BEC Houston – April 2018 Symposium: Building Enclosure Commissioning

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April 20, 2018
9:00 AM
Amegy Tower
1717 West Loop South
9th Level (JCC-A & B)
Houston, TX 77054
713 520 0155

Brought to you by the Building Enclosure Council

BEC Houston – April 2018 Symposium – Building Enclosure Commissioning (BECx)

Friday, April 20, 2018

9 to 9:15 AM – Registratoin, networking and breakfast
9:15 to 10:45 AM – Presentation 1; Presented by Lee Durston, Principal, Morrison Hershfield
10:45 to 11 AM – Break
11 AM to 12:30 PM – Presentation 2; Presented by Bill Coltzer, Managing Partner, Zero/Six Consulting
12:30 PM – Lunch and open discussion/questions

Location:  Amegy Tower – 1717 West Loop South, 9th Level (JCC-A and B), Houston, Texas 77054; visitor parking available in building garage.

BEC Yearly Membership Registration will be $30 per year or $20.00 registration fee for BEC non-members, free for current BEC Members (membership fee waived for those that attended last year’s final event), students and interns.

Registration Link:

Presentation 1: Building Enclosure Commissioning, Energy and Air Barriers – “Continuity is the Key” 1) Understand BECx and the basics of holistic commissioning related to air barriers; 2) Review theory/historical progression of air tightness requirements; 3) Understand air tightness codes and standards; 4) Understand air leakage performance verification testing.

Presentation 2: Building Enclosure Commissioning and Performance Testing – “Whole Building Commissioning” 1) Discuss lab mock-up type, test standards and the benefits for enclosure design and Cx; 2) Review field testing standards and requirements to verify enclosure performance; 3) Understand coordination of Cx specification/plan with lab and field testing requirements; 4) Understand difference between past BECx process and current shift to whole building commissioning with LEED v4 and 2015 IECC influences.

Presenter Biographies: 
Presenter 1: Lee Durston is a Principal, Sr. Building Science Consultant with the Building Specialty Services with over 15 years of building science experience over a variety of project types including military, mid-rise, high-rise, natatoriums, government, multi-family residential, and sporting venues.  Lee performs holistic building envelope consulting and commissioning as well as forensic investigations using his skills in science and engineering to define, analyze, and remediate problems or failures in the building enclosure. Lee provides training for industry professionals, contractors, architects, developers, Navy Facilities Command (NAVFAC) and the US Army Corps of Engineers (USACE) on topics including Buildings Science, Infrared Thermography, and Air Barrier Design, Construction & Testing. He has served on the US Department of Defense High Performance Building Envelope Task Force and is a contributing editor for the USACE Air Leakage Testing Protocol.

Presenter 2: Bill Coltzer Jr., AIA, is the managing partner of Zero/Six Consulting, LLC and Z6 Commissioning, LLC; two firms focused on the design, construction, and commissioning of the exterior building envelope. The son of a General Contractor, Bill was raised in the family construction business, studied Environmental Design at Texas A&M University, and in 1993 became a licensed Architect. Since the inception of Zero/Six in 2003, Bill has established both Zero/Six and Z6 as premier building envelope firms, neither restricted by geographic or climatic boundaries. As an Architect with extensive and practical experience in both design and construction, Bill brings a unique perspective into the construction process, allowing him to lead teams of Architects, Engineers, and Contractors to maximize the performance, cost savings, and longevity of buildings.


  • Chamberlin
  • Terracon
  • JE Dunn
  • Zero / Six Consulting
  • Morrison Hershfield
  • Huber Engineered Woods