Design/Baseline

Regarding a residential kitchen sink that has a faucet and a spray nozzle, would the spray nozzle be measured against the baseline flow rate of a kitchen faucet or a pre-rinse spray valve?

Is there a calculator tool or methodology that we should use when submitting our annual rainwater collection (kGal) calculations for LEED? Our calculations are currently based on BS 8525 Rainwater

We have an adjacent property (with the same owner) that has to remove non potable water from its foundation. This groundwater flows in a large part from our property.

We received our final review on Friday, and do not understand why Credit WEc3 was denied.

If all the plumbing fixtures are to be installed in future by tenant, and if I check Tenant Neutral for WE p1; I will not be able to achieve the prereq. 20%. Is this typical?

My project has achieved a 82% savings in flow & flush fixtures through recycling 100% of the waste water and reusing it for WC and urinal flushing. We documented this with a spreadsheet. Howe

I am working on a large project that includes over 10 buildings.

Would back of house (non public) fixtures in a fire station be considered residential fixtures?

Metered showers and faucets appear to be rather clear based on the available LEED information and the new Water Use Reduction Calculator, but metered urinals appear to be overlooked. Does anyone kn