EN Engineering announces the acquisition of Eta Engineering Consultants (EEC). Download Press ReleaseRead More
The team of David Wilson, Jason Merritt and David Gibson authored a paper titled “Structural Analysis and Design of Replacement Water Columns for Boilers” at the Seventh International Structural Engineering and Construction Conference (ISEC-7) which was held in Honolulu, Hawaii June 18 – 23, 2013.
The paper provided insight related to water column design in accordance with ASME standards and classical structural engineering formulae. Furthermore the paper worked through an example for a new water column design that implemented a Safety Instrumented System (SIS) requiring greater capacity, improved maintenance access, and additional water level transmitters to provide improved boiler safety.
The conference, hosted by the College of Engineering at the Manoa Campus of the University of Hawaii, was attended by David Wilson and Jason Merritt. For additional information on the conference see: Seventh International Structural Engineering and Construction ConferenceRead More
The award was given for EEC’s Biodiesel projects with Marathon Petroleum. EEC provided “Definition” Phase Engineering Services for biodiesel projects in Catlettsburg, Kentucky and Kenova, West Virginia Terminals. Major tasks included:
- Relocation of all existing utilities and structures conflicting with new construction.
- Design of structural supports for all platforms, stairways, piping and other equipment.
- Storm water design of tank farm containment drainage system.
- Mechanical piping design and preparation of isometric piping construction drawings.
- B100 (100% Biodiesel) Barge off-loading system and B5 (5% Biodiesel, 95% Ultra Low Sulfur Diesel) blending system piping.
- Electrical design of all power and control wiring, conduit and other components.
- Specification of all instrumentation and process safety systems.
- Construction assistance as required.
Biodiesel is a diverse, renewable energy source produced from plant or animal agricultural bi-products and co-products such as :
- Soybean and other plant oils.
- Rendered animal fats.
- Recycled grease.
Biodiesel exhibits physical and chemical characteristics which make it difficult to store, blend and transport including:
- High Cloud Point Temperature
- High Cold Filter Plugging Point (CFPP).
- Lower power, torque, and fuel economy at high concentrations.
- Incompatibility with common elastomeric materials.
- Incompatibility with common metal alloys.
- Hygroscopic properties which may cause moisture build-up.
Understanding and accounting for these undesirable properties, MPC with EEC as the primary design consultant, and a team of sub-consultants, designed the biodiesel facilities to operate safely and efficiently in most weather conditions.
If you would like to know more about Biodiesel or need engineering assistance with Biodiesel please contact us here.Read More
EEC recently was honored to receive PSMJ Resources, Inc.’s 2012 Circle of Excellence Award. PSMJ Resources is the premier management consulting firm for the architecture, engineering, and construction industries and benchmarks best practices for A/E/C firms nationwide.
PSMJ’s exclusive Circle of Excellence is designed to highlight firms that are successfully managed, based on 13 key performance metrics that demonstrate outstanding achievements in turnover, staff growth, productivity, business growth, profitability, overhead, and cash flow. The Circle of Excellence represents the top 20% of participants in PSMJ’s annual A/E Financial Performance Benchmark Survey.
“The design and construction industry has been hit particularly hard by the recent economic downturn and is starting to see signs of a slow recovery,” says Kate Allen, Director of PSMJ’s A/E/C Industry Surveys. “The firms recognized in the Circle of Excellence have thrived despite the recession, proving that success is possible, even in difficult times….”
PSMJ says: “We look to these firms for both the basic and creative best practices in the business. “
As a result of this award, EEC will participate with other firms in the PSMJ’s A/E/C Industry Summit on December 6-7, 2012 at Walt Disney World’s Swan and Dolphin Resort. This summit will bring together some of the industry’s top leaders and most successful firms to share their experiences, look toward the massive changes impacting the design industry in 2013 and beyond, and to honor this year’s Circle of Excellence members.Read More
EEC’s Michael Brockman publishes a paper titled “Accuracy analysis of selected tools for estimating contract time on highway construction projects”. Mr. Brockman published this paper with Purdue University’s Construction Research Congress.
