Tab Journal Membership Directory Resource Center Tech Talk Commissioning Group Member Login		TAB JOURNAL - PREVIOUS ISSUES More Information View File Download File AABC Tab Journal spring 2004 Issue Smoke Detection And Fire Prevention The Spring 2004 issue of TAB Journal delves into detail on various aspects of smoke detection and fire control as they relate to HVAC systems. Keith Suzuki of Air Balance Co., Inc., looks at codes and standards, equipment, maintenance, and testing in “Duct Smoke Detector Applications.” “Testing of Fire Dampers and Motorized Fire/Smoke Dampers,” by Tony Mohammed of Air Movement Services Ltd., suggests specification language for testing these items. “What Owners Need to Know About Smoke (more...) More Information View File Download File AABC Tab Journal winter 2003 Issue HVAC System Commissioning We are pleased to bring you the Winter 2003 issue of TAB Journal, which focuses on the relationship between commissioning and test and balance. Jim Magee of Thermal Balance Inc. leads off with “Green Buildings, Commissioning, and AABC,” which looks at the growing green building movement and the Leadership in Energy and Design (LEED) certification program sponsored by the U.S. Green Building Council—a program that requires commissioning. In addition, the article examines the impact on (more...) More Information View File Download File AABC Tab Journal summer 2003 Issue Underfloor HVAC Systems We are pleased to bring you the Summer 2003 issue of TAB Journal, which deals with a number of special testing applications. The cover story, “Testing and Balancing Underfloor Systems,” by Gaylon Richardson of Engineered Air Balance Co., Inc. looks at design issues, lessons learned, and other aspects of these increasingly popular systems. Don Shuck of Technical Air Balance, Inc. weighs in with “Cleanroom Certification Requirements,” examining the different types of tests involved in (more...) More Information View File Download File AABC Tab Journal spring 2003 Issue Fume Hood Testing We are pleased to bring you the Spring 2003 issue of TAB Journal, which focuses on the testing of both fume hoods and balancing hoods. The article “Fume Hood Testing Standard in Revision Process” is based on an interview with Gerhard Knutson, chairman of the committee revising ANSI/ASHRAE 110-1995, who provides some hints about likely changes. The article is followed by a reprinting of Chapter 16 of the 2002 AABC National Standards for Total System Balance, “Laboratory Systems (more...) More Information View File Download File AABC Tab Journal fall 2003 Issue Independent Commissioning Services Welcome to the Fall 2003 issue of TAB Journal, which has several articles dealing with aspects of commissioning. Commissioning is a quality assurance process, and therefore is dependent upon following detailed, systematic steps in order to achieve its goal of making sure that construction matches design intent. Jim Magee and Todd yates of Thermal Balance, Inc. offer a primer on how to do this via the commissioning scope of work in "The HVAC Commissioning Process." Taking a look at a (more...) More Information View File Download File AABC Tab Journal winter 2002 Issue AABC National Standards For Total System Balance We are pleased to bring you the Winter 2001 issue of TAB Journal. The issue highlights the recent release of the 6th edition of the AABC National Standards for Total System Balance. Gaylon Richardson of Engineered Air Balance Inc. gives you a chapter-by-chapter tour through the new standards book, noting the many changes, additions and enhancements over the 5th edition. If you’re a non-member and haven’t yet ordered the 2002 Standards, or if you’re a member in need of additional (more...) More Information View File Download File AABC Tab Journal summer 2002 Issue Tab Field Experience We are pleased to bring you the Summer 2002 issue of TAB Journal, which highlights the important role that testing and balancing plays in many different types of facilities and functions. Ed Molnar of Dynamic Flow Balancing Ltd. addresses one such important area in “Isolation Rooms for Infectious Disease Control in Healthcare Facilities,” while James Brennan of the James E. Brennan Company describes problems faced on a project for the research side of the medical community in “Testing (more...) More Information View File Download File AABC Tab Journal spring 2002 Issue Building Commissioning We are pleased to bring you the Spring 2002 issue of TAB Journal, which focuses on the growing practice of building commissioning and AABC’s efforts in that area. The cover story talks about AABC’s forthcoming Commissioning Guideline and Certification Program, both due to be officially rolled out during the AABC Semi-Annual Meeting in Las Vegas, April 18-19. The article also provides an introduction to the commissioning process and the factors that have made it such a booming (more...) More Information View File Download File AABC Tab Journal fall 2002 Issue Balancing Hydronic Systems We are pleased to bring you the Fall 2002 edition of TAB Journal. The issue focuses on various aspects of balancing hydronic systems. W. Carson Judge of Bay to Bay Balancing Inc. examines a piece of equipment that can aid in waterside balancing work in “Ultrasonic Transit Time Flowmeter for Hydronic Balancing.” Also included are “The Elements of Hydronic Balancing,” and “Analyzing Flow in Multi-Path Closed Loop HVAC Hydronic Systems,” a companion piece to “Analyzing Flow in Hydronic (more...) More Information View File Download File AABC Tab Journal summer 2001 Issue Equal Area Vs. Log-Tchebycheff We are pleased to present the Summer 2001 issue of TAB Journal. This issue delves into an ongoing debate in the test and balance community: Equal Area vs. Log-Tchebycheff. Several members have contributed articles exploring the competing methods for duct velocity