2022 RETA Breeze Nov-Dec

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RETA BREEZE

REFRIGERATING ENGINEERS & TECHNICIANS ASSOCIATION NOVEMBER / DECEMBER 2022

A BIG THANK YOU TO EVERYONE WHO ATTENDED

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BREEZE

The RETA Breeze is the official publication of the Refrigerating

Engineers & Technicians Association (RETA). RETA is an international not for-profit association whose mission is to enhance the professional development of industrial refrigeration operating and technical engineers. Don Chason Executive Editor 704-455-3551 Jim Barron Executive Director

Honoring RETA Past Presidents

jim@reta.com Sara Louber Senior Director, Office Operations

INSIDE THIS ISSUE 2022 National

sara@reta.com Stephanie Date Events Manager stephanie@reta.com Harry Wilkins Certification Manager harry@reta.com Dan Denton Chapter Relations Liaison ddenton@reta.com Vince Grindel Education Coordinator vince@reta.com

Message FromThe President........... 4 Message From the Executive Director............................ 6 2022 Herb Rosen Longevity Awards. ............................ 8 2022 Awards. ................................... 10 The Refrigeration Historian Volume XXXI ..................................... 11 Conference Corner The conference was a hit! . ................... 12 2022/2023 RETA Officers & Board of Directors Announced. ..................................... 14 The Shade Tree Mechanic volume XLVIII .................................... 15

Conference Exhibitors.................... 16 Welcome our new RAI: Justin Michael.................................. 18 Epic Fails Ice Buildup Revisited . ......................... 20 2022 Corporate Anniversary Awards....................... 24 RETA Testing Corner No. 33 RETA’s Certification Committee .......... 26 Education Corner Continuing Education.................... 28 2022 National Conference Sponsors........................................... 29 Certification Honor Roll................ 30

The information in this publication is based on the collective experience of industry engineers and technicians. Although the information is intended to be comprehensive and thorough, it is subject to change. The Refrigerating Engineers & Technicians Association expressly disclaims any warranty of fitness for a particular application, as well as all claims for compensatory, consequential or other damages arising out of or related to the uses of this publication. Publication of advertisements in Breeze , or any other RETA publication, does not constitute endorsement of any products, services or advertisers by RETA and shall not be considered or represented by advertiser as such. Copyright © 2022 Refrigerating Engineers & Technicians Association.

REFRIGERATING ENGINEERS & TECHNICIANS ASSOCIATION 1725 Ferry St. SW, Albany, OR 97322 Telephone: 541.497.2955 | Fax: 541.497.2966 RETA.com

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2022-23 BOARD OF DIRECTORS CHAIRMAN Keith Harper, CARO Tyson Foods Inc PRESIDENT Bengie Branham, CIRO, RAI SCS Engineers EXECUTIVE VICE PRESIDENT Michael Hawkins, CARO Midatlantic Refrigeration, LLC TREASURER David Gulcynski, CIRO Dot Foods Inc. SECOND VICE PRESIDENT Bill Lape, CARO, CIRO, CRST SCS Engineers DIRECTORS Alan Gervais, CARO, CIRO Western Precooling Systems Andrew Palomar, CARO APCCO Barbara Kirkpatrick Mi-Docs Debbie Koske Calibration Technologies, Inc. Edward Johnson, CARO Gordon Rascoe, Jr, CIRO, CRST, RAI ConAgra Brands Jeff Lublin Kolbi Pipe Marker Co. JeremyMurfin AC & R Specialists Jim Kovarik Gamma Graphics Services Melissa Cassell General Refrigeration Company Raymond Urban, CARO Lineage Logistics Victor Dearman, Jr. Peco Foods, Inc COMMITTEE CHAIRS Certification: Lee Pyle, CARO SCS Tracer Environmental Education: Eric Girven, CIRO, CRST, RAI SCS Tracer Environmental Marketing: Dascha Whitmore Stellar Membership: Arlie Farley, CARO, CIRO, CRST Farley’s SRP, Inc National Conference: Jim Kovarik Gamma Graphics Services Publications: Ed Johnson, CARO Executive Director: Jim Barron

FROM THE DESK OF THE PRESIDENT

Hello my RETA family. I would like to take this opportunity to thank the HQ staff, the Conference Committee, dedicated volunteers (and anyone else not mentioned) that assisted in the most extraordinary and industry focused conferences I have attended. It truly was an amazing event from the moment President Harper slammed the gavel to commence our meeting until I slammed the gavel to conclude. I left Reno on Saturday morning more energized and invigorated knowing it will overflow over to my RETA chapter meetings. The incredible energy from the speakers and the attendees seemed to feed off of each other and to me it elevated the experience up several notches on the excitement scale. I can only imagine what our 2023 Jacksonville, Florida conference will be based upon this event. My first address to the RETA family is a continuation of my Presidential accep tance speech “Let’s plant a seed so tomor row someone can sit under the shade”. We often use the humble “Tree” as an analogy to express many thoughts. Several unique characteristics of a tree are pretty straight forward and elemen tary. Other examples provide deep clarity to discussions when one (like me) does not have a deep repertoire of words. I can still get my point across and induce thought or understanding of subject matter. With that said, let’s look at the “Tree”. First of which they are tall. Most pine and oak trees are 60’ to 80’ feet tall. They tower above most other forms of plant life. Trees are strong. They enhance our life here on earth with their majesty and

