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Pre development conditions for v4

NC-v4 SSc4: Rainwater management
posted by Gabriela Mesquita on Jul 5, 2019, 11:46 am

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...

Last reply: David Posada, Jul 10, 2019, 5:00 pm

Zero lot line projects

NC-v4 SSc4: Rainwater management
posted by Gustavo De las Heras Izquierdo on Mar 26, 2015, 12:47 pm

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...

Last reply: David Hubka, Jun 20, 2019, 7:52 pm

Historical Rainfall Data- Input for Calculator

NC-v4 SSc4: Rainwater management
posted by Hieu Huynh on May 30, 2019, 8:27 am

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...

Last reply: Bipin Karki, May 31, 2019, 8:38 am

Natural Land Cover conditions, option 2

NC-v4 SSc4: Rainwater management
posted by Ricardo Sá on May 22, 2019, 5:28 am

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:...

Rainwater Management- No discharge at all or No immediate discharge?

NC-v4 SSc4: Rainwater management
posted by Junru Shen on Aug 8, 2018, 2:34 pm

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...

Last reply: Seonhee Kim, May 9, 2019, 4:45 pm

Calculator table

NC-v4 SSc4: Rainwater management
posted by Gracielli Monteiro on May 2, 2019, 10:02 am

we used combined...

Bioretention Area Calculation

NC-v4 SSc4: Rainwater management
posted by Jyothsna Giridhar on Sep 6, 2016, 5:57 pm

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,...

Last reply: ANDREA VALENTINI, Apr 3, 2019, 3:25 pm

Zero Lot line Plot and Option 2 Scenario

NC-v4 SSc4: Rainwater management
posted by Boobalan Saravanan on Apr 3, 2019, 1:22 am

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...

Rainwater Collected for Irrigation

NC-v4 SSc4: Rainwater management
posted by ANDREA VALENTINI on Apr 2, 2019, 6:47 am

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...

Dense cities & Municipality infra structure

NC-v4 SSc4: Rainwater management
posted by soha yamani on Mar 24, 2019, 2:26 am

We have a case were our site lies within a densely urban city , where they have minimal events of rainfall but with huge amounts- therefore allover the city they collect the rain water through...