IDAS form 22—Major hazard facility
(Sustainable Planning Act 2009 version 3.1 effective 3 August 2015)
This form must be used for development applications for a material change of use for a major hazard facility or
proposed major hazard facility.
You MUST complete ALL questions that are stated to be a mandatory requirement unless otherwise identified on this
form.
For all development applications you must:

complete IDAS form 1—Application details

complete any other forms relevant to your application

provide any mandatory supporting information identified on the forms as being required to accompany your
application.
Attach extra pages if there is insufficient space on this form.
All terms used on this form have the meaning given in the Sustainable Planning Act 2009 (SPA), Sustainable Planning
Regulation 2009, the Work, Health and Safety Act 2011 and Work Health and Safety Regulation 2011. Any reference
to a hazardous material in this form is a material regulated by the Work, Health and Safety Regulation 2001.
Mandatory requirements
1.
What is the nature of the major hazard facility? (Tick all applicable boxes.)
A proposed major hazard facility that is being designed or constructed
An existing facility or other workplace that is to become a major hazard facility due to the introduction of
hazardous chemicals
An existing major hazard facility involving the addition of further hazardous chemicals
2.
What type of development approval is sought?
Development permit
Preliminary approval
3.
Will the facility involve the storage or handling of explosive materials?
No
Yes—complete Table A
Table A—Explosive materials
Chemical or
UN number
substance description
Explosive material
Explosive material
Explosive material
Explosive material
n/s
n/s
n/s
n/s
DG class /
division and any
subsidiary risk
1.1A
1.1
1.2
1.3
PG or type
Threshold
quantity
n/s
n/s
n/s
n/s
1,000kg
5t
20t
20t
Quantity in
facility
Is threshold quantity
exceeded?
(Y / N)
Note: Storage areas of explosives of differing classes are to be classified in accordance with the below:
Division
1.1
1.2
1.3
1.4
1.5
1.6
1.1A
1.1A
1.1A
1.1A
1.1A
1.1A
1.1A
1.1
1.1
1.1
1.1
1.1
1.1
1.1
1.2
1.1
1.2
1.1
1.2
1.1
1.2
1.3
1.1
1.1
1.3
1.3
1.1
1.3
1.4
1.1
1.2
1.3
1.4
1.5
1.6
1.5
1.1
1.1
1.1
1.5
1.5
1.5
1.6
1.1
1.2
1.3
1.6
1.5
1.6
4.
Will the facility involve the storage or handling of flammable gases?
No
Yes—complete Table B
Table B—Flammable gases
Chemical or
UN number
substance description
Hydrogen
Acetylene
Flammable gases not
otherwise specified
5.
1049
1001
n/s
PG or type
Threshold
quantity
n/s
n/s
n/s
>5t
>5t
>20t
Quantity in
facility
Is threshold quantity
exceeded?
(Y / N)
Quantity in
facility
Is threshold quantity
exceeded?
(Y / N)
Will the facility involve the storage or handling of toxic gases?
No
Yes—complete Table C
Table C—Toxic gases
Chemical or substance
description
Ammonia, anhydrous,
liquefied
Ammonia solution >50%
ammonia
Arsine
Chlorine
Ethylene oxide
Formaldehyde >90%
Fluorine
Hydrogen chloride
Hydrogen sulfide
Methyl bromide
Oxides of nitrogen
Phosgene
Sulfur dioxide, liquefied
Any gas not otherwise
specified that meets the ‘very
toxic’ criteria of Table 1 in
notes section below
Any gas not otherwise
specified that exceeds the
‘toxic’ criteria of Table 1 in
Notes section below
6.
DG class /
division and any
subsidiary risk
2.1
2.1
2.1
UN
number
PG or type
Threshold
quantity
1005
DG class /
division and any
subsidiary risk
2.3, 8
n/s
20t
3318
2.3, 8
n/s
20t
2188
1017
1040
n/s
1045
1050 or
2186
1053
1062
n/s
1076
1079
n/s
2.3, 2.1
2.3
2.3, 2.1
2.3, 2.1, 8
2.3, 5.1, 8
2.3, 8
n/s
n/s
n/s
n/s
n/s
n/s
1kg
2.5t
5t
5t
2.5t
25t
2.3, 2.1
2.3
2.3, 5.1, 8
2.3, 8
2.3, 8
2.3
n/s
n/s
n/s
n/s
n/s
n/s
5t
20t
5t
75kg
20t
2t
n/s
2.3
n/s
20t
Will the facility involve the storage or handling of oxidising gases?
No
Yes—complete Table D
IDAS form 22—Major hazard facility
Version 3.1—3 August 2015
Table D—Oxidising gases
Chemical or
UN number
substance description
Oxygen, compressed
Oxygen, refrigerated
liquid
Nitrous oxide
