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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

Water meter broke down during performance period

Shakir Ismail

Associate Director - Sustainability Accreditation

Red Sea Global

LEEDuser Premium Member

8 thumbs up

August 27, 2015

We are working on a project where the building meter is owned by the utility authority. in the second week of performance period, the meter stopped functioning and the client contacted the utility company to fix it or change it but it took around 4 weeks to get it fixed. Would it be acceptable to submit with this gap in weekly readings? would it be considered as special circumstance?

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Michael Smithing

Director - Green Building Advisory

Colliers International Ltd.

LEEDuser Basic Member

201 thumbs up

Thu, 08/27/2015 - 02:58

As long as you read the meter (unchanged) weekly and explain the situation it should be ok. If possible, you may want to provide water use data for a longer period of time. Discovering that the water meter stopped functioning within a week rather than within a month is one of the primary goals - it does not seem right to punish the project for a gap in metering which is beyond your control.

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