Metropolitan Water Supply, Sewerage and Drainage Amendment By-laws 1998 (WA)

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1721 GOVERNMENT GAZETTE, WA 125 August 1998
WATER
WA301*

Water Agencies (Powers) Act 1984

Metropolitan Water Supply, Sewerage and

Drainage Amendment By-laws 1998

Made by the Minister under section 34(1) of the Act.

1.           Citation

These by-laws may be cited as the Metropolitan Water Supply,
Sewerage and Drainage Amendment By-laws 1998

2.            The by-laws amended

In these by-laws the by-laws amended are the Metropolitan
Water Supply, Sewerage and Drainage By-laws 1981*.
[* Reprinted as at 19 May 1997.

For amendments to 20 July 1998 see 1997 Index to
Legislation of Western Australia, Table 4, p. 188 and Gazette
26 June 1998.]

3.           By-law 1.1 amended

By-law 1.1 is amended as follows:

(a)

by deleting the definitions of the expressions specified in the Table to this paragraph;

Table

"Air Gap" "Displacement Water
"Anti-Syphonage vent" Heater"
(or "back vent") "Expansion Joint"
"Boundary Trap" (or "Falling Level Water
"Interceptor Trap") Heater"
"Branch Pipe" "Fixture Discharge Pipe"
"Branch Vent" "Fixture Unit"
25 August 19981 GOVERNMENT GAZETTE, WA 4725
"Capacity" "Fixture Unit Rating"
"Check Valve" "Flash"
"Cistern-Fed Water "Float Valve"
Heater" "Flood Level Rim"
"Combined Waste Pipe" "Floor Waste"
"Combination Relief "Free-Outlet Water
Valve" Heater"
"Cross-Vent" "Fully Vented System"
"Fully Vented System - "Primary Circuit Flow
Modified" and Return Pipes"
"Gate Valve" "Reflux Valve"
"Grade" "Relief-Vent"
"Graded Pipe" "Sanitary Plumbing
"Group-Vent" Installation"
"Heat Exchange Water "Secondary Circuit Flow
Heater" and Return Pipes"
"Horizontal Branch" "Side-Fed Water Heater"
"Hot Discharge" "Single-Stack System"
"Hot Water Service" "Single-Stack System -
"Inspection Opening" Modified"
"Instantaneous Water "Soffit"
Heater" "Soil Fixture"
"Invert" "Soil Pipe"
"Isolating Valve" "Stack"
"Long Bend" "Stack Vent"
"Main Vent" "Stop Tap"
"Mains Pressure Water "Storage Water Heater"
Heater" "Temperature-Relief Valve"
"Maximum Head" "Testing Opening"
"Nominal Size" "Trap"
"Non-Return Valve" "Trap Vent"
"Offset" "Unvented"
"Overflow Level" "Unvented Water Heater"

"Plug Tap" "Vacuum-Relief Valve"

"Pressure-Limiting Valve" "Vent or Exhaust Pipe"
"Pressure-Ratio Valve" "Vent"
"Pressure-Reducing Valve" "Vertical"
"Pressure-Relief Valve" "Waste Fixture"
"Pressure Water Heater"

(b)

by inserting in the appropriate alphabetical position the following definition -

66

"ASINZS", followed by a designation consisting of a number

and a year, means the Australian/New Zealand Standard includes any amendment to that standard made before the
having that designation that is published jointly by

commencement of the Metropolitan Water Supply,

Sewerage and Drainage Amendment By-laws 1998;

4726 GOVERNMENT GAZETTE, WA 125 August 1998
4. By-law 1.2 inserted
After by-law 1.1 the following by-law is inserted -
1.2 Subject to by-law 1.3, a word or expression that -

(a)

is used in a provision of AS/NZS 3500.2.2:1996, AS/NZS 3500.4.2:1997 or AS/NZS 3500.1.2:1998 specified in by-law 7.1 or 16.1 or in any such provision as modified by either of those by-laws; and

(b) is given a meaning inASINZS 3500.0:1995,

has that meaning when so used.

