Hydrostatic Test Planning – Fitness-For-Services Hydrostatic Test Planning for Natural Gas and Liquid Pipelines Hydrostatic testing is a standard method utilized to verify the structural integrity and strength of natural gas and liquid pipelines. By exerting water pressure inside the pipeline at levels much higher than its operational capacity, any weak spots, leaks, or flaws […]
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Test Procedures – Compliance Understanding Testing and Analysis The process of testing and analysis is paramount to discerning the exact characteristics of a product, process, or service. It is vital to adhere to a specific, standardized procedure for accuracy and reliability. The Kiefner Expertise With an enviable legacy of over 30 years in the realm
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Regulatory Support – Compliance Regulatory Landscape Interstate oil and gas pipelines are subjected to rigorous safety regulations, predominantly outlined in 49 CFR Part 192 and 49 CFR Part 195. The responsibility to issue and enforce these regulations rests with the Pipeline and Hazardous Materials Safety Administration (PHMSA) under the US Department of Transportation. Additionally, individual
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Code Interpretation and Compliance Introduction Pipelines are crucial arteries of our economy, transporting hazardous materials, and demand the utmost attention to safety and integrity. With an intricate web of gas transmission and distribution pipelines crisscrossing the US, ensuring their faultless operation is paramount. For professionals in the pipeline sector, comprehending and applying safe operational practices is
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Remaining Life Assessment (RLA) – Analysis Introduction The integrity and safety of pipelines are paramount for operators. As pipelines age, they can become susceptible to defects, such as corrosion and cracks. Remaining Life Assessment (RLA) is a systematic approach used to evaluate the health of pipelines, gauge their lifespan, and ensure that they operate safely
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Process Simulation (HYSYS) – Analysis Introduction Process simulation is a foundational tool in chemical engineering, serving as a virtual representation of real-world chemical processes. HYSYS, developed by AspenTech, is one of the most popular software applications utilized for this purpose, providing detailed analysis and optimization capabilities for various chemical processes. Why HYSYS? HYSYS stands out
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Fatigue and Fracture Mechanics Pipeline Safety Amidst Defects Pipelines can operate safely even with corrosion defects and cracks. Operators must distinguish between safe defects and those necessitating repair. We employ fundamental, regulatory-approved methods to determine the remaining strength of pipes affected by corrosion and cracking. Understanding Fatigue Failure Fatigue failure arises when a material experiences cyclic
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Kiefner Leads the Way for the Evaluation of High Risk Pipeline Systems Pipe Cutout for Examination in the Lab The Pipeline and Hazardous Materials Safety Administration (PHMSA) recognizes cast and ductile iron pipes as among the highest risk. To address the unsafe nature of these pipes, PHSMA issued “A Call to Action” to federal, state, and
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Kiefner Leads the Way for the Evaluation of High-Risk Pipeline Systems Kiefner and Associates, Inc., (Kiefner) completed several rounds of public testimony before the Illinois Commerce Commission (ICC) seeking approval for an independent engineering report based on their efforts in the City of Chicago. The report assessed the integrity and remaining lifespan of Chicago’s cast iron and ductile
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Stress Assessment of Buried Pipes under Road Crossing or Construction Sites Table of Contents: Introduction Analysis Approach Comparison of Kiefner Approach with API RP 1102 Introduction All buried pipes experience loading from the weight of soil overburden. When pipelines cross railroads, roads, parking lots, or construction sites, the pipes also experience live surface loading
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