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Wat 01 - Water consumption

Information correct as of 21stAugust 2026. Please see kb.breeam.com for the latest compliance information.

Erratum – Wat 01 – Data requirements for Urinals - KBCN1878

Table 8.2 / Table 62: Data requirements for water-consuming components incorrectly states that the data should be entered as “Flush volume in litres/bowl/hour” for all types of urinals
Water-consuming component Data requirements
Urinals Flush volume in litres/bowl/hour
These units should only apply to urinals with a timed flush. Data for urinals with automatic flush should be entered in Flush volume in litres/flush (see below)
Water-consuming component Data requirements
Urinals with timed flush Flush volume in litres/bowl/hour
Urinals with automatic flush Flush volume in litres/flush
The data entry options and units are correct in the BREEAM Platform, and the technical manuals will be updated in the next reissue.
Information correct as of 21stAugust 2026. Please see kb.breeam.com for the latest compliance information.