John Butterfield

Before joining Hallam-ICS in 1987, John spent 16 years in facilities operations and maintenance with three large multinational companies. John’s prior experience includes project engineering and management; in the areas of process systems and facilities engineering and operations. In his 28 years with Hallam-ICS, John has played a leadership role in facilities and process commissioning and design for multiple facilities.
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Recent Posts

Oct 18, 2018 | Written by John Butterfield | MEP Engineering

Five Lessons from my Engineering Career

My perception of an engineering career started about the time I was in high school. I had visions of smart young engineers, armed with enthusiasm and technical knowledge solving complex problems that would make the world a better place.


Sep 13, 2018 | Written by John Butterfield | Culturally Different

Flying High with the Young Eagles

Back in 1987 I made two life-altering decisions. The first was that I left a career with large, multinational corporations, and joined Hallam Associates. (I was Hallam employee number 9!).


Mar 08, 2018 | Written by John Butterfield | Commissioning and Validation

Commissioning Lessons Learned: “The real-life importance of O&M manuals and training”

Congratulations! You’ve been promoted, and now you oversee the maintenance and operation of a brand-new building. You look on in pride at your shiny new facility. The architect, engineers and contractors have left, and now it’s all yours.


Sep 07, 2017 | Written by John Butterfield | Arc Flash and Electrical Safety, MEP Engineering

New 2017 Industrial Control Panel Short Circuit Requirements

Requirement #1 

It is commonly understood that any piece of electrical equipment must be rated to withstand the short circuit current available from the electrical supply. If the short circuit availability exceeds the equipment rating, an electrical fault could result in damage, along with possible fire and injuries.


Nov 01, 2016 | Written by John Butterfield | Culturally Different

Aptitudes – “Your Natural Gifts"


Do you ever wonder why some people are good at certain activities, and yet struggle with others? When you ask someone about this, the answers are often “Well, it just comes easy for me”, or “I’ve never been good at this kind of thing.”  So, why are some people good at organizing paperwork, whereas others naturally gravitate towards creativity? Why is it that some of us can design things in our head, or solve puzzles,


Oct 13, 2016 | Written by John Butterfield | MEP Engineering, Commissioning and Validation

Seven Recommendations to Ensure Proper Building Operating Sequences


Many years ago, when I first got into building commissioning one of my mentors told me that over 70% of building operating issues stem from unclear expectations, and/or unclear communication.

Despite significant changes in equipment, codes and technology; clarity of expectations and communication remain as pertinent today as they did back then. 

Here are seven recommendations for ensuring that MEP building systems, operate as they are intended to.


Jun 02, 2016 | Written by John Butterfield | Arc Flash and Electrical Safety, MEP Engineering

4 Changes to 2017 National Electrical Code for Renewable Energy Systems

One cannot help but notice the increase in solar and wind powered electrical generating sites that seem to be appearing everywhere. Authorities, investors, designers, installers, owners, and the general public are being challenged to address the environmental, operation and safety impacts of these systems.