Assessment of maintenance services providers

Assessment of maintenance services providers

ISQ AGD is a consulting process for the implementation of quality assessment systems in the delivery of contracts for the provision of maintenance services. These contracts are designed to be developed into two distinct phases and normally takes place over a period of three to four years. Development Identification, together with the customer and the service providers, of the parameters to be measured, duly adapted to the scope of activities covered in the contracts, facilities and equipment to assess, i.e. we define service standards adapted to the current state of objects to evaluate. The aim of this process is not to penalise service providers, but rather to create fair assessment parameters that allow this characterization to reflect the quality of services rendered in accordance with the initial state of objects. One of the grounds for this methodology is the assessment of various objects before performing the activities provided for in the service contracts, not only to be able to characterize the condition in which the objects are but also to be able to assess the adaptability of the periodicity of interventions. Monitoring Definition of sampling models, considered significant as they enable the assessment of the quality of different service contracts. Given the high volume of information that the system thus created offers, the sampling required for the assessment of the condition of equipment and facilities is frankly lower than that used in conventional systems and, consequently, its cost is very low. In this phase, the intention if that the customer, the service provider and the teams of the ISQ assess the various objects in order to establish a history, thus creating a real service profile. This process can be simplified by processing a high volume of data through a WEB interface application which allows for the dematerialisation and relocation / globalisation of the entire process of data introduction and storage, assessment consulting and reporting in a very simple and intuitive way.
Climatic and environmental product testing

Climatic and environmental product testing

ISQ laboratories performs environmental tests on finished products or subsets, while ensuring the monitoring of various parameters (electrical, mechanical). ISQ expertise Environmental tests on all types of products to assess their behaviour: Cold and heat (EN 60068-2-1, EN 60068-2-2) Damp heat (EN 60068-2-30, EN 60069-2-78) Heat and cyclic temperature (EN 60068-2-38) Salt spray (EN 60068-2-11, EN 60068-2-52) Exposure to dust (EN 60529, EN 60068-2-68) Low pressure and dry heat (EN 60068-2-41) Ozone Solar radiation and rain (EN 60068-2-5, EN 60068-2-9) Sinusoidal vibration, random and shock in 3 axes, combined with cycles of temperature and humidity (EN 60068-2-6, EN 60068-2-27, EN 60068-2-53, EN 60068-2-64) Resistance to chemical agents

Technical assistance on materials, welding and corrosion

ISQ has large experience and knowledge in the area of materials and their behaviour in corrosion and welding, providing technical assistance services to oil&gas, pulp&paper, petrochemical and power industries. Technical assistance on corrosion Corrosion diagnostics and monitoring in water systems, including thermal waters; closed circuits such as fire and HVAC systems and boiler water circuits Assessment and analysis of efficiency of methods of chemical cleaning and passivation in water circuits, in particular of boilers Diagnosis and assessment of high-temperature corrosion mechanisms Corrosion protection systems specification through the use of corrosion inhibitors or by application of cathodic protection systems and/or coatings Corrosion resisting materials selection and specification Technical assistance materials Materials characterization, identification and selection depending on application and assessment of its suitability to the environment and service conditions Materials corrosion behaviour evaluation, including evaluation of mechanical, chemical and metallurgical resistance when exposed to certain environments or service conditions Degradation mechanisms analysis, including corrosion, cracking, fracture or mechanical failure Protection coatings against wear and corrosion Technical assistance in welding Materials characterization Weldability tests Welding processes selection Welding procedures qualification (Notified Body) Welders qualification (Accredited Body) Defects and failures analysis – causes and remedial advice EWF - Welding Specialist service; Welding Engineer service; Welder service Inspection and quality control Welding interventions on gas pipeline preparation, assistance and control without interrupting the gas flow Technical assistance on repairs by welding (maintenance welding) Training
Materials characterization