Bengie Branham, RETA National President

beauty. Our primary use for them is to build strong structures for the better ment of humanity such as housing and shelter. In addition to providing us with beauty and shade, the tree also allows us to know without the use of a calendar what season of the year it is. However, the tree provides us with the most necessary element of life we cannot live without, Oxygen. The tree is almost always also used as an analogy when discussing a family’s genealogy and the different branches of family history. All though there are multiple branches, the branches are all connected at the trunk of the tree. The tree trunk is then connected to a deep foundation we know as the root. The root system provides a strong foundation and stability through everyday life and strength when the wind blows during storms. The root also gives the tree its

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mandatory sustenance’s such as minerals and the all-important abundant supply of water required for growth. The amazing thing about a tree’s root system is that it continues to grow and spread under ground, hidden from the light of day while focused on giving life to the tree. That is a roots system primary function. Our awesome organization is much like a tree. We have a very deep and healthy root system. Our root system has it own branch network and is constantly searching for the water and nutrients that is required to sustain its growth. These are the volunteers that unselfishly show up day in and day out. Much like the root system of a tree, our root system has names but they would rather not be mentioned due to their humble nature and desire to be anonymous. One root branch that continues to work tirelessly is called “Past Presidents”. These individuals are more relevant now than

before and their wisdom has a profound impact on our current direction than when they presided over RETA. I really do not like the preposition “Past” so I refer to them as a “President from an earlier time period”. There, I fixed that! We as organization are so blessed to have such dedicated committee chairmen and committee members. These members are solely focused on promoting and elevating our mission statement to all in the industry whether they are a member or not. Thank you all for your hard work and dedication as I personally have benefitted from your hard labor and I get to sit under the shade. My point is this, we are all sitting in the shade because these volunteers and others who dedicated a lifetime commitment to provide an opportunity for all of us to enjoy the shade and to provide opportuni ties for us to branch out expand and grow. But, through their vision and hard work, we

know that we have to stay connected to the roots to allow the tree to grow and create the shade that others can enjoy and benefit. I can never give enough back to RETA and our awesome volunteers. As I look back at my contributions and efforts, I realize that what I have given to RETA will never equal to what I have gained. We as a family, must never forget our branches and we must always remember that our roots are so vital to what we can achieve through growth and define this amazing organization for the next generation to come.

Stay tuned in. More to come!! Bengie Branham RETA National President

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FROM THE DESK OF THE EXECUTIVE DIRECTOR

Hello RETA Family, Well, we are post Conference and have commenced clean up here at RETA HQ. Our goal was to hold that not only was informative, educational, and practical but also full of networking opportunities, entertainment and fellowship. I hope you all enjoyed the Conference and gained new knowledge from the education sessions, workshops, manufacturing sessions, Hot Points, and hands-on training. Our mission to promote excellence through education was accomplished ten-fold. As always, your attendance, participation, and energy made the Conference a true success. We have sent out surveys to all attendees for your thoughts on our 2022 Reno Conference. Please take the time to fill them out so we know what to do more of and what to do less of. It really helps us with planning for future conferences and how to grow and get better every year. Please include any and all suggestions you have. If there is a workshop you would like to see or if you have an idea for a hands-on training that would help your operators and technicians, please let us know in the survey! In my opinion as the RETA Executive Director, I would say that our RETA 2022 Reno Conference was a huge success. We tried a few new things this year and they all seemed to be successful. We had a hilarious hypnotist at the Awards Banquet, and we were able to reminisce about the good old days at the National Car Museum. Our educational classes were on point, and I heard a lot of great things from those that attended. I enjoyed my visits with all of you as each was very meaningful, thank you! In closing I would like to thank each one of you for your continued RETA support.

Without all of you we wouldn’t be RETA. Best to you all through the Holidays,

God Bless, Jim Barron

Jim Barron RETA Executive Director

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LONGEVITY AWARD

45 YEARS

Dale Martin Greg Robison

Ronald Cassell, Jr. Harold Myers Harry Paul Kenneth Williams Maurice Batson Jim Black Dana McNamar Corine Schreck Gary Schrift James Alewine Daniel Black Karl Domm Robert Ellison Edwin Fritzsche Dave Gulcynski

40 YEARS

30 YEARS

25 YEARS

2022 HERB ROSEN LONGEVITY AWARDS RETA values the contributions, knowledge, and experience of long-term members. In appreciate of this dedication, RETA recognizes members as they reach milestone anniversaries of membership. Members become eligible for a longevity award the year in which they complete 25, 30, 35, 40, 45, and 50 years of consecutive membership. The only allowance for a lapse in membership being active military service. Each recipient will receive an Herb Rosen lapel pin for their service to the RETA Mission Statement.

