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Is it possible to get post development run off in negative?NC-2009 SSc6.1: Stormwater design - quantity controlposted by B MS on Sep 19, 2011, 2:40 am
Our project is located in Kathmandu, Nepal and I have a few questions regarding the following points. 1. As per the Table 1 page # 104 of 'LEED Reference Guide for Green Building Design... Last reply: Gregory Hurst, Nov 23, 2011, 11:52 am |
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Option 2: Stream Protection PlanNC-2009 SSc6.1: Stormwater design - quantity controlposted by Robert Thuston on Aug 2, 2011, 5:23 pm
I apologize if the requested information is included on this site but I have not seen it to this point. Can anyone give me a definition of what constitutes a stream channel? We are looking at a... Last reply: Tristan Roberts, Nov 20, 2011, 9:31 pm |
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SSc6.1 Pond with Flow Restrictor and Total Stormwater VolumeNC-2009 SSc6.1: Stormwater design - quantity controlposted by Sandra Bauder on Oct 13, 2011, 9:32 am
I am having the same issue as Lucy (October 18, 2010) on one of our current projects, and the comments by Gregory and Jennifer were helpful but I still have some questions. Last reply: Sandra Bauder, Oct 17, 2011, 3:16 pm |
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The data I have to work withNC-2009 SSc6.1: Stormwater design - quantity controlposted by Kash Boodjeh on Jul 19, 2011, 3:47 pm
The data I have to work with for filling this credit out are pre- and post-development calculations for a 100 year storm with a duration of 1 hour. How does this relate/convert to 1-yr, 24 hr and... Last reply: Susann Geithner, Aug 11, 2011, 1:20 pm |
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Case 2 Site with little decrease in Impervious RatiosNC-2009 SSc6.1: Stormwater design - quantity controlposted by ryan mclean on Jul 5, 2011, 11:14 am
I am in the processing of accessing the feasibility of attaining this credit with a site that is currently 88% impervious and the proposed site is roughly 81% impervious. While i will be able to... Last reply: Susann Geithner, Jul 29, 2011, 10:44 am |
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How to show 100% InfiltrationNC-2009 SSc6.1: Stormwater design - quantity controlposted by Kenneth Bailey on Feb 25, 2011, 11:09 pm
Our project is the only development on a small, flat, island. The surface is sand or sandy topsoil and is extremely porous. After development, the only impervious surfaces will be roofs, some... Last reply: Amy Rider, Mar 2, 2011, 6:19 pm |
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runoff coefficientNC-2009 SSc6.1: Stormwater design - quantity controlposted by Eric Yao on Feb 10, 2011, 4:36 pm
what the value of runoff coefficient for gravel area (2% gradient)? Last reply: Amy Rider, Feb 16, 2011, 3:22 pm |
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Multiple Drainage PatternsNC-2009 SSc6.1: Stormwater design - quantity controlposted by Joseph Blanco on Feb 7, 2011, 3:14 pm
Can you tell me how to calculate for multiple draingage sites, i have Three on this particular project. The TC is based on the length and travel and the slope towards the discharge point . Do i... Last reply: Gregory Hurst, Feb 8, 2011, 2:37 pm |
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Which point in time do I take for ascerting imperviousness?NC-2009 SSc6.1: Stormwater design - quantity controlposted by Christian Brücher on Dec 17, 2010, 5:05 am
Hello, Last reply: Tristan Roberts, Jan 21, 2011, 4:47 pm |
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Pre-development Imperviousness greater than 50% AND in ColoradoNC-2009 SSc6.1: Stormwater design - quantity controlposted by Deborah Lucking on Oct 11, 2010, 12:35 pm
Has anyone managed to achieve this credit for an urban site in Colorado, with pre-development imperviousness greater than 50%? our water laws prevent any water harvesting. We will provide... Last reply: Tristan Roberts, Oct 29, 2010, 2:10 pm |
