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Rainwater Management- Exemplary Performance

NC-v4 SSc4: Rainwater management
posted by LUCY WILLIAMS on Oct 9, 2017, 3:09 pm

Per page 194 of the v4 BD+C Reference Guide, the Exemplary Performance section indicates "Manage 100% of rainwater that falls within the project boundary".  This is a fairly vague statement.  Is...

Last reply: Lyle Axelarris, Jan 10, 2022, 2:35 pm

Green roof

NC-v4 SSc4: Rainwater management
posted by Dina El-Sady on Jan 4, 2022, 7:30 am

Is my understanding correct that the building roof must be green to satisfy this credit ? The project is an office building with most of the parking underground and a small surrounding paveway...

Last reply: Gustavo De las Heras Izquierdo, Jan 6, 2022, 5:17 am

Project boundary for rainwater management

NC-v4 SSc4: Rainwater management
posted by Nithya Madan on May 1, 2018, 8:37 pm

Hello,  

I am working on certification for an office building located within a larger campus boundary. We are able to achieve the 98th percentile through option 2. However,the retention...

Last reply: Cindy Quinn, Jan 3, 2022, 7:34 pm

LEED boundaries for 2 different projects

NC-v4 SSc4: Rainwater management
posted by Mohammed Fadili on Dec 30, 2021, 9:48 am

Hello all,

I am currently working on the certification of 2 separated buildings with different usages (separated HVAC and plumbing systems), both are following the v4 BD+C NC. The issue is...

rainwater harvesting

NC-v4 SSc4: Rainwater management
posted by matthew isakson on Dec 2, 2021, 1:55 pm

Hello All,

I am working on an urban redevelopment project that was not designated as a zero lot line. We are proposing a...

Last reply: matthew isakson, Dec 7, 2021, 2:23 pm

Roadways materials

NC-v4 SSc4: Rainwater management
posted by Dina El-Sady on Nov 2, 2021, 11:22 am

Which would be better for this credit , a normal porous asphalt paving or a vegetated interlock ?

Last reply: Gustavo De las Heras Izquierdo, Nov 3, 2021, 1:28 am

Do LID Practices need to capture the entire LEED boundary?

NC-v4 SSc4: Rainwater management
posted by Teresa Lin on Jul 28, 2020, 9:33 am

Hi All, 

Can there be absolutely no uncontrolled flow to achieve this credit? For example, if the required retention volume for the 95th percentile storm is 100 CF, can I oversize ...

Last reply: Afogreen Build, Aug 23, 2021, 5:50 am

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: Simon Joubert, Jul 14, 2021, 10:12 pm

Rainwater Collected for Irrigation

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

Hashir Usman LEEDuser Basic Member May 5, 2020- 8:18 am Hi Andrea, LEED Guide says ''All runoff from the chosen percentile of precipitation events must be managed such that there is no surface discharge from the site. Techniques include, but are not limited to, infiltration, storage and re-use, bioretention, open-grid pavement, and the reduction of impervious area.'' So, I guess it is to use all those techniques that best mimic the natural hydrological conditions before any development occurred. And I read it in this forum that only storing and reusing the runoff volume does not comply...

Last reply: Shannon Oletic, Jul 2, 2021, 9:42 am

Student persuing leed AP

NC-v4 SSc4: Rainwater management
posted by Nitin Chauhan on May 9, 2021, 2:53 am

What is metric for rain water management

Last reply: J Schütz, May 11, 2021, 1:00 pm