David Kinlaw Alvin Kneisler Sean McVeigh Christopher Newman Duane Pirrie James Price, Sr. Donald Rust Scott Sell Gordon Simpson Stephen Skog William Tipperreiter Patrick West William Witman

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2022 AWARDS

2022 AWARDS The following awards were bestowed at the 2022 RETA National Conference. The awards are named in honor of past RETA members who exemplified a specific strength that benefitted RETA membership and our industry through teaching, leadership, or service. A big congratulations and thank you to all of the Award Recipients. The following were honored for their service to the Association and the Industry.

THE OUTSTANDING CHAPTER PRESIDENT AWARD The Outstanding Chapter President Award was presented to Stacy Coogan of the Blue Ridge Chapter. THE FELIX ANDERSON AWARD The Felix Anderson Award was presented to Jackson Bussanmas of the Iowa Chapter and Donna Dumas of the Carolinas Chapter for their exemplary contribution to the development, growth and strength of their chapters. THE GUY R. KING AWARD The Guy R. King Award was presented to Dan Connelly for his outstanding perfor- mance in the education and training of members nationally and locally. THE VENEMANN AWARD The Venemann Award was presented to Jeff Sloan for his outstanding efforts in advancing the aims and ideal of the Association and for his contribution to the education and inspirational betterment of the Association throughout his career. THE ELLIOTT R. HALLOWELL AWARD The Elliott R. Hallowell Award was presented to Brandon Gillott whose record of service to RETA for the current year merits special recognition and reward.

THE GLENN W. SMITH AWARD, The GlennW. Smith Award, conferred at the Board’s discretion, was presented to Russ Ramos for his lifetime achievement, not only in service to RETA, but also to the refrigeration Industry. THE EARL J. MCMICHAEL AWARD The Earl J. McMichael Award was presented to the Omaha Chapter for the best growth performance of the previous 12 months. KIM SNOWDEN AWARD Lee Pyle was presented the first ever Kim Snowden Award for her dedication in furthering and promoting women within the refrigeration industry. SPONSOR/EXHIBITOR AWARDS We also presented all new Sponsor/ Exhibitor Awards, which were voted on by attendees at the Conference. The Sponsor/Exhibitor Congeniality Award was presented to Keep Supply. The Best Interactive Booth Design was presented to Baltimore Aircoil Company. The Best in Show 10 x 10 booth was presented to SCS Engineers. The Best in Show Island was presented to Bitzer US, Inc (VaCom Industries).

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THE REFRIGERATION HISTORIAN VOLUME XXXI West coast refrigeration engineers of the classic era hold a special place in refrigeration history. Hayes T. Cory is certainly one of this rare breed.

Hayes was born in the city of Oakland, California. July 7, 1906. His family relocated to the city of Angels, Los Angeles, California in 1912. A true Californian, Hayes graduated from Hollywood High School. Mr. Cory was college educated at the University of California, Berkley campus. Upon graduation, Hayes worked at several engineering jobs. Even a stint at the famous Paramount Pictures. Eventually Mr. Cory settled at The Baker Ice Machine Company as an Engineer. His stint of service started in 1935 and progressed through several positions. He received a promotion and relocation arriving in the San Joaquin Valley of California as The Baker Ice Machine’s Supervisor of activities for the area. His duties included system design and construction supervision of installation of Baker machines of various sizes. Hayes asked for and received a leave of absence to help in the war effort. He served our country as an engineer at the Boeing Aircraft Corporation of Seattle, Washington. He assisted in modifications to the heating and supercharger systems of both the B-17 and B-29 aircraft. Near the close of the war in 1943, Mr. Cory returned to his Duties with Baker. In 1945 another promotion and relocation. This time a triumphant return to Los Angeles as the Director of San Francisco Operations. While building his Career, Hayes devoted much to the industry. Serving as a leader of the Air Conditioning Association of Southern California including serving on the Board of Directors. He assisted with labor relations, technical training, and innovation. Hayes was a very active member of The National Association of Practical Refrigeration Engineers (NAPRAE), Los Angeles Chapter. He held many offices through the year. Mr. Cory’s list of accomplishments is far shorter than it could have been. Among them are the advances in the design of Baker’s line of Refrigeration Machines and advances in military aircraft. Perhaps my favorite of Hayes Cory accomplishments is the drafting of the Los Angeles Refrigeration Code.

Hayes Cory would be called before our lord May 9th, 1952. At the age of 46. Far too young, with so much ahead of him, our industry will always wonder at. what could have been. Information for this article included information from Ice and Refrigeration Illustrated, Industrial Refrigeration magazine, and various newspaper articles. The information used to generate this article is believed factual. Should you have any corrections or additional information pertaining to this article please forward them to the editor. The Refrigeration Historian wanders around his extensive refrigeration library, lamenting on Refrigeration History, and socializing with “Molly”, Varmint eradicator of the archives.

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CONFERENCE CORNER

What a fantastic time spent bringing together the RETA Family at the Peppermill Resort Spa Casino in Reno, Nevada for the RETA 2022 National Conference. We had a fantastic turnout with over 900 attendees. Huge participation from 52 different sponsors and an expansive exhibit hall with over 120 different companies represented. The support of the Board of Directors, RETA Staff, Volunteers, Sponsors, Exhibitors and Attendees was the key component to the success of the Conference. By Stephanie Date, RETA Marketing & Events Manager THE CONFERENCE WAS A HIT!

