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Time Based Sensor Flash Valve for Dual Flash

NC-2009 WEc3: Water Use Reduction
posted by Orçun Özhelvaci on May 23, 2019, 6:43 am

We have a project where we can only use Flash Valves for WC instead of Reservoir. The valve is having a sensor and has a kind of automation for the dual flush option. The manufacturer...

Last reply: Kristina Bach, May 23, 2019, 9:25 am

Exemplary Performance WEc3

NC-2009 WEc3: Water Use Reduction
posted by Nirwair Singh Bajwa on Aug 30, 2018, 12:33 pm

Hi LEEDusers,

I have a technical question regarding WEc3 exemplary performance. Can somebody confirm requirement for exemplary performance in LEED-2009 NC USGBC reference guide or have...

Last reply: Justin Brevick, Jan 28, 2019, 3:38 pm

Occupancy rate for disabled

NC-2009 WEc3: Water Use Reduction
posted by Mark JIN on Aug 10, 2017, 12:41 am

Our supplier is providing basin taps with different flowrates for normal washrooms and disabled washrooms. How can I determine the occupancy of the disabled to estimate water usage? 5% of total...

Last reply: kerry wang, Aug 15, 2017, 4:00 am

Water Bottle Filling Stations

NC-2009 WEc3: Water Use Reduction
posted by Norma Lehman on May 9, 2013, 9:14 am

do these count in our standard water calculations? if not, can we include them as process water to earn exemplary? in the FAQ section above it states that water fountains and other fixtures...

Last reply: Tracy Marquis, Jul 20, 2017, 3:21 pm

Municipally supplied "purple pipe"

NC-2009 WEc3: Water Use Reduction
posted by Kath Williams on Aug 20, 2016, 1:59 pm

Informal discussions among LEED project team administrators reveal conflict in whether greywater to flush toilets does/does not have to be generated onsite. Now that non-potable, greywater is...

Last reply: Kath Williams, Jan 27, 2017, 1:35 pm

Calculating stored rainwater available

NC-2009 WEc3: Water Use Reduction
posted by Yusuf Turab on Aug 13, 2016, 7:40 am

We are having some trouble coming up with the calculation for rainwater stored and reused annually. We have a...

Metered urinals...

NC-2009 WEc3: Water Use Reduction
posted by Ward Miller on Apr 18, 2016, 12:06 pm

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...

Last reply: Carlie Bullock-Jones, Aug 11, 2016, 2:19 pm

Urinals on residencial

NC-2009 WEc3: Water Use Reduction
posted by Alejandro Macias on Apr 12, 2016, 2:36 pm

I m working on a dormitory for kids. On the project we have bathrooms that only will be used by the kids (I am considering them as residencial), and other restrooms that will only be used for the...

Last reply: Carlie Bullock-Jones, Aug 11, 2016, 2:10 pm

residential kitchen- spray nozzle

NC-2009 WEc3: Water Use Reduction
posted by Erin Holdenried on Aug 9, 2016, 4:45 pm

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? I...

Last reply: Carlie Bullock-Jones, Aug 11, 2016, 11:36 am

Wastewater

NC-2009 WEc3: Water Use Reduction
posted by Alejandro Macias on Apr 11, 2016, 5:54 pm

I m using the "water use reductions calculator" to document the WEp1 and WEc3. But in the project im working we will be reusing waste water for the WC and urinal flushing. How can I document the...