team of geotechnical engineers, geologists, and technicians, Tarmak Laboratories is able to assist customers in identifying their soil strata and providing geo support by offering a variety of geological testing and drilling techniques.
Geotechnical investigation is a critical process that involves assessing the geological and engineering properties of the subsurface soil and rock formations at a specific site. It provides essential information for the planning, design, and construction of infrastructure projects such as buildings, bridges, roads, and dams.
Key aspects of geotechnical investigation include:
Site Characterization: Determining the soil and rock composition, stratigraphy, and properties, including strength, stiffness, permeability, and settlement characteristics.
Foundation Design: Assessing soil bearing capacity, settlement potential, and foundation options to ensure safe and stable support for structures.
Risk Assessment: Identifying potential geotechnical hazards such as landslides, liquefaction, and sinkholes that may affect project safety and performance.
Construction Considerations: Providing recommendations for excavation, earthwork, slope stability, and groundwater control during construction to mitigate risks and ensure project success.
Environmental Impact: Evaluating the environmental impact of construction activities on soil and groundwater quality, vegetation, and wildlife habitats.
Regulatory Compliance: Adhering to local regulations and standards related to geotechnical engineering, construction, and environmental protection.
Overall, geotechnical investigation plays a crucial role in minimizing project risks, optimizing design and construction processes, and ensuring the long-term stability, safety, and sustainability of infrastructure projects and we TARMAK Laboratories assure the same for you.
Special Testing division:
Tarmak laboratories also offer services in the Special Testing category that are based on international standards and specifically tailored internal testing protocols in accordance with the applicable standards. Tarmak Laboratories has all the necessary tools for conducting nondestructive testing on concrete. Tarmak Laboratories is very strong in Concrete and Asphalt research by employing the instrumental capabilities and the technical experience of our engineers.
We TARMAK Laboratories LLC executing the Concrete investigation and special Testing .
Concrete investigation involves the thorough examination of concrete structures to assess their quality, integrity, and durability. This process is essential for ensuring the safety and performance of buildings, bridges, dams, roads, and other infrastructure. Key aspects of concrete investigation include:
Material Analysis: Testing concrete samples to determine its composition, including the type and proportion of aggregates, cement, water, and admixtures used in the mix.
Strength Testing: Evaluating the compressive, tensile, and flexural strength of concrete to ensure it meets design requirements and standards.
Durability Assessment: Assessing the resistance of concrete to factors such as moisture, chemicals, freeze-thaw cycles, and abrasion, which can affect its long-term performance and service life.
Crack Inspection: Identifying and analyzing cracks in concrete structures to determine their cause, extent, and potential impact on structural integrity.
Reinforcement Examination: Inspecting the condition and placement of reinforcement bars (rebar) within concrete elements to ensure proper bonding and structural reinforcement.
Corrosion Testing: Testing for the presence of corrosion in reinforced concrete structures, which can weaken the integrity of the concrete and lead to structural failure.
Non-Destructive Testing (NDT): Using NDT techniques such as ultrasonic testing, ground-penetrating radar, and rebound hammer testing to assess the condition of concrete without causing damage to the structure.
Repair and Rehabilitation Recommendations: Providing recommendations for repairing, strengthening, or rehabilitating concrete structures based on the findings of the investigation.
Overall, concrete investigation helps identify defects, assess structural health, and implement maintenance and repair strategies to prolong the service life and safety of concrete infrastructure and we TARMAK Laboratories assures the same for you.
Light testing IP 66
Testing for IP66 involves assessing the product’s resistance to dust and water. To test for IP66 compliance, you’ll need specialized equipment such as dust chambers and water jets. Dust testing verifies the product’s ability to resist ingress of dust particles, while water testing assesses its resistance to powerful water jets. Conduct the tests according to the standards outlined in the IP66 rating specifications.
EPOXY Materials testing and compliance verification
Testing epoxy products for quality involves several steps to ensure they meet desired standards:
Visual Inspection: Check for any visible defects, such as bubbles, cracks, or uneven surfaces.
Hardness Testing: Measure the hardness of the epoxy using a durometer to ensure it meets specifications.
Adhesion Testing: Evaluate how well the epoxy adheres to different substrates by performing adhesion tests.
Chemical Resistance Testing: Expose the epoxy to various chemicals it may encounter in its intended environment to assess its resistance.
Flexibility Testing: Determine the flexibility of the cured epoxy by subjecting it to bending or stretching tests.
Heat Resistance Testing: Examine how the epoxy withstands high temperatures, which may involve thermal cycling or exposure to a heat source.
Curing efficiency: Ensure the epoxy has fully cured according to the manufacturer’s specifications, typically by monitoring its temperature and duration of curing.
Shrinkage Testing: Measure any shrinkage that occurs during curing to ensure it falls within acceptable limits.
Color and Appearance Evaluation: Assess the epoxy’s color consistency and overall appearance to ensure it meets aesthetic requirements.
Water Absorption Testing: Determine the amount of water the epoxy absorbs over time to assess its water resistance.
Dimensional Stability Testing: Measure any changes in dimensions that occur during curing and exposure to different environmental conditions.
By conducting these tests, manufacturers can ensure the quality and reliability of their epoxy products for various applications. We TARMAK ABORATORIES providing all these testing facilities.