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9.3.2 Caretaker’s accommodation code

9.3.2.1 Application

(1) This code applies to assessing a material change of use if:
(a) self-assessable or assessable development where this code is an applicable code identified in the assessment criteria column of a table of assessment for a material change of use (section 5.5) or a neighbourhood plan (section 5.9); or
(b) impact assessable development, for caretaker’s accommodation or a use of a similar nature.
(2) When using this code, reference should be made to section 1.5 and section 5.3.3.

Note—Where this code includes performance outcomes or acceptable outcomes that relate to:

Note—Where involving a new premises or an existing premises with an increase in gross floor area, caretaker’s accommodation constitutes part of the primary non-residential use of the site that the caretaker’s accommodation is serving and is to be assessed by the applicable use code, not the Caretaker’s accommodation code.

9.3.2.2 Purpose

(1) The purpose of the Caretaker’s accommodation code is to assess the suitability of development to which this code applies.
(2) The purpose of the code will be achieved through the following overall outcomes:
(a) Development provides an element of security and genuine caretaking of the premises.
(b) Development is ancillary to the primary non-residential use on the site and a small-scale component of the building or premises, subsidiary in size, form and function to the principal non-residential use of the premises.
(c) Development is occupied by direct employees of the principal non-residential use of the premises, and other family or children are only accommodated where their safety, health and wellbeing in relation to potential impacts from the primary uses envisaged in the zone in which the site is located and adjoining, can be assured.
(d) Development is sited and designed to provide acceptable levels of privacy and amenity for residents.

9.3.2.3 Assessment criteria

The following table identifies the assessment criteria for self-assessable and assessable development.

Table 9.3.2.3.A—Criteria for self-assessable and assessable development
Performance outcomes
Acceptable outcomes
PO1
Development is subordinate in function to, and does not compromise the function of, the primary non-residential use of the site.
AO1
Development has:
(a) a maximum gross floor area of 60m2;
(b) a maximum of 1 bedroom;
(c) separate occupant access, independent from access to any non-residential building on the site;
(d) one covered car parking space in addition to and separate from the parking, servicing and manoeuvring areas associated with the primary non-residential use of the site.
PO2
Development is to house a person employed on the site in a caretaker’s role and does not place other residents at risk or exposure to:
(a) noise levels that exceed the noise (planning) criteria in Table 9.3.2.3.B;
(b) air emissions that exceed the air quality criteria in Table 9.3.2.3.C;
(c) odour levels that exceed the odour criteria in Table 9.3.2.3.D; or
(d) health risks that exceed the health risk assessment criteria in Table 9.3.2.3.E.

Note—A noise impact assessment report prepared in accordance with the Noise impact assessment planning scheme policy can assist in demonstrating achievement of this performance outcome.

Note—An air quality impact report prepared in accordance with the Air quality planning scheme policy can assist in demonstrating achievement of this performance outcome.

AO2.1
Development ensures that where in the Low impact industry zone, Industry zone, Special industry zone or Extractive industry zone, caretaker’s accommodation is only occupied by the employees of the primary non-residential use of the site who have responsibilities for the care, control or supervision of the premises.
AO2.2
Development ensures that where in any other zone, caretaker’s accommodation is only occupied by the employees of the primary non-residential use of the site who have responsibilities for the care, control or supervision of the premises, and by immediate family members of that employee.
PO3
Development provides sufficient outdoor private open space for the reasonable recreation and domestic needs of the resident employees.
AO3
Development:
(a) at ground-floor level provides a private open space of at least 30m2 with a minimum dimension of 5m that is screened from other activities on the site; or
(b) located entirely above ground-floor level provides a private open space comprising a balcony or roof area open to the sky, with a minimum area of 8m2 and a minimum dimension of 2m that is directly accessible from a living room.

Editor’s note—For a proposal to be self-assessable, it must meet all the self-assessable acceptable outcomes of this code and any other applicable code. Where it does not meet all self-assessable acceptable outcomes, the proposal becomes assessable development and a development application is required. Where a development application is triggered, only the specific acceptable outcome that the proposal fails to meet needs to be assessed against the corresponding assessable acceptable outcome or performance outcome. Other self-assessable outcomes that are met are not assessed as part of the development application.