Materials characterization

ISQ has technical and laboratory capability, which makes it possible to characterize, select and evaluate the degradation of metallic, ceramic, polymeric and inorganic materials in the laboratory or on-site. Chemical composition Bench-top optical emission spectrometry (OES) Mobile optical emission spectrometry (Non-destructive test) Infrared absorption (carbon and sulphur contents determination) X-ray fluorescence (PMI) Structural characterization X-ray diffraction (XRD) Fourier transform infrared spectroscopy (FTIR) Surface analysis Glow discharge optical emission spectroscopy (GDOES) Scanning electron microscopy (SEM) Mechanical tests Metallic materials Uniaxial compression and tensile tests until 500kN Charpy tests up to 300J, from -196 to +35ºC Bend tests up to 200kN and 180ºC Fatigue tests up to 500kN Nick-break in welded joints up to 500kN Fracture tests and Peel-test in welded joints up to 500kN Vickers, Rockwell and Brinnel Hardness tests in parent material and welded joints Polymeric materials Uniaxial tensile test until 500kN Bend test up to 200kN and 180ºC Peel-test, T-peel, or compression tests on welded joints up 500kN Shore A and D Hardness Microscopic evaluation of the dispersion of carbon black and pigments in Polyolefin Concrete (freshly mixed and hardened concrete) Compression tests of cubes and cylindrical concrete test specimens Bending test of concrete prisms Concrete slump test (Abrams Cone) Cores concrete extraction, cutting and grinding of the faces of compression Mortar bending and compression test Determination of modulus of elasticity Diametrical compression test Granulometric analysis Experimental stress analysis Determination of deformation (static or dynamic) at room temperature or high temperature, in materials or components. Non-destructive technique which allows us to determine the service stress in-situ, i.e. during the normal operation of the equipment. The measurement of residual stresses can be performed through the methods of the hole-drilling, Barkhausen noise and x-ray diffraction. Corrosion resistance Climatic tests Salt spray tests (neutral, with acetic acid and with the addition of copper) Moisture testing Thermal shock tests: temperatures from -45 to 180ºC and humidity from 10 to 98% (between 10 and 95ºC) Sulphur dioxide tests (Kesternich test) Chemical and electrochemical tests Pitting and crevice corrosion (ASTM G48) Intergranular corrosion (ASTM A262, ASTM G28, ISO 3651-2, ISO 15329) Detecting detrimental intermetallic phase in duplex stainless steels (ASTM A923) Corrosion under different loading conditions, static or dynamic (SCC, corrosion fatigue) DC and AC techniques for electrochemical characterization Critical pitting temperature (CPT) and crevice (CCT) Microbiological tests with impact on materials degradation Determination of the presence of sulfate-reducing bacteria (SRB) Determination of total aerobic bacteria Determination of the presence of total anaerobic bacteria Determination of the presence of Fe-oxidizing bacteria Identification of asbestos fibers in materials Identification and quantification of asbestos fibers through Polarized Light Microscopy, in friable and non-friable material. Qualitative and quantitative analysis of other types of non-asbestos fibers that may be present in these materials. Microestrutural Metallographic tests (macro and micro) Classification of imperfections in welded joints Microstructural characterization of metallic and polymeric materials Determination of average grain size and volume fraction in metallic materials Determination of thickness of surface hardened layers in steel Determination of coatings thickness (galvanized steels, paints, varnishes) Graphite classification in cast irons Determination of non-metallic inclusions in steels and cast irons Microstructural characterization of welded joints Metallographic replicas (non-destructive testing) The wide technical capability of Materials Laboratory is not confined to performing tests, but develops R&D activities and offers the following services: Materials characterization Corrosion failure analyses Microbiological corrosion Corrosion monitoring Cathodic protection Materials selection Research of degradation mechanisms by corrosion Hydrogen embrittlement Corrosion performance of welded joints Read more
Non-destructive testing - Conventional

Non-destructive testing – Conventional

Non-destructive control laboratory The Non-destructive testing laboratory, offers a wide range of non-destructive tests to its customers. Also known as techniques of "NDT - Non-Destructive Testing" or NDE - Non Destructive Evaluation, the conventional non-destructive testing techniques use the basic principles of visual inspection; radiography; ultrasound and electromagnetism to perform the detection and dimensioning of discontinuities in materials. The application of one or several test techniques allows us to provide fundamental elements for the assessment of the condition and quality of construction. With the exception of industrial radiography conventional non-destructive testing does not provide a record of results, being dependent on the punctual assessment that should always be performed by a qualified technician. ISQ expertise Penetrant liquids Magnetic particles Industrial radiography (x-ray) Industrial gammagraphy (gamma rays) Ultrasound Induced currents Ultrasonic thickness measurement Materials laboratory The materials laboratory has portable equipment to perform non-destructive testing at the customer's premises. ISQ expertise Chemical analysis of metallic alloys (two portable sets of equipment) Optical emission spectrometry X-Ray fluorescence Testing the hardness Metallographic replicas Measurement of ferrite Read more
ISQ Certification - gas technician

