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

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?

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.

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

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

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.

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

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

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