Hello All, 

Has anyone come across a scenario where the general contractor is required to contract for the functional testing of the building envelope commissioning, where the hired BECx simply "observes" the

I do commissioning and I work at a design firm.  When a customer pursues both Fundamental and Enhanced cx- my group would not be able to do the Cx of the project.  However, we believe the

I am working on a new Cancer Center in St. Louis, MO. We are pursuing the envelope commissioning credits and have a question regarding the requirements:

Hi LEED Experts, I would like to ask: Is it a must to have only 1 key CxA person who will sign all the MEP functional testings?

Good morning.!

I understand that there were not any requirements regarding TAB in LEED 2009 -- is this still true for v4?  Just want to confirm that there are no issues with having the balancer contracted un

We have appointed a facade / curtain wall company for our project and we intend to entrust it with the mission of carrying out the necessary tests concerning the commissioning of the envelope.

Does anyone know if there is a deadline for hiring the CxA in the v4 credit? I know I'd recommend no later than DD, as that but am unclear if v4 has a hard deadline.

Dear all, I am CxA and I am trying to include Envelope Cx on my services. However, after a quick glance at the v4 guide, some questions have appeared. Which tests are mandatory to get this Cx?