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LEED v4 Indoor Water use reduction or outdoor water use reduction

NC-v4 WEp2: Indoor water use reduction
posted by Lou Niles II on Jul 9, 2018, 5:51 pm

Hello I am trying to get some guidance with regard to LEED v4 and outdoor sinks.

Sinks used in outdoor spaces for office buildings or campus , maybe for the BBQ gathering area.

A...

Last reply: emily reese moody, Jul 9, 2018, 9:58 pm

Gender Neutral toilets

NC-v4 WEp2: Indoor water use reduction
posted by Jude Chakraborty on Mar 22, 2018, 7:48 pm

Hello, we are working on an University project which has a directive on Gender Neutral toilets  which means there are no urinals in the building. Though it is great that the University is...

Last reply: Kristen Dotson, May 23, 2018, 7:15 pm

Dual Flush Flow Rate

NC-v4 WEp2: Indoor water use reduction
posted by Leanne Conrad on May 10, 2018, 4:08 pm

We have a product data sheet for a dual flush toilet that states 6L/3L with an effective flush volume of 4L. The Indoor Water Use calculator has an internal calculation for dual flush toilets...

Last reply: Nathan Gauthier, May 16, 2018, 9:54 pm

Percent of Occupants

NC-v4 WEp2: Indoor water use reduction
posted by Amy Ruffino on Jun 1, 2016, 4:12 pm

On the Reduction Calculation spreadsheet, how should the "Percent of Occupants" be filled out for kitchen sinks or urinals? The spreadsheet indicates that the percentage should be 100% if...

Last reply: Emily Purcell, May 14, 2018, 5:17 pm

Watersense- Local Equivalents?

NC-v4 WEp2: Indoor water use reduction
posted by Leanne Conrad on Apr 13, 2018, 12:38 pm

Let's talk about watersense and local equivalents. 

What makes a local standard equivalent? If we can meet or beat the flow rates, is there another requirement or feature that we need to...

Last reply: emily reese moody, Apr 24, 2018, 7:18 pm

Prerinse spray valves in Europe

NC-v4 WEp2: Indoor water use reduction
posted by Antti Karppinen on Mar 27, 2018, 9:26 am

Hi,

LEED V4 prerequisite for prerinse spray valves is 1,3 gpm (4,9 liters per minute) but I haven't found any products with such low flow rate sold in Finland. Some manufacturers have...

Last reply: Jens Apel, Apr 9, 2018, 2:24 am

Sensor Faucets

NC-v4 WEp2: Indoor water use reduction
posted by Jennifer Rennick on Feb 27, 2018, 1:05 pm

In prior versions of LEED, sensor faucets were given a credit for reducing hand washing duration from 15 seconds to 12 seconds. v4 describes calculations for a metered faucet (assumed to...

Last reply: Nathan Gauthier, Mar 6, 2018, 4:31 pm

Open-Loop Heat Pump System/Process Water Use

NC-v4 WEp2: Indoor water use reduction
posted by Kara Rousselle on Feb 16, 2018, 6:00 pm

Can an open-loop ground source supply/injection well heat pump system be used for the heating and cooling system on a LEED v4 project?  Does the WE Prerequisite: Indoor Water Use Reduction Table...

Last reply: emily reese moody, Feb 27, 2018, 2:00 pm

Exempt from Indoor Water Efficiency pre-requisite?

NC-v4 WEp2: Indoor water use reduction
posted by Lawrence Lile on Feb 21, 2018, 12:23 pm

We have a project that includes no bathrooms, kitchens, or other indoor water use.  There is an industrial process that uses water, which we will address separately.  Can we claim exemption to...

Last reply: emily reese moody, Feb 22, 2018, 4:10 pm

Which flow rates to use?

NC-v4 WEp2: Indoor water use reduction
posted by Nate Tsang on Oct 19, 2015, 2:16 pm

Hi all,
The prerequisite lists the baseline flow rates at 60psi (415 kPa). Does this mean that the proposed flow rate must also be at 60psi? Are we able to use the flow rate at the actual...

Last reply: Trista Little, Jan 9, 2018, 9:20 pm