Enquiry:
TEPRH is hereby inviting you to this Request for Information (RFI) related to provision of Lubricant Oil Analysis.
We want to know if you’re capable of providing attached scope of work services for our operations in Iraq :
- Supplier to confirm if it can deliver attached requirements? If supplier can only provide partial of the scope, please advise specifically which part of the scope it can provide;
- Supplier shall clearly specify whether the services can be provided in preferably Basra, other locations in Iraq or in Middle East;
- Supplier shall provide previous experience relevant to the subject scope of services;
- Any prior experience providing services to TEPRH.
APPLICABLE STANDARDS
Testing shall be conducted in accordance with the latest edition of applicable standards
including but not limited to:
IEC 60599
IEC 60156
IEC 60422
IEC 60814
IEC 62021
IEC 60247
IEEE C57.104
ASTM D1816
ASTM D1533
ASTM D971
ASTM D445
ASTM D2896
ASTM D664
ASTM D6304
ASTM E2412
ASTM D7593
ISO 4406
ISO 17025 – Guidance for interpreting dissolved gas analysis (DGA) – Determining the dielectric breakdown voltage of insulating liquids at
power frequency – Supervision and maintenance guide for insulating oils – Water content determination in insulating liquids – Determination of acidity in insulating liquids – Insulating liquids permittivity dielectric factor – Guide for the interpretation of gases generated in mineral oil – Standard test method for dielectric breakdown voltage – Standard test method for water in insulating liquid – Standard test method for interfacial tension – Standard test method for kinematic viscosity – Standard test method for base number – Standard test method for acid number – Standard test method for determination of water – Condition monitoring of used lubricants using Fourier Transfer
Infrared (FTIR) – Fuel dilution for in-service engine oils – Cleanliness code chart & guide – Accredited laboratory requirement
- LABORATARY TESTING REQUIREMENTS
Laboratory analysis in accordance with applicable standards in section.6, or equivalent
international standards. The tests below are not intended to limit or restrict the scope of
activities.
7.1.
Testing requirements of transformer oil
The CONTRACTOR shall perform in accredited laboratory of applicable:
7.1.1. Dissolved gas analysis (DGA)
Perform DGA to evaluate incipient thermal and electrical faults within transformers.
Analyse and report concentrations of:
o Hydrogen (H2)
o Methane (CH4)
o Ethane (C2H6)
o Ethylene (C2H4)
o Acetylene (C2H2)
o Carbon Monoxide (CO)
o Cabon Dioxide (CO2)
o Oxygen (O2)
o Nitrogen (N2)
Provide fault interpretation using methods such as:
o IEC 60599
o Duval triangle
o Rogers ratio
o IEEE C57.104
7.1.2. Dielectric breakdown voltage (BDV)
Determine the dielectric strength of transformer oil accordance with IEC 60156 or
equivalent standards. The report shall include:
o Individual test results
o Average breakdown voltage
o Acceptability assessment
o Recommended corrective actions
7.1.3. Moisture content analysis
Determine the water content using Karl Fischer titration techniques and report:
o Moisture content (ppm)
o Saturation percentage
o Impact on insulation performance
7.1.4. Acidity test (TAN)
Determine:
o Total acid number (TAN)
o Oxidation status of oil
o Sludge formation tendency
7.1.5. Interfacial tension (IFT)
Measure and evaluate:
o Oil contamination level
o Oxidation by-products
o Remaining oil condition
7.1.6. Dielectric dissipation factor / Tan delta
Determine:
o Dielectric loss factor
o Insulation deterioration
o Presence of contaminants and aging products
7.1.7. Furan analysis
Perform analysis of furanic compounds to assess paper insulation degradation and
estimate remaining insulation life.
7.1.8. Oil physical properties
Determine and report:
o Appearance and color
o Density
o Flash point
o Viscosity
o Sediment and sludge content
7.1.9. Conditional assessment and engineering evaluation
The CONTRACTOR shall provide a comprehensive engineering assessment including
Transformer health assessment, evaluating
Oil condition
Paper insulation condition
Presence of thermal faults
Presence of electrical discharges
Presence of arcing faults
Risk level of transformer operation
Trend analysis with the historical records for
Year to year comparison
Trending graphs
Fault development assessment
Remaining service life indication
Practical recommendations such as
Continue in service
Increased monitoring frequency
Oil filtration
Oil reclamation
Oil replacement
Transformer outage requirements
Further diagnostic testing
7.2.
Testing requirements of Engine lubricating and Hydraulic oils
The CONTRACTOR shall perform in accredited laboratory of applicable:
7.2.1. Oil condition monitoring
o Kinematic viscosity @40oC and 100oC
o Viscosity index
o Total base number (TBN)
o Total acid number (TAN)
o Oxidation
o Nitration
o Sulfation
o Remaining additive package assessment
7.2.2. Wear metal analysis
Quantitative determination of wear metals including:
o Iron (Fe)
o Chromium (Cr)
o Aluminum (Al)
o Copper (Cu)
o Lead (Pb)
o Tin (Sn)
o Nickle (Ni)
o Silver (Ag)
7.2.3. Contamination analysis
o Silicon (dust ingress)
o Sodium (Na)
o Potassium (K)
o Cooling water contamination indicators
o Water content (Karl Fischer)
o Fuel dilution
o Glycol contamination
o Particle contamination
7.2.4. Cleanliness assessment
o ISO4406 cleanliness code
o Particle count analysis
o Debris and ferrous wear particle analysis
7.2.5. Advanced diagnostic tests – as and when required
o FTIR spectroscopy – to identify organic and inorganic materials, characterising
chemical functional groups, and detecting molecular structural changes in solids,
liquids, and gases
o Analytical Ferrography – to identify wear particles, their composition, and their
origin by visually analysing them microscopically
o Rotrode filter spectroscopy (RFS) – to detect large wear and contamination
particles
o Microscopic wear particle examination
o Root cause failure investigation
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].