Enquiry: We are supplying marine bunker fuel via truck-to-ship delivery across UAE ports. We would like a comparative quotation from you, in the same format, for the following:
Loading supervision (per truck)
Sampling and gauging the nominated shore tank before loading
Sealing of the shore tank
Inspection of the truck prior to loading
Witnessing the truck weight
Retained sample from each truck after loading
Sealing of the truck
Unloading supervision (per truck)
Verifying the seal numbers on arrival
Retained sample from each truck
Verifying the truck weight
Emptiness check
Please quote loading and unloading as a per-truck rate (lump sum, or itemized if you prefer).
Shore tank sampling, standalone (per tank)
Upper/Middle/Lower samples, 1 litre each
Bunker quality analysis (per sample)
DMA as per ISO 8217:2010 & 2017 Summer Specification
DMA as per ISO 8217:2017 Winter Specification
VLSFO/HSFO as per ISO 8217:2010 & 2017 Specification
Lubricity test (ISO 12156) where sulphur content is below 500 ppm
If possible, please also share your rate for individual parameters tested on a standalone basis (outside the full panel), and any discount that applies.
A few other things we need from you:
Which UAE ports you can cover directly – we operate across Hamriyah, Al Jurf, Sajja, Jebel Ali, Port Rashid, DMC, Khalid Port, Khorfakkan, RAK Ports/Stevin Rock, Khalifa Port, Mina Zayed, Mussafah and Mafraq
Payment terms and how long the quote is valid
VAT treatment and your TRN
Sample retention policy
Would appreciate your quotation in the same line-item format as above so we can compare directly against our current provider.
One of our highly proficient and ISO certified laboratory would be taking over this job.
Should you have any similar requisites, do drop us email and we shall revert instantly -> [email protected].
Purpose The subcontractor shall perform a complete inspection, testing, and condition assessment of the Central Chilled Water Plant (CWP) to evaluate the operational condition of eight (10) water cooled Chillers, each having capacity of 1100 TR and identify the extent of overhaul, repair, replacement, and maintenance activities required to restore the plant to reliable and efficient operation.
Scope of Services The subcontractor shall provide all necessary manpower, supervision, tools, instruments, testing equipment, consumables, transportation, and documentation required to execute the inspection. 2.1 Plant Survey and Data Collection
Conduct site visit and detailed survey of the entire chilled water plant.
Review available O&M manuals, maintenance records, equipment datasheets, and historical operating data.
Verify equipment inventory and nameplate data.
Record operating parameters and current equipment condition. 2.2 Chillers Inspection Inspect all installed chillers including but not limited to:
Compressor condition assessment.
Refrigerant circuit inspection.
Oil analysis and lubrication system inspection.
Motor insulation resistance testing.
Vibration measurements.
Bearing condition assessment.
Evaporator and condenser condition evaluation.
Tube fouling assessment.
Control panel and safety devices inspection.
Refrigerant leak inspection.
Review of operating logs and alarm history. 2.3 Pump & Piping Inspection Requirements
Contractor shall inspect the existing nine (9) primary chilled water pump, each having capacity of 1900 gpm, motor size 100 hp (approx.)
Contractor shall inspect the existing eight (8) condenser water pump, each having capacity of 3300 gpm, motor size 100 hp (approx.)
Contractor shall inspect all the existing chiller plant piping for any corrosion. Chiller plant piping consists of 14” dia, length 250 m (approx.), 10” dia, length 250 m (approx.). 2.4 Instrumentation and Control System
Functionality test for all Packaged instruments.
Functionality test for Control Valves.
Instrument cables integrity test. 2.5 Building integrity assessment
Structural integrity assessment of the steel structure for single story steel building (size 50 m x 50 m approx.) with concrete foundation.
Structural integrity assessment of five (5) concrete foundations.
Testing Requirements The subcontractor shall perform, where applicable:
Functional testing of controls and safety devices.
Deliverables The subcontractor shall submit the following: 4.1 Inspection Report A detailed report including:
Executive summary.
Equipment inventory list.
Condition assessment for each equipment item.
Identified defects and deficiencies.
Test results and measurements.
Photographic records.
Risk assessment of identified issues. 4.2 Overhaul Recommendation Report The report shall include:
Recommended overhaul scope for each equipment item.
Required repairs and replacements.
Spare parts requirements.
Manpower estimate.
Recommended shutdown duration.
Priority classification (Critical, Major, Minor).
Remaining useful life assessment.
Budgetary cost estimate for overhaul activities. 4.3 Final Assessment Matrix The subcontractor shall provide a condition index and recommendation matrix identifying:
Equipment requiring complete overhaul.
Equipment requiring partial overhaul.
Equipment requiring replacement.
Equipment suitable for continued operation.
HSE Requirements
Comply with all Client and site HSE requirements.
Obtain necessary work permits before commencement.
Follow lockout/tagout (LOTO) procedures where applicable.
Ensure personnel are adequately trained and certified.