Visit our website and check out the photos from the RETA 2022 National Conference. Go to www.reta.com. Hover over Community, then select Gallery. A post-Conference survey was sent out to all attendees, which I hope you all were able to complete. We reviewed each response and will address all comments if we haven’t already. On December 6, 2022, we had our first of many Conference Planning Committee meetings for our upcoming 2023 Conference. We have already started to plan and prepare for our next Conference and here are a few things we continuously work on: • Quality time and engaged traffic in the Exhibit Hall • Scheduling of Sessions and Events • Technical Topics, Hands-on Sessions, and Workshops

• Entertainment and Social Events • Guest Program

Did you know you can get involved and be a part of the team that makes the Conference successful? It’s true. The RETA Conference has many volunteer opportunities:

• Conference Committee Member • Session Moderator • Conference Speaker & Presenter • Event Setup

• Registration Support • Onsite Volunteering

For more information and to get involved, contact Stephanie Date at stephanie@reta. com or by calling 541-497-2977.

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CALL FOR ABSTRACTS On behalf of RETA, the RETA 2023 Technical Conference Committee is sponsoring a Call for Abstracts relating to Industrial Refrigeration. The Committee welcomes papers on the following suggested topics: • Management • Compliance • Operations • Engineering Authors of accepted abstracts will present their work at the RETA 2023 National Conference, taking place from November 11th-17th, 2023, in Jacksonville, Florida at the Hyatt Regency Jacksonville Riverfront. In addition to presentation, each topic paper will be published and given to each attendee. Both RETA members and non members are invited to submit proposals for papers. Timely submission of the abstract is critical to the success of the program. The procedures and timetable enumerated below will apply. All authors will receive electronic notification indicating acceptance or decline of the submitted abstract in February of 2023. The RETA Technical Conference Committee looks forward to receiving abstract proposals in response to the call and is happy to respond to inquiries from interested parties. Submissions and questions may be addressed to Stephanie Date at Stephanie@reta.com SUBMIT YOUR ABSTRACT TODAY AT RETA.COM/2023-CONFERENCE-ABSTRACT The deadline to submit an abstract is January 20, 2023.

ABSTRACT STRUCTURE, GUIDELINES AND SELECTION PROCESS

Abstract Structure: A model abstract should contain the following elements:

• A statement of the purpose of the paper. • The research methods/methodology used to arrive at your results and/or conclusions. • The results observed. • The conclusions drawn from the topic and their significance. Abstract Structure and guidelines: • The abstract should be no more than 350 words. • Purpose: Ideally in 1-3 sentences, state the primary objectives and scope of the study or the reasons why the document was written. Also state the rationale for your research. Why did you do the research? Is the topic you are researching an ignored or newly discovered one? Why is it significant? • The abstract should be void of any self or commercial promotion and/or advertisement. • An abstract template is available online. A twelve-point selection process will be used by reviewers. It will be suggested that contributors use the 12 points as a guide before submitting an abstract. Note: Authors who do not follow these guidelines are more likely to have their work rejected. 1. Does the abstract capture the interest of a potential reader of the paper? 2. Is the abstract well written in terms of language, grammar, etc.? 3. Does the abstract engage the reader by telling him or her what the paper is about and why they should read it? 4. Does the abstract title describe the subject being written about? 5. Does the abstract make a clear statement of the topic of the paper and the research question? 6. Does the abstract say how the research was/is being undertaken? 7. Does the abstract indicate the value of the findings and to whom will they be of use? 8. Does the abstract describe the work to be discussed in the paper? 9. Does the abstract give a concise summary of the findings? 10. Does the abstract conform to the word limit of 300-350 words? 11. Does the abstract have between 5 and 10 keywords or phrases that closely reflect the content of the paper? 12. Should the abstract be accepted? Thank you for your time and effort…it is greatly appreciated! I am looking forward to a fun and informative 2023 Conference in Jacksonville, Florida!

Stephanie Date RETA Events Manager

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RETAPast Presidents

of Gamma Graphics Service; Ray Urban, Jr of Lineage Logistics; Barbara Kirkpatrick of MI-Docs; and Melissa Cassell of General Refrigeration. Additional members of the 2022/ 2023 Board of Directors are Alan Gervais of Western Precooling Systems Debbie Koske of Calibration Technologies, Inc. Drew Paolmar of Applied Process Cooling Corporation Edward Johnson Gordon Rasoce of ConAgra Brands Jeff Lublin of Kolbi Pipe Marker Committee Chairs for 2022/2023 are: Certification: Lee Pyle of SCS Engineers Education: Eric Girven of SCS Engineers Marketing: Dascha Whitmore of Stellar Membership: Arlie Farley of Farley’s SRP Inc National Conference – Jim Kovarik of Gamma Graphics Services Publications – Edward Johnson Jeremy Murfin of AC & R Specialists Victor Dearman of Peco Foods, Inc.