5.            By-law 1.3 replaced by by-laws 1.3 and 1.4

By-law 1.3 is repealed and the following by-laws are inserted instead -

"

1.3 For the purposes of by-laws 7.1 and 16.1, a reference in
a provision of AS/NZS 3500.2.2:1996, AS/NZS
3500.4.2:1997 or AS/NZS 3500.1.2:1998 specified in
those by-laws to -
(a)

"authority", "local regulatory authority", "local "responsible regulatory authority" is to be taken, unless the context otherwise requires, to be a reference to the Corporation;

(b)

"backflow" is to be taken to be a reference to backflow as defined in by-law 1.1;

(c)

"branch drain" is to be taken to be a reference to a branch property sewer as defined in by-law 1.1;

(d) "conduit" is to be taken to be a reference to a conduit within the meaning of the Water Agencies (Powers) Act 1984;
(e) "fitting" is to be taken to be a reference to a fitting within the meaning of the Water Agencies (Powers) Act 1984;
(f) "fixture" is to be taken to be a reference to a fixture within the meaning of the Water Agencies (Powers) Act 1984;
(g) "ground" is to be taken to be a reference to ground as defined in by-law 1.1;
(h) "main drain" is to be taken to be a reference to a property sewer within the meaning of the Water Agencies (Powers) Act 1984;

(i)     "pipe" is to be taken to be a reference to a pipe within the meaning of the Water Agencies (Powers) Act 1984;

25 August 19981 GOVERNMENT GAZETTE, WA 4727
(j) "sewer" is to be taken to be a reference to a
sewer within the meaning of the Water Agencies
(Powers) Act 1984;
"spill level" is to be taken to be a reference to
spill level as defined in by-law 1.1;
"trade waste" is to be taken to be a reference to
industrial waste as defined in by-law 1.1;
"water heater" is to be taken to be a reference to
a water heater as defined in by-law 1.1; and
"water service" or "water supply system" is to
be taken to be a reference to a water supply
system as defined in by-law 1.1.
1.4 If there is any conflict or inconsistency between a
provision of AS/NZS 3500.2.2:1996,
AS/NZS 3500.4.2:1997 or AS/NZS 3500.1.2:1998
specified in by-law 7.1 or 16.1 and a provision of these
by-laws, the latter provision prevails.

6.            Figure 1.3 deleted

Figure 1.3 which appears before by-law 2.0 is deleted.

7.           By-law 7.0 replaced

By-law 7.0 (comprising by-laws 7.1 and 7.2) is repealed and the following by-law is inserted instead -

"

7.0 WATER SUPPLY PLUMBING
7. 1 A person who carries out water supply plumbing shall
ensure that the plumbing is carried out in accordance
with the requirements of—

(a)

the provisions of AS/NZS 3500.4.2:1997 and AS/NZS 3500.1.2:1998 specified in the first column of the Table to this by-law, subject to any modification of those provisions specified

in the second column of that Table; and

(b)

by-laws 8.1.4.4, 11.2, 12.0, 13.1.4(c), 14.2.1, 14.2.2, 14.2.3, 14.4.2.3 and 15.1(a) and (f).

Penalty: $2 000.

Table

Provision Modification

AS/NZS 3500.4.2:1997

Section 1

Section 2 (clauses 2.3, 2.6, 2.8.2 and 2.8.3)

Section 3 (clauses 3.3, 3.4.1, Clause 3.5.2 to be read as if
3.4.5, 3.5.2, 3.5.3, 3.6, 3.7, 3.8, paragraph (b) were omitted.
3.9, 3.10, 3.11, 3.12, 3.13.1(a)
and (b), 3.13.2.1(d), (e) and (f), Clause 3.5.3 to be read as if
3.13.2.4(c), 3.14.3 and 3.16) paragraph (a) were omitted.
4728 GOVERNMENT GAZETTE, WA [25 August 1998

Clause 3.5.3(b) to be read as if
after "Pipes shall" the

following were inserted -

be in a conduit or shall ".

Section 4 (clauses 4.2.3, 4.3.2, Clause 4.9 to be read as if the
4.7, 4.8, 4.9, 4.10.1, 4.10.3, 4.12 asterisks which appear
and 4.13) opposite "Expansion control
valve" in Table 4.1 were
replaced in each case with -
66 Yes ".

