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Dual Flush and HE1.28 gpf mixture

NC-2009 WEp1:Water use reduction
posted by  Paul Telford  on 

I have a bit of a dilemma on my hands with the WE calculations. By owner request, we specified dual flush toilets throughout the building.

1
Wed Sep 7, 2011, 9:15 pm

Mechanic Area Washfountatin

NC-2009 WEp1:Water use reduction
posted by  Robin Dukelow  on 

We have a NC-2009 project were there is an automotive service area that has a washfountain for use by the mechanics only.

1
Thu Apr 16, 2015, 8:41 pm

Gender Ratio Impact on WE p1 and c3 Water Calculations

NC-2009 WEp1:Water use reduction
posted by  J Douglas Dietrich  on 

We understand from experimenting with the forms that the results are influenced by the male to female ratio. Are all projects required to use a 50:50 ratio?

1
Thu Jan 12, 2012, 9:00 pm

Residential Dual Flush Calculations

NC-2009 WEp1:Water use reduction
posted by  Michelle Rosenberger  on 

When you are calculating, dual flush weighted averages for residential usage, the guidance says 1:2 ratio of full to low flush uses for both females and males.

1
Mon Dec 30, 2013, 8:09 pm

What is the baseline flow rate for Jacuzzi?

NC-2009 WEp1:Water use reduction
posted by  Karina Kuan  on 

Hi!! My project is planning to use Jacuzzi as one of the sanitary fitting in the master room.

1
Tue Nov 26, 2013, 6:43 pm

All sanitary installations will only be built at tenant fit-out

NC-2009 WEp1:Water use reduction
posted by  Mark Frey  on 

We are working on the LEED Core&Shell (v3, 2009) project in Switzerland .

1
Sat Jul 26, 2014, 11:11 am

Greywater and wastewater reuse

NC-2009 WEp1:Water use reduction
posted by  CT G  on 

We have seen several comments regarding the possibility (or not) to achieve both WEp1 and WEc3 through the use of on-site greywater and wastewater.

1
Fri Jan 30, 2015, 4:14 pm

FTE/calc guidance for hospitality

NC-2009 WEp1:Water use reduction
posted by  Tristan Roberts  on 

FYI, the November 2011 addenda has two additional pieces of guidance on WEp1 calcs that are especially useful for hospitality:

1
Wed Feb 1, 2012, 7:17 am

Vairable flow showers

NC-2009 WEp1:Water use reduction
posted by  Nicholas Bristow  on 

We are considering using multi-flow shower heads on a commercial office project for the locker rooms.

1
Tue Sep 22, 2015, 6:18 pm

Sauna

NC-2009 WEp1:Water use reduction
posted by  Jim Park  on 

I am working on a hotel project, which would use standard fixtures (no high-efficiency fixtures), but would still earn 2 points under WEc2, and 2 points under WEc3 due to utilizing recycled gray wa

1
Fri Apr 6, 2012, 5:19 pm