Wat08 Leak prevention – Above Green

(2 credits available)

Aim

To minimise undetected wastage and leaks from sanitary fittings and supply pipework.

Question

Are flow control devices that regulate the water supply according to demand fitted to each WC area or sanitary facility?

Credits	Answer	Select a single answer
0	A	Question not answered
0	B	No
2	C	Yes

Assessment criteria

Criterion	Assessment criteria	Applicable answer
1	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 pre-set 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
2	Flow control systems may control combined WC areas, such as toilets assigned to specific gender within a core; they are not required for each individual sanitary appliance. The criteria are set to encourage the isolation of the water supply to each WC block when it is not being used.	C
3	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

Specific notes

Asset type specific

No facilities

Where the asset under assessment contains no water using equipment and therefore there is no water supply to the building, identify and assess the water supply to the facilities most likely to be used by the occupants and visitors to the asset under assessment.

This rule also applies where the assessment consists solely of an extension to an existing building, i.e. where the extended building contains no new water using equipment because there are facilities present within the existing building.

Evidence

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.