Nitrous oxide,
refrigerated liquid
Compressed and
liquefied oxidising
gases not otherwise
specified
7.
PG or type
Threshold
quantity
1072
1073
DG class /
division and any
subsidiary risk
2.2, 5.1
2.2, 5.1
n/s
n/s
2,00t
2,00t
1070
2201
2.2, 5.1
2.2, 5.1
n/s
n/s
5t
5t
n/s
Any gas with a
class 5.1
primary or
subsidiary risk
n/s
20t
Is threshold quantity
exceeded?
(Y / N)
Quantity in
facility
Is threshold quantity
exceeded?
(Y / N)
Will the facility involve the storage or handling of flammable liquids?
No
Yes—complete Table E
Table E—Flammable liquids
Chemical or
UN number
substance description
Acrylonitrile
Carbon disulfide
Propyleneimine
Propylene oxide
Crude oil with a
boiling point <35oC in
remote locations
Flammable liquids
with a boiling point
<35oC not otherwise
specified
Flammable liquids not
otherwise specified
and kept above their
boiling points at
ambient temperatures
Flammable liquids not
otherwise specified
and react
dangerously with
water / have a 4WE
HAZCHEM code
Flammable liquids not
otherwise specified
8.
Quantity in
facility
1093
1131
1921
1280
n/s
n/s
n/s
DG class /
division and any
subsidiary risk
3, 6.1
3, 6.1
3, 6.1
3
3
PG or type
Threshold
quantity
PGI
PGI
PGI
PGI
PGI
20t
20t
20t
5t
200t
Any liquid with a
class 3 primary
or subsidiary
risk
Any liquid with a
class 3 primary
or subsidiary
risk
PGI
20t
PGII or III
20t
n/s
Any liquid with a
class 3 primary
or subsidiary
risk
PGI, II or III
50t
n/s
Any liquid with a
class 3 primary
or subsidiary
risk
PGII or III
5,000t
Will the facility involve the storage or handling of flammable or self-reactive solids?
No
Yes—complete Table F
Table F—Flammable or self reactive solids
Chemical or
UN number
DG class /
substance description
division and any
subsidiary risk
Acrylonitrile
1093
3, 6.1
Flammable solids
n/s
4.1
PG or type
Threshold
quantity
PGI
PGI, Type B
or C
20t
20t
Quantity in
facility
Is threshold quantity
exceeded?
(Y / N)
IDAS form 22—Major hazard facility
Version 3.1—3 August 2015
9.
Will the facility involve the storage or handling of substances liable to spontaneous reaction with
oxygen?
No
Yes—complete Table G
Table G—Substances liable to spontaneous reaction with oxygen
Chemical or
UN number
DG class /
PG or type
substance description
division and any
subsidiary risk
Substances liable to
n/s
4.2
PGI or II
spontaneous
combustion
10.
Is threshold quantity
exceeded?
(Y / N)
20t
Yes—complete Table H
Table H—Substances that emit flammable gases in contact with water
Chemical or
UN number
DG class /
PG or type
substance description
division and any
subsidiary risk
Substances that in
n/s
4.3
PGI or II
contact with water
emit flammable gases
Threshold
quantity
Quantity in
facility
Is threshold quantity
exceeded?
(Y / N)
Quantity in
facility
Is threshold quantity
exceeded?
(Y / N)
20t
Will the facility involve the storage or handling of oxidising substances?
No
Yes—complete Table I
Table I—Oxidising substances
Chemical or
UN number
substance description
Ammonium nitratebased fertiliser
Ammonium nitrate
Ethyl nitrate
2067
Sodium chlorate
Oxidising substances
not otherwise
specified and listed in
Appendix A of the
ADG Code
Oxidising substances
not otherwise
specified
1495
n/s
12.
Quantity in
facility
Will the facility involve the storage or handling of substances that emit flammable gases in contact with
water?
No
11.
Threshold
quantity
1942
n/s
DG class /
division and any
subsidiary risk
5.1
PG or type
Threshold
quantity
PGIII
500t
5.1
Goods too
dangerous to be
transported by
road and rail
5.1
Goods too
dangerous to be
transported by
road and rail
PGIII
n/s
250t
5t
PGII
n/s
20t
5t
5.1
PGI or II
20t
n/s
Will the facility involve the storage or handling of organic peroxides?
No
Yes—complete Table J
IDAS form 22—Major hazard facility
Version 3.1—3 August 2015
Table J—Organic peroxides
Chemical or
UN number
substance description
Organic peroxides not
otherwise specified
and listed in Appendix
A of the ADG code
Organic peroxides not
otherwise specified
13.
n/s
n/s
PG or type
Threshold