Clause 4.13.1 to be read as if paragraph (c) were omitted.

Section 5 (clauses 5.2.2, 5.2.3, Clause 5.2.3 to be read as if
5.3.8, 5.3.10, 5.7.2.1, 5.8 and 5.9) "4.3" were replaced with -
" 4.3.2
Clause 5.3.10(d) to be read as
if "6.3" were replaced with -
66 6.3.1 ".
Clause 5.8.2 to be read as if—
(a) "5.3 and 5.4" were
replaced with -
" 5.3.8 and 5.3. 10 ";and
(b) "Section 3." were replaced
with—
66

the provisions of Section 3
specified in the Table to
by-law 7.1 of the
Metropolitan Water
Supply, Sewerage and

Drainage By-laws 1981 as

modified in that Table. ".

Clause 5.8.3.1 to be read as if
"5.3 and 5.4" were replaced
with—

" 5.3.8 and 5.3. 10 ".
Clause 5.8.4 to be read as if
the passage beginning "In such
cases," and ending "permanent
preheater." were omitted.
Clause 5.9.1 to be read as if
after "Clause 4.10" the
following were inserted -
66

specified in the Table to
by-law 7.1 of the
Metropolitan Water
Supply, Sewerage and
Drainage By-laws 1981 ".

25 August 19981 GOVERNMENT GAZETTE, WA 4729

Section 6 (clause 6.3. 1)

ASINZS 3500.1.2:1998

Section 1 (clause 1.5)

Section 2 (clauses 2.1 to 2.7 and Clause 2.4 to be read as if
2.8.2) clause 2.4.7 were omitted.
Section 4 Clause 4.2.3 to be read as if
"authorized by the regulatory
authority" were omitted.
Clause 4.5 to be read as if
"and be subject to the approval
of the regulatory authority"
were omitted.
Section 5 (clauses 5.4, 5.5.1, Clause 5.5.1 to be read as if
5.5.2.2, 5.5.2.3, 5.6, 5.7.1, 5.9, paragraph (a) were omitted.
5.10, 5.11, 5.14, 5.16, 5.17.2,
5.18 and 5.19) Clause 5.5.2.2 to be read as if
paragraph (b) were omitted.

Clause 5.5.2.3 to be read as if paragraph (a) were omitted.

Clause 5.5.2.3(b) to be read as
if after "pipework" the
following were inserted -

or shall be in a

conduit

Section 6 (clauses 6.3, 6.4 and Clause 6.4 to be read as if
6.8.2) "Section 5." were replaced
with-
66

the provisions of Section 5

specified in the Table to

by-law 7.1 of the
Metropolitan Water
Supply, Sewerage and
Drainage By-laws 1981 as
modified in that Table. ".

Section 7

Clause 7.2(b) to be read as if after "finished ground level" the following were inserted -

subject to, or likely to be

subject to, flooding or
ponding

Clause 7.2(c) to be read as if after "finished ground level" the following were inserted -

"

subject to, or likely to be

subject to, flooding or
ponding

4730 GOVERNMENT GAZETTE, WA 125 August 1998

Section 8 (clauses 8.2.2, 8.3.2,

8.5.5, 8.7.2 and 8.9)

Section 9 (clauses 9.2, 9.3, 9.4.1, Clause 9.6.1 to be read as if
9.4.2, 9.4.4, 9.6, 9.7, 9.8 and 9.9) "Section 8" were replaced
with-
66

the provisions of Section 8
specified in the Table to
by-law 7.1 of the
Metropolitan Water
Supply, Sewerage and
Drainage By-laws 1981 ".

Clause 9.9 to be read as if clause 9.9.5 were omitted.

Section 11 (clause 11.3)

Section 12

7.2 A person who carries out water supply plumbing shall
ensure that the maximum working pressure of pipes
and other fittings, as specified by the manufacturer, is
not exceeded.
Penalty: $1000.
7.3 A person who carries out water supply plumbing that
involves the installation of pipes in a concealed
location shall ensure that the pipes -

(a)

are approved by the manufacturer for use in such a location; and

(b)

are installed in accordance with the manufacturer's instructions.