RETA board members serve a 3-year term and volunteer their time and energy to directly impact our community and association. The 12-member board and 5-member executive committee aim for both diversity of perspective and depth of expertise. There is a strength with our staggered terms and the Board is always changing. RETA Executive Director, Jim Barron congratulates and welcomes all new members to the board. We thank our out going members and welcome new members, as well as extend a heartfelt thanks to Dire- ctors past, present, and future for their con- tributions and dedication to RETA’s mission. Executive Committee Chairman of the Board Keith Harper of Tyson Foods, Inc. National President Bengie Branham of SCS Tracer Environmental Executive Vice President Michael Hawkins of Midatlantic Refrigeration, LLC Treasurer David Gulcynski of Dot Foods, Inc Second Vice President Bill Lape of SCS Tracer Environmental Industry leaders elected to serve a three-year term on the Board of Directors are Jim Kovarik

2022/2023 RETA OFFICERS

& BOARD OF DIRECTORS ANNOUNCED

As a non-profit association, RETA is governed by a board elected by its members. RETA was pleased to announce the 2022/2023 Officers and Board of Directors at the Annual Business Meeting, held at the National Conference in Reno, Nevada.

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SERVICE

The Shade Tree Mechanic volume XLVIII

Emergency Condensing, Part 1

condensing temperature as low as we could get it. There was no way to get lower enough to cause issues. There was no reason to ever allow the pump to shut down. Now in all honesty the pumps weren’t going to cycle off anyway. But he wanted the operators to know that if water flow stopped for any reason, they needed to tell him. Cold water is good. Can we get the water colder? Well the water supply temperature is fixed by God. You can pray, but I doubt he’s gonna answer this one. So we looked at sump temperature. It was higher than make-up water temperature by about 18 degrees. So we turned on the makeup water, full on. Makeup water over the coils, and then down the drain. I told you it was going to be expensive! This gained us a lot of that 18 degrees. A little help and he needs all he can get. We looked at the idea of possibly lowering the temperature further by putting ice in the sump. Unfortunately, the only ice maker we had was on the same ammonia system. So we would not gain anything. The heat to make the ice would have increased the discharge load. So this would have been a wash. If he had had an ice maker or another system or a standalone ice maker, I would have suggested using ice during peak loads if needed. Next we looked at surface area. Water on surfaces helps heat transfer, If you’re looking at RETA Industrial Refrigeration Book 1, this is heat transfer by conduction (See Jim, I remembered that!).

What if we could increase the amount of surface area that had water contact? We would increase capacity. So cleaning the water supply and distribution system came next. Every nozzel needed to be function ing, strainers clean, that broken end cap replaced. We needed to make sure all of the water from his pumps was getting to the coil and distributed to get maximum capacity. A little help and he needs all he can get. Then we jumped outside the box. We was think’n real thinkin, not just beer thinkin. So let me explain how this condenser worked. Water sprayed from the top down through the coil. The fan was on top, so it was drawing air through the coil as well. What if we could spray the bottom of the coil as well as the top? We decided to put sump pumps in the sump and spray up- ward. The bottom of the coil was mostly dry, so why not get it wet and try to in- crease capacity. This was really simple, a trip to Menards for a very cheap sump pump. Then to the garden center for garden hose spray nozzles. He attached the spray nozzles to the outlet of the sump pump and sat the pumps in the sump. They did a great job of wetting the bottom of the coil. A little help and he needs all he can get. Next time, we’ll look at air and load. The shade tree grows outside of the little town of Broughton, Ohio. Where everyone is always welcome, the beer is always cold, and something is always needin fixin.

So’s he comes runnin into my shop. “Man this condenser is uglier than my ex-wife’s mother. But with supply chain issues it’s gonna be six months before I can get a new one. What can I do to keep running until this thing can be replaced? I need about 25% more capacity than I got and I can’t risk blowing a hole in it.” Now this is some real shade tree mechanic stuff right here. So’s I walked over to the friginator and grabbed a couple of beers. We headed outside and commenced to talkin. First thing we ruled out was cleaning the condenser coil. Giv’n the pictures he showed me, for the first time in my life, I considered white rust and scale his two best friends. So what can you do, when you can’t do nuthin? Well if your going run production you got to do something. Chances are anything you do is going to be temporary and expensive. If it’s a matter of running production or watchin paint dry, we’re gonna run production. When attacking condensing, there are three areas to go after.

1. Water 2. Air 3. load

So we started discussin water. Water is our friend. Quantity and temperature. We elimi nated the idea of pump control. We turned the water pump full on and drove the

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THANK YOU TO ALL OF THE 2022 NATIONAL CONFERENCE EXHIBITORS

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AC&R Specialists Airfoil Impellers Corp. Airgas Specialty Products Alfa Laval Inc. Ammonia Process Safety Management - APSM Ammonia Safety & Training Institute - ASTI Applied Process Cooling Corp - APCCO Applus+ Azane, Inc. Benshaw Inc. Bitzer U.S. Inc. Calibration Technologies, Inc. California Controlled Atmosphere CAMCO Lubricants Chem-Aqua, Inc. Climate By Design International, Inc. Cold Core Group Colmac Coil Mfg Inc Cool Air Inc. Cool Air Mechanical Cornell Pump Company CrossnoKaye Cyrus Shank Company Danfoss Industrial Refrigeration DeHart Construction Services, Inc. Delta Tee International, Inc. Dorin USA Draeger, Inc. DualTemp Clauger Baltimore Aircoil Co. Bassett Mechanical

EVAPCO, Inc. Farley’s SRP Inc FLSmidth Inc. Frascold USA

ISEL, Inc. ISG Inc.