traversing. Gaylon Richardson presents two separate analyses of duct velocity traversing, in “Traversing for Flow Correction Factors” and “Traversing for Accuracy in a Rectangular Duct.” Meanwhile, Joe Baumgartner offers his (more...) More Information View File Download File AABC Tab Journal spring 2001 Issue Laboratory Hood Testing We are pleased to present the Spring 2001 issue of TAB Journal, featuring laboratory hood testing, a subject that is always of interest to test and balance professionals. In "Understanding the Design Intent of Variable Volume Lab Controls and Pressurization Systems," William Derse provides insight into the importance of understanding design intent when balancing lab hoods. Meanwhile, Christopher McElwee describes the procedure of testing and certifying low velocity fume hoods, and William (more...) More Information View File Download File AABC Tab Journal fall 2001 Issue Green Buildings We are pleased to present the Fall 2001 issue of TAB Journal. This issue focuses on the subject of “Green Buildings.” We think this is a topic you will be hearing more of in years to come as environmental and energy issues are again coming to the fore. The article, “Can Green Be Gold?” explains how Green Buildings are creating value in the marketplace. Meanwhile, “Commissioning is a Prerequisite for Green Buildings” discusses the concept of a rating system for Green Buildings, called (more...) More Information View File Download File AABC Tab Journal winter 2000 Issue Kitchen Hood Testing Kitchens offer a challenge to the air balance technician, they generate heat, smoke and grease which must be properly vented to ensure the comfort of both the patrons and the staff. We hope that the technical articles contained in this issue of TAB J o d , entitled Kitchen Hood Testing, will be helpful to those who work with systems in these punishing environments. It’s interesting to note that, though there seems to be a standard for just about everythmg else, there currently is no National (more...) More Information View File Download File AABC Tab Journal summer 2000 Issue Duct Leakage Testing Though not a required test, the Associated Air Balance Council Building recommends that all duct systems, including low-pressure systems, be sealed and tested in accordance with its National Standards. In fact, AABC’s new 2000 National Standards (scheduled for release later this year) will feature an updated and revised chapter dedicated to Duct Leakage. Though most building codes normally require that ducts be sufficiently airtight to ensure energy conservation and control of the air movement, (more...) More Information View File Download File AABC Tab Journal spring 2000 Issue Total System Balance Over the last thirty years, Heating, Ventilating, and Air Conditioning (HVAC) systems have grown more complex and inter-related. In order to meet the challenges that these new systems present to test and balance agencies, AABC developed the concept of Total System Balance (TSB). Simply put, Total System Balance is the process of testing and balancing HVAC systems to deliver design intent. Articles such as Paul Steiskal’s “Thinking Man’s Systems”, William Thomas’ “HVAC Design vs. Installation” (more...) More Information View File Download File AABC Tab Journal fall 2000 Issue Special Testing We are pleased to present to you the Fall 2000 edition of TAB Journal on special testing, which is a look at various testing and balancing techniques. There are a number of interesting articles in this edition, including one by Michael Carrillo, “TAB Agencies, Not Just Balancers,” where he argues against common misconceptions of TAB agencies in the construction industry. Also, in articles such as “Make-up Air in Cold Climates,” Armand Lafreniere discusses the importance of properly (more...) More Information View File Download File AABC Tab Journal winter 1999 Issue Testing And Balancing In Animal Laboratory Facilities Thousands of square feet of animal research facilities are designed and constructed each year, and it is vital that researchers have the best possible environmental conditions to ensure reliable and repeatable results from their studies and experiments on laboratory animals. Failure to do so could mean years of valuable data obtained from the testing could be damaged or destroyed. This issue of TAB Journal, entitled Testing and Balancing in Animal Laboratory Facilities, addresses the unique (more...) More Information View File Download File AABC Tab Journal spring 1999 Issue Commissioning HVAC Systems As HVAC systems become more complex, and as building owners demand satisfactory HVAC performance from the day they move in, more and more building owners are choosing to go with commissioning during the construction process. This trend has opened up new opportunities for many TAB agencies eager to expand their scope of work into acceptance and verifications tests. In this issue of TAB Journal, entitled "Commissioning HVAC Systems" we explore commissioning and its impact on TAB agencies. The (more...) More Information View File Download File AABC Tab Journal fall 1999 Issue Fixing Indoor Air Quality Problems We’ve all heard of Sick Building Syndrome - the mysterious symptoms brought on by indoor air quality (IAQ) problems. In some instances the IAQ problems are easily identified and corrected (such as a broken or slipped belt in the make-up air unit). However, in most cases, IAQ problems and solutions are much more complex. In this issue of TAB Journal, entitled “Fixing Indoor Air Quality Problems” we look at how TAB agencies play a vital role in both preventing and correcting IAQ (more...) More Information View File Download File AABC Tab Journal winter 1998 Issue Troubleshooting HVAC Systems This issue of TAB Journal features the topic of Troubleshooting HVAC Systems. Just about every TAB technician who