Penalty: $1000.

8.            By-law 8.0 amended

By-law 8.0 (comprising by-laws 8.1 to 8.9) is amended by repealing all of its provisions other than by-law 8.1.4.4.

9.            By-law 9.0 repealed

By-law 9.0 (comprising by-laws 9.1 to 9.12) is repealed.

10.          By-law 10.0 repealed

By-law 10.0 (comprising by-laws 10.1 and 10.2) is repealed.

11.          By-law 11.0 amended

By-law 11.0 (comprising by-laws 11.1 to 11.5) is amended as follows:

(a) in by-law 11.2 by repealing by-laws 11.2.2 and 11.2.3;
(b) by repealing by-laws 11.3, 11.4 and 11.5.
25 August 19981 GOVERNMENT GAZETTE, WA 4731

12.          By-law 13.0 amended

By-law 13.0 (comprising by-laws 13.1 and 13.2) is amended as follows:

(a) by repealing all of by-law 13.1 other than by-law 13.1.4(c);
(b) by repealing by-law 13.2.

13.          By-law 14.0 amended

By-law 14.0 (comprising by-laws 14.1 to 14.6) is amended by
repealing all of its provisions other than by-laws 14.2.1, 14.2.2,
14.2.3 and 14.4.2.3.

14.          By-law 15.0 amended

By-law 15.0 (comprising by-laws 15.1 to 15.5 and 15.8 to 15.9) is amended as follows:

(a) in by-law 15.1—

(i)     by deleting paragraphs (a) to (e);

(ii)     by deleting the semicolon at the end of paragraph (f) and inserting a full stop; and

(iii)     by deleting paragraphs (g) to (r);

(b) by repealing by-law 15.5.

15.         By-law 16.0 replaced

By-law 16.0 (comprising by-laws 16.1 and 16.2) is repealed and the following by-law is inserted instead -

66

16.0 SANITARY AND DRAINAGE PLUMBING

16.1 A person who carries out sanitary plumbing or drainage

plumbing shall ensure that the plumbing is carried out

in accordance with the requirements of—

(a)

the provisions of AS/NZS 3500.2.2:1996 specified in the first column of the Table to this by-law, subject to any modification of those provisions specified in the second column of that Table; and

(b)

by-laws 18.2, 18.3, 18.20, 18.23.2, 19.3, 25.7 and 26.4.8.

Penalty: $2 000.

Table

Provision Modification

AS/NZS 3500.2.2:1996

Section 1 (clause 1.4)

Section 3 (other than clauses 3.6. Clause 3.14 to be read as if
3.15.4 and 3.17) paragraph (a) were omitted.
4732 GOVERNMENT GAZETTE, WA [25 August 1998

Clause 3.14(b) to be read as if
"other authorized materials"

were replaced with -

66

authorized materials
(including mortar jointed
vitrified clay pipes) ".

Clause 3.15 to be read as if clause 3.15.1 were omitted. Clause 3.15.2 to be read as if—

(a) the passage beginning "At
least one" and ending
"normally contain
chemicals." were omitted;
and
(b) "The dump point" were
replaced with -
"

Where soil waste dump points are provided for a caravan park, they ".

Clause 3.15.3 to be read as if "sullage connection points", were replaced with -

66

sullage dump points ".

Section 4 Clause 4.4.3.1 to be read as if
paragraph (d) were omitted.
Clause 4.6.2 to be read as if
paragraph (b) were omitted.
Clause 4.6.2(d) to be read as if
after "surcharge" the following
were inserted -
66

and for external locations

the grating shall be of a
loose, lightweight domed, pop-out type ".

