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We provided new showers in our project to comply with the alternative transportation credit. Should they be considered in WEp1 calculations?

Can you explain the 12-second duration for metering faucets?

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Our project does not have any eligible water fixtures in the project boundary. Can we comply with WEp1?

We are having trouble finding EPAct-compliant fixtures. Is that a problem?

Where can I find a clear meaning of "public" and "private" as relevant to lavatory faucets?

Our project is a factory with historically a 95% male workforce. The restroom design accounts for this. Can I argue that the male/female gender ratio is different than 50/50?

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In LEED review comments I've been referred to the Water Use Reduction Additional Guidance document. I didn't know this was a required reference document.

Should I include bar sinks? What about mop sinks or janitor sinks? Swimming pools? Safety showers? Bidets? Tub spouts?

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CS-2009 WEp1:Water Use Reduction

Showers for SSc4.2

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BH .
LEEDuser Basic Member
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Hi, I have doubts regarding showers for bicycle racks calculations for WEp1. In theory only certain group of office staff will use them, so should I create a specyfic extra group (in table WEp1-2 - fixture group definition) of FTE`s only for showers (i.e. 5% of all FTEs)? The same problem refer to toilets is shower space. Does anyone have an idea or experience what will be the best solution? Best, R.

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Wed, 09/12/2012 - 15:53

No need to create a separate fixture group for the FTE shower use in Table WEp1-2 - Fixture Group Definition. Fixture groups are meant to define different occupant groups (i.e. office, warehouse, retail, etc.) within the building that use a specific subset of flow and flush fixtures. If the project occupants have similar usage patterns, one fixture usage group should be used to represent the entire occupancy. The form will automatically calculate the daily usage rates for the plumbing fixtures entered in the Fixture Group when the group is assigned to each fixture.

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