ISQ Certification – gas technician

Participants will be able to: Prepare a gas network project Monitor and control its material implementation Check the materials used in accordance with the regulatory standards To supervise the work of installation, repair and conversion of gas appliances and mechanical strength, and leak-proof capacity of gas networks
Structural analysis by computer simulation

Structural analysis by computer simulation

ISQ performs numerical simulations of structural mechanics using the commercial software ANSYS, which is based on the finite element method. These simulations cover a wide range of subjects such as: static, stability and dynamic analysis of structures, which may contain geometric nonlinearities. Furthermore the material models and the modeling of the contact between the various parts are also thoroughly analyzed.
Inspection and repair approval

Inspection and repair approval

ISQ provides a monitoring, inspection and repair approval services of infrastructure and equipment in a wide range of industries, such as oil refineries, petrochemical plants, paper mills and power plants, attesting compliance with technical specifications of repairs. ISQ expertise Analysis and evaluation of the existing situation Proposal of solutions Monitoring of repair entity in the performance of the repair Verification of compliance with the previously specified repair procedure Testing for quality control purposes Approval of the repair In this type of service, ISQ can be hired by the owners or users of affected devices or by the repair entities.
Inspection of thermal insulations

Inspection of thermal insulations

ISQ has certified specialists and suitable measurement equipment, in particular thermography to perform thermal insulation inspections. This inspections covers, among others, insulation of circuits of hot and/or cold, such as piping mats, inner boiler refractories, furnaces or chimneys, walls, panels and/or other insulating structures.

Thermodynamic testing

ISQ thermodynamic laboratory has a technical team experienced in thermodynamics and has a wide range of equipment and processes that allow you to perform numerous types of tests and inspections in this area. Support and thermodynamics studies Consulting Project analysis Energy audits Inspection Ventilation HVAC Cold/Heat Standard thermography Loc_In thermography Thermography with micro-wave excitement Testing Dilatometry Processes of fusion / crystallization Degree of crystallinity Polymorphism Vitreous transitions Thermal decomposition Oxidative stability - OIT Solid-solid reactions Purity Cp - specific heat Thermal diffusivity 0,001 to 10 cm2/sec Thermal conductivity 0.1 ... 2000 W/(m*K) Testing in vacuum with temperature control Vibration test with temperature control Tensile strength testing with temperature control ATP certification testing Testing in climatic chamber -30 ºC +50 ºC of large dimensions Dedicated not standard testing in collaboration with our customers
In-service inspection in industrial plants

In-service inspection in industrial plants

ISQ provides an independent service of shutdown and turnaround inspection in industrial plants, to support the operators in the optimisation of the lifecycle and performance of your premises, in accordance with the strategic and economic objectives, safety and environmental aspects. In the process industry, periodicals shutdowns allows for the performance of actions of extended maintenance and inspection of equipment and facilities. Shutdown inspection in industrial plants, medium-sized or large, requires a preparation step relatively complex and the use of a fair deal of human and material resources for the implementation of the planned actions. As a result of this, are defined inspection and test plans, for each equipment or component, which should take into account the history, the project and operational conditions and the determination of the likely mechanisms of degradation of the equipment. The inspection and test plan will define the types of inspection and tests to be carried out as well as the sampling and the areas to be tested. During shutdowns, inspections may be voluntary or derived from legal obligations (D.L. nº. 211/99 and D.L. nº. 90/2010, in the case of Portugal). In any case, inspections during shutdowns are part of the management of the integrity of the equipment and facilities of a company that is aware of the need to ensure the proper functioning and security of their units. ISQ supports its customers in different phases associated with a shutdown for inspection of industrial equipment. ISQ expertise Shutdown organisation plan Inspection and testing plans Coordination of all the activities during the shutdown Issuance of a specific report by each equipment, with conclusions and practical recommendations on the suitability for the service, for the next operation period provided ISQ has a long experience, human and material resources in inspection during shutdown of equipment and industrial installations, in a context of total management of its integrity.
Consulting and studies of mechanical and structural engineering