Table 4.3 to be read as if—

(a)

in the first column "Floor were replaced with -

66  

Floor waste gully or
shower (not fitted with a
hob)
(b)

"Floor waste gully or
shower (not fitted with a

in the first column below inserted -

66  

Shower (fitted with a
hob)
25 August 19981 GOVERNMENT GAZETTE, WA 4733

and

(c) in the second column
below "Top surface level
of the grate" the following
were inserted -

66  

Overflow level of the
hob

Clause 4.7.3(b) to be read as if
after "Clause 4.8" the

following were inserted -

16

(other than clauses 4.8.4.3
and 4.8.4.7)

Clause 4.10 to be read as if paragraph (a) were omitted.

Section 5 Section 6 Section 7 Section 8 Section 9 (other than clauses 9.2,

Clause 9.3 to be read as if

9.6, 9.9 and 9.10) paragraphs (a), (b), (d), (e)
and (g) were omitted.

Clause 9.4 to be read as if clauses 9.4.3, 9.4.4 and 9.4.5 were omitted.

Section 10 (other than
clauses 10.9 and 10.11)
Section 11 (other than Clause 11.l8tobe read asif
clauses 11.2, 11.7, 11.14, 11.16, clauses 11.18.2 and 11.18.3
11.21, 11.27) were omitted.

Clause 11.20 to be read as if clause 11.20.1 were omitted.

Clause 11.23 to be read as if "The" were replaced with -

Where required by the
Corporation, the

Clause 11.26.2.1 to be read as if paragraph (c) were omitted.

Clause 11.26.3 to be read as if after "DN 50" the following were inserted -

66

and shall not discharge
through a grease
arrestor

4734 GOVERNMENT GAZETTE, WA [25 August 1998

16.2 A person who carries out sanitary plumbing or drainage

plumbing shall ensure that the design operating
conditions of pipes and other fittings, as specified by
the manufacturer, are not exceeded.
Penalty: $1000.

16.          By-law 17.0 repealed

By-law 17.0 (comprising by-laws 17.1, 17.2 and 17.4) is repealed.

17.         By-law 18.0 amended

By-law 18.0 (comprising by-laws 18.1 to 18.25) is amended as follows:

(a) by repealing all of its provisions other than by-laws 18.2, 18.3, 18.20 and 18.23.2;
(b) by deleting by-law 18.2(a) and inserting the following paragraph instead -

66

(a)

discharged to the sewer, the air-conditioning
plant shall discharge in accordance with the
requirements for instrument sterilizers and

Where air-conditioning plant waste is to be AS/NZS 3500.2.2:1996.

18.         By-law 19.0 amended

By-law 19.0 (comprising by-laws 19.1 to 19.8) is amended as follows:

(a) by repealing all of its provisions other than by-law 19.3;
(b) in by-law 19.3 by repealing by-law 19.3.3.

19.         By-laws 20.0, 21.0, 22.0, 23.0 and 24.0 repealed

By-laws 20.0 (comprising by-laws 20.1 to 20.11), 21.0
by-laws 22.1 to 22.5), 23.0 (comprising by-laws 23.1 to 23.6)
and 24.0 (comprising by-laws 24.1 to 24.10) are repealed.

(comprising by-laws 21.1 to 21.6), 22.0 (comprising

20.         By-law 25.0 amended

By-law 25.0 (comprising by-laws 25.1 to 25.15) is amended by repealing all of its provisions other than by-law 25.7.

21.         By-law 26.0 amended

By-law 26.0 (comprising by-laws 26.1 to 26.4) is amended as follows:

(a) by repealing all of its provisions other than by-law 26.4.8;
(b) in by-law 26.4.8 by deleting paragraphs (a), (b) and (e).

22.         By-law 28.6 amended

By-law 28.6 is amended by deleting by-law 28.6.2(a)(ii).

25 August 1998] GOVERNMENT GAZETTE, WA 4735

23.     By-law 28.9 amended

By-law 28.9 is amended in by-law 28.9.3 as follows:

(a) by inserting before "The combined pipe system" the

following by-law designation —

" 28.9.3.1 "; and
(b) by inserting after paragraph (d) the following —

44

28.9.3.2 In by-law 28.9.3.1 —

"combined waste pipe" means any pipe which

receives the discharges from both soil and waste
fixtures and conveys those discharges to the

property sewer.

KIM HAMES, Minister for Water Resources

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