Wat08 Leak prevention

Aim

To reduce the impact of water leaks in areas that are not occupied that may otherwise go undetected.

Are communal toilet or shower areas fitted with controls that isolate water supply when they are unoccupied?

Criterion	Assessment criteria	Applicable answer
1	Filtering Where there are no communal toilet or shower areas this question can be filtered out of the assessment.	All
2	The following could be considered as types of flow control devices: A time controller, i.e. an automatic time switch device to switch off the water supply after a predetermined interval A programmed time controller, i.e. an automatic time switch device to switch water on or off at predetermined times A volume controller, i.e. an automatic control device to turn off the water supply once the maximum preset volume is reached A presence detector and controller, i.e. an automatic device detecting occupancy or movement in an area to switch water on and turn it off when the presence is removed A central control unit, i.e. a dedicated computer-based control unit for an overall managed water control system, utilising some or all of the types of control elements listed above.	C
3	Proximity detection shut off is not required for each individual toilet or shower, but the requirement is for the cold-water supply to be isolated for each block of facilities.	C
4	Programmable timed controllers linked to the shut-off device are an acceptable means of compliance for facilities where constant use is to be expected during operating hours.	C

Criteria	Evidence requirement
-	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	Photographic evidence of water shut off controls.
All	Manufacturer specifications of shut off controls.
All	Systematic diagram showing the areas of isolation.