has ever worked in the field will readily tell you that actual field conditions almost always vary from the original design criteria and no job is without its problems. This issue contains several “case study” type articles which focus on how these TAB technicians overcame field problems and utilized common sense and ingenuity to allow the systems to function at optimum performance. (more...) More Information View File Download File AABC Tab Journal summer 1998 Issue Working For The Building Owner Profound changes are taking place in the TAB market, and perhaps none is more significant than the evolving relationship between TAB agencies and building owners. Increasingly, owners are using TAB agencies as their advocates on projects to ensure that their project is “done right the first time.” Consequently, they are hiring TAB firms directly and are incorporating the TAB firms experience and knowhow early on in the design and development stage. This issue of TAB Journal, entitled (more...) More Information View File Download File AABC Tab Journal spring 1998 Issue Hydronic Balancing A primary objective of TAB Journal is to inform, educate, and foster a greater understanding of the test and balance process. This issue of TAB Journal fulfills that mission by bringing you some excellent articles that shed new light on what can be done to ensure optimum system performance. Articles by Paul Steiskal, Alexander Spielman, P.E., and Joseph Baumgartner, P.E., discuss Hydronic Balancing and stress the need for the proper location of gauges and flow measuring devices. All (more...) More Information View File Download File AABC Tab Journal fall 1998 Issue Adjusting For The Environment In this issue of TAB Journal, entitled Adjusting for the Environment, we will explore how environmental conditions must be taken into account to avoid indoor air quality problems and building failures. Unfortunately, many building designers and contractors think that following established building codes and repeating strategies used successfully on past projects will guarantee them future success. Relying on past strategies is risky, especially if the they fail to take into account changes in (more...) More Information View File Download File AABC Tab Journal winter 1997 Issue Standardized Procedures For Testing & Balancing While exhibiting at the ASHRAE Show in Philadelphia this year, we were encouraged by the number of consulting engineers who stopped by our booth to compliment AABC on its flagship publication, TAB Journal. One person said it was the best publication he had ever seen. Part of the reason for TAB Journal’s appeal is that countless numbers of situations encountered in the field are covered in the Journal. It is therefore a source of interesting and often times enlightening (more...) More Information View File Download File AABC Tab Journal summer 1997 Issue Vibration Testing And Analysis This issue of the TAB Journal focuses on the topic of vibration testing and analysis. Though we understand that some of our readers perform more vibration testing than others, we also recognize that the scope of responsibilities TAB professionals are expected to fulfill is continuing to expand as consumers increasingly demand trouble free HVAC systems. With that in mind, we feel this issue of TAB Journal will be of particular benefit and interest to all of our readers. Over the years, (more...) More Information View File Download File AABC Tab Journal spring 1997 Issue Hydronic Balancing For many of our readers, hydronic balancing remains a mystery. Helping to clear up misunderstandings and questions on water balancing is our team of contributors in this issue. John Papazian offers practical advice for specifiers of hydronic flow balancing valves and Don Butler shares his experience with a new state-of-the-art flowmeter. Sutton Page’s article on chilled water loops first appeared in TAB Journal a few years back. After it ran, he received many requests for reprints, so (more...) More Information View File Download File AABC Tab Journal fall 1997 Issue Building Commissioning We are pleased to feature Building Commissioning in this issue of TAB Journal. As you know, building commissioning goes well beyond the scope of testing and balancing, and even system commissioning. All three processes are related however, because they share many commonalities. Building commissioning incorporates the same functions required for system commissioning. These include defined roles for the consultant, contractor, testing engineer, commissioning agent, and owner. It also takes (more...) More Information View File Download File AABC Tab Journal summer 1996 Issue The Certified Independent Test And Balance Agency The primary purpose of the TAB Journal is to disseminate technical information to the engineering community. By imparting information based on actual field experience, it is hoped that engineers, facility managers, and building owners will gain a better understanding of the test and balance process. In past issues of the Journal, we have deliberately avoided any self-promotion of AABC in order to maintain the credibility of the publication. This policy has served AABC very well and has (more...) More Information View File Download File AABC Tab Journal spring 1996 Issue Building Pressurization This issue of TAB Journal features three articles that relate to building pressurization. Mike Smith reports on how his company utilized a “depressurization method” to determine the air tightness of a building envelope. The purpose of this exercise was to prevent unpleasant odors from escaping into the surrounding environment. In another case history involving building pressurization, Steve Young takes us through an investigation of a hospital to determine the source of musty odors. In (more...)

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