Premier Insulation Preston Refrigeration Process Heating and

Jamison Door Co. JRG Refrigeration JS Compliance, LLC Keep Supply Kolbi Pipe Marker Co. Lanier Technical College LEWA-Nikkiso America Inc. Logic Technologies, Inc. Logix M&M Carnot, Inc Mac Rak Inc. Marking Services Inc. Mayekawa USA, Inc. McNeil Industrial Mechanic Refrigeration Inc. Multi-Wing America, Inc. NalcoWater and Ecolab Company NAVAC Inc. New England Ammonia Safety Nexus Refrigeration Nitto, Inc. North Star Ice Equipment Corp North Texas Screw Compressor, LLC Owens Corning Parker Hannifin Corporation Phoenix Air Systems Polyguard Products, Inc. MIRO Industries, Inc. MSA Bacharach Inc. MTH Pumps

Cooling PROtect PSM RMP Solutions QuickFreeze Refrigerated Mechanical Solutions - RMS Refrigeration Service Engineers Society - RSES Refrigeration Systems Construction & Service - RSCS Republic Refrigeration RETA Training Institute - RTI Risk Management Professionals Inc. - RMP Schwan’s SCS Tracer Environmental (SCS Engineers) ServiceTrade Shambaugh & Son, LP Sinteco Americano Inc SPX Cooling Technologies, Inc. Stellar Sterling Industrial Refrigeration, Inc. Summit Synergy Refrigeration, Inc. Tecogen, Inc. Teikoku USA, Inc. Vapor Armour, Inc Vilter Manufacturing, LLC Wagner-Meinert, LLC Warrender, Ltd. WEG Electric Corp.

Frick by Johnson Controls Gamma Graphics Services - GGS Garden City Ammonia Program - GCAP Garratt Callahan Co. Gartner Refrigeration Inc. GEA North America General Refrigeration Company Guntner US, LLC H.A. Phillips & Co Hantemp Controls HCG Associates Heatcraft Refrigeration Products LLC Hermetic Pumps Inc. Hill Brothers Chemical Co. Howden Compressors LLC HT Industrial Ltd. Industrial Consultants Products Industrial Consultants, LLC Innovative Refrigeration Technical College - IRTC Insul-Therm International, Inc. Integrated Circuit Systems, Inc. Integrity Testing & Inspection, Inc. Intercool USA, LLC International Institute of Ammonia Refrigeration - IIAR

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WELCOME OUR NEW RAI: JUSTIN MICHAEL

Justin started in refrigeration at age 18 when he went to work for his dad at Preston Refrigeration, Van Buren office back then. He started out as a helper and worked his way up to job site Superintendent. He left Preston and went to work for River City Industrial Refrigeration in Texas and after his dad’s passing, he started to get into the project management side and service side some. After about 14 years on non-stop travel and having small kids he took a job as an operator at a Gerber baby food plant in Fort Smith, AR. Nestle Nutrition bought Gerber and soon RETA became a big part of their training. He got his RETA CIRO while at Gerber. Through some mutual

friends he was contacted when Tyson Foods was looking to put together a corporate training group and the CIRO helped him get his current job at Tyson. Then after working with RETA closely, they as a group decided to go after our RAIs. He took RETAs Train the Trainer at the 2021 Conference and then applied and took the RAI exam at the 2022 Conference. He looks forward to representing RETA and Tyson in the future as a RAI. He enjoys what he does and believes in RETA’s mission. There is nothing better than seeing that light bulb in an operator’s head go off when they truly understand what is going on in the pipes.

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EPIC FAILS

With winter right around the corner, and the fact that those of us that live in, or close to, the Great White North (shout out to Bob and Doug McKenzie) have already experienced a buildup of snow and ice on the ground, it is apropos to revisit the subject of excessive ice buildup on our ammonia refrigeration systems. As I stated in the last article on this subject, this is a topic that is frequently discussed (some would say argued). Regulatory officials have often been concerned with a thin layer of frost on a product tank surge drum or a valve train, such as shown in the photo below. However, operators of ammonia refrigeration systems recognize that this is a normal level of frost buildup, and because it does not impede operation of the valves, and does not negatively affect the physical integrity of the valves and their supports, it is not grounds for concern.

ICE BUILDUP REVISITED By Bill Lape, SCS Engineers

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But what about a more significant amount of ice buildup on a valve train? Say, perhaps what is evident in the picture on the top right? Now we have an issue. Because the ice buildup has progressed to the point where we are unable to physically operate the valve’s manual stem, we must first defrost the valve. Is this out of compliance? Well, it depends on the situation. IIAR6 states in Section 5.6.8.1 that, “Ice buildup shall not interfere with the operation of emergency shut-off valves.” While some may argue that the manual stem is not an emergency shutoff valve, if it is ever intended to be operated during an emergency shutdown of its associated equipment, then it becomes part of the emergency shutdown procedure for that equipment and, as such, it is now out of compliance with Section 5.6.8.1. So, be mindful of your emergency shutdown procedures. Review them and evaluate any maintenance requirements that may arise based on the valves that are identified in the emergency shutdown procedure. IIAR6 goes on to state in Section 5.6.8.2 that, “Ice accumulation shall not be permitted to deflect or bend pipes, displace components, or negatively impact the system’s structural integrity.”

