Water Services Licensing (Plumbers Licensing and Plumbing Standards) Amendment Regulations (No. 3) 2007 (WA)

3062 GOVERNMENT GAZETTE, WA 26 June 2007

WATER/SEWERAGE

WA301*

Water Services Licensing Act 1995

Water Services Licensing (Plumbers Licensing

and Plumbing Standards) Amendment

Regulations (No. 3) 2007

Made by the Lieutenant-Governor and deputy of the Governor in
Executive Council.

1.             Citation

These regulations are the Water Services Licensing (Plumbers Licensing and Plumbing Standards) Amendment Regulations (No. 3) 2007.

2.             Commencement

These regulations come into operation as follows:

(a)	regulations 1 and 2 — on the day on which these regulations are published in the Gazette;
(b)	the rest of the regulations — on 1 July 2007.

3.             The regulations amended

The amendments in these regulations are to the Water Services
Licensing (Plumbers Licensing and Plumbing Standards)
Regulations 2000*.

[* Reprint 1 as at 1 October 2004.

For amendments to 8 June 2007 see Western Australian
Legislation Information Tables for 2006, Table 4, and
Gazette 1 and 29 May 2007.]

4.             Regulation 3 amended

Regulation 3(1) is amended in the definition of “water services
provider” by inserting after “3” —

“ of the Act ”.

26 June 2007 GOVERNMENT GAZETTE, WA 3063

5.             Regulation 12 amended

Regulation 12(1) is amended as follows:

(a) before paragraph (a)(ii) by inserting —

“

(ia) water supply plumbing work and
sanitary plumbing work; or

”;

(b) after each of paragraph (a)(i), (ii) and (iii) by inserting —

“ or ”;

(c) after paragraph (a) by inserting —

“ and ”.

6.             Regulation 47 amended

Regulation 47(2)(a) is amended by deleting “AS/NZS
3500.1.2:1998, AS/NZS 3500.2.2:1996 and AS/NZ
3500.4.2:1997” and inserting instead —

“

AS/NZS 3500.1:2003, AS/NZS 3500.2:2003

and AS/NZS 3500.4:2003

”.

7.             Regulations 49 and 50 replaced

Regulations 49 and 50 are repealed and the following
regulations are inserted instead —

“

49.           Modifications of Australian/New Zealand Standard

(1) For the purposes of regulation 47, AS/NZS
3500.1:2003 (Water services) is modified as set out in
the Table to this subregulation.

Table

Provision	Modification
Clause 3.2.1	“The maximum flow rate from a shower,

basin, and kitchen sink or laundry
trough outlet shall not exceed 9 L/min.”

is deleted

Clause 3.5.2 is deleted

(2) For the purposes of regulation 47, AS/NZS
3500.2:2003 (Sanitary plumbing and drainage) is
modified as set out in the Table to this subregulation.

Table

Provision	Modification
Clause 3.2	“that building” is deleted and “buildings

on that property” is inserted instead

3064 GOVERNMENT GAZETTE, WA 26 June 2007

Provision Modification

Clause 3.9.2.2

is replaced by —

“

3.9.2.2 Downstream (boundary
trap) vent

Where, on any drain, a boundary trap vent is required by Clause 3.9.1(a), it shall be installed so that —

(a)	the vent is connected not more than 10 m from the boundary trap riser and no other fixture is connected between the vent and the boundary trap riser;
(b)	terminates between a minimum of 150 mm and a maximum of

if the vent is unsupported, it flood level using one of the following methods:

(i)     one 88° bend and a flat grate with invert level not less than 150 mm above ground or

adopted flood level;

(ii)    two 88° bends and a flat grate or vent cowl so that there is not less than 150 mm between the flat grate or vent cowl and the ground or adopted flood level;

(iii) less than 150 mm above
ground or adopted flood level

an air admittance valve not Clause 6.9;

and
(c)	the vent is sized in accordance with Clause 3.9.3.1 so that the fixture unit loading on the main drain determines the size of the vent with the minimum size being not less than DN 50.

