Solutions to Maximize the Life of Fossil Fuel Assets
Safe, reliable fossil-powered plants remain a critical part of the energy equation in North America. With decades of experience, IIA can help plant personnel navigate the challenges of this rapidly changing industry and maximize the life of assets.
As a full-service inspection company, IIA offers conventional and advanced non-destructive examination (NDE) to pinpoint and analyze cracks, corrosion, erosion and other service-related damage in power and recovery boilers, piping systems, turbine decks — every corner of your plant. And our services don’t stop there. Our team is also experienced with lift and other mechanical devices that support your operations.
Whether you need help with routine examinations, overall condition assessments, compliance issues or an unexpected equipment challenge, IIA can deliver the answers you need to make critical decisions — fast.
IIA combines boiler visual inspections with ultrasonic thickness surveys to perform overall condition assessments to identify repair work during maintenance outages. This combination of inspections being performed during outages increases the likelihood of reducing forced outages and effectively running more consistently between planned maintenance outages. Existing customers see the difference between general boiler inspections performed by competitors and our established practice of surveying erosion/corrosion combined with visual inspections to locate damage that could potentially bring a unit off-line for unexpected forced outages.
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Inspection Methodologies
Visual Inspection
For DA tanks, steam turbines, fans, pressure vessels, high energy piping, stack/tower, etc. Our highly skilled employees will inspect for indications such as cracks, corrosion, erosion, damage, and structural integrity.
Ultrasonic Thickness Surveys & Flaw Detection
A volumetric non-destructive testing method that uses sound waves to propagate through an object.
Magnetic Particle Testing
A non-destructive testing (NDT) process for detecting surface and slightly subsurface discontinuities in ferromagnetic materials such as iron, nickel, cobalt, and some of their alloys. The process puts a magnetic field into the part to facilitate flaw detection.
Dye Penetrant Testing
A widely applied and low-cost inspection method used to locate surface-breaking defects in all non-porous materials (metals, plastics, or ceramics). PT is used to detect casting, forging and welding surface defects such as hairline cracks, surface porosity, leaks in new products, and fatigue cracks on in-service components.
Certified Welding Inspections
Qualification to either American Welding Society (AWS) or American Society of Mechanical Engineers (ASME) standards through Certified Welding Inspectors (CWI) with mobile capabilities for your convenience.
Phased Array Ultrasonic Testing
An advanced method of ultrasonic testing used to determine component quality and detect flaws in manufactured materials such as welds. In addition, it can be effectively used for wall thickness measurements in conjunction with corrosion testing. This NDT technique is minimally invasive, highly flexible, and offers multiple applications.
Eddy Current Examinations
An electromagnetic testing method used in NDT to detect near surface anomalies in conductive material.
Metallurgical Replications
An NDT method that duplicates the microstructure of a component in order to observe grain structure at high magnification.
Parts of the Plant
Boilers
IIA is commonly called in to support boiler inspection work scopes during outage maintenance projects. Our specialties include thickness surveys to identify corrosion rates on a variety of boilers (recovery, power, package, etc.) and associated equipment. Our technicians will identify areas that require repair by a welding contractor prior to returning your equipment to operation.
Fans & Ductwork
We use visual and magnetic particle testing to detect surface and slightly subsurface cracks, corrosion and other indications on draft fans on boilers. Our ductwork evaluations include visual inspections, thickness testing surveys inside ductwork, as well as pulsed eddy current testing of duct work from the outside through the external lagging.
Process & High Energy Piping
Using a variety of complementary NDE, we provide API 570-compliant ID and OD piping examinations using versatile automated robotic systems and equipment for general weld inspection, corrosion detection, mapping, pitting and wall-loss, PDI and general weld inspections, and screening and monitoring of casings
Storage Tanks
We are equipped and certified to perform API 653-compliant above-ground tank inspections. Our proprietary robotic AIRIS® tool can deploy via most tank manways. With our state-of-the-art equipment, we can even inspect tanks while they are fully operational.
Pressure Vessels
Our certified API 510 pressure vessel inspectors perform internal and external inspections in addition to performing non-destructive testing. We have the capability to perform fully automated state-of-the-art PAUT techniques for vessel shell welds, nozzle-to-shell welds, nozzle-to-safe end dissimilar metal (DM) welds, and on safe end-to-pipe, as well as elbow welds.
Turbines
By using state-of-the-art dedicated industrial design turbine blade scanners, combined with our custom applications (e.g., 3-D simulations), we are able to provide the optimal PAUT probe delivery system, customized for specific turbine configuration. As a result, inspection solutions are accurate and efficient and can determine the ideal solution for field applications.