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FAQs about WEc1 :

We can't get weekly readings from the main building water meter. However we can take daily readings from a water subsystem (e.g. irrigation or cooling tower makeup). Can we pursue Option 2 (water subsystem metering) without pursing Option 1 (whole buildin

What kind of meter reading documentation is required to meet the items requested on the credit form? The LEED Online credit form requests both weekly readings, and then also monthly and annual summaries.

What is the best way to track the monthly and annual water consumption summaries for the whole-building and subsystem water meters?

If a building’s meter or submeter was installed less than a year ago, how can we provide monthly and annual summaries?

The water utility for the project building supplies electronic readings of whole building water consumption at least weekly that the project team can access. Will the electronic readings suffice for the required documentation for WEc1?

We own our water meters and the manufacturer of the submeter does not provide documentation recommending a calibration interval. How can we document that we’ve met the calibration requirements?

For meters not owned by a third-party, when should the meter calibration take place in order to comply with WEc1?

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Forum discussion

EBOM-2009 WEc1:Water Performance Measurement

Greenhouse submeter part of landscape irrigation?

Jessica Hawley

Sustainability Consultant

LEEDuser Basic Member

43 thumbs up

May 10, 2012

Our project has an irrigation submeter that covers approximately 75-80% of the irrigated landscape. It also has a submeter (separate from the main irrigation submeter) on a greenhouse that is part of the site. Could this greenhouse submetered area be counted as part of the metered irrigated landscape for the calculations on this credit?

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Jason Franken

Sustainability Professional

LEEDuser Expert

430 thumbs up

Tue, 06/19/2012 - 13:50

If the water in the greenhouse is used exclusively for irrigation purposes, then yes, I believe you could make a case to include them in the metered totals for irrigation.

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