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Are there any requirements for the frequency of meter reading/recording?

If a building only has one of the required systems, is it enough to submeter that one or are you not eligible for the credit at all?

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NC-v4 WEc4:Water metering

Do you need to have landscaping in current design to use landscaping water submeter for this credit? & a question about hot H2O.

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Glen Boldt
ZC Sustainability
LEEDuser Premium Member
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Our project is a model and protype shop at a private art and design institution. Our first sub-metered water use will be the electric water heater, which provide 100% of the building hot water.

The second use was going to be the exterior landscape irrigation. However, to keep the project within it's budget for the year, installing the landscape was VE'ed out for another year or two. There is a schematic design for the future and the owner would likely vouch that all landscape irrigation water will come form this metered source. Can we use this as one of our metered uses? 

Our other option would be submetering the qualifying plumbing fixtures and fittings. If we do that, do we need to meter the hot water going to those sinks or only the cold water?

Thanks in advance! 

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Tue, 07/23/2024 - 07:27

The primary reason is that the landscape irrigation system is not currently installed and operational. LEED credits generally require verifiable data and performance metrics. Without an active system, you cannot provide the necessary data for submetering. The rationale behind this is to accurately measure the total water consumption associated with these fixtures. Both hot and cold water contribute to the overall water usage, and by metering both, you can get a comprehensive picture of water consumption.

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