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AS 3780:2023


The storage and handling of corrosive substances

AS 3780:2023 sets out requirements and recommendations for the safe storage and handling of corrosive substances, i.e. substances that meet the Class 8 classification criteria of the ADG Code
Published: 26/05/2023
Pages: 67
Table of contents
Cited references
Content history
Table of contents
About this publication
1 Scope and general
1.1 Scope
1.2 Exclusions
1.3 Application
1.4 Normative references
1.5 Terms and definitions
1.6 Application of sections
1.7 Placarding, signage, marking and labelling of containers, equipment, installations and storage areas
2 Minor storage
2.1 Scope of section
2.2 Criteria for classification as minor storage
2.3 Precautions for minor storage
3 Transit storage
3.1 Scope of section
3.2 Delineation of transit storage areas
3.3 Requirements for transit storage
4 Loading and unloading areas
4.1 Scope of section
4.2 Specifications for loading and unloading areas
5 Storage and handling of packages
5.1 Scope of section
5.2 Types of package stores
5.3 Location, separation and segregation
5.3.1 Corrosive substances having subsidiary hazard
5.3.2 Separation of stores from protected places
5.3.3 Segregation of corrosive substances
5.4 General requirements for package stores
5.5 Requirements for package filling operations
5.6 Requirements specifically for indoor storage cabinets
5.6.1 Application of clause
5.6.2 Types of substances kept
5.6.3 Maximum quantities to be kept
5.6.4 Cabinet design
5.6.5 Materials of cabinet construction
5.6.6 Cabinet location
5.6.7 Cabinet marking
6 Storage and handling in tanks
6.1 Scope of section
6.2 Tank types
6.3 Location of tanks
6.3.1 General
6.3.2 Separation Corrosive substances having subsidiary hazards Separation distances Measurement of separation distances
6.3.3 Segregation Measurement of segregation distances
6.4 Bunds and compounds
6.4.1 General
6.4.2 Capacity of compounds
6.4.3 Design and construction
6.4.4 Compound drainage
6.4.5 Maintenance
6.5 Design and construction requirements applicable to all tanks
6.5.1 Protection against corrosion
6.5.2 Foundation
6.5.3 Supports
6.5.4 Bearing area
6.5.5 Vents
6.5.6 Liquid lines
6.5.7 Transfer points
6.5.8 Ancillary equipment for tanks Pipes and flexible hoses Accessories Fittings and couplings Transfer systems Heating of tanks Electrical equipment
6.6 Additional requirements for portable tanks
6.7 Additional requirements for fixed tanks
6.7.1 General
6.7.2 Materials of construction General Design to accommodate loss of material
6.7.3 Tank design and construction
6.7.4 Tank lining
6.7.5 Level indication
6.7.6 Nozzles
6.7.7 Overfill lines
6.7.8 Requirements for tanks with integral secondary containment General Requirements for all tanks having integral secondary containment Additional requirements for double-walled tanks Additional requirements for tanks with integrated compounds
6.7.9 Additional requirements for tanks with external fire-rated covering
6.8 Filling of tanks
6.8.1 General
6.8.2 Filling connections
6.8.3 Transfer hoses
6.8.4 Spillage control for corrosive liquids General requirements Capacity of system
6.9 Spill management and chemical barrier protection
7 Storage and handling of solids
7.1 Scope and application of section
7.2 Container types
7.3 Location of containers
7.3.1 General
7.3.2 Separation Corrosive solids having Subsidiary Hazard Separation distances
7.3.3 Segregation Measurement of segregation distances
7.4 Design and construction requirements applicable containers for solids
7.4.1 Protection against moisture ingress
7.4.2 Protection against corrosion
7.4.3 Foundation, supports and bearing area
7.4.4 Design of silos and hoppers
8 Operational and personnel safety
8.1 Scope of section
8.2 General Precautions
8.2.1 Control of entry
8.2.2 Clear access
8.2.3 Lighting
8.2.4 Ventilation
8.2.5 Safety showers and eyewash stations
8.2.6 Safety information
8.2.7 Checking of safety equipment
8.2.8 Activities within stores
8.2.9 Handling precautions
8.2.10 Site upkeep
8.3 Effluent control
8.4 Construction and maintenance work
8.4.1 General
8.4.2 Management of change
8.4.3 Routine work
8.4.4 Work permit
8.4.5 Preparation of work site and plant
8.4.6 Completion of work and commissioning
8.4.7 Hot work
8.4.8 Work inside a confined space
8.5 Personnel training
8.5.1 Job knowledge
8.5.2 Training
8.5.3 Contractors
8.5.4 Refresher training
8.5.5 Hygiene
8.6 Personal protective equipment
8.6.1 General
8.6.2 Types of personal protective equipment
8.6.3 Care and maintenance of personal protective equipment
8.7 First aid
8.8 Additional requirements for the storage and handling of packages
8.8.1 Suitability of packaging
8.8.2 Marking of packages
8.8.3 Procedures for package stores
8.9 Additional requirements for bulk storage
8.9.1 Bulk storage installations
8.9.2 Inspection of plant and equipment
9 Emergency management
9.1 Scope of section
9.2 Planning for emergencies
9.2.1 Considerations in designing premises
9.2.2 Emergency plan General Review of emergency plan Contents of plan
9.3 Management of leaks and spills
9.3.1 General
9.3.2 Clean-up materials and equipment
9.3.3 Actions for dealing with leaks and spills
10 Fire protection
10.1 Scope of section
10.2 General considerations
10.3 Fire protection measures
10.4 Action in the event of fire
11 Waste storage and disposal
11.1 Scope of section
11.2 Storage of wastes
11.3 Items for disposal
11.3.1 Corrosive substances
11.3.2 Other items
11.4 Pre-disposal treatment of empty containers
11.5 Methods of disposal
Appendix A
A.1 Health hazards
A.2 Environmental hazards
A.3 Other hazards
Appendix B
B.1 General
B.2 Manifest contents
Appendix C
C.1 Different documents with different purposes
C.2 Hazards
C.3 Dangerous goods of Class 8 — corrosive substances
C.4 GHS physical hazard — corrosive to metals
C.5 GHS health hazard — skin corrosion/irritation
C.6 Process for checking differences between Class 8 dangerous goods packing group and GHS categories
C.6.1 Step 1
C.6.2 Step 2
C.6.3 Step 3 (if required)
C.6.4 Step 4 (if required)
C.6.5 Step 5
C.7 Consequence of these differences
C.8 Graphical symbols in labels
C.9 Use of the symbols
C.10 Documents providing emergency plans guidelines
Appendix D
D.1 General
D.2 Transport and storage requirements
D.2.1 Containers
D.2.2 Loaded vehicles and rail wagons
D.3 Sites
D.3.1 Fixed liquid tanks, solids containers and process equipment
D.3.2 Piping
D.3.3 Installations and storage areas
D.3.4 HAZCHEM placard
D.3.5 Additional workplace signage
Cited references in this standard
ACI 313
Design Specification for Concrete Silos and Stacking Tubes for Storing Granular Materials and Commentary
EN 1993-4-1
Eurocode 3: Design of steel structures, Part 4-1 Silos
EN 12573 (all parts)
Welded static non-pressurized thermoplastic tanks
AS/NZS 60079 (all parts)
Explosive atmospheres
Rotationally moulded buried, partially buried and non-buried storage tanks for water and chemicals
Content history
DR AS 3780:2023
Inclusive of GST
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