SUSTAINABLE BUILDINGS

Asset Classes

Focus Area

Water

Topic

Water Assessment

Question #

W1.1 – Water Efficient Features

Question

Does the building incorporate any high-efficiency water fixtures?

Applicability

All asset classes
Owner/landlord occupied building
Tenant occupied building

Answer & Scoring

  • Yes = Points as indicated below

Select all that apply:

    • >50% of toilets are 4.8L/6L dual-flush or less = 4 points
    • >50% of urinals are 1.9L per flush or less = 3 points
    • >50% of lavatory faucets are 5.7L per min or less = 1 point
  • No = 0 points

Max of 8 points

Requirements

    1. For each fixture type, survey how many are installed in the building and calculate the percentage that meet the specified performance criteria
    2. Provide evidence such as fixture cut sheets, flow-test results or photos showing flow-rates

Note that this question is pertinent to the systems installed prior to and/or during tenancy and must be answered regardless of whether the systems are managed by the tenant.

Documentation

  • List of total fixture counts, and number that meet or exceed flowrate thresholds
  • Evidence that fixtures deliver specified flowrate

Suggested Lead

In-house

Value

  • Efficient water fixtures use less water while still performing the same function
  • Install water efficient fixtures to reduce water consumption, operational costs, and a building’s impact on natural water systems and local infrastructure

Description

A high-efficiency fixture uses less water while still performing its function.

References

Adapted BB 3.0 Question

02.04.03 – What percentage of water fixtures are efficient, based on inventory amount?