Exclusions
Actual overhaul, repair, replacement, or procurement activities.
Major dismantling unless specifically authorized.
Refrigerant recovery and recharging unless requested separately.
Completion The subcontractor shall complete the inspection and submit the final condition assessment and overhaul recommendation report within the period specified in the contract. Outcome: The final deliverable shall provide a comprehensive basis for defining the complete overhauling scope, budget estimate, execution strategy, and shutdown plan for the Central Chilled Water Plant.
Want to learn more about Chilled Water Testing, Chiller Oil Testing, Grease Testing etc? you may visit our dedicated page LAB TESTING
Should you have any enquiries and looking for a competitive quote, feel free to contact us 24/7:
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We are currently looking to conduct comprehensive laboratory testing on the industrial grease used in our electric motor maintenance routines at 50 Degree ambient Temp.
The primary objective of this testing is to evaluate the quality and performance parameters of the grease, verify its authenticity, and ensure its suitability for the electric motor bearings in our facility.
Could you please provide a detailed quotation and information regarding the testing services you offer for lubricating grease? Specifically, we would like to include the following parameters in the scope of testing:
1. Quality & Composition Analysis (e.g., Base Oil Viscosity, Dropping Point, Consistency / NLGI Grade, Penetration Test)
This technical module establishes operational standards for characterizing heavy hydrocarbon fractions (C6+ through C36+) in natural gas testing. Laboratory technicians, measurement engineers, and production chemists will learn to:
Standard natural gas compositions group heavy fractions into lumped pseudo-components (e.g., C6+). Advanced thermodynamic modeling, pipeline custody transfer, and custody dew point management require extended analysis (C7+, C14+, C36+).
Mechanism: Hydrocarbons heavier than Isopentane (n-C5) are retained on a short precut column while light gases (N2, CH4, CO2, C2-C5) pass to the analytical column.
Valve Timing: At a pre-calculated retention time, the switching valve reverses flow across the precut column, backflushing all C6 and heavier molecules as a single consolidated peak into the Thermal Conductivity Detector (TCD).
Assumed Ratio for Property Calculation: Unless characterized, the default C6+ pseudo-component is mathematically split as:
60\%\text C6\text (Hexane)
30\%\text C7\text (Heptane)
10\%\text C8\text (Octane)
Extended C7+, C14+, and C36+ Separation
Hardware: Utilizes a standard Gas Sampling Valve (GSV) coupled with a capillary column (e.g., 100\text m \times 0.25\text mm Dimethylpolysiloxane DB-1 or HP-1) and a Flame Ionization Detector (FID).
Thermal Ramp: Temperature programming starts at low temperatures (-10^\circ\textC to 40^\circ\textC) to focus volatile fractions, then ramps at 5^\circ\textC to 15^\circ\textC/min up to 320^\circ\textC+ to elute heavy alkanes, cycloalkanes, and aromatics.
C36+ High-Temperature GC: Requires high-temperature polyimide-coated or metal capillary columns operating up to 400^\circ\textC with cool on-column injection to avoid thermal degradation of heavy waxes.
3. Sampling Protocols & Contamination Control
Sampling errors disproportionately affect C6+ through C36+ fractions due to phase behavior changes inside sampling vessels.
┌───────────────────────────────┐
│ Heated Probe in Main │
│ Gas Stream Line │
└──────────────┬────────────────┘
│
▼
┌───────────────────────────────┐
│ Heated Regulator System │
│ (Maintain T > Dewpoint +20°F)
└──────────────┬────────────────┘
│
▼
┌───────────────────────────────┐
│ Heated Transport Tubing │
│ (Trace Heating) │
└──────────────┬────────────────┘
│
▼
┌───────────────────────────────┐
│ Constant Pressure Cylinder / │
│ Chromatograph Loop │
└───────────────────────────────┘
Key Rules for High-Fraction Sampling
Maintain Thermal Envelope: Sampling lines and regulators must be heated to at least 15^\circ\textC (30^\circ\textF) above the predicted Hydrocarbon Dew Point (HDP). Drops in line temperature cause retrograde condensation, stripping C14+ and C36+ components from the vapor phase.
Phase Isolation: Ensure liquid entrainment is avoided unless using specialized liquid injection valves for NGL/condensate testing.
Materials: Use sulfinert/silcosteel-treated stainless steel tubing to prevent adsorption of aromatic heavier compounds (C6-C9 aromatics) or trace sulfur compounds.
4. Technical Calculations & Property Assignment
To calculate the Gross Heating Value (BTU/SCF), Specific Gravity, and Compressibility (Z) from an extended GC run, heavy pseudo-components must be properly characterized.
Characterization Steps
Group Quantification: Sum the total area under peakseluting within specified retention windows:
C6 Window: n-C5 elution end to n-C6 elution end.
C7+ Fraction: Sum of all peaks eluting after n-C6.
C14+ Fraction: Sum of all peaks eluting after n-C13.
