Piping Isometric Program

Office Supplies, Furniture, Technology at Office Depot. Rest assured we are working diligently to resolve this issue. If you would like to place an order by phone or speak with one of our Customer Service representatives please contact us Call 1 8. GO DEPOTReference Number 1. Piping Isometric Program' title='Piping Isometric Program' />Welcome To Combined Cycle Journal. High energy pipe HEP is under sustained stress, and stress shortens material lifethats a given. Owneroperators need a way to judge when an HEP system is approaching the end of its life so the weakened piping can be repaired or replaced. Experts recommend having a formal HEP inspectionmonitoring program in place before damage occurs. The program should measure the HEP systems exposure and vulnerabilities to predict when and where failure may occur. Piping Isometric Program' title='Piping Isometric Program' />With that information, staff can create a plan and a budget to monitor the system and respond to threats as they are identified. Several data systems capable of supporting your inspectionmonitoring program are commercially available. Driver Qualcomm Atheros Ar5b97 Wireless Network Adapter. No matter which one is selected, Matt Freeman of Structural Integrity Associates Inc told CCJs Consulting Editor Tom Armistead, the most important thing is to base the HEP program on verified data regarding the age, location, and nature of the various welds, elbows, and other vulnerable points in the piping system. Structural Integrity SI recommends a building blocks approach to program development based on the verified data and the operators knowledge of the HEP systemone that predicts the onset of wear out and identifies items to minimize the impact of early and random failures. An initial prediction of wear out may be approximate, but as the predicted date of wear out draws nearer, it can be refined and focused through a combination of non destructive examination NDE and appropriate lifetime calculations, to identify repairs consistent with failure mitigation. The foundation for the program is data, so getting a comprehensive inventory of HEP system components is the first priority. This information is culled from drawings, fabrication records, inspections, repairs, replacements, and other facts to provide an accurate picture of the systems configuration, history, and needs. Engineers then can evaluate the system to estimate when it can be expected to wear out and define the urgency at which wide scale inspection, more precise analysis, component replacement, or remediation should occur. To set priorities for system maintenance and safety, operators must draw on their industry experience, the data, observations during walkdowns, and other available information, and then balance these factors with an assessment of risk that includes stress analysis to identify locations where damage is most likely to occur. For example, creep in the pipe redistributes the stress from what it was in the original installation, and that can dramatically affect the stress in other locations in the system. Taking all the known factors, including the plants tolerance for risk, into account, personnel can create an inspection plan. Pipe Flow Expert Software Used by Engineers in over 100 Countries Worldwide. Pipe Flow Expert is our premier software program for piping design and pipe system modeling. To do construction work in Utah you need a license from the Division of Occupational and Professional Licensing. Electricians and plumbers have to be licensed. 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Periodic, multi disciplined inspections provide a clear picture of the piping system and allow early detection of potential problems. Inspection intervals are guided by stress analysis, lifetime assessments, and the sensitivity of the inspection method. A relatively insensitive methodsuch as conventional shear wavecan detect macrocracks in piping, but if none is detected, a shorter inspection interval will likely result. Important to keep in mind is that undetected microcracks could propagate to a macrocrack in a relatively short period, possibly a year or so. If a more sensitive techniquesuch as linear phased array or time of flight diffraction is used Sidebar 1then microcracks can be detected. Hence, in combination with other life assessment calculations, a longer interval can be specified before re inspection. Advanced nondestructive inspection technologiessuch as focused annular phased arrayare able to detect incipient damage. They too may allow longer intervals before subsequent re inspectiondepending on other factors from life assessment calculations. The more highly refined inspection technologies give greater confidence in the life prediction and setting re inspection interval, but they require additional inspection time and more skilled operators to collect and analyze data. Combine NDE options for best inspection results. Advanced ultrasonic techniques, mentioned earlier and profiled below, are replacing radiography they are less invasive and do not require clearance of personnel. Plus, radiography is best suited to detection of large flawssuch as those that occur during fabricationrather than micro scale flaws that occur as a result of service damage. But keep in mind that none of the advanced ultrasonic techniques described above can be applied universally each has its own strengths and limitations. For example, to evaluate seam weld damage TOFD and LPA are routinely used for general scanning of the weld volume, with APA used to provide higher fidelity data at key locations along the seam. Linear phased array is popular, but it cannot routinely detect microcracking and is quite sensitive to the orientation of the cracking relative to the ultrasonic beam. LPA can scan long lengths of pipe, as the transducer is moved along the pipe, with good volumetric coverage. Program Is Too Large Vfp. Scan results can be used to detect and characterize fabrication and service induced flaws in welds and base metal. Piping Isometric Program' title='Piping Isometric Program' />LPA also can identify locations for supplemental testing by one or more of the methods that follow, or potentially by surface replication, to detect early stage creep. It electronically sweeps a beam of ultrasound through a series of angles, or can create a different beam angles where required, allowing for good volumetric coverage at the transducer location. Unity Web Player Update Failed. Time of flight diffraction is less sensitive to the orientation of damage, and has detection capability similar to that of LPA. TOFD can be used to rapidly scan full lengths of seam welds and provide comprehensive volumetric coverage. JX/TJ/NSD-5372357/assets-images-products-pipe_isometrics1-500x500.jpg' alt='Piping Isometric Program' title='Piping Isometric Program' />It also can detect and characterize fabrication and base metal flaws, define macroscopic creep damage, and identify areas for supplemental testingfor example, with linear or annular phased array APA. Supplemental testing is good because different methods produce a variety of views and insights on the damage. Focused annular phased array ultrasonic imaging is highly sensitive and capable of detecting both micro and macro damage, but can only be applied over a limited region. APA provides distinct enhancements over conventional pulse echo and TOFD inspections, electronically shifting the focal spot to different depths. As a result, its focused beam is highly sensitive, with improved resolution for flaw characterization. However, it cannot steer and vary focal depth as LPA does. APA is often time consuming because the small spot size dictates fine pulse increments and scan raster spacing, hence its use as a complementary technique to obtain higher resolution data. Stress analysis and detailed engineering analysis are the keys to effective management of your HEP system. Confronted by an extensive system with potential for catastrophic failure, operators may be tempted to lavish resources on inspection. However, the goal of good asset management is to get the optimum use out of the piping system without having to pour exorbitant amounts of dollars into it, says SI Senior Associate Scott Rau. Stress and engineering analyses support that goal, allowing the operator to predict the remaining useful life of the system.