Dear Sir or Madam,
Smoking must be prohibited within 25 feet of building entries, outdoor air intakes, and operable windows. A designated smoking area must be located at least 25 feet away...

Dear all,

We have mechanically ventilated spaces. For the option 1 we therefore have to comply with the requirement B. interior cross-contamination prevention. To create negative pressure...

For determing the openable wall area (which has to be a minimum of 4% of the net occupiable floor area) should WOCDs (Window Opening Control Devices) be considered? Please explain how to...

Dear LEED community,
we are working on a project in Berlin, Germany. The existing building is a logistics center consisting of a logistics and warehousing facility made up of 3 units (48,...

Does anyone know if there are definitions for the different irrigation types? Especially the differences between the two drip types would be of interested.
Thanks, Jens

Dear all,
I have a question according to meet the composite sound transmission class (STCC) ratings listed in Table 1:
Do we have to meet the...

Hello all,

We have an office project which utilizes waste heat from the neighbor landfill gas plant. The plant and office is owned by the same company. The plant produces electricity from...

Hello all,

We have a C&S office project where the owner prepares technical infrastructure for VRF heating cooling system in tenant area. All tenants are obligated to use VRF system...

Our project is located in an urban environment, we are just a few yards short of fulfilling the requirements. Our project is expected to have as little as 5 FTEs, potentially even less. Do you...

The Definition of interior/exterior in the LOW-EMITTING MATERIALS credit is a bit confusing for me. What is exaclty defined as a waterproofing membrane or air- and water-resistive barrier...