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System manages the 1:5 and 1:100 year event - compliant?

NC-2009 SSc6.1:Stormwater Design—Quantity Control
posted by  Lindsey Kindrat  on 

In my region, the DP requires that the major storm system be designed to convey runoff from the 1:100yr event (and minor system to convey the 1:5yr event).

3
Executive Director, Principal Sustainable Building Specialist
3 Point Environmental Inc.
LEEDuser Basic Member
3 thumbs up
Wed Feb 26, 2014, 1:49 pm

Run-off calculations for a site with future extensions

NC-2009 SSc6.1:Stormwater Design—Quantity Control
posted by  Valentin Grimaud  on 

Dear community, We certify a project that will have two extensions in the future. Because of this we cannot earn crédits SSc5.1 and SSc5.2 as per the MPR.

4
Regional Stormwater Leader
Arcadis North America
LEEDuser Expert
144 thumbs up
Thu Dec 26, 2013, 4:33 pm

Off site stormwater handling

NC-2009 SSc6.1:Stormwater Design—Quantity Control
posted by  Alicia Freire  on 

Can we obtain this credit for a site that already has natural drainage systems surrounding it, i.e. outside the site boundary? The water that falls on the site is taken care of in a natural way.

3
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Associate
hurleypalmerflatt
LEEDuser Basic Member
26 thumbs up
Tue Dec 3, 2013, 3:51 pm

Stormwater Harvesting and Runoff Queries

NC-2009 SSc6.1:Stormwater Design—Quantity Control
posted by  Greg Kight  on 

We have a tall office building that has a cistern for rainwater harvesting. I have two related questions: 1.

3
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Designer
Croxton Collaborative Architects PC
LEEDuser Basic Member
2 thumbs up
Mon Oct 28, 2013, 5:19 pm

Unavailable rainfall data

NC-2009 SSc6.1:Stormwater Design—Quantity Control
posted by  Magda Aghababyan  on 

Hello, We have a project in Sri Lanka where we try to attempt this credit via percentile rainfall event option. However we find difficulty of getting continuous 30 year rainfall data.

4
Regional Stormwater Leader
Arcadis North America
LEEDuser Expert
144 thumbs up
Mon Jul 22, 2013, 12:35 pm

unit (cf/storm)

NC-2009 SSc6.1:Stormwater Design—Quantity Control
posted by  Ameet AA  on 

My project is using Option 1: Design stroms,Case 2 :Site with existing imperviousness mote than 50% LEED online template V 5.0 Table 6.1-3 Site runoff: Two year,24 hour Design storm quantity is r

3
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LEEDuser Basic Member
27 thumbs up
Wed Jun 19, 2013, 12:06 pm

Option 1, Case 1, Stream Channel Protection

NC-2009 SSc6.1:Stormwater Design—Quantity Control
posted by  Adi Negara, LEED AP BD+C  on 

Hi all, We have a new construction project that is to build 30 ha factory, however the owner decided only to pursue LEED certification for the office building site, a small portion of the factory

5
Thu Jun 13, 2013, 12:27 pm

Question about sizing the silt trap

NC-2009 SSc6.1:Stormwater Design—Quantity Control
posted by  Magda Aghababyan  on 

Hi, We are trying to pursue both storm water quality control and quantity control credits.

3
Tue Jun 11, 2013, 2:29 pm

Rainfall Event Interval

NC-2009 SSc6.1:Stormwater Design—Quantity Control
posted by  Alicia Freire  on 

Hello, I was wondering if someone could clarify how is the Rainfall Event Interval required to calculate the minimum drawdownrate for a tank calculated. Is this something we need to calculate?

3
Fri Jun 7, 2013, 1:24 pm

Design Respons from GBCI C6.1

NC-2009 SSc6.1:Stormwater Design—Quantity Control
posted by  Veronika Sundberg  on 

Hej, We got feedback from our design submittal with the following technical advice: “Rainfall intensity is normally dependent on the time of concentration.

6
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Environmental Engineer - Certification
Skanska Sverige AB
LEEDuser Basic Member
94 thumbs up
Fri May 24, 2013, 11:21 am