Consulting and studies of mechanical and structural engineering

ISQ performs comprehensive studies of mechanical and structural engineering, namely pertaining to static, dynamic and stability behavior of mechanisms, components and structures. We also use the expertise developed through the years to provide consultancy services in these areas.
Thermodynamic characterisation of materials (specific heat

Thermodynamic characterisation of materials (specific heat, thermal conductivity, dilatometrics)

Dilatometrics TMA 402 F1 Hyperion testing and analysis equipment for dilatometry testing of samples under the following conditions: Max length: 30 mm Measurement range ± 2.5 mm ± 2.5 mm Resolution of dig: (length) 0,125 nm 0,125 nm Range of strength 0,001 N ± 3 N in steps of 0.2 mN 0,001 N ± 3 N in steps of 0.2 mN Resolution of dig: (force) < 0.01 mN < 0.01 mN Force modulated up to 1 Hz Maximum vacuum < 10-4 mbar < 10-2 mbar Combined System TG-DTA-DSC TG (Termo-Gravimetrics) measures the variation in the mass of the sample depending on the temperature or time DTA (Differential Thermal Analysis) is used to measure energy purposes when a sample is subjected to a controlled temperature program. The analysis of transition temperatures, such as decomposition temperatures, fusion or vitreous transition, can be measured with great accuracy The DSC (Differential Scanning Calorimetry) technique is the most common thermal analysis for the characterization of solids and liquids and can be used for the study of: System for the operation of room temperature up to 1650 ºC or from -120 ºC up to + 1000 ºC Processes of fusion/crystallization Degree of crystallinity Polymorphism Vitreous transitions Thermal decomposition Oxidative stability – ILO-OIT Solid-solid purity reactions Cp - specific heat Thermal diffusivity 0.001 to 10 cm2/sec Specific heat Thermal conductivity 0.1 ... 2000 W/(m*K) Thermal diffusion/thermal conductivity LFA (Laser Flash Analysis) is a technique where the thermal diffusivity of a sample (powders, solids or liquids) is measured by monitoring the rise in temperature of the sample, when subjected to the pulse of a source of energy. Calculates the specific heat of the sample. When knowing the thermal diffusivity and specific heat of the sample the thermal conductivity can thus be calculated. System in operation under ambient temperature up to 1100 ºC. Versatile System that allows the measurement in powders, solids and liquids. ISQ area of thermodynamic characterization of materials is equipped with NETZSCH equipment.
Inspection of infrastructure and telecommunication towers

Inspection of infrastructure and telecommunication towers

ISQ performs inspection of telecommunications infrastructures in buildings and telecommunication towers to ensure the compliance with the terms of operability and security to support the electronic communications services offered by telecommunications operators. Telecommunications infrastructures Technical inspection in accordance with the technical rules in force to prepare operational reports and to assess compliance. Ascertainment of compliance between the project and the installation Testing wiring of copper pairs Testing of coaxial cable networks Testing fibre optic networks Telecommunication towers According to the infrastructure history and its project and operation characteristics, inspection techniques such as non-destructive, dimensional, metallurgical or other types of tests may prove necessary for proper assessment of their condition. The ISQ offers an evaluation of the results, conclusions and practical recommendations with a view to ensure equipment operation, periodicity of subsequent inspections, any repairs or recommendation of partial replacement/total equipment.
Evaluation and monitoring of the quality of electrical energy

Evaluation and monitoring of the quality of electrical energy

ISQ ascertains the quality of electrical energy, identifying nonconformities with the standard NP EN 50160, and analyses all the recorded parameters. Quality of electrical energy Analysis and monitoring of the quality of the electrical energy, according to the standard NP EN 50160, using Class A precision equipment Monitoring disturbances in electrical grids Measurement and record of the total harmonic distortion of voltage and current. Registration of the waveform. Ascertainment of the nature and origin of harmonic distortions Energy and power Measuring and recording of all parameters of energy and electrical power (voltage, current, starting current, power factor, energy consumed, etc.). Possibility of monitoring for extended periods.
Environmental remediation

