Hello, would anyone know what is the approach to take in oder to identify the Design Flush Rates for fixtures that one does know the make and have no specifications for, in order to perfrom the cal

I have a project in a peculiar situation that is not addressed outright by the guidelines language and I can use some help in interpreting the rules. 

I have a lavatory faucet that are automatically controlled (sensor control) and a flow rate of 5 l per minute. In accordance to the LEED manual the baseline is 1.9 l per minte.

 The potential way to target water reduction is by monitoring the water use for flushing. Is it necessary to install a water meter for each piping that goes to separate toilets?

Hi, I am quite confused as to how to calculate compliance for Option 2 Metered Water Use. We have the consumption data for 12 months for a building however the calculator is only for Option 1.

If we had submeters installed for more then 80% fixtures in the building but the building is unoccupied during the perfomance period we must use (as the reference guide seems to state) the optio

If manufacturer documentation is unavailable and the flow/fixture rate is unknown is it allowed to physically measure and time water consumption rates for at least a 20% of the fixtures of each fix

Can the water meter installed to measure the monthly and total building level water (WEPR2) be used to determine the anual Option 2 metered water use baseline (WEPR1 option2) if there is no more

We are in the process of certifying a Core and Shell building which does not have a previous LEED certification.

If the percentage below water consumption maximum is calculated to be -22% (not 0%) by using the calculator, is the pre-requisite met or not?