Greater Western Water's metering and servicing guidelines set our water metering conditions for new developments, alterations to existing developments and existing water metering arrangements.
The guidelines and diagrams below apply to potable (drinking) and recycled water within Greater Western Water's service region for properties in the area previously serviced by Western Water.
They are typically used by:
- plumbers
- builders
- property developers
- property owners
- plumbing specialists
- Western Water contractors.
Diagrams of typical meter arrangements
Diagram 1: 20mm - 25mm general water service (wet tapping), low hazard 732 KB
Diagram 2: 20mm - 25mm general water service, medium hazard 780 KB
Diagram 3: 20mm - 25mm general water service, high hazard 779 KB
Diagram 4: 32mm - 50mm general water service, low hazard 727 KB
Diagram 5: 32mm - 50mm+ general water service, medium - high hazard 824 KB
Diagram 6: 80mm+ general water service, low hazard 800 KB
Diagram 7: 80mm+ general water service, medium - high hazard 892 KB
Diagram 8: 25mm - 50mm fire hose reel / sprinkler and general service 777 KB
Diagram 9: 80mm+ fire hydrant / hose reels with detector check valve 843 KB
Diagram 10: 80mm+ fire and general service combined 824 KB
Diagram 11: 80mm+ fire and general service, separated fire and general service after meter 924 KB
Diagram 12: Fire sprinkler and hydrant service with 80mm+ meter configuration 1 MB
Diagram 13: Booster connection around meter, fire sprinkler supply 874 KB
Diagram 14: Booster connection around meter, fire hydrant supply 852 KB
Diagram 15: Interconnected fire and general services single water mains supply from both directions 1 MB