The Abstract and list of Author’s for the paper are below:
In many highway construction projects, the time available to complete construction is set by the contract documents. Most transportation agencies have developed tools to assist project planners in estimating the amount of time required to complete the project but how accurate are these systems in estimating project duration? The current work examines the accuracy of integrated scheduling systems from two state transportation agencies in estimating contract time for previously completed Kentucky highway construction projects. The accuracy of the systems where tested against project data from 66 completed Kentucky Transportation Cabinet Projects. The analysis revealed that the average accuracy of both systems in predicting project duration was greater than +200% across a variety of projects. A pilot study of the use of multivariate regression analysis of the data from 66 completed Kentucky Transportation Cabinet projects was performed to identify specific combinations of work item quantities with the engineer’s cost estimate that produce the most accurate estimate of project duration. The accuracy of the developed regression equation in predicting highway construction project duration was +25%. The current work contributes improved understanding of the accuracy of integrate scheduling systems in predicting highway construction duration.
Timothy R.B. TAYLOR - Assistant Professor, Department of Civil Engineering, University of Kentucky, 151A Raymond Building, Lexington, KY 40506; PH: (859) 323-3680
Michael BROCKMAN - Engineer, Eta Engineering, 5802 Brown Lane, Catlettsburg, KY 41129; PH (606) 739-6805
Dong ZHAI - Post-Doc, Department of Civil Engineering, University of Kentucky, 151D Raymond Building, Lexington, KY 40506; PH: (859) 323-3680
Paul M. GOODRUM - Professor, Department of Civil Engineering, University of Kentucky, 151A Raymond Building, Lexington, KY 40506; PH: (859) 257-5416
Roy STURGILL - Engineer, Central Office, Division of Design, Quality Assurance Branch, Kentucky Transportation Cabinet, 200 Metro Street, Frankfort, KY 40622; PH: (502) 564-3280
If you would like to request a copy of the full article feel free to contact EEC and reference the paper title of “Accuracy analysis of selected tools for estimating contract time on highway construction projects”Read More
EEC attended the 2012 AIChE and submitted a paper on “Using a process simulator to improve relief system analysis”. The Author is Donald P. Malone, P.E. of EEC. Below is the abstract from the paper and the post Mr. Malone presented at the 2012 AIChE:
Incorporating a process simulator in the design and/or analysis of pressure relief systems can improve the quality of the effort in a cost effective manner.
Often some variation of a fire case is the basis for a relief system design. These cases usually involve vessels or piping exposed to large heat fluxes caused by flame impingement from an uncontrolled fire. Before process simulators were incorporated in relief systems design and analysis, designers focused on selecting the appropriate size relief device and the adequacy of the inlet and outlet piping from the relief device. Typically a worst case vapor flow was calculated based on empirical relationships developed by ASME, API and others. The main criterion was avoiding exceeding the maximum allowable working pressure of the vessel. This approach could be described as a single point design. Designers often had no awareness of events occurring at other times even though these events potentially could compromise the safety of the system in question.
Initially process simulators were developed to model steady state processes because everything else was much more difficult. As process simulators became more sophisticated and computational processing power exploded many non-steady state features were incorporated into these simulators. Today several quality process simulators are commercially available. Each one may have various capabilities to model different aspects of pressure relief systems. This paper describes how EEC used WinSim Design II in a pressure relief system analysis and design of vessels and piping in a gasoline/diesel terminal.
The simulator allowed EEC to model thermal expansion in liquid full vessels with respect to how PSV’s are affected, the relief discharge into piping with and without liquid flowing in the downstream piping, the frequency of PSV reseating, the change in temperature of vessel walls with time and to characterize the consequences of the time required to extinguish the fire. The availability of this information allows for a much more meaningful relief system design or analysis, often in less time. This approach allows identification and prioritization of potential safety issues that would otherwise be unknown and facilitates a cost effective mitigation strategy for these threats.
If you would like to request a copy of the full article feel free to contact EEC and reference the paper title of “Using a process simulator to improve relief system analysis”.Read More
EEC sends power system engineer to SEL-3530 Real-Time Automation Controller (RTAC) training course in Denver Colorado. The SEL-3530 Real-Time Automation Controller (RTAC) course is designed to be highly interactive and activity based. During the SEL-3530 RTAC course we will configure a realistic communications scheme using the SEL-3530 Real-Time Automation Controller. Each unit of this course will guide EEC through configuring this communications scheme.
