G13
Minimum trap and discharge pipe diameter (mm)
for a shower
40 mm
Air gaps and vacuum breakers shall not be used in a
toxic environment
A minimum height of ___ mm shall be maintained between the top of the overflow gully riser and the lowest fixture connected to the drain
150
The maximum static pressure at any outlet, other than a fire service outlet, within a building shall not exceed ____ kPa
500
Location of connection point for hose assembly A connection point for a hose assembly shall be located at least___ m away from a doorway in a building.
1
what is the minimum gradient for a 65 mm pipe?
1:40
To ensure the health and safety of people in the event of the water main supply being interrupted, buildings having the classification of Community Care (e.g. hospitals, old people’s homes, prisons) shall be provided with cold water storage of no less than________ per person.
50 liters
Discharge to floor waste gullies what is the maximum length of a untrapped fixture waste pipe from a bath or shower.
1.2 meters
Cross-connections are rated using three degrees of hazard which one is this
Any condition, device or practice that, in connection with the water supply system, has the potential to cause death is a
high hazard
Temperature limitation on nearby combustible surface An appliance shall be installed such that the surface temperature of any nearby combustible surface will not exceed ____ above ambient.
65°C
The change of direction at the base of any vertical section in a discharge stack shall incorporate
Two nominal 45° bends
The delivered hot water temperature at the outlet of any sanitary fixture used for personal hygiene shall not exceed_____ for early childhood education and care centers, schools, old people’s homes, institutions for people with psychiatric or physical disabilities, hospitals.
45°C
Vents shall terminate as shown in Figure 6.9.4 in the open air outside the building and in a location not less than ____ mm above its point of penetration through any roof covering
150
The separation between any underground water service pipe and an electrical supply cable, shall be at least____ mm where the electrical supply cable is neither indicated nor protected.
600
Over-pressure protection shall be provided where the operating pressure at the inlet to a gas pressure regulator exceeds __ kPa for NG and SNG
7
The fixture vent pipe, when required by Table 5 for fixtures discharging to a stack or directly to the drainage system, shall connect If serving a basin or bidet at a point between
75 mm and 600mm from the crown of the water trap
The water supply system shall be tested to ensure watertightness. An acceptable testing method is to Subject the hot and cold system to a pressure of 1500 kPa for a period of not less than
15 min
Discharge pipes shall connect to a drain or a graded pipe in accordance with Figure 6.8.1 For stacks of three floor levels or more no connection shall be made closer than ____ m downstream or 1 m upstream of the base of the stack
2.5
The minimum working pressure at the furthermost or most disadvantaged fixture or outlet shall be not less than ___ kPa
50
Appliance in a room or enclosure, other than a plant room Source of ventilation Directly from outside what is the factor.
300
The plumbing system shall accommodate without failure the expected longitudinal movement in pipes resulting from temperature changes. All ______ and _____ pipes shall incorporate expansion joints
copper and PVC-U
Solar water heaters must have a minimum of __ liters of hot water storage per square meter of collector area.
50
Where more than one jump-up is installed in any circular inspection chamber, the chamber shall be at least ____m in diameter
1.2
Isolating valves shall be installed at each storage tank outlet (where capacity exceeds ____).
50 ltrs
E.4 Pipework test procedure Pressurize the consumer piping to _________ the operating pressure, whichever is the greater
7 kPa or 1.5 times