”

Clause 3.9.2.4	“
3.9.2.4 High level vent
Where a boundary trap vent is not installed as a low level vent it shall terminate in accordance with Clause 6.8.4,
and where an air admittance valve is used it shall be installed in accordance with Clause 6.9.

”

is inserted after Clause 3.9.2.3

26 June 2007 GOVERNMENT GAZETTE, WA 3065

Provision	Modification
Clause 3.18	paragraphs (c) to (e) are replaced by —
“
(c) sweep or 45° junction installed in the graded drain with the branch of

The inspection shaft shall be a upwards to surface level.

(d)	The junction to the inspection shaft shall be against the grade of the drain so that any rodding of the line is in the direction away from the chamber.
(e)	connected to a vacuum chamber, the spill level of both overflow gullies of the drains shall be

Where more than one drain is wherever possible.

(f)	A DN 100 vent pipe shall be provided on each drain connected to a vacuum chamber.
(g)	be located on the main drain as close as possible to the inspection shaft riser but can also be connected further upstream as long as no other fixture is connected

A vacuum sewer system vent can and the vent connection.

(h)	A vacuum sewer system vent can terminate between a minimum of 150 mm and a maximum of
250 mm above ground or adopted flood level using one of the following methods:
(i) one 88° bend and a flat grate with invert level not less than 150 mm above ground or

adopted flood level;

3066 GOVERNMENT GAZETTE, WA 26 June 2007

Provision Modification

(ii)    two 88° bends and a flat grate or vent cowl so that there is not less than 150 mm between the flat grate or vent cowl and the ground or adopted flood level;

(iii) less than 150 mm above
ground or adopted flood level

an air admittance valve not Clause 6.9;

and

(i)       Where a vacuum sewer system vent is installed as a low level vent it shall terminate in accordance with Clause 3.9.2.3.

(j)

Where a vacuum sewer system vent it shall terminate in accordance with Clause 6.8.4, and where an air admittance valve is used it shall be installed in accordance with Clause 6.9.

”

Clause 4.4.1 “In this clause a “boundary trap area” is

an area in which boundary traps are
required by the water services provider.”

is inserted at the end of the clause

Clause 4.6.1	“
All fixtures and appliances connected to overflow relief gullies or disconnector gullies shall be fitted with a trap or self-sealing device installed in accordance with Clause 6.4.

”

is inserted after paragraph (b)

Clause 4.6.2(d)	“surcharge.” is deleted and “surcharge
being a grating that is of a loose, lightweight, domed pop-out type; and” is inserted instead
Clause 4.6.2	“
(e) have the height of the gully riser not more than 600 mm measured from the top of the water seal to the

grate of the gully.

”

is inserted at the end

26 June 2007 GOVERNMENT GAZETTE, WA 3067

Provision

Modification

Table 4.3

the first item is deleted
in the second item “or shower” is deleted
the third item is deleted
in the last item “Top surface level of the
fixture outlet” is deleted and “Overflow
level of the fixture” is inserted instead

Table 4.4

in the item “Bidet” “1.2” and “2.5” are deleted in the second and third columns and “Not permitted” is inserted instead

Clause 4.7.1

paragraphs (a) to (h) are replaced by —

“

(a)	at the downstream end of any branch drain that exits a building, adjacent to the junction into the main drain;
(b)	at the upstream and downstream ends of all branch drains and main drains that are external to a building;
(c)	at every change of horizontal direction greater than 45°;
(d)	at intervals of not more than 30 m;
(e)	services provider’s sewer if not

at the connection to the water provider;

(f)	at the downstream end of any drain that passes under a building, except where waste fixtures only are concerned;
(g)	where any new section of drain is connected to an existing drain; and
(h)	at the upper bend of a jump-up or rising shaft.

