For the HVAC Background Noise, do all spaces have to use the same Sound Rating Method (NC/RC, dBA, dBC, RC(N)), or can these vary by individual space or by space type?

Hi, see here an extract from the Reference Guide: "The envelope must be covered in the OPR and BOD, but full envelope commissioning is not required unless the project team pur

Few green disinfectants (e.g. Green Seel, UL or EPA Safer Choice Standard certified) are available in Hong Kong market.

Our clients proposed two commonly used disinfectants:

Hi everyone,

If the project is served by a district cooling plant outside LEED project boundary , does the chilled water count as process water and needs to be included in water efficiency calculations?

Hi all,

We found that CBECS data was more conservative than the metered water use for kitchen areas from comp projects in the portfolio.

We are working on a post-secondary education project incorporating both gendered and all-gender restrooms.

Our project is a machine/model-making shop in an art and design college. There are 4, ungendered, single-user bathrooms that all occupants have access to (no other bathrooms).

Hi LEED experts, for option1, in comparison with the Base Ratios, will we just count car parking lots that are owned and used by the fit-out projects? we won't count the entire&