Heads up for those working on LEED Canada NC 2009 projects, CIR 872 ruled 5,000 pages per month as the definition limit for a convenience copier. Ruling provided 2012-06-08.

Hello, We are dealing with project with underground garage, where adjacent spaces are technical rooms. Can we transfer the air from the garage to the technical rooms to ventilate them?

Our janitor rooms do not have deck-to deck partitions.

We are working on a project considering the use of ventless dryers. Has anyone ever used ventless dryers and had a problem complying with IEQc5? Thanks!

In order to meet EQc5 requirements, do science prep rooms have to be independently exhausted even if fume hoods are installed (given deck to deck partitions and self-closing doors are present as we

I have a situation where I cannot eliminate a sloped acoustic ceiling with a gyp ceiling, and the walls do not go up to the deck (they go to the underside of trusses).

Our client has a fume hood in one of their laboratories but it is not within an enclosed room all to itself.

The building will provide entrance mats for all major entrances. The building have retail units at the ground floor. Do each of those units have to have mats as well?

I recall seeing a CIR a few years that addressed this issue but I'm unable to retrieve it at the Interpretations Database.

Hello, Can alternative methods for duct sealing be used besides plastic wrap? One of our contractors is proposing using foam to seal the end of the duct openings.