(2 credits available)
To encourage the use of alternative water supplies in order to reduce the demand for utility-supplied water.
What is the asset’s annual water consumption from alternative supplies?
|Credits||Answer||Enter volume in m3|
|*||A||Question not answered|
* See Methodology
|Criterion||Assessment criteria||Applicable answer|
|1||Answer option B has been answered in Wat 11 Water consumption and all relevant Assessment Criteria have been met.||All|
|2||The consumption data for the alternative supplies must be over the same reporting period and floor area as Wat 11 Water consumption.||All|
|3||Alternative water supplies include water that is both treated and untreated prior to reuse.||All|
|4||Rainwater, blackwater and greywater can be considered as alternative water supplies.||All|
|5||Other water sources can be used to meet the aim of the credit as long as the alternative water supply is used to reduce demand of utility-supplied water for unregulated water uses.||All|
Credits for this issue will be allocated based on the proportion of water consumption from alternative supplies compared with the total water consumed in the asset annually, provided in Wat 11 Water consumption. The percentage of the asset’s total water consumption that is provided from alternative supplies will be calculated and the number of credits awarded as follows:
Table 34: Allocation of credits
|Percentage of consumption from alternative supplies||Credits|
|≥ 5% to <15%||1|
|-||The evidence below is not exhaustive, please also refer to the ‘BREEAM evidential requirements’ section in the scope of the Guidance for appropriate evidence types which can be used to demonstrate compliance.|
|All||The evidence below is not exhaustive, please also refer to the ‘BREEAM evidential requirements’ section in the scope of the Guidance for appropriate evidence types which can be used to demonstrate compliance.|
|All||Provision of robust estimates for annual water consumption from alternative supplies, if metered data/meter readings cannot be provided.|
Wastewater that has been discharged from kitchen and utility sinks, urinals and toilets within the asset.
Water that has been discharged from all sources other than kitchen and sewage within the asset
Water that has been provided by an organisation that supplies a public service under regulation by the government (e.g. mains water)
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