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12

PLUMBING CONNECTION

SUMMER 2015

INDUSTRY NEWS

CROSS CONNECTION’S KEEP HAPPENING

The photo above is taken from a residential home in a

large estate supplied with both drinking and non-drinking

water. The situation thankfully was prior to the home

being occupied. If it had been occupied all the drinking

water outlets in the home would have been supplied with

non-drinking water and the toilets and irrigation on the

property served with drinking water.

The plumber should have conducted a cross connection

separation test as is required in AS/NZS 3500.1 Clause

9.4 and AS/NZS 3500.5 Section 2 Clause 2.24.

The Plumbing Connection can report these incidences

are not isolated and as such plumbers need to be aware of

their responsibilities when installing non-drinking water

services. A number of plumbers have been fined when a

cross connection has been installed.

The National Construction Code Volume 3 (Plumbing

Code of Australia) sets out the performance requirements

in Part B3 to ensure that there are no cross connections

with a drinking water supply and as such is not

contaminated. The performance requirements also

include the limitation to the specific use of the non-

drinking water, the connection and identification of pipe

outlets, fittings and storage tanks.

The installation requirements to meet the performance

requirements in accordance with the PCA are the deemed

to satisfy provisions and are set out in Part B3.2 of the

PCA and include the design, construction, installation,

replacement, repair, alteration and maintenance of a non-

drinking water service must be in accordance with –

AS/NZS 3500.1 or for Class 1a or Class 10 buildings only

Section 2 of AS/NZS 3500.5.

IMAGE 1:

Before: cross connection.

IMAGE 2:

After: no

cross-connection.

1

2

DESIGN A DUNNY COMPETITION

The Kenilworth Designer Dunny

Competition organised by the

Kenilworth community in partnership

with Sunshine Coast Council is

expected to attract submissions from

artists, architects, designers and

students from around the country.

Launched at Isaac Moore Park

on October 31, the competition

invites creative minds from across

Australia to design a public toilet

structure that celebrates the

Kenilworth community and

delivers an iconic and innovative

public artwork, with $10,000 going to the

winning design.

Division 10 Councillor Greg Rogerson, who has

championed the project from its inception, said that the

Sunshine Coast has a wealth of talented businesses and

individuals working in the creative sector. The Council is

committed to supporting and growing this sector even

further through national art competitions such as the

Kenilworth Designer Dunny Competition.

Cr Rogerson explains that participants in the

competition will have to resolve unique design challenges

including planning a structure that sits at least four

metres above the existing ground level to avoid problems

from seasonal flooding.

The ‘designer dunny’, according to Cr Rogerson, will not

only serve its functional purpose of providing amenities

in a much used and loved park, but will also be a major

talking point and drawcard for the Kenilworth area.

Those interested in participating in the Kenilworth

Designer Dunny Competition can access the Sunshine

Coast Council’s website (www.sunshinecoast.qld.gov.

au) for a complete design brief, a full list of technical

challenges involved in the project, and the submission

process.

The Kenilworth Designer Dunny Competition is open

to everyone from qualified architects, right through to

students, individuals and teams.

All entries will be evaluated by a judging panel

featuring well-respected Sunshine Coast architect John

Mainwaring; Cr Rogerson; Queensland Art Gallery Curator

Lynne Seears; world renowned sculptor Greg Johns;

and former Kenilworth Arts Council President Shirley

Moreland.

The competition closes on January 29, 2016, with the

winner announced in March 2016.