Hi, Our project site is a landfill area which was used as a parking during the construction of a tunnel located nearby. The site consists on very low permeable soil (mainly clay).

Hi, All!

The daily rainfall data is not available four our project in our country. We chose to check the Aquastat data, which gives only one average annual number, 562mm.

Hi, All!

Hello  LEED experts,

I have a project with a small Open space, so the LID techniques will be collection and reuse of rainwater via Rainwater cistern.

The project is situated in Sofia, Bulgaria.

We are working with a building in an urban core area that wants to upsize the stormwater retention tank to capture all rainwater on site.  They then plan to use the water for irrigation, cooli

Dear All,

I was trying to find a guidance about it everywhere but didn't find or missed it.

My question is regarding is there any time limit to reuse the collected rainwater?

I came across a video about treatment area calculation on USGBC website: 

Hi, 

I noticed that the sample document provided in the documentation toolkit is applicable to LEED v2009, and not sample document for LEED v4 is available.