I am wondering if you have to use the 1:1 male to female ratio in most cases. My client wants to use a 60:40 male to female ratio and believes a narrative simply stating how that is their actual...

My project is a commercial building. All the fittings except Kitchen sink have been finalized. by assuming a flowrate of 4.3L/min for sink, I have 36% savings and so have advised the architect...

We are working on a University Administrative Building where the toilet fixtures are old, connected to the wall, without a tank, and have no labels of flow rates. How do we measure the flow rate...

Does anyone know how many times per day food service workers (i.e., in a university dining hall) wash -- or are supposed to wash -- their hands? I have no idea, but I'm guessing it should be in...

In a school locker room, I have 1 accessible shower stall and 2 non-accessible showers. It just so happens that the accessible shower head is 1.5 gpm and the non-accessible shower head is 1.6 gpm...

i m working on a mixed use building project (mainly residential) and i have the following question:
1- for offices for example the daily usage is the summation of males usage and females...

Just when you thought you figured out the new commercial LEED faucet baseline (.5gpm or .25gallons per cycle) ...

The State of California adopts the CalGreen Building Code effective...

How are infra-red sensor faucets counted? The ones we installed run as long as someone's hands are under them. I'd think this is considered metered, but it doesn't run for a set time, i.e. 10...

We are applying LEED-NC for a residential clubhouse, which includes swimming pools, sports facilities, gym room etc. Showers are provided for users for cleaning after sports.

In water use...

Do we have to use the UPC standards (189 Reference Guide) in the building as mandatory for lavatory, shower and...