Quality Control and Inspection Services

Quality Control and Inspection Services

Our QA/QC & Inspection Department provides various types of Inspection and testing services to a number of clients in Nigeria such as NNPC, Oando plc, Saplet Petroleum, Nest oil, as well as many major international companies and local construction companies.
We have most modern testing equipment and highly skilled and experienced NDT Technicians, Inspectors and Inspection Engineers in our QA/QC & Inspection Department.

Some of the major services provided are the following:

  • Radiographic Examination
  • Ultrasonic Examination
  • Magnetic Particle Examination
  • Liquid Dye-Penetrant Examination
  • Alloy Verification of Steel
  • Hardness Test of metal
  • Painting & Coating - Thickness Check, Holiday Test, Adhesion Test etc
  • Supply of Inspection Engineers, Inspectors & NDT Technicians.

QA/QC & Inspection provides World Wide Vendor inspection services through our associates.
Further QA/QC & Inspection Services provides Heat Treatment Services such as Pre-Heating and Post Weld Heat Treatment using electrical resistance method. Further, TEL  has a fully computerized electrically heated furnace to carry out shop heat treatment of large assemblies, vessels etc.
QA/QC & Inspection functions as an independent inspection agency for in-house jobs. QA/QC & Inspection Department develops inspection and test

plans and control procedures for all Industrial Contracts Division projects in line with the applicable Codes and standards and client’s specification.
QA/QC & Inspection monitors as well as carries out all required stage-wise inspection and testing right from procurement stages to final release of an engineering product to client to ensure the quality of the products / services provided by us fully comply with the customers’ requirements and statutory regulations.

Industrial Maintenance

For more than 3 years, TEL has supported a solid client base by offering a 24 hour call out service for industrial maintenance.
Work in this field includes:

  • Internal cleaning & re-tubing of exchangers and furnaces
  • Maintenance of Pumps
  • Overhauling of all Valve Types
  • Spading/de-spading and rigging services for routine maintenance/shutdown works.
Shutdown Maintenance

Our clients: Exxon Mobil, Shell, NNPC, NLNG, NNPD and Major Oil companies in Nigeria. Our Team consists of well experienced, highly qualified and dedicated work force and with highly sophisticated equipments.
Nature of works: Major shut down jobs in Oil & gas plants, Petrochemical industries.
How we work: Do any kind of shutdown & overhaul works in very safe, efficient, well in advance & to entire satisfaction of our clients.
TEL provides complete team for Plant Shutdown Services for Petrochemicals, Chemicals, Fertilizers, Oil & Gas industries, Power sector etc. Plant Shutdown Team provides services for following Area:

  • Mechanical Maintenance( Rotating and Stationery Equipment)
  • Industrial Cleaning Services
  • Valve Maintenance Services
  • PSV Removal and Reinstallation Services
  • Insulation/ Refractory Repair Services
  • Electrical Maintenance Services including Relay and
  • Protection, Substation Maintenance, MCC, Transformer and Field Electrical Etc.

Instrumentation Maintenance – Field Instrumentation, DCS, PLC, ESD etc.

Valve Maintenance Facility
  • Flat Cast Iron Lapping Block
  • Surface Plates
  • Lapping Compounds
  • Diamond Polish
  • Hydro testing equipment as per AP1598
  • Test Rig with N2 Cylinders for tightening/testing of safety relief valves as per API527
  • Dead Weight Testers
  • Welding Equipments
  • Blasting & Spray Paint Equipment
  • Machining Equipment
  • Rubber Lining for Butterfly valves
  • Compressors
  • Pressure recorders
  • Pressure Gauges
  • PSV Test Benches (Ventil)
  • Portable test rig with regulator
  • Digital pressure gauges (Druck)
Traffic & Highway Maintenance
Civil & Structural Engineering

In the field of Traffic & Highway Maintenance, most of the road marking and street furniture installed in Nigeria reflect the capability and expertise of TEL in roads, airports and car park markings.
Activities involved are:

  • Supply and application of thermo-plastic and cold paint road markings
  • Traffic signals/Controllers/Remote monitoring
  • Supply and erection of traffic signs
  • Provision and installation of highway safety products
  • Supply and installation of road studs
  • Supply and fixing of ceramic markers
  • Manual and automatic traffic surveys
  • Fencing and road barriers

TEL Limited has been actively involved in civil engineering and construction projects for industrial plants and commercial residential buildings. From the beginning, Civil and Structural Engineering performed well, reaping the benefits of a rapidly growing construction sector. TEL has broadened the scope of work in the construction industry, branching off into specialist disciplines including infrastructure work, pre-cast and pre-stressed concrete structures, sub-stations, pumping and power stations and reservoirs; each independent in function, yet all forming the core of activities. Additional specialist activities include:

  • Conventional and pre-engineered steel structures
  • Carpentry and Joinery
Mechanical Engineering
Electrical Engineering

By focusing on supporting the ever increasing need for expert mechanical engineering services, TEL carries out EPIC projects in the areas of pipeline engineering, storage tank construction, plant assembly, scheduled and unscheduled maintenance and plant shutdown services. Supported by its own comprehensive fabrication facilities, TEL also undertake diverse mechanical engineering works. Backed up by a quality control and quality assurance inspection team TEL ensures that all works complies with international standards and codes of practice.

Exploring opportunities in cooperation with international companies, TEL is an active participant in numerous, substantial projects. Electrical Engineering carries out both industrial and domestic works including LV/HV power installation, Installation, Testing and Commissioning of Cathodic Protection System, Comprised of Internal Current Anodes, Junction Boxes, Splice/Terminal Boxes, CP Band Holes, Cables and Conduits. Cable laying and jointing and sub-station installation.

Instrumentation Engineering
Low Current Engineering

Synchronous to the Electrical Engineering, Instrumentation Engineering was established. Instrumentation engineering covers a wide array of maintenance, overhauling, testing, calibration and certification of all types of instruments, including safety, ESD, and control valves; PLC’s DCS / SCADA Systems, and installation
and pre-commissioning of turnkey projects. A team of professional & highly skilled technicians, specializing in oil, gas and petrochemical plants, power and desalination plants, supports companies operations.

As a core business component, TEL markets Low Current Systems in the area, devoting special attention to computing, electronic, communication, supply and installation. The Low Current Engineering Department is formed from the best engineers and technical support staff in the industry. TELS’ recognize these engineers as the backbone to its business and have invested in a professional engineering environment with the latest technologies in the fields of Telecommunication, Fire Alarm, Building & Home Management System, Closed Circuit Television, Public Address System, Network and Telephone System, and Broadcasting System. The goal is to deliver best powerful, flexible solutions that help companies and end users achieve an effective balance between performance and investment.