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Rain water infiltration

NC-v4 SSc4: Rainwater management
posted by Marion THIBAULT on Feb 25, 2020, 7:35 am


Does the Rainwater Management credit and the OPTION 1. PERCENTILE OF RAINFALL EVENTS (Path 2. 98th Percentile) option require water...

Last reply: Gustavo De las Heras Izquierdo, Feb 26, 2020, 1:37 pm

International Equivalencies for 2 year 24 hour storm?

NC-v4 SSc4: Rainwater management
posted by Casey Cullen-Woods on Feb 20, 2020, 6:07 pm

We have a project in Saudi Arabia and are wondering if any other projects have approved equivalencies for the 2 year 24 hour storm? For this particular project location that would essentially be...

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...

Last reply: Casey Cullen-Woods, Feb 20, 2020, 6:04 pm

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: Vincent Pieri, Feb 14, 2020, 4:10 pm

SSc4- Special Site Strategies beyond LEED v4 criteria (Rainwater Management + Industrial waste-water considerations)

NC-v4 SSc4: Rainwater management
posted by Olawale Taiwo on Feb 10, 2020, 4:45 pm

The credit requirements may be met using a coordinated approach affecting the defined project site that is within the

Green Infrastructure Stormwater Reuse

NC-v4 SSc4: Rainwater management
posted by Patrick Murphy on Jul 31, 2018, 6:14 pm

mechanical and plumbing has been repeatedly denied. There are a bunch of examples in this forum.  Log in or register to post comments Maria Porter Environmental Certification Engineer Skanska Sweden LEEDuser...

Last reply: Maria Porter, Feb 5, 2020, 4:56 am

Calculations for volume of rainwater managed by GI or LID strategies

NC-v4 SSc4: Rainwater management
posted by RUI MIAO on Oct 7, 2019, 11:04 pm

How to calculate the Runoff Volume  of bioretention area?

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