The following is required to demonstrate compliance:
One credit
1
The specification of a water meter on the mains water supply to each building; this includes instances where water is supplied via a borehole or other private source.
2
Water-consuming plant or building areas, consuming 10% or more of the building's total water demand, are either fitted with easily accessible sub-meters or have water monitoring equipment integral to the plant or area (see Compliance notes).
3
Each meter (main and sub) has a pulsed or other open protocol communication output to enable connection to an appropriate utility monitoring and management system, e.g. a building management system (BMS), for the monitoring of water consumption (see
Relevant definitions
).
4
If the site on which the building is located has an existing BMS, managed by the same occupier or owner (as the new building), the pulsed or digital water meters for the new building must be connected to the existing BMS (see
Relevant definitions
)