Here are some more examples of possible “excessive” ice buildup:

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Insulation is a component of the refrigeration system. If it is displaced by ice, then it is not compliant with IIAR6, Section 5.6.8.2. Remember that IIAR 6 does state in the informative appendix that, “The owner is permitted to develop and incorporate defrost operational procedures, ice removal procedures using mechanical tools, or both, with determined frequencies to safely remove ice often enough to avoid excess accumulation.” Always be mindful of the potential consequences of ice buildup, particularly if it is allowed to continue for an extended period of time. When developing inspection procedures for your system’s mechanical integrity program, be sure to include criteria that defines what is considered excessive ice buildup for each piece of equipment. Then be sure to develop procedures for controlling ice buildup on each piece of equipment. If you have photos of an Epic Fail please pass them on to nh3isB2L@gmail.com. Bill Lape is Project Director for SCS Engineers. Bill is a Certified Industrial Refrigeration Operator, a Certified Refrigeration Service Technician, and a member of the National Board of Directors of the Refrigerating Engineers and Technicians Association.

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2022 CORPORATE ANNIVERSARY AWARDS

RETA’s development and growth have been, in large part, due to the support of our corporate memberships. It is important for us to recognize these corporate memberships on their anniversary milestones. It is with great pride that we announce the recipients of this year’s anniversary awards.

35 Industrial Consultants YEARS

Baltimore Aircoil Company Hill Brothers Chemical Company Howe Corporation Vilter Manufacturing, LLC YEARS

United States Cold Storage Voorhees, NJ YEARS

H. A. Phillips & Co. Sun Pacific Cold Storage Wagner-Meinert, LLC YEARS

YEARS

AdvancePierre Foods Colmac Coil Manufacturing, Inc. Dot Foods, Inc. Jones Dairy Farm US Engineering Co.

Columbia River Processing Industrial Refrigeration and Boiler Co.

Ingles Market Mericle Mechanical Inc.

Ready Pac Produce Tampa Maid Foods Inc.

YEARS

Cargill Meat Solutions Monticello, MN Cheney Brothers Coca-Cola Refreshments Auburndale, FL Commercial Warehousing Inc. Cargill Meat Solutions Butler, WI Cargill Meat Solutions Friona, TX Danfoss Industrial Refrigeration Dole Packaged Foods, LLC

LambWeston Paterson, WA LambWeston Warden, WA LambWeston Boardman East Plant Lineage Columbia, LLC Woodland, WA Lineage Logistics Los Angeles Cold Storage Company Mar-Jac Poultry, Inc. Hattiesburg, MS MSA Bacharach National Frozen Foods Corp. Chehalis, WA Cooper & Hawkins Inc. Denver Cold Storage, Inc. E. & J. GalloWinery Fresno, CA Intercool USAMidwest ISEL Inc. E2 Mechanical & Industrial Refrigeration Golden State Vintners Hilmar Cheese Co. Dalhart, TX Integrated Circuit Systems Inc.

Koch Foods, Inc. Chicago, IL Nestle Pizza Division Little Chute, WI Nestle USA Anderson, IN J. R. Simplot Company Grand Forks, ND Kerry Inc. LambWeston Twin Falls, ID Mechanic Refrigeration Co., Inc.

Nestle Dreyer’s Ice CreamCo. Tulare, CA Synergy Refrigeration, Inc. Tillamook County Creamery Association

YEARS

Applied Process Cooling Corp California Controlled Atmosphere

10 Atlas Logistics Tolleson, AZ Bitzer U.S., Inc. YEARS

PermaCold Engineering, Inc. Ralphs Grocery Co. Scully Packing Company, LLC Sutter HomeWinery

5 AARDCO Ajinomoto Toyo Frozen Noodles, Inc. Albertsons Distribution Center - North Salt Lake, UT Americold Logistics, LLC Ontario, OR Americold Logistics, LLC Wisconsin Rapids, WI Amick Farms, LLC California Safety Training Corporation YEARS

ConAgra Brands LambWeston Boardman, OR Country Oven Bakery General Mills, Inc. Belvidere, IL Hawkins Engineering Hormel Foods Corp. Industrial Refrigeration Service Co., Inc. Intercool USA, LLC J. R. Simplot Company Caldwell, ID Jewel Osco/Albertsons NAI Kemper Northwest

Nestle Dreyer’s Grand Ice CreamCo. - Bakersfield, CA Nestle Dreyer’s Grand Ice CreamCo. - Laurel, MD Nestle Nutrition - Gerber Products Co. Nestle Pizza Division - Medford, WI Nestle USA Solon, OH OG Packing and Cold Storage PLMOperations, LLC Polyguard Products, Inc. Progressive Processing, LLC (Hormel)

Reser’s Fine Foods Inc. Rich Products Corporation - Murfreesboro, TN Sampson Community College Schwans Global Supply Chain, Inc. Smithfield Crete Distribution Center

Teikoku USA Inc. Tyson Foods, Inc. - RefrigerationTraining Management Tyson Foods, Inc. Van Buren, AR Wyckoff Farms, Inc.

