What needs to be in the building during the air samples? I am confused about "moveable" furniture with "workstations and partitions" as examples when these are not really "moveable". The project...

Hello! A question about approaching the v4.1 Option 1 credit requirements. In v4 the credit language states "Ventilation fans without supplemental cooling or heating, or temporary, supplemental...

I am doing LCA analysis for LEED by Athena. the building is modeled in Revit and I am getting the takeoffs from the model. My question is regarding columns and beams calculation. If we do have a...

Can you get credit for refillable pens? Would it go in the 'Extended Use' cateorey? The rating system only mentions batteries and toner cartridges.

Some states have laws prohibiting sharing tenant utility data; I presume to protect residents against unscrupulous landlords. How does a multi-family project meet the prerequisite if tenant...

Has there been any guidance posted on exactly how to measure athletic fields per this language: "Dedicated athletic fields that are solely for athletic uses are exempted from counting toward the...

Our company is in charge of validating an office building compliance with credit IEQc8.2 - Views, under LEED2009 V3. 

The building floorplate is shaped as a rectangle that repeats itself...

Our HVAC engineer indicated that ASHRAE 55 cannot be met on a healthcare project because it is not applicable for metabolic rates below 1.0.  Isolation room and ICU patients could be sleeping...

Source for Table 1 Maximum Parameters

When determining baseline calculations, I know not to include any aggregate areas. But if an area is initially grass with either temporary or permanent irrigation, should it be counted at all if...