Water Leak Detection - Water Meters BREEAM Credit WAT2

Water Leak Detection - Water Meters BREEAM Credit  WAT2Water Leak Detection - BREEAM WAT 2
To ensure water consumption can be monitored and managed and therefore encourage reductions in water consumption.

The following demonstrates compliance:
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. The water meter has a pulsed output to enable connection to a Building Management System (BMS) for the monitoring of water consumption.

Exemplary level criteria
The following outlines the exemplary level criteria to achieve an innovation credit for this BREEAM issue:

1. Where sub meters are fitted to allow the metering of individual water-consuming plant or building areas, where demand in such areas will be equal to or greater than of 10% of the total water demand of the building (see also compliance note).
2. Each sub meter has a pulsed output to enable connection to a Building Management System (BMS) for the monitoring of water consumption.
The requirement for a pulsed output has been included to encourage the use of meters capable of transmitting (by wire or wirelessly) a continuous or pulsed signal with water management information such as total water consumed or flow rate to a Building Management System. This allows demand patterns on water systems to be monitored and evaluated over time. A significant increase in demand may indicate the presence of a leak or inappropriate or unexpected water consumption.

The Solution
Thorne and Derrick have recently developed and are able to offer a new water leak detection system designed specifically to meet the above BREEAM WAT 2 criteria. The system will monitor the flow rates of water within a building or specific plant and can be used to raise an audible alarm if the flow rate deviates from pre-set parameters. The system can be linked to a BMS and can also be used to shut off the water supply if required.

The system can be supplied with a single or two zone two control unit which is linked to the turbine sensors used to monitor flow rates. The turbines provide a 'pulse' as water flows through them. Should the adjustable pre-set quantity of pulses/litres be exceeded, the control system will provide local audio-visual alarms, and the output relay/s can provide a signal to remote alarm or BMS. If required, the system can also shut off the water supply via the optional latching solenoid valve/s. The control unit can be programmed to suit varying occupancy levels/water usage throughout a 24hour/7day period.

Our system exceeds requirements of BREEAM WAT 2 criteria and will help enable the awarding of BREEAM credit point(s) for major water leak detection.

Systems are available to suit a variety of pipe sizes from 15mm - 200mm.

Please contact one of our estimators (who are fully conversant with Breeam WAT 2 criteria), for a quotation or further information and advice on which system you require. The Bre-Group strive for continual innovation and as a result, set criteria to achieve credit points may change. Please contact a member of Thorne and Derrick or visit www.breeam.org for the latest information.

What is BREEAM

BREEAM (BRE Environmental Assessment Method) is the leading and most widely used environmental assessment method for buildings. It sets the standard for best practice in sustainable design and has become the de facto measure used to describe a building's environmental performance. BREEAM provides clients, developers, designers and others with
• market recognition for low environmental impact buildings
• assurance that best environmental practice is incorporated into a building
• inspiration to find innovative solutions that minimise the environmental impact
• a benchmark that is higher than regulation
• a tool to help reduce running costs, improve working and living environments
• a standard that demonstrates progress towards corporate and organisational environmental objectives
BREEAM addresses wide-ranging environmental and sustainability issues and enables developers and designers to prove the environmental credentials of their buildings to planners and clients. It:
• uses a straightforward scoring system that is transparent, easy to understand and supported by evidence-based research
• has a positive influence on the design, construction and management of buildings
• sets and maintains a robust technical standard with rigorous quality assurance and certification
Please visit www.breeam.org or click here for more information.

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