What happens when a rainwater tank, designed to keep the required amount of rainwater is faced with a second stormevent? Does USGBC require demonstration of drawdown of the rainwater tank? 

Dear All, 

We are looking for a clarification regarding the EQ credit "Interior Lighting" – of LEED V4.1, about option “GLARE CONTROL”.

Do we have the possibility of combining the...

Ok so I get a comment from the LEED reviewer asking for cutsheets of the lighting fixtures to back up the strategies I'm pursuing for the Lighting Quality section of this credit.  I need to ask,...

Ok so I get a comment from the LEED reviewer asking for cutsheets of the lighting fixtures to back up the strategies I'm pursuing for the Lighting Quality section of this credit.  I need to ask,...

"For all regularly occupied spaces, meet one of the following requirements:  

1. Use light fixtures with a luminance of less than 7,000 candela per square meter (cd/m)2 between...

Hi everyone,

Should we consider the cooling tower...

We are getting some comments from the reviewer that indicate 1) We must include surfaces of interior non-structural walls in our calcs (this is new from other versions guidance)  and 2) that we...

Hi,

In our LEED V4 BD+C Core and Shell project for a 12-story office building, we modeled a water-cooled chiller in the base case (As per ASHRAE 90.1 - System 8). However, in the...

Our project is situated in Athens, Greece, where the neighborhood lacks a dedicated ...

Hi all,

is it acceptable to perform flush-out with door and windows open for a period of time, rather than using mechanical equipment's (exhaust/ HVAC system)?