On LEED Online and in the Reference Guide one use of a lavatory faucet is 15 seconds. In the Water Use Reduction Additional Guidance (updated July 14, 2011) page 3, the duration of a lavatory...

Hello Everyone:

The project we are working on is an office building applying for LEED CS. The project will have two "public" restrooms in each floor (men/women). These types of...

I wish to pursue an Alternative Compliance Path for taking account of collected rainwater being used for the toilet and urinal flushing under credit WCp1 and WE3. Should icomplete the template as...

LEED-CS 2009 form WEp1 version 4.0 states the following:
"Note: The flow rate for all pre-rinse spray valves must be less than or equal to 1.6 gpm. If there are multiple fixtures with...

The latest version of LEED NC & CS v3.0 Addenda incorporates changes and improvements to LEED 2009 resources. However there are some considerations that were not clear. Find bellow some...

Good morning,
My building is a residential building and was certified as core & shell, credit MR - 4 (Recycled Content) there is a paragraph that says interior construction is not part...

Hello. We are doing a C&S certification for an office building.
Ground floor is commercial basically (therefore the restrooms are public)
Floors 1 to 7 are offices for lease that...

From what I have read on this website, my understanding is that if we are not installing any plumbing fixtures as part of the Core & Shell work, then we must make the water reduction a...

Can someone confirm me that the use of faucet aerators is an allowed way to achieve WEp1 WE c3 for Leed CS v3 ? It's impossible to find a faucet with a so low flow rate in italy. If someone...

According to the LEED Addenda, I can't include the non-potable water usage in the WE P1 and C3 calculation. But my project registed before this Addenda issued. Can I still include the non-potable...