Environmental remediation

The existence of contaminated soils and waters constitutes an environmental liability with adverse effects not only on public health and ecosystems, but also with negative effects in the economy, since the presence of contamination inhibits the full use and exploitation of land and water. ISQ undertakes soil and water contamination studies, possessing all necessary technical and human resources for: Historical assessment Definition of sampling plans Field sampling Laboratory analysis of a wide range of pollutants Evaluation of results according to international standards Definition of contaminant plumes extension through modelling techniques ISQ also develops remediation projects, on the basis of a technical and economic evaluation of the best available techniques and risk analysis. The remediation process steps are: Assessment of the contamination; Risk analysis; Elaboration of the remediation project; Decontamination; Monitoring.
Metrological verification of sound meters

Metrological verification of sound meters

The Laboratory of Acoustics performs metrological verification of sound meters in accordance with legal requirements.
Buildings distribution networks inspection

Buildings distribution networks inspection

ISQ performs technical assessment inspection of distribution networks of coaxial cables, water systems in buildings and thermal and photovoltaic solar systems. Coaxial cables Technical inspection for assessment of coaxial cable networks for CATV, MATV and SMATV service support in every type of cabling and structured networks. Testing Signal strength/attenuation Signal to noise ratio RBER for analogue and digital signals Fibre-optic networks Technical inspection of assessment of fibre-optic networks to support all telecommunication services and every all types of electrical wiring in structured networks. Performance of tests set out in EN 50174 standard or equivalent, including tests of total loss and optical reflectometry. Copper pairs networks Technical inspection for assessment of copper networks to support voice and data services, in every type of electrical cabling in structured networks. Performance of the tests set out in EN 50174 standard or equivalent as continuity, attenuation, NEXT, ACR, losses per return, loop resistance, propagation delay, differential delay, PSNEXT, PSACR, ELFEXT, PSELFEXT, for types of connection applicable and types of desired cabling, particularly category 5E and 6A. Water system in buildings Monitoring and validation of hydraulic and hydrostatic tests, according to technical and regulatory requirements in water and sanitation for all materials, in particular through the application of testing standards (EN 805, NP 1610, NP 1611 and others) and customer requirements. Thermal solar and photovoltaic systems Requirements survey Technical specifications Verification of compliance with the technical installation specifications Analysis of the system actual status Checking the operation of the system Reception of solar installations Technical reports Technical solutions
Vibrations analysis (Modal)

Vibrations analysis (Modal)

We perform vibration, functional, fatigue, shock and modal analysis testing. The thermodynamics laboratory features a high performance/capacity shaker to cope with the growing demand of vibration testing. The installed shaker is a LDS, model V9 of 105 Kn, 5 Hz up to 3000 Hz, equipped with horizontal table of 1.2 m x 1.2 m and guided vertical expander of 1.0 m x 1.0 m allowing you to perform tests on large dimension mass and parts. The data acquisition system is a 44-channel LSM system channels which allows us to perform functional, fatigue, shock and modal analysis testing. This shaker is also equipped with climatic chamber of 2.0 m x 2.0 m x 2.0 m allowing for tests to be carried out in the range of -50ºC to 150ºC. This entire system is fitted on an acoustic protection and "clean" camera in order to meet the requirements of most demanding industries such as Aerospace.
Metrological verification in the car sector

Metrological verification in the car sector

Laboratory qualified to perform verifications of exhaust gas analysers and opacimeter systems. Analysers of exhaust gases Opacimeter systems
Calibration of acoustic and vibration equipment

Calibration of acoustic and vibration equipment

The Acoustics and Vibration Laboratory performs calibration of different equipment associated to noise measurement and clinical audiometric studies. It offers solutions to the industrial area by performing vibration measurement and equipment calibration, along with works in the hygiene and safety areas, particularly as regards vibrations associated to the human body. Acoustics IEC61672 Sound lever meters Sound lever meter filters of octave band and fractional octave band - IEC61260 Acoustic calibrators Noise dosimeters Piston phones Audiometers Vibration Singe axis and triple axis accelerometers with capacity for frequency response ascertainment Vibration calibrators Vibration measurement systems Vibration measurement systems associated to human body, hand-arm, whole body Systems of vibration measurement, in accordance with standard ISO 8041:2005, from 0,5 Hz to 10 kHz Calibration of seismographs