How to calculate the Runoff Volume  of bioretention area?

Good morning,

In the New Construction v.4 Guide, the calculation of stormwater storage volume for runoff control, does not mention the conditions before the project. I understand that the...

Path 3 states: "manage on site the runoff from the developed site for the 85th percentile ". I guess this requirement was made to exclude the sidewalk from calculations. Am I reading this...

Hi LEED experts, It is difficult to find rainfall data of 10 years in my country. I'm just lucky to find an international source for that long data. But they just recorded the average rainfall...

Dear All,

I have some questions regarding SS C4 Rainwater Management: Natural Land Cover conditions, option 2.

According to LEED v4 BD+C web-based reference guide:...

Hi All, 

We are pursuing option 1 of the Rainwater management credit on our LEED v4 new construction project. I find that the credit requirement is not super clear on whether controlled...

we used combined...

will be that I went to school for a long time to learn how to do this, and it isn't something you're going to learn in a forum post. You can try to follow along with that Direct Determination Method,...

Hi all.

I am working on a project which falls under a zero lot line. Option 1 says everything needs to be done in the design stage and the runoff needs to be managed, which was not done in...

Hi all, I am working on a project where the rainwater is partially collected on site in a tank to be used for irrigation purposes. If the tank is sized for collecting all the runoff volume for...