C36+ Fraction: Residual material eluting after n-C35.
Molecular Weight & Density Matching: Assign physical constants to the split fractions using GPA Standard 2145 physical property tables.
We are currently seeking a budgetary quotation for the subject requirement. Please find the attached Scope of Work (SOW) for your review.
Kindly note that the bid closing date and time is 22 September 2026 at 11:00 AM.
SOW:.
1. Purpose The subcontractor shall perform a complete inspection, testing, and condition assessment of the Central Chilled Water Plant (CWP) to evaluate the operational condition of eight (8) water cooled Chillers, each having capacity of 1100 TR and identify the extent of overhaul, repair, replacement, and maintenance activities required to restore the plant to reliable and efficient operation. 2. Scope of Services The subcontractor shall provide all necessary manpower, supervision, tools, instruments, testing equipment, consumables, transportation, and documentation required to execute the inspection.
2.1 Plant Survey and Data Collection
2.2 Chillers Inspection
Testing Requirements
Deliverables The subcontractor shall submit the following: 4.1 Inspection Report 4.2 Overhaul Recommendation Report 4.3 Final Assessment Matrix
HSE Requirements
Exclusions
Completion
One of our highly proficient and ISO certified laboratory would be taking over this job.
Should you have any similar requisites, do drop us email and we shall revert instantly -> [email protected].
Groundwater testing evaluates physical appearance, organoleptic properties, mineral content, and inorganic chemical composition. Testing adheres to standardized methodologies established by the American Public Health Association (APHA) and HACH protocols to ensure analytical precision and regulatory compliance.
Physical Parameters
Physical parameters measure the aesthetic, sensory, and fundamental physical properties of groundwater.
Colour (APHA 2120 B): Evaluates organic decay or mineral presence via visual comparison against platinum-cobalt standard solutions.
Turbidity (APHA 2130 B): Measures water clarity by quantifying light scattering caused by suspended particles using a nephelometer.
Total Suspended Solids / TSS (APHA 2540 D): Determines the mass of insoluble matter retained on a filter disc after oven-drying at $103\text{–}105^\circ\text{C}$.
Odour (APHA 2150 B): Detects volatile compounds through human sensory panels using the Threshold Odor Test (TOT).
Hydrogen Sulphide (APHA 4500-S²⁻ D): Measures dissolved rotten-egg odor gas using methylene blue colorimetry.
Taste (APHA 2160): Evaluates flavor characteristics via a Flavor Profile Analysis (FPA) panel.
Total Dissolved Solids / TDS (APHA 2540 C): Measures dissolved minerals, salts, and metals left after evaporating a filtered sample at $180^\circ\text{C}$.
Calcium Hardness (APHA 2340 B & C): Quantifies dissolved calcium ions via EDTA titration using a specific indicator.
Total Hardness (APHA 2340 C): Measures combined calcium and magnesium ions via EDTA titration using Eriochrome Black T indicator.
Residual Chlorine (APHA 4500-Cl G): Quantifies free or combined disinfectant levels using DPD colorimetry.
Conductivity (APHA 2510 B): Measures the electrical current carried by dissolved ions using a conductivity cell and meter.
pH (APHA 4500-H⁺ B): Measures active hydrogen ion concentration using an electrometric glass electrode meter.
Inorganic Chemical Parameters
Inorganic chemical parameters identify dissolved minerals, nutrients, and heavy metals present in groundwater.
Sulphate (APHA 4500-SO₄²⁻): Measured via gravimetric analysis or barium chloride turbidimetric precipitation.
Magnesium (APHA 3500-Mg B): Typically calculated by subtracting Calcium Hardness from Total Hardness.
Sodium & Potassium (APHA 3120 B / Flame Photometry): Quantified using Inductively Coupled Plasma (ICP) spectroscopy or flame atomic emission.
Chlorides (APHA 4500-Cl⁻ B): Measured via argentometric titration with silver nitrate.
Nitrate & Nitrite (HACH Spectrophotometry / Colorimetry): Quantified colorimetrically using cadmium reduction or spectrophotometer reagents.
Ammonia as N: Evaluated using phenate or Nesslerization colorimetric methods.
Total Organic Carbon / TOC (TOC Analyzer): Measures dissolved organic matter via high-temperature combustion and infrared detection.
Aluminium, Iron, Copper, Zinc, & Phosphorus (APHA 3120 B / Photometric Reagents): Heavy metals and nutrients detected using ICP optical emission or specific colorimetric reagents (e.g., phenanthroline for Iron, ascorbic acid for Phosphorus).
Would you like to review specific local drinking water standards (e.g., WHO, EPA) for any of these parameters?
Want to learn more about all types of water testing? you may visit our dedicated page Water Testing
Should you have any enquiries and looking for a competitive quote, feel free to contact us 24/7:
Get a Quote Today Instant response! [email protected] Middle East – Far East – Africa – Europe – America – Australia – Asia
