Industry Insights Articles Archives - Page 6 of 11 - The Equity Engineering Group, Inc.

Hot Tap Evaluations and Practical Guidance for In-Service Repair Welding

Nov 1, 2023

In-service welding as part of a maintenance program is a practical and economical way to address leak repairs or new nozzle installations; however, it does come with a few risks, including burn-through and hydrogen-induced cracking. In this article, Raj will discuss the risks involved with in-service welding, thermal analysis to quantify the risks, and practical in-service welding considerations to ensure safe and successful hot tap connections.

Leveraging EP-7-3-3 Series for Equipment Repairs

Nov 1, 2023

The need for post-construction equipment repairs and maintenance best practices has led to ASME PCC-1 and PCC-2 standards becoming valuable resources for many owner-operators, yet these standards inherently maintain a level of generality. In this article, Derek and Neal will explain how the Equity Engineering Practices (EEPs), specifically EP 7-3-3, address the gaps and provide the extra context, details, and guidance to provide more comprehensive solutions for post-construction equipment repairs.

Fitness-for-Service for Asset Management of Air Coolers

Sep 25, 2023

Air-cooled heat exchangers (ACHEs) are designed to use ambient air to cool or condense a process fluid, which eliminates the need for large cooling water capacities. In this article, Kate and Ben discuss how a fitness-for-service (FFS) assessment can be a very powerful tool in air cooler lifecycle management to improve inspection planning and guide run, repair, or replace decisions.

Reliability Issues Associated with Brazed Aluminum Heat Exchangers

Sep 25, 2023

Brazed aluminum heat exchangers (BAHXs) are distinctly prone to several damage mechanisms, including thermal fatigue, cracking, and corrosion. In this comprehensive article, the author uses a 2016 BAHX failure to explain typical BAHX reliability and maintenance issues and provide an overview of practical damage mitigation techniques.

Leveraging Omega Creep Assessments to Extend Fired Heater Tube Remaining Life

Aug 29, 2023

Creep, a common damage mechanism across the refining industry, is commonly often found in fired heaters and boilers. In this article, Lucas offers a detailed description of an Omega creep test and shares the benefits of performing this analysis to accurately diagnose current damage and extend the remaining life of a facility’s fired heater tubes.

Commentary on the High-Temperature Behavior of Welds

Aug 29, 2023

Welds are often the weak links in pressure equipment and other structures, especially when operated at elevated operating temperatures. This article highlights the importance of understanding the high-temperature behavior of welds, specifically in relation to creep response, and discusses how creep testing helps to predict remaining life.

Leveraging Process Simulation for Informed Decision-Making

Jul 25, 2023

Process simulation models changes to a process, operations, or pressure relieving systems. Proactively simulating proposed changes at your facility will save money, improve safety process, and increase equipment reliability. In this article, you’ll read how investing in the long-term maintenance of your simulations will lead to better insights into the downstream effects of any changes and help you troubleshoot any process upsets.

Managing Tube Rupture Failure Risks in Pressure Relief Systems

Jul 25, 2023

API 521 outlines the requirements for analyzing the credibility of a tube rupture and how to design overpressure protection in heat exchangers. Determining the credibility of a tube rupture can save a facility money on costly mitigation measures. In this article, you’ll learn about E2G’s proprietary tube rupture credibility assessment (TRCA) methodology and the four components needed to address API 521 requirements.

Large-Scale SFS Projects

Jun 27, 2023

Occupational Safety and Health Administration (OSHA) requires owner-users to maintain essential documentation authenticating adequate design and maintenance of pressure vessels and storage tanks. Unfortunately, it is not uncommon to find equipment operating in industry with minimal or no documentation. In this article, Bob Davis and Stephanie Dux discuss how large-scale SFS projects are an efficient and effective way to evaluate equipment on a defined schedule. SFS projects provide guidance on roles and responsibilities, methodologies, assumptions, and documentation of results.

Basics of Rerating Equipment

Jun 27, 2023

Today, most in-service equipment remains in use for many years, or decades, beyond its intended design life. Throughout that extended service life, the process conditions can change, affecting equipment reliability. In this article, Matt Schaser discusses the importance of conducting rerates on equipment to meet jurisdictional requirements and use a variety of case studies to highlight some options available when performing a rerate assessment.

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