quantity
n/s
5t
PGI, II or III
20t
Quantity in
facility
Is threshold quantity
exceeded?
(Y / N)
Quantity in
facility
Is threshold quantity
exceeded?
(Y / N)
Quantity in
facility
Is threshold quantity
exceeded?
(Y / N)
Will the facility involve the storage or handling of toxic substances?
No
Yes—complete Table K
Table K—Toxic substances
Chemical or
UN number
substance description
Acetone cyanohydrin
Acrolein
Allyl Alcohol
Allylamine
Arsenic pentoxide
Arsenic Trioxide
Dioxins
Ethylene dibromide
Ethyleneimine
Hydrogen cyanide,
stabilised
Hydrogen cyanide,
stabilised, absorbed
into a porous inert
material
Methyl isocyanate
Toluene diisocyanate
Liquids or solids not
otherwise specified
that meet the ‘very
toxic’ criteria of Table
1
Liquids or solids not
otherwise specified
that meet the ‘toxic’
criteria Table 1
14.
DG class /
division and any
subsidiary risk
Goods too
dangerous to be
transported by
road and rail
5.2
PG or type
Threshold
quantity
1541
1092
1098
2334
1559
1561
n/s
1605
1185
1051
DG class /
division and any
subsidiary risk
6.1
6.1, 3
6.1, 3
6.1, 3
6.1
6.1
n/s
6.1
6.1, 3
6.1, 3
PGI
PGI
PGI
PGI
PGI
PGI
n/s
PGI
PGI
PGI
2t
20t
2t
20t
2t
10kg
10kg
5t
5t
2t
1614
6.1
PGI
2t
2480
2078
n/s
6.1, 3
6.1
6.1
PGI
PGII
PGI, II or III
15kg
20t
2t
n/s
6.1
PGI, II or III
20t
Will the facility involve the storage or handling of corrosive substances?
No
Yes—complete Table L
Table L—Corrosive substances
Chemical or
UN number
substance description
Bromine or bromine
solutions
Hydrofluoric acid
solution >50%
Hydrogen fluoride
Sulfuric anhydride /
sulfur trioxide
Sulfur dichloride
Corrosive substances
PG or type
Threshold
quantity
1744
DG class /
division and any
subsidiary risk
8, 6.1
PGI
10t
1790
8, 6.1
PGI or II
5t
1052
1829
8, 6.1
8
PGI
PGI
5t
7.5t
1828
n/s
8
Any substance
PGI
PGI, II or III
100kg
50t
IDAS form 22—Major hazard facility
Version 3.1—3 August 2015
Table L—Corrosive substances
Chemical or
UN number
substance description
not otherwise
specified and react
dangerously with
water / have a 4WE
HAZCHEM code
15.
DG class /
division and any
subsidiary risk
class 8 primary
or subsidiary
risk
PG or type
Threshold
quantity
Quantity in
facility
Is threshold quantity
exceeded?
(Y / N)
Will the facility involve the storage or handling of multiple types of hazardous chemicals listed in
Tables A – L that individually do not exceed the specified threshold quantity, however, do exceed 20% of
the specified threshold? If yes—does the aggregate of each individual hazardous chemical more than
20% of its threshold quantity exceed a total of 1 or 100%?
For example—the threshold quantity for Methyl bromide is 20t and the threshold quantity for Arsenic pentoxide is 2t. A facility with 15t of Methyl
bromide (75% of its threshold quantity) and 1t of Arsenic Pentoxide (50% or its threshold quantity) does not exceed a threshold quantity for each
chemical individually. However, the aggregate fraction of each threshold quantity does exceed 100% which therefore exceeds the threshold quantity
for Table M. The aggregation of any hazardous chemicals less than 20% of their threshold quantity is not required.
No
Yes—complete Table M
Table M—Multiple types of hazardous chemicals at the same facility
Chemical or
UN number
DG class /
PG or type
substance description
division and any
subsidiary risk
Threshold
quantity
Quantity in
facility
Percentage of
threshold quantity
Mandatory supporting information
16.
Confirm that the following mandatory supporting information accompanies this application
Mandatory supporting information
Confirmation of
lodgement
Method of
lodgement
Mandatory supporting information
A description of the nature of the facility, including general site activities,
maximum storage capacities, production and auxiliary processes,
emphasising the sections of the facility involving hazardous materials listed in
the Work Health and Safety Regulation 2011, schedule 15, tables 15.1 and
15.2.
Confirmed
Plans to scale showing the layout of the facility, including:
Confirmed


