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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
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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
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Pressure and flow rates

NC-2009 WEp1:Water use reduction
posted by  Mike D  on 

We have come across an issue regarding flowrates and pressure. LEED states 2.5 gallons per minute at 80 psi for showers for example.

0
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Adjustable shower head

NC-2009 WEp1:Water use reduction
posted by  Nelina Loiselle  on 

We received a reviewer comment saying since we had an adjustable shower head we would have to assume the highest gpm setting.

1
Fri Dec 20, 2013, 9:25 pm
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Average Daily Transient

posted by  Hsin-Yi Hsieh  on 
1
Tue Feb 16, 2010, 1:37 am
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Appealing WEp1

NC-2009 WEp1:Water use reduction
posted by  Anu Sumanth  on 

We have a small two story core and shell project. The owner provided rough ins for plumbing fixtures to be installed by the tenant.

1
Wed Jul 23, 2014, 2:08 pm
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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