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SUSTAINABLE BUILDINGS

Asset Classes

Focus Area

Water

Topic

Benchmarking

Question #

W2.1b — Sub-Metered Data

Question

Is any sub-metered water use available for the most recent 12 months?

Applicability

Applicable to Enclosed Shopping Centre, Universal, Light Industrial, Open-Air Retail and Multi-Unit Residential buildings

Answer

Select one of the following:

    • Yes – Complete BOMA BEST Form W1.0b
    • No

Description

Sub-meters measure the water consumption of specific areas or equipment, providing property owners and managers with the ability to understand where and how the building water is used.

Requirements

For any sub-metered water data available:

    1. Provide monthly sub-metered water data in table format – see Form W1.0b
    2. Provide water sub-meter details, such as make, model, location, photo and year of installation
    3. Indicate whether any water is collected and used on-site and whether that use has been sub-metered
    4. If data is not logged automatically, manual readings need to be taken at least monthly

Documentation

    • Most recent 12 months of sub-metered water use (total m3)
    • Narrative of data collection methodology and sub-meter data, if available

Adapted BB3 Question

Question 02.04.02 — What percentage of the building’s water consumption is sub-metered?

Suggested Lead

In-house

References

None

Crosswalk

None

Other Notes

See Question W1.0 for details of water end-use types

Scoring

3 Points

Verification