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NC-2009 WEp1:Water Use Reduction—20% Reduction

Residential Kitchen Sink / Kitchen Sink / Public Lavatory Faucet

We are working in a hotel project where no kitchen sinks have been installed in guest rooms. guests come to restaurants within hotel premises to take meals. so when calculating water use reduction should we include "residential kitchen sinks"? or should we take it as "kitchen sinks" since the residents use fixtures in restaurants? and also it is a bit confusing how to correctly identify "kitchen sinks" and "public lavatory faucets". in the LEEDuser checklist it is stated "Kitchen sinks" includes all sinks in public or private buildings that are used with patterns and purposes similar to a sink in a residential kitchen. Break room sinks would be included; commercial kitchen sinks are not included. Lavatory faucets refer to hand-washing sinks, regardless of location" How does this apply to the situation in our project described above. Thanks.

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Wed, 02/01/2012 - 17:33

Hi Udana, I'm not sure what you mean by residents use fixtures in the restaurant? But we model restaurants as no kitchen sinks, but do include any handwashing sinks as public lav faucets with a separate fixture group of staff useres. Private lav faucets in the rooms with a fixture group for your guests.

Mon, 05/14/2012 - 11:56

Unless it's a hotel that provides 100% of meals, I'd personally argue that a hotel guest would still have some "kitchen sink" usage when they use their hotel room bathroom sink to wash out a coffee mug or something like that. I think the percent of users is lower, though, than residential or FTE. Maybe you could argue that 50% of the hotel guests use a "kitchen sink" with a flow rate set to your bathroom lav. (Even that would likely be high.) But definitely include a narrative / comment describing why you're including it and that the hotel guest is washing coffee cups, etc., in the bathroom sink and treating it as a kitchen sink.

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