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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

Retrofit of a existing building into green building

How i can calculate the use of water in a college building?
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Profile picture for user pmelton
Paula Melton
Editorial Director
BuildingGreen, Inc.
LEEDuser Expert
159 thumbs up

Thu, 01/04/2018 - 19:20

Mohammed, do you have access to utility bills for the building? Those should have usage numbers.

Tue, 01/09/2018 - 07:40

Yes, i can manage to get it from the college authorities, but how i can calculate the usage from that?
Profile picture for user pmelton
Paula Melton
Editorial Director
BuildingGreen, Inc.
LEEDuser Expert
159 thumbs up

Tue, 01/09/2018 - 19:21

I think there should be usage numbers on the bills themselves—how many liters per month, for example.

Wed, 01/10/2018 - 13:39

Yes it will be there, but majority of the water is groundwater which is pumped out and store in tanks, so i think its not the exact usage of water in that particular building.
Profile picture for user pmelton
Paula Melton
Editorial Director
BuildingGreen, Inc.
LEEDuser Expert
159 thumbs up

Wed, 01/10/2018 - 15:21

Mohammed, this credit is an incentive to add a water meter to your building—so you'll need to do that in order to get this point.

Wed, 01/10/2018 - 17:45

Yeah, i will add a Piezometer, So that i will get the usage, From that i can analyse the pressure distribution in pipe and reduce it accordingly.

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