”

Clause 6.4.3 “Traps and self-sealing devices shall be
connected as close as possible to the
outlet of the fixture or appliance being
served.” is deleted and “Fixture traps and
self-sealing devices shall be connected as
close as possible to the fixture outlet.” is
inserted instead.
“300 mm for urinals and” is inserted
before “600 mm”

(3) For the purposes of regulation 47, AS/NZS
3500.4:2003 (Heated water services) is modified as set
out in the Table to this subregulation.

3068 GOVERNMENT GAZETTE, WA 26 June 2007

Table

Provision Modification

Table 5.1 in the item “Expansion control valve
(Australia)” “ * ” is deleted in the second,
third and fourth columns and “Yes” is
inserted instead

50.           Definitions in AS/NZS 3500.0:2003 apply

Subject to regulation 51, a word or expression that —

(a) is used in a provision of AS/NZS 3500.1:2003, AS/NZS 3500.2:2003 or AS/NZS 3500.4:2003 as applied for the purposes of regulation 47;

and

(b) is given a meaning in AS/NZS 3500.0:2003,

has that meaning when so used.

”.

8.             Regulation 51 amended

Regulation 51 is amended as follows:

(a) by deleting “AS/NZS 3500.1.2:1998, AS/NZS 3500.2.2:1996 or AS/NZS 3500.4.2:1997 — ” and inserting instead —

“

AS/NZS 3500.1:2003, AS/NZS 3500.2:2003 or

AS/NZS 3500.4:2003 —

”;

(b) after paragraph (a) by inserting —

“

(aa) “boundary trap vent” means the vent at the
downstream end of a drain that incorporates a
boundary trap;

”;

(c) after paragraph (f) by inserting —

“

(fa) “network utility operator” means the relevant
water services provider;

”;

(d) after paragraph (i) by inserting —

“

(ia) “vacuum sewer system vent” means a pipe
provided on a sanitary drain to limit pressure
variations within the sanitary drainage system
caused by the operation of a vacuum pump;

”.

26 June 2007 GOVERNMENT GAZETTE, WA 3069

9.             Regulation 52 amended

Regulation 52(1) and (2) are amended by deleting “AS/NZS
3500.1.2:1998, AS/NZS 3500.2.2:1996 or AS/NZS
3500.4.2:1997” and inserting instead —
“

AS/NZS 3500.1:2003, AS/NZS 3500.2:2003 or

AS/NZS 3500.4:2003

”.

10.           Regulation 62 amended

Regulation 62(1) is amended by deleting “AS/NZS
3500.2.2:1996” and inserting instead —

“ AS/NZS 3500.2:2003 ”.

11.           Regulation 102 amended

After regulation 102(4) the following subregulation is
inserted —

“

(5) The Board may remove private address and telephone
details from —

(a)	the copy of the register that is available for inspection under subregulation (2); or
(b)	a copy of the register that is provided under subregulation (3); or
(c)	an extract from the register that is provided under subregulation (4).

”.

12.           Regulation 103 amended

Regulation 103(b) is amended by deleting “address;” and
inserting instead —

“

address and his or her telephone number at that

address or a mobile telephone number;

”.

13.           Regulation 105 amended

Regulation 105 is amended as follows:

(a) by inserting after “Board” —

“ in writing ”;

(b) by deleting “residential or business address” and inserting instead —

“

address or telephone number as registered under

regulation 103(b)

”.

3070 GOVERNMENT GAZETTE, WA 26 June 2007

14.           Regulation 109 inserted

After regulation 108 the following regulation is inserted in
Part 8 —

“

109.         Transmission of information

For the purposes of section 60B(2)(b) of the Act —

(a)	information may be disclosed to a person or body who or which has functions relating to the regulation of plumbing work under the law of this or another State, a Territory or the Commonwealth; and
(b)	details of property on which plumbing work has been carried out may be disclosed to a water services provider if the disclosure is in accordance with an arrangement between the Board and the water services provider.

”.

By Command of the Lieutenant-Governor and deputy of the Governor,

G. M. PIKE, Clerk of the Executive Council.

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