Cargill Meat Solutions Spruce Grove, Canada

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RETA TESTING CORNER NO. 33

RETA’S CERTIFICATION COMMITTEE

RETA’s Certification Committee (Cert Comm) invests considerable time and effort into keeping all RETA credentialing examinations fair, valid and secure. Their work at the 2022 RETA Annual Confer ence in Reno, NV, in November 2022 led to rescoring 80 CIRO and CRST exams based on changes in test content that emerged from 13 hours of CertComm reviews. After CertComm’s revisions were applied to candidate scores, 19 CIRO and three CRST candidates moved from Fail to Pass. All 22 were notified that they qualified for their RETA credentials based on this rescoring. Five

also received refunds for RETA exams they completed after the exam that changed their status. Criteria for these reviews begin with evaluating how candidates perform on all CARO, CIRO and CRST questions. CertComm reviews all questions with performance data that indicates that high-scoring candidates found challeng ing. CertComm also reviews any question that draws comments from candidates after their exams. Prepara

Dr. Ron Rodgers, RETA’s Psychometrician (testing expert) and ANSI Accreditation Manager

tions for these reviews include all questions on these RETA exams.

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CertComm members average over 18 years of industrial refrigeration experience. They include three end users, three from industry manufacturers and suppliers, and nine who are involved in technical support and consulting. CertComm members come from seven states and are active in 12 RETA chapters throughout the country. They also sign nondisclosure agreements in which they agree to protect the security of RETA exams by keeping test content confidential during and after these reviews. CertComm spent over 13 hours evaluating questions on CARO, CIRO and CRST in Reno. Most questions were revalidated as written, but CertComm also edited some questions. A few questions were revised to warrant rescoring. CertComm also identi fied a few that will be replaced with new questions from the pool for each test. CertComm edited a few CARO questions to improve clarity in future exams, but none of these questions required changes that warranted rescoring or replacement. Six of the 135 CIRO questions were rescored, including two that will be replaced on future tests. All 72 CIRO attempts since November 2021 with scores between 64 and 69 were rescored manu ally based on the computer records of their answers to every question on their exams. Nineteen moved from Fail to Pass after rescoring. Four of the 150 CRST questions were rescored, including three that will be replaced on future tests. All eight CRST candidates since November 2021 who scored between 66 and 69 were rescored manually based on the computer records of their answers to every question on their exams. Three moved from Fail to Pass after rescoring. All questions for every RETA credentialing examination must meet strict requirements before it becomes eligible to appear in these exams or practice tests. Every question on each RETA credentialing exam must:

1. Be supported by at least one reference available to all RETA candidates. 2. Include one BEST answer that quali fied candidates can identify from information that is available during the test. 3. Include three incorrect answers that may seem to be correct to candidates who do not understand the question, do not read carefully, make common errors in using or interpreting informa tion in the question or the answers, or do not use the references provided onscreen during the test correctly or appropriately. RETA study guides for CARO, CIRO, CRST and CRES provide candidates a content outline for each test and list references that support questions they will see during an exam. Each study guide can be download ed free from the certification screens on the RETA website. RETA also provides practice tests for CARO, CIRO and CRST. Each practice test is about half the length of the full credentialing exam and includes questions that have met the same standards as those in the full exams. Practice tests have a 90-minute time limit. One practice test attempt is included in the application fee for each of these tests. Candidates may purchase additional practice tests for $59 per attempt. Many candidates who fail – including CIRO candidates with very low scores at the Reno National Conference – have told RETA staff that they did not look at the study guide, books or practice test for their exam before they failed. Even experienced operators and managers have failed RETA exams because they did not look at these resources before their tests. Candidates who are unfamiliar with these RETA materials significantly reduce their chance of passing any RETA exam. Study guides also include onscreen references that support each test. These

appear next to questions on the screen during RETA exams. Candidates must know when and how to use these references during each test. The answers to some questions can be looked up in these references. Other questions require using images, formulas, a NH3 SDS, PT-tables or system screens to find or determine answers. RETA candidates must know when and how to use these references to earn their RETA credential, just as they need to know when to consult manuals for equipment in their refrigeration facilities. RETA’s mission “to enhance the profes sional development of industrial refrigera tion operating and technical engineers” led to creation of CARO, CIRO and CRST to protect the health and safety of all operators, employees and the public in and near these facilities. CRES added energy efficiency to these objectives. RETA Authorized Instructors (RAIs) help all candidates for these programs prepare to earn their RETA credentials. We welcome your questions about RETA’s credentialing exams and activities. Send your questions by email to certification@ reta.com.

Dr. Ron Rodgers, RETA’s Psychometrician (testing expert) and Accreditation Manager, has guided development of all RETA credentialing exams since 2002. RETA Testing Corner provides information and answers questions from RETA members, candidates and others to help them earn and benefit from RETA credentials.

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