Table 9.3.2.3.B—Noise (planning) criteria
Location where the criteria applies inside the caretaker’s accommodation
Adjusted equivalent continuous sound pressure level (LAeq,adj,T) to be achieved during day, evening and night-time periods
Maximum sound pressure level (LAmax) to be achieved during the night-time period
Day 7am–6pm
LAeq,adj,11hr
Evening 6pm–10pm
LAeq,adj,4hr
Night 10pm–7am
LAeq,adj,9hr
Night
10pm–7am
Bedroom
35dB(A)
35dB(A)
30dB(A)
45dB(A)
Other habitable room
35dB(A)
35dB(A)
35dB(A)
-

Note—

Table 9.3.2.3.C—Air quality criteria
Pollutant
Averaging time
Health outcome protected
Criteria including background (µg/m³)
Criteria including background (ppm)
Nitrogen dioxide
1 hour
Health and wellbeing
250
0.12
Annual
Health and wellbeing
62
0.03
Sulfur dioxide
1 hour
Health and wellbeing
570
0.2
24 hours
Health and wellbeing
230
0.08
Annual
Health and wellbeing
57
0.02
Particulate matter (PM) as total suspended particulates (TSP)
Annual
Health and wellbeing
90
-
PM less than 10 µm (PM10)
24 hours
Health and wellbeing
50
-
PM less than 2.5 µm (PM2.5)
24 hours
Health and wellbeing
25
-
Annual
Health and wellbeing
8
-
Carbon monoxide
8 hours
Health and wellbeing
11,000
9
Dust deposition as insoluble solids
Annual
Protecting aesthetic environment
4g/m2/month
-
1,1,1-trichloroethane (methyl chloroform)
1 hour
Health and wellbeing
12,500
2.3
1,1,2-trichloroethane
1 hour
Health and wellbeing
1,000
0.18
1,1-biphenyl
1 hour
Health and wellbeing
24
0.0037
1,2-dichloroethane
24 hours
Health and wellbeing
750
0.17
1,3-butadiene
Annual
Health and wellbeing
2.4
0.001
Acetaldehyde
1 hour
Odour
42
0.023
Acetic acid
1 hour
Odour
270
0.11
Acetone
1 hour
Health and wellbeing
22,000
9.2
Acrolein
1 hour
USEPA extremely toxic
0.42
0.00018
Acrylonitrile
1 hour
USEPA Group B1 carcinogen (probable human carcinogen)
8
0.0037
Alpha chlorinated toluenes and benzoyl chloride
1 hour
IARC Group 1 carcinogen (known human carcinogen)
9
0.0018
Ammonia
1 hour
Health and wellbeing
330
0.46
Antimony and compounds
1 hour
Health and wellbeing
9
-
Arsenic and compounds (as total metal content in PM10)
1 hour
IARC Group 1 carcinogen (known human carcinogen)
0.09
-
Annual
Health and wellbeing
6ng/m³
-
Benzene
Annual
Health and wellbeing
10
0.003
Benzo(a)pyrene (as marker for PAH)
Annual
Health and wellbeing
0.3ng/m³
-
Beryllium and compounds
1 hour
IARC Group 1 carcinogen (known human carcinogen)
0.004
-
Bromochloromethane
1 hour
Health and wellbeing
19,000
3.7
Bromoform (tribromomethane)
1 hour
Health and wellbeing
90
0.009
Bromotrifluoromethane
1 hour
Health and wellbeing
112,000
18
Butyl acrylate
1 hour
Odour
100
0.019
Butyl mercaptan
1 hour
Odour
7
0.002
Cadmium and compounds (as total metal content in PM10)
Annual
Health and wellbeing
5ng/m³
-
Carbon disulfide
1 hour
Odour
183
0.0055
24 hours
Health and wellbeing
110
0.032
Chlorine
1 hour
Health and wellbeing
50
0.018
Chlorine dioxide
1 hour
Health and wellbeing
5.1
0.0018
Chlorobenzene
1 hour
Odour
100
0.023
Chloroform
1 hour
Health and wellbeing
900
0.18
Chromium III compounds
1 hour
Health and wellbeing
9
-
Chromium VI compounds
1 hour
IARC Group 1 carcinogen (known human carcinogen)
0.09
-
Copper dusts and mists
1 hour
Health and wellbeing
18
-
Copper fumes
1 hour
Health and wellbeing
3.7
-
Cumene (isopropyl benzene)
1 hour
Odour
21
0.004
Cyanide (as CN)
1 hour
Health and wellbeing
90
-
Cyclohexane
1 hour
Health and wellbeing
19,000
5
Cyclohexanone
1 hour
Odour
260
0.07
Diacetone alcohol
1 hour
Odour
700
0.15
Dichloromethane (methylene chloride)
24 hours
Health and wellbeing
3,200
0.85
7 days
Health and wellbeing
480
0.13
Diethylamine
1 hour
Odour
30
0.01
Dimethylamine
1 hour
Odour
9
0.0052
Dioxins and furans (as TCDD TEF)
1 hour
IARC Group 1 carcinogen (known human carcinogen)
0.000002
-
Diphenyl ether
1 hour
Odour
80
0.01
Ethanol
1 hour
Odour
2,100