EEC will increase its knowledge base in the following areas:
- Describe the expectations of modern integrated protection and control systems
- Describe system application
- Configure the web interface for reading status and alarm logs from the RTAC
- Efficiently manage the RTAC settings and database for common integration needs
- Identify and properly configure DNP3 and Modbus® applications settings
- Configure the RTAC Device Definition Files (DDF) to maximize efficiency of new project settings management
- Establish transparent communications to connected IEDs
- Create advanced logic processing functions with the IEC 61131 programming language
- Program the RTAC for redundant communications connections
- Manage security and logic settings for NERC Critical Infrastructure (CIP) requirements
The course agenda is below:
Product and Automation Overview
- SEL-3530 RTAC Initial Setup and Security
- ACSELERATOR RTAC® SEL-5033 Software Overview
- SEL-3530 RTAC Client/SEL-351S Server and DNP/IP
- SEL-3530 RTAC Client/SEL-351S Server and SEL Protocols
SEL-3530 RTAC Client/SEL-351S Server and Modbus® TCP
MIRRORED BITS® Communications and IEC 61131-3
SEL-3530 RTAC Client/SEL-351S Server and IEEE C37.118
SEL-3530 RTAC DNP/IP Server
SEL-3530 RTAC Logging and ODBC
EEC (Eta Engineering Consultants) attended the 2012 IEEE IAS Electrical Safety Workshop in Daytona Beach, FL. As always, the Electrical Safety Workshop provided great insight into the advancements of electrical safety in the workplace. EEC feels the Electrical Safety Workshop meet IAS’s mission of:
- Accelerating the application of breakthrough improvements in human factors, technology, and managing systems that reduce risk of electrical injuries
- Stimulating innovation in overcoming barriers
- Changing and advancing the electrical safety culture to enable sustainable improvements in prevention of electrical accidents and injuries
EEC was able to participate/attend a number of the technical programs, tours and standard working group sessions. By attending the IAS Electrical Safety Workshop yearly, EEC is able stay current with all the electrical safety standards and stay engaged with the vast electrical safety community in the United States and the World. The community allows EEC to have healthy dialog about safety issues and build a network of support which has proving extremely valuable to our clients. Between 400 and 500 fellow engineers attended the workshop and it was obvious they shared the same enthusiasm as EEC’s staff does in understanding and preventing electrical injuries.
EEC provides power system study services which include modeling, load flow, short circuit, transient motor starting calculations, protective device coordination, arc flash studies and mitigation. EEC has developed the knowledge and expertise, while investing in the tools, to cost-effectively analyze and provide recommendations/result for most power systems. EEC’s power system engineers have up to date license and experience with ETAP, SKM and EasyPower. Feel free to contact EEC if you have any questions or power system study needs.
ESW – Electrical Safety Workshop
IAS – Industry Applications Society
IEEE – Institute of Electrical and Electronics Engineers
EEC was recognized at the Ohio Masonry Association’s 24th annual Award of Excellence in Masonry Design program for their work on the Argillite Fire Station & Community Center. EEC received the 2011 Public Service Merit Design Award. Brian Horsley, Project Manager was in attendance at the event to receive the award.
The Ohio Masonry Association jury noted that what seems to have become a standard for rural fire departments is to erect a pre-engineered, steel structural system with clad metal siding that looks no different than any farm or industrial warehouse. These structures often lack durability due to exposed vinyl surfaces, insulated blankets, ceilings and walls that are easily damaged and degraded.
The OMA jury determined this is not the case with the design of The Argillite Fire Station & Community Center; a design project that used split face CMU’s and pronounced standing-seam metal siding for the roof, as well as the fascia and soffits. Masonry strength and durability with an interior that is finished with durable, washable surfaces was a key benefit and very wise decision for the long haul. All these assets added up to this project earning a merit award from the jury.Read More
EEC’s Process Safety Management (PSM) staff were able to attend and exhibit our PSM capabilities at the 2011 AIChE Spring Meeting in Chicago, IL. The 2011 AIChE Spring Meeting & 7th Global Congress on Process Safety is the year’s key technical conference for practicing chemical engineers. A wide range of subjects relevant to the current needs of industry is covered. The Global Congress on Process Safety covers the critical needs of process safety practitioners more broadly and deeply.