the location of the systems (storages, tanks, pipelines and vessels)
within the facility containing hazardous materials listed in the Work
Health and Safety Regulation 2011, schedule 15
the location of the system (storages, tanks, pipelines and vessels) within
the facility containing the largest quantity of each hazardous material
listed in the Work Health and Safety Regulation 2011, schedule 15 and
the distance from that system to facility boundaries.
The number of people (including contractors) normally located at the facility
Confirmed
A scaled map of the area, up to one kilometre from the facility, showing the
location of:
Confirmed




residences (dwelling places) and the straight line distances from the
facility to the nearest residences
industrial premises
commercial premises
kindergartens, preschools or schools
IDAS form 22—Major hazard facility
Version 3.1—3 August 2015


sensitive developments where evacuation of occupants is not simple
(e.g. hospitals, aged or infirm person care facilities)
major infrastructure such as airports, railways, major electrical
substations and ports.
A statement addressing the relevant part(s) of the State Development
Assessment Provisions (SDAP).
Confirmed
Not applicable
Notes for completing this form


N/S = not specified
Note: care should be taken of the units of measurements used in table below
Table 1
Description
Very toxic
Toxic
Oral toxicity(1)
LD50 (mg/kg)
LD50 ≤ 5
5 < LD50 ≤ 50 40
Dermal toxicity(2)
LD50 (mg/kg)
LD50 ≤ 40
40 < LD50 ≤ 200
Inhalation toxicity(3)
LC50 (mg/L)
LC50 ≤ 0.5
0.5 < LC50 ≤ 2
Key
(1) in rats
(2) in rats or rabbits
(3) four hours in rats
Privacy—Please refer to your assessment manager, referral agency and/or building certifier for further details on the
use of information recorded in this form.
OFFICE USE ONLY
Date received
Reference numbers
The Sustainable Planning Act 2009 is administered by the Department of Infrastructure, Local Government and
Planning. This form and all other required application materials should be sent to your assessment manager and any
referral agency.
IDAS form 22—Major hazard facility
Version 3.1—3 August 2015