The selling area of a retail commercial interior project will be a conditioned space located over a parking area whose height is half under sidewalk level and half above it.

Does anyone know of an exception to the MERV 6 filtration requirement of ASHRAE 62.1 if equipment is incapable of housing a MERV 6 rated filter?

I have a school that is approximately 180,000 sqft. I'm able to take exceptions for a large gym that is approximately 40,000 sqft and use PSZ in this area.

Has anyone calculated or have access to the R 404A maximum refrigerant charge as provided for some other refrigerants in Table 2 on Page 310 of the BD+C Reference Guide?

The credit requirements do not clearly state that one cannot count multiple stops for the same route.

I would to know if there is any variation in the limit of VOC emissions from paints allowed, if this painting is located in ventilated spaces such as courtyards, or in spaces with temporary occupat

We are working in project within a universitary campus.

It appears that the guidelines references in the LEED 2009 manual have now been revised and are no longer available.

Does LEED have any requirements on spacing or the type of bike racks used? Can crowd control or wheel bender type racks meet the credit requirements? How does LEED define a bicycle space?

Looking for some experience or assistance with the definition of 'commuter rail'. Would an Amtrak station qualify as a commuter rail station?