1.1
Ethyl acetate
1 hour
Odour
12,100
3.5
Ethyl acrylate
1 hour
Odour
0.4
0.0001
Ethyl butyl ketone
1 hour
Health and wellbeing
4,200
0.9
Ethyl chloride (chloroethane)
1 hour
Health and wellbeing
48,000
18
Ethylbenzene
1 hour
Health and wellbeing
8,000
1.8
Ethylene oxide
1 hour
IARC Group 1 carcinogen (known human carcinogen)
3.3
0.0018
Formaldehyde
1 hour
Protecting aesthetic environment
96
0.07
24 hours
Health and wellbeing
54
0.04
Hydrogen chloride
1 hour
Health and wellbeing
140
0.09
Hydrogen cyanide
1 hour
USEPA extremely toxic
200
0.18
Hydrogen sulfide
24 hours
Health and wellbeing
160
0.11
1 hour
Odour
6.5
0.0043
Lead and compounds (as total metal content in total suspended particulates)
Annual
Health and wellbeing
0.5
-
Magnesium oxide fumes
1 hour
Health and wellbeing
180
-
Manganese and compounds (as total metal content in PM10)
Annual
Health and wellbeing
0.16
-
MDI (diphenylmethane diisocyanate)
1 hour
USEPA extremely toxic
0.04
-
Mercury inorganic
1 hour
Health and wellbeing
1.8
-
Annual
Health and wellbeing
1.1
-
Mercury organic
1 hour
Health and wellbeing
0.18
-
Methanol
1 hour
Odour
3,000
2.4
Methyl ethyl ketone
1 hour
Odour
3,200
1.1
Methyl isobutyl ketone
1 hour
Odour
230
0.05
Methyl mercaptan
1 hour
Odour
0.46
0.00023
Methyl methacrylate
1 hour
Odour
120
0.027
Methyl styrene
1 hour
Odour
140
0.029
Methylamine
1 hour
Odour
2.7
0.0023
n-Butanol
1 hour
Odour
500
0.16
n-Butyl acetate
1 hour
Odour
1,020
0.21
n-Hexane
1 hour
Health and wellbeing
3,200
0.9
Nickel and compounds (as total metal content in PM10)
Annual
Health and wellbeing
0.02
-
Nitric acid
1 hour
Health and wellbeing
90
0.037
Nitrobenzene
1 hour
Odour
2.6
0.00052
n-Propanol
1 hour
Odour
41
0.016
Pentachlorophenol
1 hour
USEPA extremely toxic
0.9
-
Phenol
1 hour
Odour
20
0.0052
Phosgene
1 hour
USEPA extremely toxic
7
0.0018
Phosphine
1 hour
Odour
3.1
0.0023
Propylene oxide
1 hour
USEPA Group B1 carcinogen (probable human carcinogen)
90
0.037
Pyridine
1 hour
Odour
7
0.0023
Styrene
1 hour
Odour
65
0.014
7 days
Health and wellbeing
280
0.06
Sulfate
24 hours
Health and wellbeing
27
-
Sulfuric acid
1 hour
Health and wellbeing
18
-
TDI (toluene-2,4-diisocyanate; toluene-2,6-diisocyanate)
1 hour
USEPA extremely toxic
0.04
-
Tetrachloroethylene (perchloroethylene)
1 hour
Odour
7,487
1.01
Annual
Health and wellbeing
270
0.036
Toluene
1 hour
Odour
958
0.23
24 hours
Health and wellbeing
4,100
1
Annual
Health and wellbeing
410
0.1
Trichloroethylene
1 hour
IARC Group 2A carcinogen (probable human carcinogen)
500
0.09
Triethylamine
1 hour
Odour
200
0.05
Vanadium and compounds (as total metal content in PM10)
24 hours
Health and wellbeing
1.1
-
Vinyl chloride monomer
24 hours
Health and wellbeing
28
0.01
Vinyl toluene
1 hour
Health and wellbeing
4,400
0.9
Welding fumes (total particulate)
1 hour
Health and wellbeing
90
-
Xylenes (as a total of ortho, meta and para isomers)
24 hours
Health and wellbeing
1,200
0.25
Annual
Health and wellbeing
950
0.2
Zinc chloride fumes
1 hour
Health and wellbeing
18
-
Zinc oxide fumes
1 hour
Health and wellbeing
90
-

Note—

Table 9.3.2.3.D—Odour criteria
Pollutant
Averaging time
Health outcome protected
Criteria (odour units – OU)
Odour
1 hour
Odour
0.5 OU for tall stacks
Odour
1 hour
Odour
2.5 OU for ground-level and wake-affected plumes from short stacks

Note—Odour criteria are to be evaluated using the 99.5th percentile concentration from dispersion modelling.

Table 9.3.2.3.E—Health risk assessment criteria
Risk type
Incremental health risk criteria for development in isolation
Cumulative health risk criteria for development with background sources of pollutants
Lifetime cancer risk
Less than 1 in 1,000,000
Less than 1 in 100,000
Chronic hazard index
Less than 0.5
Less than 1
Acute hazard index
Less than 0.5
Less than 1

Note—

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